Answer:
HOPE THIS HELPS
Explanation:
1. The TCA cycle begins with an enzymatic aldol addition reaction of acetyl CoA to oxaloacetate, forming citrate.
2. The citrate is isomerized by a dehydration-hydration sequence to yield (2R,3S)- isocitrate.
3.Further enzymatic oxidation and decarboxylation gives 2-ketoglutarate.
4. After another enzymatic decarboxylation and oxidation, 2-ketoglutarate is transformed into succinyl - CoA.
5. The hydrolysis of this metabolite to succinate is coupled to the phosphorylation of guanosine diphosphate (GDP) to guanosine triphosphate (GTP).
6.Enzymatic desaturation by flavin adenine dinucleotide (FAD)-dependent succinate dehydrogenase yields fumarate.
7.After stereospecific hydration, fumarate catalyzed by fumarase is converted to L-malate.
8.And the final step of the TCA cycle of NAD- coupled oxidation of L-malate to oxaloacetate is catalyzed by malate dehydrogenase and closes the cycle.
Which cell has receptors for the neurotransmitter?
Answer:
In addition to being found in neuron cells, neurotransmitter receptors are also found in various immune and muscle tissues.but it is also in the plasma membrane of postsynaptic cells (in some cases also in the presynaptic terminal),
Explanation:
Animals have cells of various sizes and shapes. Fat cells are roughly spherical and can be quite large. The cells lining the gut, on the other hand, are much smaller and have highly folded plasma
membranes on one side, as represented in the figure. Which of the following describes the effect of a cell's shape and size on its ability to exchange substances with its environment?
As a cell gets bigger, diffusion becomes less efficient because the surface-to-volume ratio decreases. As the sphere or animal gets bigger, the surface area for diffusion gets smaller.
Describe a cell example:All of these plants and animals, including trees in a forest, fish in a river, horseflies on a farm, lemurs in the jungle, reeds in a pond, and worms in the soil, are comprised of the building blocks known as cells. Many living organisms, like these examples, are made up of many cells cooperating with one another.
What does a cell perform?They provide the body with structure, absorb the nutrients from food, turn those into energy, and carry out specific functions. Furthermore, cells have the ability to replicate themselves that contain the brain's genetic material.
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1:What are some substances that water can adhere to?
2:What are some substances that water does not adhere
to?
Although water enjoys sticking to itself, there are some situations where it actually prefers to stick to different kinds of molecules. Adhesion, which is the attraction of molecules of one sort to molecules of another kind, can be very strong for water, particularly when those other molecules have positive or negative charges.
Oils and fats are examples of nonpolar compounds. Since these nonpolar molecules are chargeless, water is not particularly drawn to them. Even when well mixed into water, molecules of nonpolar substances like oil and gasoline have a tendency to separate from the water once the mixing is stopped.
Things that do not dissolve in water :
Mustard oil, sawdust, sand, wheat flour, petals of flowers, chalk powder and soil are insoluble in water.
Amazingly, water can stick to both other things and to itself. In covalent compounds like ammonia (NH3), water (H2O), and hydrogen fluoride gas, hydrogen atoms covalently link to nitrogen (N), oxygen (O), or fluorine (F) to form hydrogen bonds (HF).
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{Easy} When lava flows from volcanoes that aren't explosive, the lava forms a large, extrusive volcanic feature. What's the name for this extrusive feature? {Penn Foster}
A. Volcanic plateau
B. Epicenter
C. Lava cap
D. Basalt columns
A person walks from rest to 5.20 meters/second in 10.4 seconds. What is the person's acceleration?
The acceleration of the person in 10.4 seconds will be 0.5 m/s².
How is acceleration and force related to each other?Force is defined as the product of mass of the body and the acceleration with which it is moving. Mathematically -
F = ma
Acceleration and force are related as we can write -
a = F/m
Acceleration is a vector quantity. In the three dimensional coordinate system, the acceleration vector can be resolved as -
[a] = F[x]/m + F[y]/m + F[z]/m
Given is a person who walks from rest to 5.20 m/s in 10.4 s.
