PLEASE HELP BIOLOGY!!!

PLEASE HELP BIOLOGY!!!

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Answer 1
I suppose that you can choose C because it seems as if it is the most 'acceptable' answer. All of the answers are a little too vague but they aren't wrong. In this case, Organisms that are fit survive and reproduce would be your best option.

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Eukaryotic cells contain certain structures that perform specialized functions for the cell. What are these structures called? A. cells B. organs C. tissues D. organelles

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The answer is D - organelles. Organelles are essentially the cell's organs.

How does the fast blast dna stain work to make the dna visible to the naked eye?

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DNA fragments stained with Fast Blast DNA stain appear deep blue against a light blue background and are visible to the naked eye

If oxygen is not available to a muscle cell, pyruvic acid is changed to ____ and builds up in the muscle cell.

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The reduction of pyruvate forms a molecule called LACTATE.  When human muscle cells doesn’t consist enough oxygen to convert organic molecules into ATP through cellular respiration, then it is called LACTIC ACID FERMENTATION. Instead of entering the mitochondria and being converted to acetyl CoA, pyruvate is reduced an electron is given, which is also a product of glycolysis. 

Lactose is found in milk products it is converted by the body into usable forms in a series of chemical reaction .If enzyme 2 is denatured the level of wich substance will increase

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Lactose is found in milk products it is converted by the body into usable forms in a series of chemical reaction .If enzyme 2 is denatured the level of  Galactose increases 

Lactose is simply the sugar found in milk.

If enzyme II is denatured, the level of galactose will increase.

When we consume milk, first the lactose in the milk will be broken down into two forms of sugar.

GlucoseGalactose

However, only galactose is affected by denaturing enzyme II.

There are several factors that cause an enzyme to be denatured; one of them is an increase in temperature.

So, when enzyme II is denatured, its molecular structure changes, and it causes the level of galactose in the milk to increase.

Hence, the galactose increases when enzyme II is denatured.

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Compare and contrast the techniques of microscale and miniscale distillation in terms of efficiency of distillation. what are advantages of each

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Distillation is a process of separation of two liquids on the basis of their difference in the boiling points. There are two types of distillation process- Microscale distillation and miniscale distillation depending on the type of apparatus used for distillation.
In case of microscale distillation, microscale apparatus is used when the volume of liquid to be distilled is less than 5 ml. Whereas, in case of miniscale distillation, miniscale apparatus is used when the volume of liquid is more than  5 ml.
Hickman distilled head is used for microscale distillation whereas a bit larger vessels are used in miniscale distillation.
Micorscale and miniscale techniques have their own advantages. Both these techniques are cost effective, use less equipments and environmental friendly. Miniscale distillation is used yields more product which is easy to measure. Microscale distillation are difficult but it avoids large cumbersome distillation process and instruments.
Final answer:

Microscale distillation is efficient, quick and uses small amounts of material, making it ideal for research purposes. Contrarily, miniscale distillation, though requiring more time and energy, can process larger material volumes suitable for industrial applications. Both techniques offer their unique advantages and are used based on specific requirements.

Explanation:

When we compare microscale and miniscale distillation, we see that microscale is generally more efficient because it is faster and uses less material than miniscale distillation. However, the quantities produced are much smaller. On the other hand, miniscale distillation can handle larger volumes of material, but it requires more time and energy.

Microscale distillation is particularly useful in a research setting, where only a small amount of a substance might be available or where it is desirable to minimize waste. The smaller scale reduces the opportunity for contamination and loss, leading to potentially purer products.

Miniscale distillation, on the other hand, is better suited for industrial applications where large quantities of a substance are being refined. An example of miniscale distillation would be the distillation of crude oil in a oil refinery. The crude oil is heated at the base of a tall fractionating column, causing many components to vaporize and rise within the column. As they reach cooler zones, they condense and are collected as simpler mixtures of hydrocarbons that can be used as diesel fuel, kerosene, and gasoline.

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Which processes of drug response are most subject to genetic variation? select one:
a. rates of drug movement into and through the gastrointestinal tract
b. drug dissolution in body fluids and drug binding to plasma proteins
c. drug binding with receptors and drug blocking of receptors
d. drug activation or deactivation and duration of drug actions?

