False as Lipid-soluble hormones enter the target cell and diffuse through the plasma membrane where they bind to a receptor protein.
Lipid-insoluble hormones must connect to receptors on the cell surface and send their signals through signal transduction pathways since they are unable to penetrate the plasma membrane and enter the cell.
Water-soluble hormones attach to a protein receptor on the cell's plasma membrane.
The receptor for lipid-soluble hormones is typically found in the cell's cytoplasm or nucleus. The receptor can affect transcription in the nucleus as a result of the hormone binding, either by itself or in combination with other transcription factors.
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the dna-binding proteins of almost all regulatory proteins use one of a small set of shapes that enable them to fit into the dna major groove. these shapes are called multiple choice dna prints. repressors. structural motifs. transcriptional domains. fingerprints.
DNA-binding proteins, almost all regulatory proteins, use one of a small group of shapes that allow them to fit into the major groove of DNA and is called as structural motifs
Structural motifs are short segments of the 3D structure of proteins in which the sequences are spatially contiguous but not necessarily contiguous. Structural motifs may be conserved in many different proteins (10). Their role is structural or functional. In proteins, structural motifs represent connections between secondary structural elements. A single motif usually consists of several elements. B. Only three "Helix-Turn-Helix" motifs. All proteins are composed of basic secondary structural units, either α-helices or β-sheets, determined by hydrogen bonding between amino acids within the peptide chain. At larger scales, structures are formed by combinations of these secondary structures, which can form super-secondary structures called 'motifs'.
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: amino-acyl-trna synthetases attach amino acids to their cognate trnas. about amino-acyl-trna synthetases are usually found in most microbial cells. choose one: a. 20 b. 100 c. 2 d. 50 e. 5
There are generally 20 natural amino synthetases in most microbial cells.
What do cells do, and what are they?Cells are as basic structural components of all living organisms. A human body has many billions of cells. They provide the body with structure, take in nutrients from food, convert that into energy, and carry out certain functions.
What's a cell's structure?The three parts that make it up a cell are the cytoplasm, the nucleus, and also the outer layer. The cytoplasm contains tens of dozens of tiny, distinctive components known as organelles and intricate networks of microscopic fibers.
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liquid produced due aerobic respiration that is one of the 3 major inputs to photosynthesis
Liquid produced due aerobic respiration that is one of the 3 major inputs to photosynthesis are carbon dioxide, water, and sunlight.
Aerobic respiration breaks down glucose and combines the damaged down merchandise with oxygen, making water and carbon dioxide. The carbon dioxide is a waste manufactured from cardio respiratory due to the fact cells do now no longer want it.
Cellular breathing converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- merchandise and ATP is power this is converted from the process.
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Which of the following molecules is broken down in cellular respiration, providing fuel for the cell? A. glucose B. ATP C. water D. O2
Answer: A. Glucose
Explanation:
__________ occurs when a single gene affects the phenotype of many characters in an individual.
A pleiotropic effect occurs when a single gene affects the phenotype of many characters in an individual.
"PLEIOTROPY" is the phenomenon in which a single locus affects two or more seemingly unrelated phenotypic traits, and is frequently identified as a single mutation that affects two or more wild-type traits. Pleiotropy occurs when one gene influences two or more phenotypic traits that appear to be unrelated. A pleiotropic gene is one that exhibits multiple phenotypic expression.
A simple example of a Pleiotropy is the disease phenylketonuria. It is a genetic disorder caused by a lack of phenylalanine metabolism in body cells. Marfan Syndrome is caused by a pleiotropic mutation in a human gene.
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what do Germany people wear in Thanksgiving?
Explanation:
a casual white shirt
........
............
........
not a turket
Can a mature b cell produce an epitope-specific antibody first and then switch to make an antibody against a different epitope?.
Yes, a mature B cell can produce an epitope-specific antibody first and then switch to make an antibody against a different epitope.
Effector B cells can start secreting antibodies when they are still tiny lymphocytes, but the giant plasma cell that forms at the conclusion of their maturation process is able to secrete antibodies at an astounding pace of roughly 2000 molecules per second. B-cells can undergo receptor editing- a process to become antigen-specific and produce antibodies against different epitope with the help of T-cells.
