By true breeding green-seeded plants a particular species of plants can have yellow or green seeds.
What do you mean by true breeding?A true breeding is a form of reproduction in which the parents' offspring have the same phenotype. In other words, both parents have the same genetic makeup. The Aberdeen Angus breed of cattle is an illustration of real breeding. The fact that the cattle have been black for many generations is proof that a trait that has been passed down over many generations is still pure. Another illustration is when two dogs of the same breed mate. As a result, the characteristics of the children would be more predictable.
However, true breeding implies a small gene pool. As a result, there is a high likelihood that a certain trait will be inherited (such as genetic illnesses), which may have a negative impact on the offspring's health.
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write any two different between fission and budding
Two differences between fission and budding include:
The method they are done The definition of both types of asexual reproductionWhat is fission and budding ?Fission involves the division of an entire organism into two or more new individuals, while budding involves the growth of a new individual from the parent organism.
Fission occurs through the division of the entire organism into two or more parts, which then grow into new individuals, while budding occurs through the outgrowth of a small portion of the parent organism.
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since the two strands of the dna molecule are complementary, for any given gene: select all that are correct.
A) Only one strand actually carries the codons for a particular gene.
B) If one strand is mutated, the cell can use the other strand to correct the change (assuming the cell can identify which of the complementary bases was recently modified).
Answer: A and B are Correct
Explanation:
A - The coding strand of DNA is used to match with the correct mRNA codons.
B - There are DNA repair mechanisms that utilize the complimentary strand such as Base Excision Repair and Nucleotide Excision Repair
among the biological influences on learning, drift is the tendency of animals to revert to natural behaviors that interfere with learning.
A. true
B. false
True. the biological influences on learning, drift is the tendency of animals to revert to natural behaviors that interfere with learning.
Instinctual drift is the tendency of some trained animals to revert again to instinctual behaviors. In other phrases, they will behave according to evolutionary contingencies, as opposed to the operant contingencies in their training. these behaviors are frequently needless, and rarely useful.
Instinctual drift, alternately called instinctual float, is the tendency of an animal to revert to unconscious and automated behavior that interferes with learned behavior from operant conditioning.
Operant conditioning, additionally called instrumental conditioning, is a form of associative getting to know in which the effects of behavior change the possibility of the conduct's incidence. fine reinforcement is reinforcing a stimulus following a behavior so that the conduct is much more likely to arise again.
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The nervous tissue outside of the central nervous system composes the ________ nervous system.
The nervous tissue outside of the central nervous system composes the ____peripheral____ nervous system.
What is nervous system?The nervous system receives stimuli, determines their meaning, transmits nerve impulses to active organs, and consists of the brain, spinal cord, nerves, ganglia, and parts of the receptor organs. It is a highly complex part of an animal that coordinates its behavior and sensory information by transmitting signals to and from different parts of the body.
Two main parts of nervous system are:
The central nervous system consists of the brain and spinal cord.The peripheral nervous system consists of nerves that branch off from the spinal cord and reach all parts of the body.To know more about nervous system visit:
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jane's mother had familial adenomatosis polyposis (fap), a colon cancer syndrome caused by mutations in the apc gene. jane has been diagnosed with colon cancer and analysis of the cancer cells indicates that they have the mutated apc gene. jane's colon cancer is most likely:
A deficiency in the adenomas polyposis coli (APC) gene results in the rare, inherited disorder known as familial adenomatous polyposis (FAP).
What causes cancer to develop in the body?Bacteria that divide uncontrollably & invade adjacent tissues are also what cause cancer. DNA changes are the underlying cause of lung cancer. Most DNA mutations that cause disease actually occur in sections of DNA called genes. Genetic alterations are another name for these modifications.
Which tumors are the deadliest?The most common cause of death is lung and bronchus cancer, which is predicted to claim 130,180 lives this year. When compared to colon cancer, which is the second most common type of cancer death, that is almost three times as many deaths. With 49,830 fatalities, pancreatic cancer is indeed the third deadly malignancy.
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Quick help:
A cell enters anaphase before all of its chromosomes have attached to the spindle. This may indicate that the cell is not responding to
(1) internal regulators
(2) mitosis
(3) growth factors
(4) apoptosis
Answer:
(1) internal regularors
7. Which one of the following would be considered a vestigial structure?
(a) remnants of the tailbone in humans (b) a bird beak that is specialized to extract nectar
from flowers (c) the similarity in structure of bones in two different organisms
(d) the similarity in function between a bird wing and a butterfly wing.
Answer:
The answer would be (a) Remnants of the tailbone in humans.