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The process of drug response most subject to genetic variation is drug dissolution in body fluids and plasma, also known as drug metabolism. This can be very dangerous because some substances can have a higher level of toxicity for people with a certain type of metabolism.

Middle layer of the wall of an artery or vein allowing it to withstand and modify blood pressure is

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The answer is smooth muscle

A nurse hears a client state, “i have had it with this marriage. it would be so much easier to just hire someone to kill my husband!” what action should the nurse take

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This nurse is technically a witness to a threat now. i dont think she should intervene but she should tell authorities and since shes a nurse she could find therapists(im probably no help)

Hey there,
From what I can understand,
I can tell that the couple is having a dispute among themselves. And most probably the cause is the husband. 
So the women can actually bring her client and seek help from the councilor to tell her problems or go to higher authorities like the police. This might help her to loosen her burden 
This is what I learnt 

Hope this helps :))

~Top

Two kinds of birds eat the same food and nest in the same area. These two species of birds are in _____?

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symbiosis I believe is the answer.
competition is the answer I'm almost certain 

WILL GIVE A BRAINLEST

Grasses can withstand the fires common to grasslands because grasses _____.


are full of moisture


store water in their leaves


grow thickly together


have extensive root systems

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D.) have extensive root systems.

Using what you've learned, propose some possibilities for how commensal species, in contrast to infectious species, might live with us in peaceful symbiosis. consider commenting on ways the immune system remains refractory to commensals, compared to pathogens. see grading rubric below.

Answers

Commensal bacteria are present in places that are exposed to the external environment (gastrointestinal, respiratory tract, vagina,mouth, skin). There bacteria live constantly with their hosts and only under specific conditions they are able to express pathogenic traits.
The immune system has mechanisms for tolerating these commensal micro-organisms but actively reacts with potentially pathogenic bacteria, inducing  the accumulation of regulatory T (Treg) cells.
This is why there is a symbiotic relationship between the host and the microflora

1. Would you expect endangered species to be more frequently generalists or specialists?

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Generalists are species that can thrive in many different kinds of environments and can feed on a varied diet. On the other hand, specialists require specific or special kinds of environments and diets for them to live, reproduce, and thrive. Because of their nature, specialists tend to less likely be able to adapt to changes in their environment. Inability to adapt would eventually lead to their deaths or their inability to reproduce, reducing the population of their species. Thus, endangered species are more frequently specialists. 

Disease and famine are two limiting factors that affect human populations. true or false

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Disease and famine are two limiting factors that affect human populations. TRUE.
I think it's true I might be wrong but I'm for sure

The area of a myofibril where actin filaments attach to one another is the

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the answer is the z line


WILL GIVE A BRAINLEST

Sharp leaves on the savanna trees protect them from _____.


fire


heavy rains


grazing animals


drought

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I think it is grazing animals because then the animals would get poked

your answer would be Grazing animals
Hope this helped

how many protons do carbon has

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it's 6 check google lol it works

Carbon has 6 protons!

What does ATP do for cells

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ATP, or adenosine triphosphate, acts as the 'energy currency' of the cell, releasing energy when its terminal phosphate group is removed. This energy powers cellular processes, including muscle contraction and active transport, such as the sodium-potassium pump in cell membranes.

ATP, or adenosine triphosphate, is often described as the "energy currency" of the cell. It plays a critical role in storing and providing energy for various cellular functions. ATP molecules hold smaller amounts of energy, which is released just in the right amount for work within a cell. The release of energy occurs when ATP is broken down, usually by the removal of its terminal phosphate group, and this energy is employed in several ways.

For instance, muscle cell proteins utilize the energy for contraction by pulling each other, and this is made possible when bonds in ATP break open, releasing energy. ATP is also essential in processes such as photosynthesis, where it provides the energy to build glucose. Similarly, ATP is critical in cellular mechanisms like the active transport work of the sodium-potassium pump in cell membranes, where it alters the structure of the pump's integral protein to move ions against their electrochemical gradients.

Overall, ATP is indispensable for the cell, as it safely stores energy and releases it as needed to perform various cellular tasks, acting much like a rechargeable battery to power the cell's activities.

