Answer:
a the e answer s a
Explanation:
feliz navida owla quenmisto btc
the figure below represents an overview of the different entry pathways to cellular respiration when different macromolecules are digested for energy production. why are none of the digestive products entering the electron transport chain directly?
None of the digestive products enter the electron transport chain directly as only electrons carried by reduced electron carrier molecules like NADH are accepted by the electron transport chain.
The system's electron donor is NADH. By providing electrons to NADH dehydrogenase, it starts the electron transport cycle (blue). NADH dehydrogenase receives two electrons from NADH. The complex additionally moves two protons into the intermembrane space at the same time from the mitochondria's matrix region.
What is the mechanism of the electron chain?
The ETC is made up of a group of proteins that are affixed to the inner mitochondrial membrane and organic molecules that allow electrons to pass through and release energy through a series of redox processes. The protein ATP-synthase uses chemiosmosis to create a significant amount of ATP using the energy released to create a proton gradient.
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starch is used to store energy and cellulose is a structural polysaccharide. the key differences that explain these functions are
Alpha 1-4 and alpha 1-6 glycosidic linkage in starch results in branching, whereas beta 1-4 glycosidic linkage results in unbranched structures in cellulose. These key differences explain these functions.
Due to the fact that they are made up of chains of glucose molecules, both starches and cellulose are carbohydrates that are categorized as polysaccharides. Despite their similarity, cellulose cannot be utilized by the body as a source of energy while starches can.
Structural differences between starch and cellulose are the links between glucose molecules and the molecule's overall structure. Starch has a structure that is branched and has 1-4 and 1-6 alpha linkages, whereas cellulose has a structure that is rigid and elongated and has 1,4 beta linkages. Unlike starch and glycogen, which are branched, cellulose is a straight-chain glucose polymer.
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HURRY Which two statements represent scientific research problems rather than engineering design problems? A. Finding a way to keep food cold without electricity B. Developing chemical pesticides to protect plants from insects C. Comparing root structures in different kinds of plants D. Studying how wildlife is affected by pollution SUBMIT
Answer:
C. comparing root structure
based on what you know about fibrous protein structure and sequence, what type of fibrous protein is this sequence most likely to from (you can assume that the protein is longer than what is shown and is repeating as shown, also note the polarity of each amino acid.)?
Based on what you know about fibrous protein structure and sequence, the type of fibrous protein in this sequence most likely to form is α-keratin.
The correct option is A.
A polypeptide chain called keratin creates a right-handed helix and is often rich in alanine, leucine, arginine, and cysteine. A coiled coil is made up of two of these polypeptide chains that twist together to produce a left-handed helical shape. Vertebrates have alpha-keratin, also known as keratin, which is a form of keratin. The epidermal layer of the skin, mammalian claws, nails, and hairs all include this protein as their main constituent.
As a fibrous structural protein with a repeating secondary structure, keratin is composed of amino acids. There are 551 amino acids in this basic (type II) keratin, and 80% of these amino acids are in the same order as those in keratin K5.
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The given question is incomplete. The complete question is given by:
Based on what you know about fibrous protein structure and sequence, what type of fibrous protein is this sequence most likely to form (You can assume that the protein is longer than what is shown and is repeating as shown, also note the polarity of each amino acid.)?
Val - Cys - Lys - Val - Cys - Ala - Cys - Val - Cys - Lys - Val - Cys - Ala - Cys
A: α Keratin.
B: Collagen.
C: This sequence cannot be from any of the structural proteins.
D: Pleated collagen.
E: Beta keratin
What occurs during cytokinesis?
O The parent cell fully splits into two daughter cells.
O Organelles are duplicated to prepare for division.
The parent cell DNA is split into two nuclei.
O The cell grows and performs normal activity.
the chromosomes become visible under a light microscope during which stage of mitosis?
The chromosomes become visible under a light microscope during the prophase stage of mitosis.
Mitosis can be described as a process in which a cell divides forming two new daughter cells.
The prophase is the first stage of mitosis and in this stage, the chromosomes start to become visible. As the tight coiling of the DNA is removed for cell division, the chromosomes start to appear.
The prophase is characterized by the condensation of chromosomes and the disappearance of the nucleolus.
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Which of the following examples illustrates the community with the highest biodiversity?