We can write -
[u] = 0 m/s
[v] = 5.20 m/s
[Δt] = 10.4 s
Substituting the values in the formula -
a = (v - u)/[Δt]
a = 5.20/10.40
a = 0.5 m/s²
Acceleration will be 0.5 m/s².
Therefore, the acceleration of the person in 10.4 seconds will be 0.5 m/s².
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Which of the following people developed a model of the human psyche and how it works that’s known as psychoanalysis?
Freud
Skinner
Koffa
Socrates
Answer:
skinner
Explanation:
1. Compare the characteristics of aquatic and terrestrial biomes by completing the table below.See picture please
Organisms living in each biomes have to deal with differents circunstances, like different practices of feeding (since the aliment can be suspended in the water, or swimming aroudn) and the finding of couple, but if we have to mention one important adaptation of these two kind of organisms, aquatic and terrestrial, we can talk about how the process of fertilization occurs. In the water, organisms usually realese their sexual cells to the external media, while in terrestrial organisms, they only can reproduce themselves interactuating directly with the couple, having an internal fertilization.
A drug that decreases the activity of an enzyme, by binding to its active site, is called _____?
Group of answer choices
a feedback activator
an active inhibitor
a competitive inhibitor
a noncompetitive inhibitor
A drug that decreases the activity of an enzyme by binding to its active site is called a competitive inhibitor.
An inhibitor may bind to an enzyme and block the binding of the substrate, for example, by attaching to the active site. This is known as competitive inhibition as the inhibitor “competes” with the substrate for the enzyme. In other words, only the inhibitor or the substrate can be bound together at a given moment.
If an inhibitor is competitive, it will decrease the reaction rate when there's not enough substrate, but can be "out-competed" by lots of substrates. That is, the enzyme can still reach its maximum reaction rate given there is enough substrate. Accordingly, almost all the active sites of the enzyme molecules will get replaced by the substrate rather than the inhibitor.
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What makes lipids/fats hydrophobic and not mix with water?
Ophosphate group at one end of the molecule
O presence of C=C (carbon double bonds)
Oglycerol
fatty acid tails
Fatty acid tails makes lipids/fats hydrophobic and not mix with water.
What is hydrophobic interaction?Hydrophobic interactions describe the relations between water and hydrophobes (low water-soluble molecules).
Hydrophobes are nonpolar molecules and usually have a long chain of carbons that do not interact with water molecules. The mixing of fat and water is a good example of this particular interaction.
Liquid water is held together by hydrogen bonds. (Liquid water has fewer hydrogen bonds than ice.) Oils and fats not have any polar part and so for them to dissolve in water they would have to break some of water's hydrogen bonds.
Thus, the fatty tails are hydrophobic in nature composed of hydrocarbon chains that are uncharged hence do not interact with water.
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What else is missing from this equation that a plant needs in order to do photosynthesis?
A plant needs carbon dioxide and light energy in order to perform photosynthesis.
Commonly used equation for photosynthesis is: [tex]6CO_{2}[/tex] + [tex]6H_{2}O[/tex] → [tex]C_{6}H_{12}O_{6}[/tex] + [tex]6O_{2}[/tex]. This illustrates how light energy is absorbed by chlorophyll (implied by the arrow) to turn the reactants, six carbon dioxide molecules and six water molecules, into a sugar molecule and six oxygen molecules, the products.
Photosynthesis is a process by which the plants use light energy and carbon dioxide from the atmosphere to convert into glucose sugar and oxygen. Oxygen is required by every living organism to respire and live. Whereas, glucose produced is used by plants as their food constituent and is generally stored in the form of starch.
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4. What are the parent genotypes for pea seed color shown in this Punnett
Square?
