A tree species has one facultative mutualist animal that disperses its seeds. If the animal goes extinct, the most likely consequence for the tree species is mean seedling distance from parent tree.
What do you understand by the term extinct?Extinction is the final phase of a sort of creature or a taxon—typically a species. Although the ability to reproduce and bounce back may have been lost earlier, the death of the last member of the species is typically considered to be the moment of extinction.
What do you mean by seedling?A seedling is a juvenile sporophyte that has emerged from a plant embryo. The germination of the seed initiates the growth of the seedling. The radicle (embryonic root), hypocotyl (embryonic shoot), and cotyledons make up the majority of immature seedlings (seed leaves). The number of seed leaves that make up the two groups of flowering plants (angiosperms) differs: monocotyledons (monocots) have one blade-shaped cotyledon, whereas dicotyledons (dicots) have two round cotyledons. Gymnosperms have a wider range. Some blooming plant seedlings lack any cotyledons at all. They are described as acotyledons.
Thus from above conclusion we can say that a tree species has one facultative mutualist animal that disperses its seeds. If the animal goes extinct, the most likely consequence for the tree species is mean seedling distance from parent tree.
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Based on your knowledge of microbial genetics and microbial pathogenesis, where do you think the genetic information for endotoxins are located?.
The genetic information for endotoxins are located in the chromosomes.
Endotoxins are the type of toxins present inside the bacterial cell. They are also called pyrogens and they affect the immune system. The exact location of endotoxins is the cell wall of Gram-negative bacteria. The nature of endotoxins is lipopolysaccharide.
Chromosomes are the compact form of DNA. These are comprised of DNA and histone proteins that are bound together in a highly packed form. The genetic material is transmitted from parent to offspring in this compacted chromosomal form. Each chromosome has two sister chromatids that are joined together at the site called centromere.
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A newly developed insecticide compound steals high-energy electrons from fadh2 and nadh before they can bind to the electron transport chain. Why does this kill insects?.
A newly developed insecticide compound steals high-energy electrons from fadh2 and NADH before they can bind to the electron transport chain. Fermentation pathways will be switched on, supplying insufficient ATP to maintain the insect.
They encompass such chemical substances as hydrogen cyanide, naphthalene, nicotine, and methyl bromide and are used in particular for insect pests of stored products or for fumigating nursery inventory.
Insecticides are chemicals used to bugs. a few insecticides also are to human beings. Many pesticides can purpose poisoning after being swallowed, inhaled, or absorbed thru the pores and skin. signs can also encompass eye tearing, coughing, heart problems, and breathing difficulties.
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what is the function of the radius?
-Science
What are the phases of a stem cell? List them in order.
There are three phases of stem cells mitosis, gene expression, and differentiation.
What are stem cells?Stem cells that are totipotent or omnipotent. programmable stem cells. Multiple-potency stem cells, stem cells with oligopotency, the body's building blocks are stem cells, which are cells that give rise to all other cells with specific roles.
Daughter cells are created when stem cells divide properly in the body or a lab to create additional cells. Most stem cells are found in the bone marrow.
They divide at this stage to produce new blood cells, Once fully developed, blood cells leave the bone marrow and travel into circulation.
Therefore stem cells develop into different cells through differentiation.
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using the information from the graph, which of the following would be the most effective strategy for supporting high bee diversity?
Don't forget to convert from maize to switchgrass and add strips of the prairie to the information from the graph.
This question asks us what issue is the maximum possible to have caused the trade in the range of hen species that happened between years 30 and 60. The growing wide variety of chook habitats is one of the maximum contributing factors to the exchange within the range of bird species.
The common temperature for each month is plotted on the graph with a red dot and the dots are then linked in an easy, red line. Precipitation (mm) is measured by the usage of the numbers at the proper hand aspect of the chart.
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What will happen to the energy and matter in the system if the carbon sink burns?
NEED HELP!!!
Answer:
When these habitats are damaged or destroyed, it is not only their carbon sequestration capacity that is lost. Carbon stored in the habitats can also be released, contibuting to increased levels of greenhouse gases in the atmosphere.
Learn at brainlyThe energy and matter get dissipated in the atmosphere when the carbon sinks burn. This is because in the biological system energy and matter can neither be created nor be destroyed as they may be changed from one form to another.
