What does "highly variable" mean in microbiology?

Answers

Answer 1

Answer:

Highly variable genes are genes that differ among different species. The variable regions are used for identification.

Explanation:


Related Questions

A student wonders whether removing the nucleus from a cell would result in a new prokarytic cell. Why would this procedure fail to produce a prokaryotic cell

Answers

The cell would lack genetic information.

Answer: Yes the cell would lack genetic information

Explanation:

Thursday/Friday:
(Read and write/answer question in yellow)
A student wants to test if giving dogs a toy to play
with makes their tail wag more. He gives dog toys to
one group, while another group of dogs does not
get any toys. He counts the number of times each
dog wags their tail.
What is the Independent Variable?(tested) The
Dependent Variable?(measured)
Yes

Answers

Answer:

I/V = giving the dogs toys

D/V =  how many times the dogs wag their tails

Explanation:

dependent variable DEPENDS on the independent variable. If he gave a dog a toy and their tail wagged, he made that happen by giving the dog a toy, which is the independent variable because he made that happen, by changing the circumstance aka the independent variable aka the toys!

What was the result of the overhunting of sea otters along the Pacific Coast?

The sea otters on the Pacific Coast went extinct.
The sea urchin population expanded and consumed the kelp and damaged the habitat.
The sea urchin population was reduced to dangerous levels.
The kelp grew rapidly and created new habitat for fish.

Answers

Answer:

The sea urchin population expanded and consumed the kelp and damaged the habitat.

Explanation:

Sea otters prey on sea urchin and keep their population under control. Without sea otters, the sea urchin population cannot be kept in check and they will over consume kelp.

Devastating effects resulted from the excessive sea otter hunting around the Pacific Coast. Because sea otters are a keystone species in the ocean, they have an outsized impact on their surroundings. They eat kelp forests, which in turn eat sea urchins.

What happened without the sea otters ?

Without sea otters to control their numbers, the sea urchin population grew and ate up the kelp, harming the environment. Fish depended on the kelp forests for cover, hence this led to a drop in the fish population. The sea otter species came dangerously close to extinction as a result of the rapid population fall.

The government has designated sea otters as a species of special concern in the United States, so this was very alarming.done action to safeguard them. The Pacific Coast environment was affected by the sea otter population collapse, which also had an impact on the fish population and kelp forests.

The overhunting of sea otters has led to the implementation of many conservation initiatives. Reintroducing sea otters to the Pacific Coast is one such initiative.

By lowering the sea urchin population and enabling the kelp to regenerate, this has helped to restore the ecosystem's equilibrium. In order to safeguard the species and assure its survival, the government has also imposed limitations on the hunting of sea otters.

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The FRAP technique occurs in a series of steps. Select every statement that correctly describes a step in the FRAP procedure.A. The speed of repair of the fluorescent marker is measured.B. All fluorescent molecules in the cell are irreversibly bleached.C. The relative mobility of the fluorescently labeled molecule is measured.D. The molecule of interest is fluorescently labeled.

Answers

Answer:

The answer is "Option C and Option D"

Explanation:

FRAP is used only for protein motion management.  It travels throughout two dimensions in the plasma membrane. It includes many available-moving or immobile proteins.  This technology uses globally marked fluorescent bleaching products, and also includes the fluorescent proteins, but one particular area is washed.  

Its protein arc changes are detected by fluorescence reappearance. The fluorescence reappears at a certain stage if the protein can move freely. When the proteins aren't able to move quickly, fluorescent dyes are recovered after a little period, and fluorescence would not resurface during that point if the enzyme is immobile.

If each new cell made after mitosis is _______ to the original "mother" cell. This means that skin cells can replace dead, dying, or damaged skin cells when needed.

Answers

My answer to the question is copied or replicated.,and then divided to the chromosome

what are the biological important of tomatoes​

Answers

Answer:

They protect heart health

Tomatoes contain an antioxidant called lycopene, which is responsible for their red color. Research suggests that in terms of heart health benefits, it's more effective to eat tomatoes and tomato products than take lycopene supplements

Explanation:

Tomatoes are the major dietary source of the antioxidant lycopene, which has been linked to many health benefits, including reduced risk of heart disease and cancer.

They are also a great source of vitamin C, potassium, folate, and vitamin K.

Usually red when mature, tomatoes can also come in a variety of colors, including yellow, orange, green, and purple. What’s more, many subspecies of tomatoes exist with different shapes and flavor.