Answer:
heterozygous and homozygous recessive
when a person eat were salt with water ?
Answer:
Salt is everywhere. It’s in our pantries and on our kitchen tables. It is present in most foods we eat and some beverages we drink. It is essential for our bodies to function properly. However, it also can be dangerous, or in some cases even deadly. Recently a mother in South Carolina made headlines for killing her 17-month old daughter—using just a teaspoon of salt. For many the reaction to the story was not only shock but questions about how that was even possible. “Salt poisoning is a real thing,” says Sherrie Pace with the Utah Poison Control Center. “There are dangerous salt ingestion practices demonstrated on the Internet that some people will follow, and they don’t understand the risk”
Which statement is true
a. Simple sugars
b. Glycerol is made of fructose
c. DNA molecules are made of nucleotides
d. Proteins are made of sugars
DNA is made up of nucleotides, so, the statement that DNA molecules are made of nucleotides is true. The correct option is c.
What is DNA?DNA is deoxyribonucleic acid and made up of nucleic acid. The genetic materials RNA and DNA are both composed of nucleic acid-based nucleic acids, whereas ribonucleic acid is found in RNA.
In addition, bases are linked by hydrogen bonds while DNA contains thymine and RNA contains uracil in place of thymine, all other bases are identical. All other options are incorrect regarding their composition.
Therefore, the correct option is c. DNA molecules are made of nucleotides.
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The hypothalamus is a brain structure that controls the endocrine system.
Please select the best answer from the choices provided
O T
O F
Answer:
the answer is True
Explanation:
The hypothalamus is the master switchboard. It's the part of the brain that controls the endocrine system. That pea-sized structure hanging below it is the pituitary gland. It's called the master gland because it regulates the activity of the glands.
A student claims that the processes of independent assortment and crossing over occurredduring meiosis and that meiosis produces diploid cells that have increased genetic variationwhich of the following is the best evaluation of the students claim?A. Incorrect- meiosis result in the production of multiple haploid cells that have no geneticvariation.B. Incorrect- Meiosis produces haploid cells that are unique as a result of independentassortment and crossing over.C. Correct-meiosis forms diploid cells with high levels of genetic variation that divide andgrow into a new Organism.D. Correct- meiosis has multiple divisions that uses independent assortment and crossingover to produce diploid cells.
The correct answer is B. Incorrect- Meiosis produces haploid cells that are unique as a result of independent assortment and crossing over. Meiosis is a special kind of cell division that has two cycles. As a result, chromosome load is reduced by half. Thus, diploid cells entering meioisis are converted in haploid cells. Although it is true that emergent cells from meiosisi will have a unique genetic configuration.
Jackie always knew she was the black sheep in her family, so she moved across the country to live on her own terms.
Which device of figurative language does the text in bold use?
Hyperbole
Metaphor
Onomatopoeia
Personification
Answer: It's B) Metaphor
Explanation: I got it right on my test
If an enzyme with an optimal pH of 6, was exposed to a pH of 9, how would this impact the enzymes function?
Each enzyme has an optimal range of pH and temperature beyond which the activity of the enzyme is reduced and at extreme conditions, the enzyme may even denature. Thus, at pH 9 the activity of the enzyme will slow down.
What are enzymes?Enzymes are the biocatalysts, which when added to a chemical reaction increases the rate of the reaction. These compounds bind with the substrate and form product however it remains unused during the reaction and hence with a small quantity of enzyme large amount of product can be formed.
Enzymes show highest activity at the optimal range of factors such as pH, temperature, and solvent available. Beyond this range, the enzymes show less activity and they may even denature at extreme conditions.
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Which statement applies to the axial skeleton not the appendicular skeleton?
