There is only one reducing end present in a molecule of glycogen.
Glycogen is a branched polymer of glucose molecules, with alpha-1,4-glycosidic linkages between the glucose units and alpha-1,6-glycosidic linkages at the branch points.
Glucose [sugar] is the body's main source of energy. It comes from carbohydrates in certain foods and fluids consumed. The reducing end of glycogen is the end with a free anomeric carbon, which is capable of reducing other molecules.
There is only one such end in a molecule of glycogen, as the other end is attached to a protein called glycogenin.
Therefore, there is only one reducing end present in a molecule of glycogen.
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Two jars are placed on a counter with a McDonald’s French fry inside. One has a lid, the other does not. They are left alone to see which one decays faster. After two days, the fry in the closed jar looks fresher. Answer the following questions about this scenario:
What is the independent variable?
What is the dependent variable?
What variables are controls?
What occurs in stage 2 of cell division?
A. Cells grow and divide into four cells
OB. Cells grow and then divide.
OC. Cells divide to make six cells.
D. Cells recombine.
Reset Selection
Answer:
Mitotis is the second stage in cell division. During this stage the cell makes two identical nuclei, and the chromosomes seperate
Explanation:
b
know why certain cells are bone cells and why others are blood cells. do they all have the same dna? what is the difference?
It is apparent that each person has a unique genome. However, it can also differ amongst cells, even in the same person.
Because they employ the same number of genes in various ways, these cells differ from one another. Therefore, despite the fact that each of human cells contains roughly 20,000 identical genes, each cell may choose which genes to "turn on" and which to keep "shut off." All of the cells within your body originated from a single cell, as you are undoubtedly already aware. It is apparent that each person has a unique genome. However, it can also differ amongst cells, even in the same person. The 50 trillion so about cells that comprise up you were created by the division of that one cell many, many times. Your body's cells almost all share the very same DNA that was discovered in that first cell. Our bodies contain "specialized" cells.
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2. The five Climate zones are:
polar, deciduous, hot and dry, rainy, and cold deserts.
Antarctica, equator, deciduous, rain forest, and deserts.
tropics, temperate, polar, sub-tropic, and sub-polar.
tropics, subtropics, temperate , sub-polar and polar.
Answer:
C
Explanation:
tropics, temperate, polar, sub-tropic, and sub-polar.
which clinical syndrome caused by gross chromosomal abnormalities is associated with bilateral cleft lip and palate, microphthalmia or anophthalmia, and polydactyly?
The clinical syndrome caused by gross chromosomal abnormalities that is associated with bilateral cleft lip and palate, microphthalmia or anophthalmia, and polydactyly is Pallister-Killian syndrome (PKS). The disorder is a rare genetic disorder that affects multiple systems in the body and is caused by an extra copy of chromosome 12p.
PKS is a complex multisystem disorder characterized by an unusual facial appearance, intellectual disability, seizures, and other health problems. Pallister-Killian syndrome is a chromosomal disorder that is caused by an extra copy of chromosome 12p in cells of the body. Because the extra chromosome 12p is present in a mosaic pattern, this condition is referred to as a mosaic chromosomal abnormality.
PKS affects multiple systems in the body, including the heart, eyes, kidneys, and other organs. PKS is associated with a unique facial appearance, intellectual disability, seizures, and other health issues. Individuals with PKS have distinct facial features such as a high forehead, short nose, low-set ears, a small chin, and a cleft lip and/or palate. Vision difficulties such as microphthalmia or anophthalmia, which are underdeveloped or absent eyes, are also a feature of PKS.
PKS may also cause polydactyly, an extra finger or toe, or syndactyly, in which two or more fingers or toes are joined. The feet and hands may also have unusual creases, known as palmoplantar creases. There are other symptoms of PKS, which vary among individuals. These symptoms may include seizures, skeletal abnormalities, heart defects, hearing loss, and various other health issues.
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Replication in Living Cells
Prokaryotes
Eukaryotes
Both
1. New chromosomes remain attached to
cell membrane
2. Proteins check for errors
3. Starts at one place
4. Proceeds in two directions
5. Copies of DNA condense into
chromosomes that separate
6. Starts at many places
Answer:
1. New chromosomes remain attached to cell membrane - Both
2. Proteins check for errors - Both
3. Starts at one place - Prokaryotes
4. Proceeds in two directions - Both
5. Copies of DNA condense into chromosomes that separate - Both
6. Starts at many places - Eukaryotes
Explanation:
The difference between prokaryotic and eukaryotic DNA replications is associated with the origins of replication, that is, the locations where replication starts. While in eukaryotic DNA, the origin of replication occurs in several places along the strands of DNA, replication in prokaryotic DNA has a unique origin of replication.