What is meant by Carbon sink?A carbon sink may be defined as a process through which more carbon is absorbed from the atmosphere than it liberates. It accumulates and stores some carbon-containing chemical compounds for an indefinite period and thereby eliminates carbon dioxide from the atmosphere.
According to the context of this question, a carbon source is anything that releases more carbon into the atmosphere than it absorbs – for example, the burning of fossil fuels or volcanic eruptions, destruction of habitat, etc. All these examples are directly related to carbon sequestration.
Therefore, the energy and matter get dissipated in the atmosphere when the carbon sinks burn.
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Where in the eukaryotic cell would you expect to find transcripts with intron sequences?.
Introns are found in the genes of most organisms and many viruses and can be present in both protein-coding genes and genes that function as RNA (non-coding genes).
protein-coding genes single gene or transcription unit can therefore encode multiple proteins or other gene products, depending on how the exons are joined. In fact, scientists estimate that there may be over 500,000 different human proteins, all encoded by just 20,000 protein-coding genes. According to the standard model, most RNA sequences are derived from protein-coding genes. That is, they way we and are processed into the messenger RNA (mRNA), exported to the cytosol, and then we translated into proteins.
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Why is it called meiosis 1?
Meiosis refers to the initial nuclear division that takes place when gametes are formed.
What is meiosis?
In sexually reproducing organisms, meiosis is a type of cell division that results in a reduction in the number of chromosomes throughout gametes (the sex cells, or egg and sperm). Body (or somatic) cells in humans are diploid, meaning they have two sets of chromosomes (one from each parent).
Each division has six stages, including prophase, prometaphase, metaphase, anaphase, telophase, and cytokinesis.
Meiosis is a type of cell division that results in the production of four gamete cells and a 50% reduction in the number of chromosomes inside the parent cell. To produce egg as well as sperm cells for sexual reproduction, this process is necessary.
Due to the fact that the resulting cells have half as many chromosomes as that of the parent cell, it is also referred to as the reduction division.
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Based on replication proteins, DNA replication in archaea is most similar to that of
a) eukaryotes
b) bacteria
The archaeal DNA replication machinery bears a striking resemblance to that of eukaryotes and is distinctly different from the bacterial apparatus.
How is archaea DNA similar to eukaryotic DNA?Archaea cell membranes are composed of isoprenoid-based glycerol lipids. It does not have murein in its cell wall and its position is replaced by a certain protein. The DNA polymerase enzymes that copy DNA to form RNA are different from bacteria. Proteins in DNA replication are more like eukaryotes than they are homologous bacteria. Another distinctive feature is that Archaea are insensitive to most antibiotics that have the potential to inhibit bacteria or eukaryotes.
The cell wall of Archaea differs from Gram-positive and Gram-negative which are the common types of cell walls of bacteria. Cell walls composed of murein are never found in Archaea. Instead, the cell wall is always composed of layers of S which are protein subunits arranged regularly on the cell surface.
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Which of the following is a reason that argues against clear-cutting a patch of a tropical rainforest ecosystem? (Specify all that apply.)
We have not yet learned about all the species that exist in the ecosystem that could be useful for humans.
It will change the soil microbiome in ways that prevent regrowth.
It may result in the extinction of animals in the food web.
The trees are important for storing carbon.
The reason that argues against clear-cutting a patch of a tropical rainforest ecosystem include the following below:
It will change the soil microbiome in ways that prevent regrowth.It may result in the extinction of animals in the food web.What is an Ecosystem?This is a term which is referred to as the combination of of all the organisms and the physical environment with which they interact.
Clear-cutting a patch of a tropical rainforest ecosystem will lead to a change in the soil microbiome which may prevent regrowth and may lead to extinction of some animals as a result of their habitats being destroyed thereby decreasing their survival rate.
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Mitosis can occur in both haploid and diploid cells, but meiosis cannot occur in haploid cells. Why not?.
Meiosis cannot be generated in a haploid cell because in meiosis a cell division occurs in which genetic material is distributed to two daughter cells, it is necessary that there are homologous chromosomes.
What is meiosis?Meiosis is a type of cell reproduction in which gametes are produced. It is a cell division in which a diploid cell will carry out two consecutive cell divisions in which four haploid cells will be generated, that is, those with a single set of chromosomes.
Therefore, we can confirm that meiosis cannot be generated in a haploid cell because in meiosis a cell division occurs in which genetic material is distributed to two daughter cells, it is necessary that there are homologous chromosomes.