1. Species Number of individuals
A 5
B 5
C 5
D 15
E 20
2. Species Number of Individuals
A 2
B 8
C 10
D 10
E 20
3. Species Number of individuals
A 1
B 4
C 4
D 6
E 30
4. Species Number of individuals
A 10
B 10
C 10
D 10
E 10
The highest biodiversity is illustrated in example 4 since there are numerous individuals for each species.
Biodiversity refers to the variety of life that may be found in a given place, including fungi, plants, animals, and even microbes such as bacteria. Each of these species and animals collaborate in ecosystems to preserve equilibrium and support life, much like an elaborate web. The systems that sustain all life on planet Earth, including humans, rely on biodiversity. We cannot have healthy ecosystems that give us with the oxygen we inhale and the food we consume without a diverse range of animals, plants, and microbes. People also respect nature in and of itself.
Option 4 is the correct answer because we can witness numerous individuals of many species, demonstrating the variety and variability of life. Biodiversity refers to the genetic and species variation of life, as well as the ecosystem.
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if the genes in morgan's three factor crosses were all located together on the x chromosome, why did some of the f2 generation display recombinant traits?
If the genes in morgan's three-factor crosses were all located together on the x chromosome, some of the f2 generations display recombinant traits due to X chromosome recombination.
Morgan also proposed the theory of "crossing over" on the grounds that the frequency of recombination of the X chromosome was correlated with the separation of genes on a chromosome and that the exchange of genetic material destroyed the connection between genes. According to Morgan, he thought that the genes on chromosomes were like pearls together—that is, they were actual physical things.
The likelihood of two genes inheriting together increased as two genes' distance from one another on a chromosome increased. On the other hand, genes that were further apart on the same chromosome were more likely to be split apart during recombination. A mutation Morgan found that the dye altered the hue of a fly's eyes. He noticed that the way the flies inherited the mutation was different.
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Finding clam shells in a rock indicate that the region was once a _____.
A. marine environment
B. desert environment
C .grassland environment
Answer:
Marine environment.
Explanation:
In case you don't know clams are most likely to habitat in a marine environment. Where there is fish and stuff. Hope I helped!!!
malignant tumor cells possess the ability to cause metastatic tumors a great distance from the primary tumor site. how do tumor cells cause this to happen?
Malignant cells separate from the main tumor and migrate through the lymphatic and circulatory systems.
Malignant Cells- The word "malignancy" entails the presence of malignant cells with the capacity to invade adjacent tissues (locally) or spread to other locations in the body (metastasize). Due to abnormalities in their genetic makeup, malignant cells frequently proliferate quickly, uncontrollably, and do not naturally die.
Tumor- Gene mutations can increase the pace of cell division or suppress natural mechanisms that keep the body in check, like cell cycle arrest and programmed cell death. A tumor can form as a collection of malignant cells enlarges.
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morton is editing a gene in a moth species that codes for an enzyme involved in silk production. the resulting moths continue to make silk just as the unaltered moths do. what type of mutation did morton produce?
Morton produced a Silent mutation.
A mutation is a change to an organism's DNA sequence. Errors in DNA replication during cell division, exposure to mutagens, or viral infection can all cause mutations.
When a gene's protein-coding region contains a single DNA nucleotide alteration, the amino acid sequence that makes up the gene's protein is unaffected. This is known as a silent mutation. Silent mutations modify one of the letters in the triplet code that designates a codon, but the amino acid that is coded for is unaltered or has identical biochemical properties despite the single base change. Genetic code degeneration makes this possible.
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Smart Study Guide
Rocks SC.4.E.6.1
are non-living
things that make up the outer layer of
Earth. Rocks are made from
and can be
found in 3 different types based on how
they are
sedimentary, metamorphic, and igneous.
rocks are
made from small pieces of rock, mud, or
shells that settle in layers in the bottoms
of rivers or lakes. Over millions of years
the sediment builds up, is
together and
hardens into a rock. Dead plants and
animals can get trapped in the layers
and form
Draw a line to match the description to
the rock.
Answer:Big Idea: Earth Structures - Humans continue to explore the composition and structure of the surface of Earth. External sources of energy have continuously altered the features of Earth by means of both constructive and destructive forces. All life, including human civilization, is dependent on Earth’s water and natural resources.
Explanation:
true or false. large fluctuations in allele frequencies are more common in small populations. explain your reasoning.
This statement is True Because LARGE fluctuations occur more in SMALL populations.
What is allele frequency?Allele frequency is the measure of how frequently an allele occurs in a population. It is computed by dividing the number of copies of the gene by the population's frequency of the allele. The gene pool of a population is made up of all the copies of each gene in that population.