Which stage of the cell cycle can lead to uncontrollable reproduction in mutated cells? (2 point)
O G2
O G1
O S
O M

Answers

I think it’s.... Stage S

what type of fruits is okro​

Answers

Answer:

Okro is also known as Lady - Fingers

Okra, a staple of Southern cuisine, appears to be a vegetable at first glance. However, the plant's pods, the part that you eat, contain seeds, making it a plant.

Drew observed in an experiment that algae in a nearby lake could be found at six meters below the water's surface on a clear day. On a cloudy day, Drew noted that the algae sat only one meter below the surface of the water. What was the dependent variable in Drew's experiment? the lake that Drew observed the depth at which Drew found the algae the amount of algae measured the sky conditions on a particular day

Answers

Answer:

The depth at which Drew found the algae

Explanation:

The dependent variable was the depth at which he found the algae, because that is what he measured on each day.

The independent variable was the sky conditions, since that changed from clear to cloudy, which impacted the dependent variable/the depth of the algae.

What are two specific examples of where this division occurs in nature?

Answers

Answer:

There are two types of cell division: mitosis and meiosis. Most of the time when people refer to “cell division,” they mean mitosis, the process of making new body cells. Meiosis is the type of cell division that creates egg and sperm cells.

Explanation:

hope this  helps you.

What happened in the 1980’s with environmental laws and regulations because some people claimed that the laws and regulations were hurting the economy?

Answers


Environmental regulations remain deeply contested and cause concern for some that the costs will simply be too high. ... Furthermore, these benefits outweigh the cost. The outdated traditional view pits the environment against the economy, inferring that regulation is detrimental to economic prosperity.

Environment laws were stricter in the 1980s. Thus, people contested them saying that this will increase inflation.

What are environmental laws?

Several environmental laws have been adopted over the last five decades in the United States. These laws have resulted in dramatic effects on the air and water quality of the nation. These have also reduced the exposure of people to toxic chemicals.

Various generations of the American public have benefitted from the legacy of leadership that has taken environmental issues as their primary priority. The benefits achieved by these laws and efforts have been controversial, to say the least.

Some of these laws have resulted in the utilization of huge amounts of public funds. Because of the misconception of a large number of the public that environmental issues are not serious or real, people believe that spending huge sums of money on environmental issues is a waste of a form of corruption.

Therefore, because the environmental laws were stricter in the 1980s, people contested them saying that this will increase inflation.

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What characteristics of organisms does the Linnaean system of classification use to give organisms their specific name?

A. genetic
B. evolutionary
C. environmental
D. physical

Answers

Answer:

D, Physical

Explanation:

Linnaean classification uses visible physical features. It has a kingdom-to-species taxonomy. Each species has a distinct two-word Latin name. Therefore, option (D) is correct.

What is Linnaean system of classification?

The Linnaean system classifies organisms according to their outward morphological and behavioural similarities. A hierarchy of taxonomic levels, from the kingdom down to the species, makes up this structure. A distinct, two-word Latin name is bestowed for each and every species.

Carl Linnaeus, the "Father of Taxonomy," named and organised species. His hierarchical categorization scheme and binomial nomenclature system were major advances to taxonomy (two part naming method). The Linnaean system organises organisms into Kingdom, Phylum, Class, Order, Family, Genus, and Species. Latin names are global. A species' scientific name includes its genus. Italics or underlining cover the name. Humans, for instance. It's Homo sapiens.

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biogechemical cycles on earth serve on earth serve a variety on different purpose. what do the biogechemical cycles have in common

Answers

Answer:

Son procesos naturales que reciclan elementos en diferentes formas químicas desde el medio ambiente hacia los organismos, y luego a la inversa. Agua, carbón, oxígeno, nitrógeno, fósforo y otros elementos recorren estos ciclos, conectando los componentes vivos y no vivos de la Tierra

Explanation:

Explain why ecological succession occurs.

Answers

Ecological succession occurs due to the changes in physical environment and population of species. In an ecosystem, a species requires a particular set of environmental conditions under which they grow and reproduce.

Ecological succession occurs due to the changes in physical environment and population of species. In an ecosystem, a species requires a particular set of environmental conditions under which they grow and reproduce.

What is an Ecological succession?

Ecological succession is the process by which plant communities develop over a period of time on the land where there was no vegetation.