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which statement about coenzymes is false? some enzymes require a coenzyme to carry out their function or activity. a coenzyme attaches to the enzyme to form an active complex. coenzymes are a part of the enzyme structure. all b vitamins function as coenzymes.
Coenzymes are a part of the enzyme structure is the false statement here
A coenzyme is defined as an organic molecule that binds to the active site of a specific enzyme and helps catalyze a reaction. In particular, coenzymes can act as electron carriers in these reactions or transfer between enzymes as functional groups. Coenzymes are organic compounds necessary for the catalytic activity of many enzymes. They are the often vitamins or the derivatives of vitamins. It can act as a catalyst without an enzyme, but it is not as effective as when combined with an enzyme. Examples of the coenzymes: Nicotinamide Adenine Dinucleotide (NAD), the Nicotinamide Adenine the Dinucleotide Phosphate (NADP) and the Flavin Adenine Dinucleotide (FAD)
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what change in membrane potential (depolarization or hyperpolarization) triggers an action potential?
An action potential is produced when the membrane potential depolarizes. An action potential cannot be initiated unless the membrane potential becomes less negative.
What is a membrane?A bilayer of lipid molecules makes up the double sheet that makes up biological membranes. Generally speaking, this structure is known as the phospholipid bilayer. Membrane proteins and sugars are important structural elements of biological membranes, in addition to the many lipid types that are present in them.Small changes in membrane potential known as graded potentials can be either excitatory (which depolarizes the membrane) or inhibitory (hyperpolarize the membrane). It takes a lot of excitatory graded potentials to depolarize the cell body sufficiently to cause an action potential.Sodium channels open as the cell membrane becomes depolarized, causing an influx of sodium ions to further depolarize the membrane. This inward current produces the upstroke of the action potential.To learn more about membrane refer to:
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2. what is the relative proportion of leukocytes in the blood at any given time? how about in the rest of the body fluids and tissues?
White blood leukocytes cell count is an indicator of health. 4,000 to 11,000 per μL of blood is a normal figure, or 1% of total adult blood volume. Blood cell production is then often regulated by the body structures such as the lymph nodes, spleen, liver, and kidneys.
Leukocytes A type of blood cell made in the bone marrow and found in the blood and lymphatic tissue. White blood cells are the part of the body's the immune system. They are help the body to fight infections and the other illnesses. the Leukocytosis means high white blood cell count. This means that you have more white blood cells than normal. Leukocytosis is a normal immune response and is not necessarily a cause for concern. In most cases, this means your body is fighting infection or inflammation.
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tamoxifen is a drug that is used to treat breast cancer. it inhibits the activities of theestrogen receptor in breast epithelial cells, which are the cells that are relevant to breast cancer. one of the concerns that scientists had during the development of tamoxifen as a therapy for breast cancer was that other cell types require estrogen signaling for their function. for example, it is known that cells in bone tissue require estrogen signaling. as a result, there was a concern that use of tamoxifen would lead to bone loss in patients. in reality, however, researchers were surprised to find that tamoxifen actually led to an increase in bone density in breast cancer patients. at the same time, tamoxifen did inhibit the activity of the estrogen receptor in breast epithelial cells in these patients. what is the best explanation for this finding?
Tamoxifen is a hormone inhibitor that works by preventing the body from producing estrogen, a hormone that premenopausal and postmenopausal women have in their bodies.
Tamoxifen competes with other chemicals to bind to the estrogen receptor protein's active site, making it a competitive inhibitor. It thus inhibits the release of estrogen. You went on to say that the process is irreversible because when tamoxifen attaches to the receptor, the protein is irreversibly eliminated.
Tamoxifen is a member of the medication group known as selective estrogen receptor modulators. It generally works by preventing estrogen's effects on breast tissue, which can lead to breast cancer or worsen cases where cancer has already started. Tamoxifen is administered to stop the growth of cancer cells.
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which part of the endocrine system creates chemicals that speed up metabolism? physical assessment
Answer:
The thyroid gland is a butterfly-shaped organ located in the base of your neck. It releases hormones that control metabolism—the way your body uses energy. The thyroid's hormones regulate vital body functions, including: Breathing.
Explanation:
Which factors make sequencing by the sanger chain-termination method possible? select all that apply.
The factors make sequencing by the sanger chain-termination method possible are option C and E: A DNA strand whose 3' end terminates in a dideoxynucleotide cannot be elongated.