The statement that applies to the axial skeleton not the appendicular skeleton is
E. It protects the heart and lungs. .
What is axial skeleton?An axial skeleton is a type of skeleton that consists of the bones of the head and trunk parts of the body. In the human skeleton, the axial skeleton consists of 80 bones and is composed of six parts i.e. the skull, ossicles of the middle ear, the hyoid bone, rib cage, sternum, and also the vertebral column. The axial skeleton in combination with the appendicular skeleton formed the whole skeleton.
The axial skeleton is the bones such as the vertebrae, sacrum, skull, ribs, and sternum. The appendicular skeleton is consist of the upper and lower extremities, which include the shoulder girdle and pelvis parts of the body. The appendicular skeleton includes shoulder girdle's bones, the bones of the upper limbs, pelvic girdle, and the lower limbs. So we can conclude that option A is the correct answer.
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Which statement applies only to the axial skeleton not the appendicular skeleton?
A. It contains a pivot joint
B. It has muscles attached that work in pairs
C. It contains red bone marrow
D. It possesses fossa for bone articulation
E. It protects the heart and lungs
Compare and contrast grade of meat to cut of meat.
The difference between a grade of meat and to cut of meat is that grade of meat is used to define the quality of meat whereas the cut of meat is used to describe the quantity of meat.
The grades given to meat by USDA are known as an image of high-quality, secure, and solid American hamburgers. Quality grades, inside the cattle generation industry, are utilized as a dialect to create trade exchanges simpler.
Utilizing this evaluating framework, producers, as well as customers, appreciate a few benefits. The USDA has made an add up to eight grades and as it were five grades of them and being made accessible within the showcase for customers.
Amid butchering, meat is, to begin with, separated into primal cuts, pieces of meat at first isolated from the carcass. These are fundamental segments from which steaks and other subdivisions are cut.
Diverse nations and cuisines have diverse cuts and names, and now and then utilize the same title for a diverse cut, e.g., the cut described as "brisket" within the US is from an essentially distinctive portion of the carcass than British "brisket".
"Cut" frequently alludes barely to skeletal muscle (some of the time joined to bones), but can too incorporate other consumable tissue, such as offal (organ meat) or bones without noteworthy muscles joined.
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Need this answered right away
Which of the following equations represents the right chemical process that occurs in photosynthesis? Question 14 options: A) Six molecules of oxygen plus six molecules of water plus light energy converts six molecules of carbon dioxide plus sugar. B) Six molecules of water plus six molecules of hydrogen plus six molecules of oxygen converts light energy plus sugar. C) Six molecules of carbon dioxide plus sugar plus light energy converts six molecules of carbon and six molecules of oxygen. D) Six molecules of carbon dioxide plus six molecules of water plus light energy converts six molecules of oxygen plus sugar.
Answer: D) Six molecules of carbon dioxide plus six molecules of water plus light energy converts six molecules of oxygen plus sugar.
Explanation:
- the equation for photosynthesis is:
6CO2 + 6H2O + light energy → C6H12O6 + 6O2
- C6H12O6 is glucose which is the sugar
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New data is found which goes against what scientists predicted should happen. Which of the following is NOT a potential result of the new research
The correct option is 1. Any of these are possible responses to new and unexpected data.
Research is a methodical process of inquiry that includes data gathering, documentation of important information, analysis, and interpretation of that data and information in accordance with appropriate procedures established by certain academic and professional disciplines. Research is the methodical and structured study of or collecting of data on a certain subject. An example of research is the effort being made by scientists to develop an AIDS cure. The material a high school student gathers for a report for class serves as an illustration of research.
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HELP!!
Due later!!
you're examining a population of mostly heterozygotes to determine if it has undergone evolutionary changes. you have the following counts. determine the frequency of the Aa allies.
The number of AA allies=40
The number of Aa allies=130
The number of aa allies=30
A. 0.45
B. 0.20
C. 0.65
D. 0.15
Answer:
0.45
Explanation:
WHY BECAUSE IT IS 49 ALLIES
bacterial fossils maybe present in which form
Answer:
Hollow or filled mineral crusts.