Explanation:
Vestigial structures are cells, tissues, and/or organs that have no apparent function.
Compared to what you know about the methods of disciplines such as mathematics, the natural sciences (e. G. , biology, chemistry), or the social sciences (e. G. , psychology, sociology), what do you think is unique about the methods used to investigate the humanities? if you have any questions for your peers, feel free to include them as part of your response.
We have elaborated on the methods used to investigate the humanities
Subjects like math, natural sciences, and social sciences all are interrelated and coordinate with each other. As these are intensely evaluated, disciples. The uniqueness of these subjects is their strategies of investigation as a science deals with both qualitative and quantitative phenomena and humanities deals with viewpoints of society and culture. Similarly, the viewpoints of natural science are related to the thinking about the human and population-related wonder that is associated with natural settings. All have their ways of centering on the cause and impact relation. Hence they draw and determine the frame of society, economy, and interaction of ecosystems.
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The methods of investigation for the Humanities are very different from those of other sciences.
In the case of natural sciences, scholars have to study inanimate objects more. Their studies are focused on the why and how of the world around us. They research life processes, and mechanisms of certain objects and why these are the way they are.
Social Sciences/the Humanities are very different in these regards. These focus on the human mind and emotions. While natural sciences talks to us about how bridges are made, social sciences tell us why these are important for us humans and how they help us. It is what is unique in their methods. They observe human behavior and then decide what is to be done.
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During photosynthesis, the energy used to pump protons comes from ___________, whereas in cellular respiration it comes from _____________.
Answer:
La matriz
membrana mitocondrial
Explanation:
what is the importance of the four u nucleotides in the mrna transcript during the process of termination of transcription?
When U binds extremely weakly with A, the four u nucleotide in the mrna transcript play a crucial role in the termination of transcription because this causes the stopped RNA polymerase to separate from the DNA.
What do you mean when you say "nucleotides"?A phosphate as well as a nucleoside make up the chemical molecules known as nucleotides. They function are monomeric units of a deoxyribonucleic acid & ribonucleic acid polymers, which are both crucial macromolecules for all kinds of life on Earth. Nucleotides can be consumed in addition to being synthesized by liver from common nutrients. The nucleobase, a five-carbon sugars (ribose or deoxyribose), or a phosphate group made up of one to three phosphates are the three component molecules that make up a nucleotide. Guanine, adenine, cytosine, and thymine are the four nucleobases found in DNA; uracil is often used in place of thymine in RNA.
What are the 5 major nucleotides and why nucleotides are so important ?The initial letter of each of the five bases found in nucleotides—adenine, guanine, cytosine, thymine, and uracil—is frequently used to denote that base in a nucleotide. RNA contains the letters А, G, C, & T while DNA has the letters A, G, C, & U. Because nucleotides seem to be the basic building block of nucleic acids, which are the molecules that regulate all genetic features, they are crucial to living organisms.
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which technology has been commonly utilized by scientists to manipulate heritable information by producing large amounts of identical recombinant dna molecules? gel electrophoresis gene cloning artificial selection restrictive enzyme analysis
The technology that has been commonly utilized by scientists to manipulate heritable information by producing large amounts of identical recombinant DNA molecules is gene cloning.
Gene cloning is the process by which we insert a section of DNA into a cell and then let the cell undergo mitosis, creating copies of that genetic information. Gene cloning is different from organism cloning, which uses an organism's DNA to produce a genetically identical organism because it only produces cells, not an entire organism.
Cloning of any DNA fragment involves four steps in the traditional restriction enzyme digestion and ligation cloning protocols: isolation of the desired DNA (or target DNA ), ligation, transfection, or transformation.
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there is an immediate energetic advantage to muscle in using its own glycogen stores in glycolysis rather than glucose from the bloodstream. why?
Glycogen is broken down by phosphorolysis and this reduces the number of ATP molecules that must be invested in the hexoses stage of glycolysis.
What is Glycogen ?Glycogen is a stored form of glucose composed of many linked glucose molecules. Glucose is the primary source of energy in your body. It is derived from carbohydrates found in certain foods and fluids.Glycogen is a multibranched polysaccharide of glucose that acts as an energy storage system in animals, fungi, and bacteria. The polysaccharide structure is the primary form of glucose storage in the body.Glycogen is one of two types of energy reserves, the other being triglyceride stores in adipose tissue, which are used for long-term storage. In humans, glycogen is primarily produced and stored in liver and skeletal muscle cells. Glycogen can account for 5-6% of the fresh weight of the liver, and an adult liver weighing 1.5 kg can store approximately 100-120 grammes of glycogen. Glycogen is found in low concentrations in skeletal muscle, and an adult weighing 70 kg stores approximately 400 grammes of glycogen.To learn more about Glycogen refer :
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What best describes this mutation and its effect on the protein that the gene produces?