Deoxynucleotides having hydroxyl groups at the 3′ position on the deoxyribose ring make up the chain. By joining the phosphate of the incoming nucleotide to the 3′-hydroxyl of the outgoing nucleotide, DNA polymerase adds the following nucleotide. A nucleotide chain cannot continue if it lacks the 3′-hydroxyl, and the chain is broken. A growing DNA strand only gets new nucleotides at the 3' end. This is because the strand elongates only from 5' to 3' end of the chain.
Similar to DNA replication, chain termination sequencing needs deoxynucleotides, a single-stranded DNA template, DNA polymerase, and a primer. These elements are combined during in vitro sequencing operations, and DNA polymerase creates several copies of the original template.
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Which factors make sequencing by the sanger chain-termination method possible? select all that apply.
a. Complementary single-stranded nucleic acid sequences can come together to form a duplex molecule.
b. Single-stranded nucleic acid molecules can be immobilized on certain types of filter paper.
c. A DNA strand whose 3' end terminates in a dideoxynucleotide cannot be elongated.
d. Duplex nucleic acid molecules can be separated by size by means of electrophoresis.
e. New nucleotides are added only to the 3' end of a growing DNA strand.
The cell type that is responsible for maintaining bone once it has been formed is the ______.
a. osteoclast
b. osteoblast
c. chondrocyte
d. osteocyte
e. chondroblast
Answer: Osteoblasts B is the correct answer
Explanation:
Osteoblasts are the bone cells that are primarily responsible for synthesizing bone matrix proteins and minerals during early bone formation in the embryo
please help i’m stuck once again
Answer:
Gringo
Explanation:
Would the Energy-capturing backpack be a good solution for the rescue team? Why or why not?
The Energy-capturing backpack is a good solution for the rescue team.
What is an energy capturing backpack?The energy capturing backpack is made up of a weight attached to the top part of a pendulum, which swings back and forth as a person walks, and the weight adds momentum. And the bottom part of the pendulum connects to the energy harvesting module via the springs on either side of the device.
The entire system is housed in a frame that the user can wear like a traditional backpack. The energy harvesting backpack is approximately 5kg in weight. The main and very promising advantage of the new energy harvester is that the user does not need to do anything else to generate electricity, such as cranking a handle. Furthermore, the energy imposes no additional physical demands on the wearer beyond the weight of the device itself.
It should be noted that this is important for those who are involved in rescue activities as it gives them the needed energy and is lighter as well.
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Mitosis can occur in both haploid and diploid cells, but meiosis cannot occur in haploid cells. Why not?.
Meiosis can not occur in haploid cell because the chromosome number gets halved in meiosis.
What is mitosis?Mitosis is a stage of the cell cycle during which replicated chromosomes are separated into two new nuclei. Mitosis results in the formation of genetically identical cells with the same number of chromosomes. As a result, mitosis is also referred to as equational division.
Mitosis can occur in a haploid cell because the cell remains haploid at the end of mitosis. The haploid cell will have half the haploid number of chromosomes at the end of meiosis. Meiosis is a process that occurs in germline cells that produce gametes (sperm and eggs).
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when an individual has an energy surplus, he or she stores the extra energy as?
Glycogen and fat stores are used up first during famine in humans and other animals, then protein. When someone has more energy than they need, the additional energy is stored as carbs.
Keep in mind that extra energy that the body possesses can be stored as fat. Theoretically, since a pound of fat is equal to about 3,500 calories, you could gain about one pound if you consume 3,500 more calories than your body requires. Duodenum The first section of the small intestine that the stomach feeds into is the duodenum. A 10-inch-long, small chute, it descends and forms a around the pancreas before joining the remainder of the coiling intestines. "C" shape
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An organism’s traits are determined by the specific combination of inherited _____.
The precise mix of inherited genes determines the particular trait of an organism.
What factors determine an organism's characteristics?Traits may be influenced by genes, the environment, or a mixture of the two. Eye colour is an example of a qualitative feature that may also be quantified (such as height or blood pressure). A specific attribute is part of an individual's overall phenotype.
What characteristics of organisms are influenced by a certain inheritance pattern?The genotype of an organism within a single organism is the particular set of alleles for that gene, and (as was already mentioned) the physical characteristic linked to that genotype is referred to as the organism's phenotype.