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Joshua needs to convert some sales data into charts for a quarter-end report. What would be the BEST software to do that?
Question 10 options:
word processing software
direct messaging software
spreadsheet software
video editing software
R is the allele for round seeds while r is the allele for wrinkled seeds. Y is the allele for yellow seeds and y is the allele for green seeds.In a cross of parents heterozygous for each trait (RrYy x RrYy), what fraction of the offspring are expected to have round green seeds?A) 1/16B) 9/16C) 3/16D) 1/4
We have two parents with RrYy genotype.
We can see the cross with a Punnett square, and look for the seeds with genotype RRyy or Rryy, which will produce round green seeds.
As we can see, 3/16 of the seeds will be round and green, which means C) 3/16 would be the right answer.
Nervous coordination transfers nerve impulse from one cell to another. Which option shows site for binding of chemicals involved in chemical synapse?
Nervous coordination transfers nerve impulse from one cell to another. Option 3 shows site for binding of chemicals involved in chemical synapse.
What is synapse?
The places of contact between neurons known as synapses are where information is transferred from one neuron to the next. Presynaptic neuron, synaptic cleft, and postsynaptic neuron are the three components of synapses, which most frequently occur between axons and dendrites.
One neuron releases neurotransmitter molecule into a tiny area (the synaptic cleft that is showed in 3) that is close to another neuron at a chemical synapse. Synaptic vesicles, which house the neurotransmitters, are tiny sacs that are then exocytotic ally discharged into the synaptic cleft. These molecules subsequently attach to the postsynaptic cell's neurotransmitter receptors. Finally, the action of the neurotransmitter is terminated by clearing the neurotransmitters from the synapse by one of several possible processes, such as enzymatic breakdown or re-uptake by certain transporters on the presynaptic cell or on neighbouring neuroglia.
Hence the correct option is 3 as shown in the figure
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Approximately, how many cells does an average adult human have?
The human body of an average person contains roughly 30 trillion human cells. Some data are more accurate and suggests 37.2 trillion cells.
Data on the immigration and emigration of a species would be most helpful in determining which of the following? A. Predator-prey relationshipsB. Biological magnificationC. Population of a speciesD. Interspecies competition
Data about immigration and emigration of individuals of a species' population are helpful to determine how big a population is in each space of its distribution since accounting for how many individuals left that group of individuals, and how many come to it, is useful to address if the population of a particular place is in an ecological equilibrium or not. This leads us to consider that the correct answer is the third one: C. population of a species. We can see an example of this in the following picture about migratory patterns of some bird species:
a scientist decided to test her hypothesis that male fiddler crabs come out morr often at dush rather than dawn. what would be the independs varible
The experiment's independent variable would be the proportion of females.
Male fiddler crabs are more busy at night than in the morning because they are looking for females to interact with.
What makes male Fiddler crabs want to attract females?Males wave their extended claw in the direction of women to entice them to have physical contact. When a female is ready for physical contact, she will emerge from her burrow and stroll among the waving men (her ovaries are ripe). Before choosing one as her partner, she visits other males (up to 24).
During a visit, the female approaches the male immediately, follows him into his burrow, stays there for a short while, and then emerges to carry on with her exploration.
The male emerges and gathers sand to block the burrow entrance five minutes after the female accepts him as her spouse. The woman then disappears into thin air.
He plugs it from the inside, burying the woman and himself in the process. She swings a bat at eggs.
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which is less resistant to decay?
A)LIGNIN
B)CELLULOSE
C)CHITIN
D)STARCH
Answer:
A) Lignin
Explanation:
Among the cellulose, chitin and lignin, lignin I'd resistant to decay, it is deposited on the cell wall of mature plant cells. Deposition of lignin leads to death of the cells. Xylem vessels and tracheids are composed of lignin.
Answer: To my understanding, Cellulose is the least resistant to decaying.
Explanation:
Cellulose decays in weeks or months.