A. It is a missense mutation that changes exactly one amino acid.
OB. It is a nonsense mutation that has no effect on the protein.
OC. It is a frameshift mutation that changes many amino acids.
OD. It is a frameshift mutation that changes exactly one amino acid.
It is a missense mutation that changes exactly one amino acid. best describes this mutation and its effect on the protein that the gene produces.
A missense mutation is a DNA alteration that causes the protein produced to encode a different amino acid at a specific location. Some missense mutations change how the resulting protein functions.
A missense mutation is a change in the DNA that causes a different amino acid to be included in the protein's structure. Adenine, cytosine, guanine, and thymine are the four nucleotides that make up DNA's two strands on a molecular level (i.e., A, C, G, and T, respectively).
RNA polymerase, an enzyme, converts DNA into messenger RNA (mRNA) before it can be translated into a protein.
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______ dna is dna that has been cut and spliced together from multiple organisms.
Recombinant DNA is dna that has been cut and spliced together from multiple organisms.
DNA fragments are broken and recombined during the recombination process to create novel allele combinations. The genetic diversity that results from this recombination process at the gene level reflects variations in the DNA sequences of various organisms.
Recombination happens when two DNA molecules trade genetic material with one another. When homologous chromosomes align in pairs and exchange DNA segments during prophase I of meiosis, one of the most notable instances of recombination occurs.
In living things, at least four varieties of spontaneously occurring recombination have been identified: Site-specific recombination, general or homologous recombination, illicit or nonhomologous recombination, and replicative recombination are the four types of recombination.
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Do some research on Thomas Edison Automatic Telegraph.
Thomas Edison's Automatic Telegraph has indents that record message which could be transmitted without needing an operator to several stations.
Did Thomas Edison invent the automatic telegraph?Thomas Edison takes operating a telegraph machine. While Samuel Morse's invention of the telegraph in the 1830s and 1840s make it possible for the first time to interface over long distances, the device had its drawbacks. Edison worked on automatic telegraphs linking 1870 and 1874. He first developed an upgrade perforator with a keyboard similar to that of a typewriter that operated at about 35 words per minute. Edison's inquiry into the telephone and the telegraph led to his invention of the phonograph in 1877.
So we can conclude that The automatic telegraph, which recorded messages by means of a reaction caused by electrical transmissions.
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What is the most important reason a cell would have translational control over the regulation of gene expression?.
At the translational level, protein synthesis can be turned on and off quickly to respond to the needs of the cell.
Transcriptional regulation is important to allow a cell or organism to respond to various intracellular and extracellular signals, define a cell's identity during development, maintain it throughout its life span, and coordinate cellular activities. biological process. Translational regulation of mRNA is a critical step in the regulation of gene expression.
In general, the efficiency of the translational apparatus can be affected, either positively or negatively, by altering the levels or activities of rate-limiting protein factors involved in the translation process. These controls are important for the regulation of many genes in human tissues. It also plays an important role in cellular physiology due to its involvement in disease states such as cancer and neurodegenerative diseases.
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The site within a chromosome where dna replication begins is known as the of replication.
At specific sites, referred to as origins, wherever DNA replication starts, the double helix of DNA unwinds.
What transpires when DNA replication occurs?Through process of DNA replication, the double DNA molecule is reproduced to produce two identical genetic molecules. Replication is a vital process because every when a cell divides, the two additional clones must share the very same genetic information, or DNA, as the parent cell.
What part of the cell does DNA replication occur in?DNA replication occurs in the nuclei of eukaryotic cells and the nucleoid sections of prokaryotic cells. Eukaryotic cells, which have a nucleus and organelles that are bound to membranes, include animal and plant cells. Eukaryotic cells contain their DNA in their nuclei.
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edema appears when there is a severe lack of dietary protein because multiple choice the kidneys are unable to concentrate urine. blood protein levels fall and fluid shifts into extracellular spaces. the blood vessels become more permeable to ions. sodium is retained in the body. prevquestion 16 of 25 total
When there is a significant protein deficiency in the diet, blood protein levels drop, and fluid moves to the tissues, resulting in edema.
What is Edema?Edema is swelling brought on by extra fluid that gets caught in your body's tissues. Although edema can occur anywhere in the body, it is frequently brought on by congestive heart failure or a vein blockage in the leg.