A native or memory B cell multiplies and differentiates into an effector cell that secretes antibodies when it is activated by an antigen (with the help of a helper T cell). Such cells produce and secrete large amounts of soluble antibodies, which have the same specific antigen-binding site as the cell-surface antibodies that previously served as the antigen receptor. And it does the same for producing antibodies against a different antigen epitopes.
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Science Skills
A student prepared two beakers with identical sprigs of a water plant as shown below. She placed one beaker in
the shade and the other beaker beside a fluorescent lamp. She then systematically changed the distance from the
beaker to the lamp. She counted the bubbles given off by the plants in each beaker. Shown here is the graph of the
data for the beaker she placed beside the lamp.
If the student later tested the bubbles collected in the test tube, what would she find they are made of?
If the student later tested the bubbles collected in the test tube, she finds that it was made up of oxygen.
what is photosynthesis?
Photosynthesis is the process by which green plants use the energy from sunshine to transform carbon dioxide and water into food.
Since oxygen is the gas that plants release during photosynthesis, we can infer that the bubbles are oxygen.
In this instance, we can also affirm that the fluorescent light-exposed ant displayed more bubbles than the other plant.
Since the light made it possible for this plant's photosynthetic rate to increase, more oxygen was released into the environment.
Therefore, if the student later tested the bubbles collected in the test tube, she finds that it was made up of oxygen.
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Is a decade enough time to determine climatic changes in temperature, i. E. , to determine if global warming has stopped?.
No, a decade it not enough to analyze climatic changes in temperature.
What is global warming?Global warming is the long-term warming of the Earth's surface due to human activity, primarily the burning of fossil fuels, observed since pre-industrial times (between 1850 and 1900), and increase the level of greenhouse gases that trap heat in This term is not synonymous with the term "climate change". It is the increase in average temperature of the Earth's atmosphere. This is caused by increased levels of carbon dioxide in the atmosphere, leading to rising temperatures. Global warming is being accelerated by massive deforestation by humans
More formally, climate is the long-term average of temperature, precipitation, and other meteorological variables at a particular location. Climate researchers calculate new averages every 30 years. The normal maximum and minimum temperatures indicated by local weather forecasts are averages over these 30 years.
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The heme portion of hemoglobin contains ______________, which carries oxygen inside the red blood cell.
The heme portion of hemoglobin contains one iron atom , which carries oxygen inside the red blood cell.
Heme is an iron-containing molecule that is important for many biological processes. Heme combines with globin proteins to form hemoglobin, which carries oxygen in red blood cells from the lungs to the rest of the body.
Each hemoglobin molecule built up of four heme groups surrounding a globin group, forming a tetrahedral structure. Heme, has only 4 percent of the weight of the molecule, forms a ring like organic compound known as a porphyrin to which an iron atom is attached.
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18. What term describes any marketable item produced to satisfy wants or needs?
commodity
exchange
Bounty
Price
The term describes any marketable item produced to satisfy wants or needs " commodity".
In economics, goods are things that fulfill human needs and offer usefulness, such as to a customer buying a pleasant product.
The price at something that the dealer's total benefit is increased is the ideal pricing. When the price is too low, the vendor sells a large number of units yet doesn't make the highest possible overall profit.
The perfect price is that equilibrium at which it is possible to obtain excellent advantages as represented by the good or service we are providing. This is essential for anyone who was dedicated to a business endeavor because it is a relatively simple way for achieving better results.
Therefore, the correct answer will be option (a)
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Answer: is A. commodity
Explanation:
i took a test and got it right:)
Compare a water molecule, H2O, to a hydrogen peroxide molecule, H2O2.
Which statement is true?
Responses
Water and hydrogen peroxide are made from different types of atoms, combined in different ways.
Water and hydrogen peroxide are made from different types of atoms, combined in different ways.,
Water and hydrogen peroxide are made from the same types of atoms, but combine in different ways.
Water and hydrogen peroxide are made from the same types of atoms, but combine in different ways.,
Water and hydrogen peroxide are made from different types of atoms, combined in the same way.
Water and hydrogen peroxide are made from different types of atoms, combined in the same way.,
Water and hydrogen peroxide are made from the same types of atoms combined in the same way.
The statement about water molecules and hydrogen peroxide molecules indicating that water and hydrogen peroxide are made from the same types of atoms, but combine in different ways is TRUE (Option C).