The compound formed has a(n) ___________ bond and is a(n) _________________. A) ionic; crystalline solid B) covalent; amorphous solid C) metallic; crystalline solid D) covalent; crystalline solid

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the answer is A)ionic,crystalline solid
I believe .. A ionic and crystalline solid !

how can you get out of quick mud hurry quick 51 points

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Relax. Quicksand usually isn't more than a couple feet deep, but if you do happen to come across a particularly deep spot, you could very well sink quite quickly down to your waist or chest. ...Get on your back and "swim." ...Use a stick. ...Take frequent breaks. plz mark as brainliest :)
1. Drop anything you are carrying.
2. If your feet are stuck: sit down and lean back to distribute your weight.
3. Move your arms backward in a sweeping motion as if you were swimming.
4. When you get near the edge you can roll to the hard ground.

One of the liver's main functions is to detoxify potentially toxic substances. Given this information, which organelle(s) would you expect liver cells to have in abundance? Explain.

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Smooth endoplasmic reticulum would be abundant in liver cells because it detoxifies drugs and poisons from the body.

The organelles which are abundant in liver cells are endoplasmic reticulum helps liver to detoxify potentially toxic substances.

What is endoplasmic reticulum?

The endoplasmic reticulum (ER) is an intracellular organelle made up of a network of continuous membranes. The ER is highly active in protein modification, lipid metabolism, and xenobiotic detoxification in the liver.

Maintaining these complex processes necessitates meticulous control over the ER lumen environment as well as the ER volume.The endoplasmic reticulum can be smooth or rough, and its function is normally to produce proteins that allow the rest of the cell to function.

Ribosomes, which are small, round organelles that make proteins, are found in the rough endoplasmic reticulum. When those proteins are produced incorrectly, they can remain within the endoplasmic reticulum.

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Which state would most likely have the highest rate of chemical weathering?

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Probably Florida, not completely sure.

The state that would most likely have the highest rate of chemical weathering is Florida.

What is Chemical weathering?

Chemical weathering may be defined as a type of complete process that involves the gradual disintegration or breakdown of rocks. It also transforms their chemical properties. This process is accomplished when water interacts with minerals to create various chemical reactions.

This process of chemical weathering is found everywhere but the rate of this is actually high in moderate regions in the semi-arid and temperate humid zones. So, all such characteristics are well described by the state that is known as Florida.

Chemical weathering involves various chemical reactions including carbonation, hydrolysis, acidification, oxidation, and lichens. All such reactions definitely change the chemical composition of the minerals that compose it.

Therefore, the state that would most likely have the highest rate of chemical weathering is Florida.

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Your question seems incomplete. The most probable complete question is as follows:

Which state would most likely have the highest rate of chemical weathering?

Alaska.Texas.Florida.California.

An ameba a one-celled organism can move ingest and transport materials within the cell because it has what?

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The right answer is it has pseudopods (which are organelles in the cell).

An amoeba is a microorganism belonging to various groups of eukaryotic complex cells. In use of the term, amoeba actually refers to organisms that are members of many groups of amoeboid protists of different eukaryotic taxa. They are called amoebas because they do not have a stable form (hence the term amoeboid).

Amoebae move and feed on some kind of temporary members called pseudopods. They can attack other cells by phagocytosis.

Answer:

organelles

Explanation:

an ameba is a single celled eukaryotic organism, which has obviously one cell which has organelles. So the anwer would be organelles.

Current assessment findings for a client who is withdrawing from barbiturates are

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Barbiturate is a sedative drug that will cause central nervous depressant. In withdrawal, the symptoms would look opposite of the drug effect. The patient might be agitated and feeling restlessness. 
The patient might develop dangerous symptoms that need to be examined soon such as confusion or muscle twitching. If that happens, you need to notify the healthcare provider of the client's status.

How does the populations change over the course of generations?

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It grows , as well as the internet does.

11. Konrad Lorenz determined that (2 points) imprinting occurs during a critical period of development a baby goose will only imprint on its biological mother imprinting is reversible and temporary critical periods only apply to human development

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A) imprinting occurs during a critical period of development

I took this test :) you should gimme brainliest answer fam

Answer:

The answer for this is A.  imprinting occurs during a critical period of development

I took the test and got a 100% on it!

Explanation:

Have a great day guys!!!!!

Why were you able to see the dna after adding ethanol? what chemical process led to the visible masses of dna?

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The chemical process is called precipitation. 