Replication of a cell refers to the formation of the two alike copies of DNA it is crucial for biological legacy, cell growth and division.
The process of replication in prokaryotes and eukaryotes somewhat contrasts from each other.
1. New chromosomes remain attached to cell membrane - Both in prokaryotes and eukaryotes.
In prokaryotes, the single circular chromosome remains attached to the cell also in eukaryotes chromosomes remain attached to the nuclear envelope.
2. Proteins check for errors - Both in prokaryotes and eukaryotes.
Although the process of formation of proteins is different proofreading occurs in both types of organisms.
3. Starts at one place - Prokaryotes.
Replication in prokaryotes originates from only one place while eukaryotic replication can occur from multiple positions.
4. Proceeds in two directions- Prokaryotes.
Replication in prokaryotes is bidirectional and advances in two directions.
5. Copies of DNA condense into chromosomes that separate - Both in prokaryotes and eukaryotes.
DNA condenses in the nucleoid which later gets separated.
6. Starts at many places - Eukaryotes.
In eukaryotic replication, the DNA strand has multiple sites of origin and the replication can occur at multiple positions.
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How many green sea turtles are left in 2021?
Answer:
50k-75k in total
Explanation:
name at least 3 environmental habitats that would facedestruction if the trees on the trail were all clear cut
Clearcutting disturbs soils, wetlands, and peatlands, releasing their vast carbon stores, and diminishes the boreal forest's ability to sequester carbon from the atmosphere. As such, it is often an ecologically harmful form of logging.
During which phase of meiosis is the chromosome number reduced?
Answer: Meiosis I
Explanation:In meiosis I there is a reduction of the chromosome number from diploid (two separate copies of each chromosome) to haploid (one copy of each chromosome) during the formation of gametes.
can spiders smell???????????
Answer:
Yes
Explanation:
Spiders, in fact, do taste, and also smell, through special sensory organs on their legs, as well as on their pedipalps. And they hear – or, more specifically, they sense vibrations – through hairs and tiny slits distributed over much of their body.
some vitamins are mostly found in animal-based foods, while some vitamins are abundant in plant-based foods. the best source of vitamin C is ...., while ... is naturally rich in vitamin B12
Answer:
strawberries and fish
Explanation:
strawberries are a source of vitamin c annd fish is a source of vitamin b12
this is the answer on edmentum/plato
Identify the results of a substance losing energy. Select all that apply.
A. The temperature of the substance will increase.
B. The substance will change from the gaseous state to the liquid state.
C. The temperature of the substance will decrease.
D. The substance will change from the solid state to the liquid state.
Which of the following would have the greatest biodiversity? A. An area with many individuals of the same species. B. An area with many individuals of a few species. C. An area with few individuals of many species. D. An area with many individuals of many species.
Answer:
D. An area with many individuals of many species.
Explanation:
Biodiversity is the variety and variability of life on Earth.
Biodiversity is supposed to be diverse with a lot of different species. Diverse means showing a great deal of variety; very different.
what is an example of a protein? group of answer choices the bird in my chick-fil-a the chlorophyll in my kale smoothie the grease in my southern fried the 40 grams of sweetener in my soda my gluten-free bottled water
An example of a protein is the bird in your Chick-fil-A sandwich. Chicken is a rich source of high-quality protein, providing essential amino acids necessary for the growth and repair of tissues in the body.
Proteins are large molecules made up of long chains of amino acids, and they play vital roles in many biological processes, including enzyme catalysis, transport, and regulation of gene expression. Other examples of protein-rich foods include meat, fish, dairy, beans, nuts, and seeds. Adequate protein intake is crucial for maintaining muscle mass, promoting satiety, and supporting immune function, among other health benefits.
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In plant cells, how are chloroplasts and mitochondria related?
A. Chloroplasts manufacture food;mitochondria break down the food and convert it to energy
B. Chloroplasts package nutrients;mitochondria deliver the nutrients to other parts of the cell
C. Chloroplasts absorb water from the surrounding tissue; mitochondria store water
D. Chloroplasts direct the functions of the cell;mitochondria deliver messages to other parts of the cell.
Answer:
Explanation:
Answer is A
Mitochondria are the "powerhouses" of the cell, breaking down fuel molecules and capturing energy in cellular respiration. Chloroplasts are found in plants and algae. They're responsible for capturing light energy to make sugars in photosynthesis.
tetrodotoxin (from puffer fish) is potent inhibitor of voltage-gated na -channels. what aspect of nerve function would it directly block?
