PEASE HELP PLEASE!? List and describe the substrates and products of TCA cycle

Answer:

heterozygous and homozygous recessive

Answer:

Hollow or filled mineral crusts.

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:

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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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.

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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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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The statement that applies to the axial skeleton not the appendicular skeleton is

E. It protects the heart and lungs. .

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

The human body of an average person contains roughly 30 trillion human cells. Some data are more accurate and suggests 37.2 trillion cells.

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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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.

The acceleration of the person in 10.4 seconds will be 0.5 m/s².

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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Answer:

0.45

Explanation:

WHY BECAUSE IT IS 49 ALLIES

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”

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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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.

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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Answer: It's B) Metaphor

Explanation: I got it right on my test

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.

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.

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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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.

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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Answer:

skinner

Explanation:

DNA is made up of nucleotides, so, the statement that DNA molecules are made of nucleotides is true. The correct option is c.

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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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.

Fatty acid tails makes lipids/fats hydrophobic and not mix with water.

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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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:

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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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.

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.

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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