How important is allele frequency?In human statistical genetics, the prevalence of an allele in the population is a fundamental quantity. A lot of population or medical genetic studies are based on this amount. Allele frequencies are altered by numerous evolutionary factors. As a result, allele frequencies can be utilized to guess at previous evolutionary occurrences.
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aquarium a contains warm water and several fish; b contains cold water, several fish, and aquatic algae; c contains warm water and several frogs; and d contains warm water and sedentary animals. which aquarium should have a large amount of air bubbled into it to maintain good oxygenation of the water? aquarium a contains warm water and several fish; b contains cold water, several fish, and aquatic algae; c contains warm water and several frogs; and d contains warm water and sedentary animals. which aquarium should have a large amount of air bubbled into it to maintain good oxygenation of the water? aquarium b aquarium c aquarium a aquarium d
If there is too much oxygen in the water, fish can get the potentially fatal gas bubble illness, which manifests as bubbles in their skin and around their eyes. (However, a much more typical case of this condition is excess nitrogen.) Thus, option A is correct.
What is the advantage of large aeration in fish aquarium?It is crucial for the health of your fish to properly aerate your aquarium so that they can breathe.
Filters, power heads, air stones, and aerating decorations are the tools most frequently employed to promote aeration in fish tanks. To give your fish the oxygen they need, you can use whatever combination you wish.
Therefore, aquarium A contains warm water and several fish.
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as cell division proceeds in multicellular organisms, the cells
Most cell types are permeable to water. An exception is cells of the __________, which can be either impermeable or permeable, depending upon the location of __________.
Most cellular sorts are permeable to water. An exception is cells of the distal nephron which can be either impermeable or permeable, depending upon the place of aquaporins.
High medullary interstitial osmotic pressure provides the driving pressure for the osmotic glide of water through collecting ducts making water permeable by means of the action of vasopressin. high permeability permits osmotic equilibrium among urine and medullary interstitial fluid. The distal nephron epithelium is impermeable to water without vasopressin.
Water loss from the frame occurs primarily thru the renal device. On average, a person produces 1.5 liters of urine according day. Urine output varies with hydration stages, however minimal urine output is essential for proper frame features. The bicarbonate buffer system is the maximum essential buffer inside the extracellular fluid. If there's too much acid lactic acid the bicarbonate ions will take in.
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in a __________, environmental factors alone can produce a phenotype that is the same as the phenotype produced by a genotype.
A phenocopy is a trait that imitates the phenotype that the genotype produces and is brought about by environmental factors.
The term "phenotype" refers to an organism's observable physical features that are a result of the genotype's genetic makeup and are determined by the circumstances of the environment in which it is found.
The features that the phenotype expresses include behavioral and physical, and it is thought that the phenotype represents the genotype's manifestation dependent on environmental circumstances.
No of how the genotypic information is expressed, environmental circumstances will also influence the phenotype of an organism since it may experience accidents, alterations, or adaptations that a genetically similar individual in a different environment would not.
As a result, we can say that the phenotype is a genotype's varied expression in
We can therefore draw the conclusion that a genotype's variable expression in response to environmental conditions is what we refer to as a phenotype.
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Compare Fossils X and Y during compression. What
happens to each?
Answer: The layers would shift.
Explanation: The layers would shift due to the layers being slowly compressed between sediment layers. Basically, both fossils would shift more together too.
This graph shows Marie's distance from home (A) to work (F)
Answer the following questions based on the graph above.
1. Marie left her briefcase at home and had to return to get it.
a. Which point represents when she turned back around to Ão home?
From B to C is when she returned back to her house. Point C represent being back at house.
Why do they call it a briefcase?Briefcases used to be linked with white collar professionals who brought them from home to the office to transport crucial documents. In actuality, the name briefcase originated from the fact that lawyers used them to transport court documents called briefs.
Does anyone still use briefcases?Businessmen still frequently use briefcases because they require a place to keep their laptop and all the paperwork they need to take to and from work. A briefcase provides you a polished appearance. Whether you bring a briefcase to work every day while wearing a suit, formal pants, and a button-down shirt, or even simply a button-down and jeans.
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The complete question is-
This graph shows Marie's distance from home (A) to work (F)
Answer the following questions based on the graph above.
Marie left her briefcase at home and had to return to get it. State which point represents when she turned back around to go home ?