What are atoms and molecules?Atoms can be considered as the smaller indivisible amount of matter capable of preserving its physical and chemical features, while molecules are combinations of atoms to form certain structures that have particular characteristics.
Therefore, with this data, we can see that atoms and molecules are different in the sense that atoms form diverse types of molecules.
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How do people perceive the illusion caused by the Penrose triangle?
Choose all the right answers.
Which of the following plants store food in their leaves?
potatoes
carrots
lettuce
spinach
celery
Answer:
Spinach and lettuce
Answer:
lettuce
spinach
Movement of the chromosomes during anaphase would be most affected by a drug that prevents _____.
A) nuclear envelope breakdown
B) elongation of microtubules
C) shortening of microtubules
D) formation of a cleavage furrow
Movement of the chromosomes during anaphase would be most affected by a drug that prevents C) shortening of microtubules.
The anaphase is the stage of cell division during which the homologous chromosomes are pulled to either side of the cell by the microtubules present on the sides of the cell.
If shortening of the microtubules occurs due to a drug, then this means that the chromosomes will not be pulled by the microtubules to the sides during the anaphase. The chromosomes will not be separated equally into the daughter cells due to the shortening of the microtubules.
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What is dna sequence that serves as a recognition and recruitment site for transcription factors & rna polymerase?.
An area of DNA called a promoter is where a gene first starts to transcribe. Because they control how RNA polymerase binds to DNA, promoters are crucial components of expression vectors.
Define promoter region.The sense or coding strand of the transcribed gene is positioned adjacent to and typically upstream (5') of the promoters. They are between 100 and 1000 base pairs long. Coding strand refers to the DNA strand that encodes codons and whose sequence corresponds to the mRNA transcript generated. The antisense strand, which is often referred to as the template strand or non-coding strand, is translated by the RNA polymerase.
Response elements are DNA sequences found in promoter regions that provide RNA polymerase and transcription factors with dependable binding sites. RNA polymerase recruitment, DNA transcription control, and mRNA regulation are all carried out by proteins known as transcription factors.
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PLEASE HURRY
what are the two major subdivisions of the nervous system?
The two major subdivisions of the nervous system
Central nervous system (CNS) Peripheral nervous system (PNS). The brain and spinal cord make up the central nervous system; the rest of the body is made up of the peripheral nervous system. The brain receives signals from the spinal cord to process.The cranial cavity of the skull houses the brain, while the vertebral cavity of the vertebral column houses the spinal cord. The word "peripheral nervous system" refers to the location of the nervous system, which is outside of the brain and spinal cord. Saying that the CNS is what is inside these two compartments and the peripheral nervous system is what is outside of them is a bit oversimplified, but it is one way to begin to think about it.The distinction between central and peripheral nervous systems is not always universal and depends on several features of the nervous system. In reality, a few peripheral nervous system components are located in the cranial or vertebral cavities. The nervous system's "power plant" has been referred to as the peripheral nervous system. It functions similarly to a system that gathers data and issues commands. The autonomic nervous system and the sensory-somatic nervous system are the other two divisions of the PNS. Later on, both will be covered in more detail.To know more about nervous system check the below link:
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which of the following proteins comprise the one tetramer that is found in each histone core complex?
Each histone core complex contains a single tetramer made up of the H3 and H4 proteins.
Describe the tetramer structure.Tetramer: A compound made up of four smaller components that are either identical or fairly similar. Covalent or noncovalent forces can be used to link the units together. This tetrapeptide is made up of four similar amino acid residues and is a tetramer called Gly-Gly-Gly-Gly (each is a glycine).
What protein forms tetramers?A tetrameric protein called hemoglobin binds and moves four oxygen molecules at a time before releasing them to myoglobin. Every oxygen molecule that binds to hemoglobin helps the molecule that binds after it, which is known as allosteric cooperative binding.
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I NEED HELP WITH THIS ASAP
Differences between hormones and nerve impulses may be associated with the type of signal (chemical and electrical, respectively) or also with the mode of transmission of the signal (bloodstream in the case of hormones and neurons from the nerve system in the case of nerve impulses).