Edema can be brought on by pregnancy, infections, adverse drug reactions, and a variety of other medical disorders. Your body's small blood vessels may leak fluid into nearby tissues, leading to edema. The accumulating extra fluid causes the tissue to expand. Anywhere in the body might be a possible place.
Edema comes in different forms. Peripheral edema affects the hands, arms, legs, feet, and ankles. Pulmonary edema is the result of an accumulation of extra fluid in the lungs, which makes breathing challenging. Cerebral edema, this affects the brain. A major side effect of diabetic retinopathy is macular edema.
Edema treatment consists of the following elements:
Treatment of the underlying condition (if feasible), a diet low in salt and sodium, and usually the use of a medication known as a diuretic to eliminate surplus fluid are all advised. Wearing compression stockings and elevating the legs are other recommendations. Dropping blood protein levels cause a shift of fluid to the tissues.
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explain eutrophication using Florida red tide as an example
The process of eutrophication involves the gradual enrichment of a body of water, or portions of it, with minerals and nutrients, especially nitrogen and phosphorus. The phrase "nutrient-induced increase in phytoplankton production" has also been used to describe it.
A process known as eutrophication is brought on by an excess of nutrients, typically nitrogen and phosphorus, in water. Algae thrive, spread, and colour the water green as a result of feeding on the nutrients. Algae blooms may have an unpleasant odour, restrict sunlight, and in some circumstances even produce poisons.
Red tide is a phenomena brought on by algal blooms, in which the number of algae increases to the point that they colour coastal waterways.
In Florida, eutrophication is a major problem. There are a number of issues brought on by this occurrence that you may have heard about in the news, including fish fatalities, blue-green algae blooms, and dead zones.
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Which of the following examples includes only chemical changes that occur in the digestive process?
Question 11 options:
Absorption of nutrients by villi in the small intestines
Recycling of water from dissolved food back into the body
Reaction of saliva, stomach acid, bile, and pancreatic juices with food
Chewing and swallowing food
Answer:
Absorption of nutrients by villi in the small intestines
Reaction of saliva, stomach acid,bile and pancreatic juices with food
Breaking the side bonds of the _____ makes it possible to change the natural wave pattern of the hair.
Breaking the side bonds of the cotex makes it possible to change the natural wave pattern of the hair.
Immediately below the cuticle layer, in the middle layer of such hair. Human hair has extraordinary strength as well as elasticity thanks to the cortex. The natural wave pattern of such hair can be altered by severing the side connections of the cortex.
These polypeptide chains are joined together by side bonds including disulfide, hydrogen, as well as salt bonds. The side connections that hold the hair strands in place give hair its elasticity and strength. A hydrogen bond seems to be a type of physical side connection that is easily destroyed by water or heat.
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If a is dominant to a and b is dominant to b, what is the expected phenotypic ratio of the cross aabb × aabb?.
A dihybrid heterozygous cross will always have a 9:3:3:1 phenotypic ratio for autosomal characteristics. Nine offspring will exhibit both dominating characteristics.
What does phenotypic mean?
An observable characteristic is simply referred to as a "phenotype." Pheno, which has the same root as the term "phenomenon," simply means "observe." It can therefore refer to anything ranging from a common attribute, like size or hair color, to the absence or presence of a disease. It is also a detectable type of an organism.
How is phenotypic determination made?In order to calculate a phenotypic ratio, we look at alleles that are similar to the chosen parents and anticipate how often the offspring would manifest those genes. Most of the time, you are aware of how the alleles express themselves and look.
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Which of the choices is/are secretions produced by the pancreas? select all that apply.
a. bicarbonate ions to neutralize stomach acid
b. lipase for fat digestion
c. trypsin for further protein digestion
Trypsin to further breakdown proteins Lipase is used to breakdown fat. gastric acid can be neutralised by bicarbonate ions. i.e., option (c).
Secretin stimulates the pancreas to secrete bicarbonate ions to neutralize belly pH. The pancreas secretes lipase and gastric amylase to interrupt down fat and carbohydrates respectively. The pancreas secretes trypsin in an inactive shape referred to as trypsinogen to interrupt down proteins however keep away from digesting itself. Trypsin is an enzyme that facilitates us digest protein. In the small intestine, trypsin breaks down proteins, persevering with the manner of digestion that started out withinside the belly. It can also be called a proteolytic enzyme, or proteinase.
Trypsin is produced via way of means of the pancreas in an inactive shape known as trypsinogen. Lipase is an enzyme the frame makes use of to interrupt down fat in meals so that they may be absorbed withinside the intestines. Lipase is produced withinside the pancreas, mouth, and belly. Lipase facilitates hold your triglycerides at a wholesome stage via way of means of breaking them down into smaller molecules, which the frame then makes use of for energy. Studies have proven that a few humans with digestive troubles may additionally advantage from supplemental lipase, specially in the event that they have issues with their pancreas.