The tetrodotoxin (from puffer fish) is potent inhibitor of voltage-gated Na+-channels, Membrane depolarization aspect of nerve function would it directly block.
A strong neurotoxin is tetrodotoxin (TTX). Its name is derived from the group Tetraodontiformes, which contains numerous species of the toxin-carrying pufferfish, porcupinefish, ocean sunfish, and triggerfish. Tetrodotoxin is produced by specific infecting or symbiotic bacteria like Pseudoalteromonas, Pseudomonas, and Vibrio as well as other species found in animals. Despite the fact that it has been found in these fish and many other animals (such as blue-ringed octopuses, rough-skinned newts, and moon snails), it was initially discovered in these fish.
A sodium channel blocker, tetrodotoxin. By attaching to the voltage-gated sodium channels in nerve cell membranes and preventing the entry of sodium ions, which are important for the rising portion of an action potential, it prevents neurons from firing action potentials.
This stops messages from being sent via the neurological system and, as a result, stops muscles from contracting in response to nerve stimulation. Using the sucrose gap voltage clamp method, Toshio Narahashi and John W. Moore of Duke University demonstrated its mechanism of action, the selective blockage of the sodium channel, in 1964.
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Who discovered the advantages of AC over DC( alternating current and direct current)?
Answer:
At the close of the nineteenth century, Thomas Edison was working on perfecting his system of direct current (DC) for electric power distribution. Meanwhile, the inventor and physicist Nikola Tesla was discovering the benefits of his competing alternating current (AC) system.
Explanation:
The body needs glucose from carbohydrates for major organs and tissues. If dietary carbohydrates are inadequate, the body utilizes other sources to provide energy. What is the only source that can not be used to directly make glucose?.
Glucose cannot be synthesized from fatty acids.
Glucose can not be made using fatty acids or ketogenic amino acids. As acetyl-CoA cannot be transformed back to pyruvate due to the one-way nature of the transition reaction, it cannot be used as a fuel.
Since pyruvate and other molecules with at least three carbon atoms are required for the body's enzymes to function in an energetically advantageous manner, acetyl CoA cannot be converted to glucose since it possesses a two-carbon acetyl group. This indicates that the Krebs cycle will continue to break down acetyl-CoA.
Fatty acids cannot be turned into glucose because they produce acetyl coenzyme A (CoA), which enters the citric acid cycle and is oxidized to carbon dioxide (CO₂).
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Protostomes that have bilateral symmetry and three embryonic germ layers, but that do not possess a coelom or pseudocoelom, are called
Flatworms are free-living or parasitic animals, with bilateral symmetry, triblastic and with no coelom. The correct answer is FLATWORMS.
What are the flatworms?These are animals of variable size, going from a few millimeters to centimeters.
Flatworms are bilateral, acoelomated, and triblastic animals. The fact of being acoelomate means that they lack an internal cavity. Their whole body is solid, having mesenchyme where different organs are located.
Sense organs are located in the anterior part of the body.
These animals are hermaphrodites, exhibiting cross reproduction and eventually autofecundation.
They might be free-living animals or parasitic.
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My organism is a cat.
Mary and Amy have selected organisms for their study. Mary’s organism shares the same genus as your species, and Amy’s organism shares the same phylum as your species. Which one has more in common with your species? Explain your answer.
Mary and Amy have selected organisms for their study. More similarities exist between Amy's organism and your species.
What's a phylum?A taxonomic rank or level of classification in biology known as a phylum precedes a class but not a kingdom. Although the terms are recognized as equivalent by the International Code of Nomenclature for Algae, Fungi, and Plants, division has traditionally been used in botany rather than phylum. According to various definitions, there are roughly 31 phyla in the animal kingdom Animalia, 14 phyla in the plant kingdom Plantae, and 8 phyla in the fungus kingdom Fungi.
Phylum is broader than genus; Genus membership is shared by organisms from the same phylum.
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the red queen hypothesis predicts that host-parasite coevolution maintains genetic variation. was this prediction met for the host and parasite populations? why do you think this is?
Yes, the Red Queen Hypothesis's prediction that host-parasite coevolution maintains genetic variation has been supported by numerous studies. This occurs because of the constant "arms race" between hosts and parasites.
In host-parasite coevolution, hosts continuously evolve resistance to the parasites, while parasites evolve to overcome the host's defenses. This ongoing process leads to the maintenance of genetic variation in both populations. Here's a step-by-step explanation of how this works:
1. A parasite infects a host population and exploits its resources to survive and reproduce.
2. Hosts with genetic traits that provide resistance to the parasite will have higher fitness and are more likely to survive and reproduce.