What is a hormone?A hormone can be defined as a chemical messenger generated by different types of cells in the organism, which need to bind certain receptors on the cells in order to produce a concomitant response. This type of messenger (hormone) is released by glands and they are transported in the blood.
Conversely, a nerve signal is an electrical impulse that spread from motor neurons to different parts of the body through the nervous system.
Therefore, with this data, we can see that a hormone is a chemical messenger that travels in the blood to reach its final localization, while nerve impulses travel through neurons.
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Some things should be safe for reasons that aren't yet known?
Answer: This is true.
Explanation:
throughout the blue sequence, you will see pairs of nucleotides in light blue; in the red sequence, you may see pairs of nucleotides in orange. what do these pairs of nucleotides represent?
The fundamental component of nucleic acids is called a nucleotide (RNA and DNA). The components of a nucleotide are a sugar molecule (either ribose in RNA or deoxyribose in DNA), a phosphate group, and a base that contains nitrogen.
What is nucleotide?A nucleoside plus a phosphate make up the chemical compound known as a nucleotide. They function as monomeric units of the essential macromolecules found in all life forms on Earth, deoxyribonucleic acid and ribonucleic acid, which are both types of nucleic acid polymers.
A nucleotide is the fundamental component of nucleic acids (RNA and DNA). A sugar molecule (either ribose in RNA or deoxyribose in DNA) is joined to a phosphate group and a base that contains nitrogen to form a nucleotide.
Adenine (A), cytosine (C), guanine (G), and thymine (T) are the four nucleotides, or bases, that make up DNA (T).
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If a cell is no longer able to differentiate into any type of tissue, it has become ________.
Answer: Zygote
Explanation:
A zygote, also called a fertilized egg, is the phase of conception where the egg and sperm join to form a single cell. The zygote contains a full set of chromosomes, with 23 from the egg and 23 from the sperm. The zygote phase lasts only about four days, after which the single cell splits rapidly to become a blastocyst and then an embryo.
The collective term for various diseases of the heart and blood vessels is ______ disease.
The collective term for various diseases of the heart and blood vessels is cardiovascular disease.
Heart is the main organ of the circulatory system which pumps blood to the whole body. The heart is made up of cardiac muscles that can maintain its contraction and relaxation on its own. There are 4 chambers of the heart: two upper atrium and two lower ventricles.
Blood vessels are the hollow tube like structures that mediate the flow of blood to the whole body. There are three varieties of blood vessels in the human body. These are: arteries, veins and capillaries. Arteries carry blood away from the heart, veins carry blood to the heart and capillaries mediate the exchange of blood at the target site.
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(2.2.1) Each biological parent contributes one chromosome, half of a chromosome pair, during fertilization. For example, when a sperm fertilizes an egg.
one chromosome from chromosome pair 1 is contributed by the sperm and another pair of chromosome 1 is contributed by the egg. Together, these two
chromosomes, called
O sister chromatids
O homologous chromosomes
O heterozygous chromosomes
O homologous chromatids
Each biological parent contributes one chromosome, half of a chromosome pair, during fertilization. Together, these two chromosomes are called (2) homologous chromosomes.
Fertilization is the process of the fusion of a male and a female gamete. This phenomenon occurs in the sexual method of reproduction. Each of the gamete need to be haploid so that a diploid cell can be generated after fertilization.
Homologous chromosomes are a pair of chromosomes where one chromosome is maternal while the other is paternal. These are similar chromosome with similar genes located at the same locus. The length of homologous chromosomes is also similar.
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which statement does not apply to all fungi? multiple choice fungi are thought to be descendants of a flagellated protist. fungal cell walls are composed of chitin. adult fungal cells are haploid. fungi produce gametes that are motile. fungi are chemoheterotrophic by absorption.
The incorrect statement about fungi is option D: fungi produce gametes that are motile.
In contrary to the above statement, fungi reproduce both sexually and asexually by producing a large number of tiny, light-weight spores that leave the parent organism by either floating on the wind or hitching a ride on an animal. Because there are so many spores dispersed, they are more likely to find a place where they can thrive. Their cell wall is made up of chitin, and adult hyphae is haploid in nature. Therefore, option D is incorrect.
Eukaryotic, non-vascular, immobile, heterotrophic creatures are fungi. They could be filamentous or unicellular. They generally spread spores to reproduce. The phenomena of generational alternation is seen in fungi. They are unable to carry out photosynthesis due to the absence of chlorophyll in them.