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6. As long as these pores are open, there will be an opportunity for a free exchange of gases between the
external atmosphere and the internal atmosphere of the leaf. Which gases will pass through the
stomata? In which direction will they be moving?
The guard cells get sluggish (swollen with water). The stomata are opened, allowing water loss (and gas exchange).
What is the role of stomata exchange of gases?The plant's potassium pumps stop working in the dark, and potassium ions diffuse back out of the guard cells, causing the plant to become less turgid and the stomata to close.
The majority of the gases that plants require come from their leaves. In plants, stomata serve as the primary sites for gas exchange.
Therefore, These pores, which are often on the underside of the leaf, allow the gases to pass into the intercellular spaces of the leaf.
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2 ways of reforesting the U.S
Answer: donate money to team tree, even-aged stands
Explanation:
With the modern understanding of chromosomes, alleles, and the process of gamete formation, what is the physical basis for the law of independent assortment?.
The basis of the law of Independent Assortment developed by Mendel is that alleles on non-homologous chromosomes separate randomly into gametes during meiosis.
Mendel's 2nd law is known as the law of independent assortment. Mendel's 2nd law states that "if individuals differ from one another in two or more pairs of traits, a pair of traits will be inherited independently of another pair of traits."
Mendel performed dihybrid crosses or crosses with two different traits to prove this law.
Example:
Crossing a pea plant with round yellow seeds with a pea plant with wrinkled green seeds will produce 100% F1 offspring with round yellow seeds. From this experience, it was concluded that yellow is dominant over wrinkles and green.F1 crossed with each other to produce plants with round yellow seeds, round green, wrinkled yellow, and wrinkled green with a ratio of 9:3:3:1.The same experiment with other different properties and F2 still shows a ratio of 9:3:3:1.Learn more about Mendel's 2nd law here https://brainly.com/question/25710344
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A lemur species called aye-ayes have very long, thin middle fingers that allow them to reach into holes in trees and dig out bugs to eat.
scenario with a natural selection element Sea turtle situation
What does "scenario" mean?A description of potential outcomes, or the plot of a play, movie, or other performance. The very worst scenario is worst possible circumstance: In the worst event, the entire shoreline would be submerged.
Describe scenario using an example.We might relocate to the city, for instance. It is most likely that he returns to school this fall. The ideal situation would be if we could complete the task by tomorrow. The worst-case scenario would require us to restart the project from scratch.
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4. how are receptors and transport proteins similar 5. when a person becomes dehydrated due to loss of fluids and solutes saline solution is infused into the bloodstream by medical personnel why is the saline solution used instead of pure water
Answer: 4. They are similar by their function, receptors act as the receiver and both the sender of information.
Protein channels are needed to transport substances because it accelerates the transport process. Very few substances enter or leave cells without being attached to a transport protein. Different types of substances require different types of proteins to transport them. Protein channels transport water or ions downwards and ATP-powered pumps transport molecules or ions upwards. ATP generates energy to transport the molecules upwards. 5. Pure water would be hypotonic relative to the contents of blood cells and could cause the cells to burst.
Explanation:
according to piaget, when children understand that the amount of a substance remains the same despite changes in its shape they enter____stage.
In the concrete operational stage, according to Piaget, children learn that despite changes in a substance's shape, its volume remains constant.
What takes place in Piaget's preoperational stage?the stage before operations (2–7 years) Children continue to develop abstract thought processes and build on object permanence during this stage. They are thus capable of thinking about things that are not physically present, such as past events.
What would be an illustration of the formal operational stage?A child who needs to draw something or use objects is still in the concrete operational stage, as opposed to a child who can reason out the solution in their head.
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g which one of the following bacteria does not belong with the others? a) bordetella b) burkholderia c) neisseria d) acidithiobacillus e) salmonella
Salmonella is the most different out of the bacteria listed. So, option E is the correct answer.
All listed options are gram-negative bacteria. All are known causes of deadly diseases. Bordetella is part of the family of small coccobacilli of the phylum Pseudomonadota. Burkholderia is a genus of Pseudomonadota which attacks humans. Neisseria is a large genus of bacteria that colonize the mucosal surfaces of many animals. This bacteria is known to spread gonorrhea. Acidithiobacillus is of the Acidithiobacillia in the "Pseudomonadota".
Salmonellosis is found in the intestinal tracts of animals, including birds. Salmonella is usually spread from person to person through shared food, and water. It also spreads through feces.
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