3. The frequency of these resistant traits increases in the host population over time through natural selection.
4. Meanwhile, parasites with genetic traits that allow them to overcome the host's resistance will have a selective advantage, leading to an increase in their frequency within the parasite population.
5. This continuous cycle of adaptation and counter-adaptation between hosts and parasites maintains genetic variation in both populations.
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Gene on a chromosome lies close to another gene controlling a different trait. This indicates that jeans are blank the first gene contributes to the expression of the second gene. This indicates blank
Answer: genes are linked
Explanation: Gene on a chromosome lies close to another gene controlling a different trait. This indicates that genes are linked, meaning they are physically close to each other on the same chromosome. The proximity of these genes suggests that they are more likely to be inherited together as a unit, rather than independently assorting during the process of genetic recombination.
How is the transcription start site determined in bacteria?.
Answer:
by the binding of RNA polymerase to the consensus sequences of the promoter
Explanation:
BTW: a promoter is a DNA Sequence on to which transcription machinery bind and initiate transcription .
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Which of the following is an example of genetic engineering? A manipulating potato genes to improve nutritional value, growth and flavor B creating a new identical mouse from the single cell of another mouse C a trait that is not advantageous disappearing over multiple generations D breeding two fast racehorses to produce offspring that have superior skills
The example of genetic engineering is as follows: manipulating potato genes to improve nutritional value, growth and flavor (option A).
What is genetic engineering?Genetic engineering also called genetic modification is the deliberate modification of the genetic structure of an organism.
Genetic engineering is a biological technique of making improved products by altering the genome of living organisms.
Examples of genetic engineering is as follows:
Production of insulin hormoneOnions that do not cause people to cryTherefore, the manipulation of potato genes to make them have better nutritional value is an example of genetic engineering.
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The testes of a human male produce gametes. The process that produces these gametes differs from the process that produces new skin cells in the same individual.
The testes of a human male produce gametes, while the process that produces new skin cells in the same individual differs from the process that produces these gametes.
Gametes are specialized cells that carry genetic material and are necessary for sexual reproduction. The process by which the testes of a human male produce gametes is known as spermatogenesis. This process involves the division of diploid germ cells to produce haploid sperm cells with half the number of chromosomes as the parent cell.On the other hand, the process that produces new skin cells in the same individual is known as mitosis. This process involves the division of somatic cells (cells that make up the body tissues) to produce two identical daughter cells with the same number of chromosomes as the parent cell.
Therefore, the process that produces gametes in males differs from the process that produces new skin cells in the same individual. While gametes are produced through the process of spermatogenesis, new skin cells are produced through the process of mitosis.
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The fact that whales have a pelvis is which type of evolutionary evidence?
Answer:
Anatomical Evidence
Explanation:
The pelvic bones in whales are a good example of evolutionary anatomical evidence shown by vestigial evolution where whales evolved from four-legged land mammals and secondarily lost their hind legs.
A crocodile-like morphology evolved independently in a group of Triassic reptiles called phytosaurs, and later, after phytosaurs were extinct, in true crocodiles. This is an example of: Sympatric speciation. Iterative evolution Evolutionary drift Genetic drift Lamarckian evolution
The correct answer is iterative evolution. A crocodile-like morphology evolved independently in a group of Triassic reptiles called phytosaurs, and later, after phytosaurs were extinct, in true crocodiles. This is an example of iterative evolution.
Iterative evolution is the development of similar structures or forms independently over time in separate lineages. This is frequently seen in unrelated lineages of organisms that evolve similar features through convergent evolution. The crocodile-like morphology that evolved independently in Triassic reptiles called phytosaurs and later in true crocodiles is an example of iterative evolution as they evolved independently in separate lineages. The ability of the phytosaurs to thrive in an aquatic environment likely contributed to the development of this morphology, which later allowed true crocodiles to similarly thrive.
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When a river flows over time, it may leave a deep groove with tall sides called a(n)? Possible answers in photo.
Answer:
Canyon.
Explanation:
Weathering, volcano, mountain, and erosion are not good answers.
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Give a reason why the permanent tissue does not grow
Answer:
they are plant cells thst have comppleted their growth and do not divide
Explanation:
there is no meristemic growth
Unlike meristems, permanent tissue is made of differentiated cells that have lost their ability to divide.
whats the order from biggest to smallest ecosystem,population,community,organism
Answer:
Ecosystem, community, population, Organism
Explanation:
Organism is a single species
Population is a group of the same species
Community is a group of different populations
Ecosystem is where communities live
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