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why is the appearance of urine important to evaluate during an abdominal examination?
The appearance of urine is important to evaluate during an abdominal examination as Dark urine may be from dehydration.
An abdominal examination is a component of a physical examination in which a physician or nurse clinically examines a patient's abdomen for signs of disease. The physical examination usually follows a thorough medical history, in which the physician asks the patient about the progression of their symptoms.
The abdominal examination is traditionally divided into four stages: first, an inspection of the patient and visible abdominal characteristics. Abdominal auscultation (listening) with a stethoscope Abdominal palpation of the patient Finally, the patient's abdomen and abdominal organs are tapped. The abdominal exam is traditionally performed after the respiratory and cardiovascular exams in a complete physical examination.
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soils play a vital role in ecosystems, including acting as a medium for plant growth, filtering water, and providing habitat for a variety of organisms. (a) describe two of the factors that determine the properties of soils. (2 points) (b) name and describe the properties of the four main soil horizons (excluding the e horizon), going from the top layer to the bottom layer. (4 points) (c) describe at least two differences between a soil primarily composed of sand and a soil primarily composed of clay. (2 points) (d) describe the role of cation exchange and base saturation in soil productivity. (2 points)
Soil is the substrate that plants need to grow in. The soil provides the plant's roots with stability, nourishment, and a network of water and air.
What are the five main roles that soil plays in an ecosystem?These functions of the soil include controlling temperature, regulating the composition and quality of the air, cycling nutrients and carbon, regulating the quality and quantity of water, recycling and treating natural "waste" (decomposition), and providing habitat for the majority of living things and their food.
What are the top three essentials for soil?Numerous essential services provided by soil to both humans and the ecology. Our food comes from the earth, which also cleans our water, keeps us safe from flooding, and fights drought. Due to the enormous amounts of carbon it accumulates and stores, it is also essential to reversing climate change.
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escherichia coli (e. coli) bacteria are growing in a hamburger exponentially. initially there are 100,000 bacteria. after 30 minutes there are 150,000. how many are there after an hour?
1139062.5 escherichia coli (e. coli) bacteria are growing after an hour.
Initial value: 100.00 (x) when t = 0
After 0 min- 100000
After 10 min -150000 that is 1.5 ×x
After 20 min -225000 =50000×1.5
After 30 min- 337500
After 40 min- 506250
After 50 min- 759375
after 60 min- 1139062.5
E. coli, a member of the Enterobacteriaceae family, grows optimally at 37°C under aerobic conditions, although it is a facultative anaerobe and can therefore grow under anaerobic conditions. It has also been previously reported that some strains of E. coli have been known to grow at temperatures of up to 53°C, although this is not typical nor recommended for commonly used laboratory strains.
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the mammals share several characteristics, which distinguish them from all other classes of vertebrates. check all of the features that are found in mammals. - embryonic development often assisted by a placenta
- an anapsid skull
- hair used for insulation, camouflage or as sensory structures
- fused collarbones
- mammary glands
The distinguishing characteristics of mammals are:
embryonic development often assisted by a placenta.hair used for insulation, camouflage or as sensory structures.mammary glands.Placenta is the organ formed after the fertilization of the egg in females. It consists of blood vessels from both the mother and the developing fetus. It is the organ that mediates the exchange of substances between the two. Food, oxygen and nutrients are provided and wastes are removed through it.
Mammary glands are present only in the mammalian females. These are present in the chest region and its primary function is to secrete milk for the newborn.
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Scientists discover a new organism deep in the amazon rainforest. It is multicellular and produces its own food through photosynthesis. It is most likely in the kingdom.
The multicellular, autotrophic creatures that make up the Kingdom Plantae are.
What is a case study of photosynthesis?Example: The dazzling things of nature that fall into this category are green plants. They complete a cycle of photosynthesis by ingesting carbon dioxide and converting this into carbohydrate (energy storage molecule).
What makes photosynthesis so crucial?The main purpose of photosynthesis is to transform sunlight into chemical energy, which is then stored for later use. This mechanism primarily provides energy to the planet's life systems. By the norms of human engineering, it is not particularly effective, but it gets the job done.
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