Usually, a combination of salt and ethanol are added to a solution in order to allow the DNA to precipitate or come out of solution. 

Polar molecules are those with uneven distribution of charges in their structure, which gives them partial positive and partial negative parts in their structure. In general, the rule in solubility is "like dissolves like," which means that polar or charged solutes can dissolve in a polar solvent. Ionic and polar solutes which are "attracted" to and dissolve in water are called "hydrophilic" (water-loving), while nonpolar solutes, which do not dissolve in water are called "hydrophobic" (water-fearing or hating). 

DNA has a sugar-phosphate backbone in its structure. The phosphate (PO3-) groups of the backbone are negatively charged. Water, being a polar molecule (with the oxygen end being more negatively charged, and the hydrogen ends being more positive), can interact with the negatively-charged phosphate groups of the DNA and allow the DNA to dissolve in water. 

When salt (usually sodium acetate) is added, the positive ions of the salt (e.g. Na+ for sodium acetate) interact with the negatively-charged ends of the phosphate groups (PO3-) in the sugar backbone. This "neutralizes" the charges of the negatively-charged phosphate groups. As a result, the amount of water molecules able to interact with the phosphate groups diminishes, and this lessens the solubility of the DNA. 

However, because water has a relatively high dielectric constant (index of polarity), it would be fairly difficult for the Na+ ions to interact with the PO3- groups. Adding the ethanol, which has a lower dielectric constant than water, makes it easier for the Na+ ions to come together with the PO3- groups, and shields it charge from the water molecules. This makes the DNA molecules less hydrophilic and less soluble. As a result, the DNA molecules come out of solution (through a process called precipitation). 

The intestinal phase of digestion involves both the intestinal reflex and the release of two primary hormones: _______ and secretin.

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I'm pretty sure its gastrin

Is it possible for two alleles to produce four phenotypes?

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Yes the multiple alleles produce more than three phenotypes.

Yes, two alleles can contribute to multiple phenotypes through multiple allele inheritance and dominance hierarchies, allowing for a variety of phenotypic expressions beyond the simple dominant-recessive relationships originally described by Mendel.

It is possible for two alleles to contribute to multiple phenotypes if there are dominance hierarchies among multiple alleles at a single gene locus. This is known as multiple allele inheritance.

When discussing multiple alleles in a population, it is important to note that while an individual organism can only have two alleles for a gene (one from each parent), a population may have many alleles for a single gene. Some alleles might be dominant, others recessive, and some may even show incomplete dominance or co-dominance.

In the case of a gene with four different alleles, these can interact in various ways to produce a spectrum of phenotypes. For example, in rabbits, the coat color is determined by multiple alleles of the c gene. The wild-type allele is dominant to all other alleles, chinchilla is incompletely dominant over the Himalayan and albino alleles, and so forth. Therefore, the phenotype of progeny resulting from crosses between any pair of the four mutants will depend on the dominance hierarchy of these alleles.

To answer the original question, two alleles can influence more than two phenotypes if there are multiple alleles at the population level and varying dominance relationships among those alleles.

This element has similar chemical properties as oxygen more protons than neon but fewer than argon

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The element is SULPHUR.
Sulphur has similar chemical properties as oxygen because the two of them are in the same group. Sulphur has more protons than neon because, sulphur has 16 protons while neon only has 10. Sulphur has fewer proton than argon because sulphur has 16 protons and argon has 18 protons.

The element described is fluorine (F), with similar chemical properties to oxygen, more protons than neon, and fewer than argon, being highly electronegative and reactive.

The student is asking about an element that has similar chemical properties to oxygen, more protons than neon but fewer than argon. The element in question would be fluorine (F), which has an atomic number of 9. Like oxygen, fluorine is highly electronegative and tends to form negative ions by gaining an electron to complete its valence shell, achieving a stable electron configuration akin to neon. Fluorine has one more proton than neon (Z=10) and is one element prior to neon in the periodic table, making it a member of the halogens, which are known for their high reactivity and tendency to form compounds by gaining electrons. Argon (Ar), with an atomic number of 18, has a complete octet of outer-shell electrons and is a noble gas, chemically inert with rarely forming compounds.

The centrosomes replicate in what phase

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S phase of interphase where the DNA replication takes place.
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