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If someone is uncomfortable identifying with the gender normally associated with their biological sex, then he could be classified as experiencing ________.
homosexuality
bisexuality
heterosexuality
gender dysphoria
If someone is uncomfortable identifying with the gender normally associated with their biological sex, then the person could be classified as experiencing gender dysphoria.
Gender dysphoria is the mental state of an individual where he or she feels uneasy or discomfort in accepting or even understanding the mismatch between their biological sex and their gender identity. This discomfort can cause other symptoms like stress, anxiety, depression, etc.
Anxiety is the psychological condition where the person feels restless and uneasy due to some reason that may not actually be very worrying. The other conditions accompanying anxiety are: Fast heart rate, rapid breathing, sweating, etc.
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Can someone find all of the amino acid structures in the chain pictured at the top right please this is urgent.
The amino acids present in the peptide structure are:
leucinecysteinetyrosine, andglutamic acidWhat are amino acids?Amino acids are organic compounds that form the building blocks of the macromolecular structures called proteins.
Amino acids are liked to each other by peptide bonds to form the primary structure of proteins.
Peptide bonds are formed between the carboxy-terminal of one amino acid and the N-terminal of another amino acid. A water molecule is removed when peptide bonds are formed between two amino acids.
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LOOKING CLOSER
3. Compare Examine the
molecules in this figure and
those in the figure above.
Where did the oxygen and
hydrogen atoms in H₂O
come from?
Carbon and Hydrogen atoms share an electron pair, forming covalent bonds special properties of carbon is ability to form double and triple bonds.
What is molecule example?A molecule is the smallest unit of any material that is composed of one or more elements and is capable of existing independently while maintaining all of the substance's physical and chemical properties. Further atom division occurs within molecules.For instance, each atoms the particle of oxygen are represented by the letters Oh and Water vapour, together.
How a molecule is formed?When ionic compounds come together and form bonds with one another, a molecule is created. Each atom shares an electron when a bond is formed between them. A molecule is created as a result of a covalent bond.
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the major cation in extracellular fluid is
Answer:
Sodium is the major cation found in intracellular fluid.
You have a new lens with a power of 60x and are excited to look at bacterial cells under one of our microscopes with this new lens. You screw it onto the nosepiece and look through the eyepiece, what is the total magnification of the bacterial cells?.
The total magnification of the bacterial cells when the power of the new lens is 60x is 600x.
Power of eyepiece × power of the objective lenses =The total magnification
10X × 60X=600X
Normally the eyepiece magnification power is given as 10x . The common ocular magnifies ten times, marked as 10x. The standard objective lenses magnify 4x, 10x and 40x. If the microscope has a fourth objective lens, the magnification will most likely be 100x but for our case, I have worked with 10x. Therefore the total magnification will be 600x for the bacterial cells, looking at bacterial cells under one of our microscopes with this new lens.
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Which of the following is true about photosynthesis and cellular respiration?
A. Cellular respiration which occurs in the mitochondrion produces sugar (glucose) and oxygen which
are the reactants in photosynthesis.
B. Photosynthesis which occurs in the chloroplast produces carbon dioxide and sugar (glucose) which
are the reactants in cellular respiration
C. Cellular respiration which occurs in the mitochondrion produces carbon dioxide and sugar (glucose)
which are the reactants in photosynthesis.
D. Photosynthesis which occurs in the chloroplast produces sugar (glucose) and oxygen which are the
reactants in cellular respiration.
Answer:
D. Photosynthesis which occurs in the chloroplast produces sugar(glucose) and oxygen which are the reactants in cellular respiration
which of the following best describes the role of moss in the transition to stage iii of the process? responses it serves as a soil seed bank in the leaf litter. it serves as a soil seed bank in the leaf litter. it breaks down rock and adds organic nutrients to the soil. it breaks down rock and adds organic nutrients to the soil. it provides shade and reduces surface temperatures. it provides shade and reduces surface temperatures. it provides habitat for birds and mammals.
Considering the succession in the ecosystem, the role of moss in the transition to stage iii of the process is that it serves as a soil seed bank in the leaf litter.
The correct option is A.
What is the meaning of succession in an ecosystem?Succession in an ecosystem is the process where the composition of species in an ecosystem changes over a given period of time.
There are two types of succession in an ecosystem;
primary succession, and secondary successionIn the given ecosystem, the role of the moss is to produce structures called protonema. Protonemas are the gametophytes that produce the gametangium which allows the formation of gametes.
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