The succession begins with a pioneer species such as lichens, some fungi species. Species such as lichen begins to secrete acids that begin to break the barren land into small particles.

The small particles mix with lichen remains and starts soil formation.

Thus, Ecological succession occurs due to the changes in physical environment and population of species.

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For the following question, which is the best hypothesis "Does exposure to radon (a source of natural radiation) in your home cause an increased risk of cancer?"


Everyone who is exposed to radon will die from cancer.

People should not risk exposure to radon!

Cancer may be caused by many different factors, including exposure to radiation, chemicals and too much stress in a person's life.

I am immune to cancer because there is no history of cancer in my family.

People who have been exposed to radon have an increased rate of cancer, as compared to people who have not been exposed.

Answers

Answer:

People who have been exposed to radon have an increased rate of cancer, as compared to people who have not been exposed.

Explanation:

Hypothesis of an experiment is a testable explanation or a suggested solution that aims to answer a question asked or solve an observed problem. The hypothesis must be able to be tested via experimentation and must not be true. A good hypothesis should include the independent and dependent variables in it.

For the problem/question asked in this experiment that: Does exposure to radon (a source of natural radiation) in your home cause an increased risk of cancer?"

The best hypothesis that provides a testable answer to this question is: People who have been exposed to radon have an increased rate of cancer, as compared to people who have not been exposed.

From the above hypothesis, we can see that it contains the independent variable, which is exposure to radon, and the dependent variable, which is cancer rate

People who have been exposed to radon have an increased rate of cancer, as compared to people who have not been exposed.

Mutations are alterations in the DNA (nucleotide) sequence of the genome of an organism.

Cancer is a multifactorial disease that is associated with mutations in DNA.

Radon is a mutagenic agent that increases the risk of mutation leading to cancer.

In conclusion, people who have been exposed to radon have an increased rate of cancer, as compared to people who have not been exposed.

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Which describes a group of organisms that are members of species

Answers

Can you include a photo please?

Which of the following processes do not take place in the mitochondria? a) citric acid cycle b) conversion of pyruvate to activated acetyl groups c) oxidation of fatty acids to acetyl CoA d) glycogen breakdown

Answers

Answer:

D

Explanation:

The breaking down of glycogen-glycogenolysis takes place in the cytosol of cells of the liver and muscles.it is the compensatory process for providing glucose depleted cells with extra glucose. It is the opposite of Glucogengenesis the formation of glycogen in cells.

it involves the activities of enzymes glycogen phosphorylase which catalysis the removal of alpha1-4glycosidic bonds from the glycogen molecules.Thus freeing the glucose molecules from the glycogen while retaining the 1-6 glycosidic bonds.

Its stimulation is by  epinephrine hormone.while  the hormones glucagon from the pancreas control its release into the blood stream,Thus the low levels of glucose in the blood stream caused glucagon to initiate  the breakdown of glycogen in the liver and muscles down to glucose.As the level of this rise in the blood stream Insulin stimulates the entry of the glucose into the cells reducing the levels of blood glucose,inhibiting glucagon levels ,and therefore stopping Glycogenolysis.

Sedimentary rock is converted into metamorphic rock with the addition of
A.nuclear energy
B. Kinetic energy
C. Potential energy
D. Heat energy

Answers

D. Heat Energy


Sedimentary rock is converted into metamorphic rock with exposure to heat, pressure, heated mineral solutions, or a combination of any of them.
D. Heat Energy

When sedimentary rocks are buried deep beneath the earth’s surface, great pressure and tremendous heat change these rocks into new rocks containing different minerals. These are metamorphic rocks.

Bread and pasta are carbohydrates commonly consumed by people what chemical feature of carbohydrates makes them necessary food?

Answers

Answer:

It gives the body energy and calories

What phenomenon is observed due to adhension

Answers

Adhesion is the tendency of dissimilar particles or surfaces to cling to one another (cohesion refers to the tendency of similar or identical particles/surfaces to cling to one another). The forces that cause adhesion and cohesion can be divided into several types.

Which is true about visible light?
A. It travels fastest through a medium, such as water or air.
B. It is the only part of the electromagnetic spectrum that
we can see.
C. It cannot travel through a vacuum.

Answers

Answer:

B

Explanation:

Light travels through medium but is fastest through vacuum, so C is wrong, and A is wrong. B is the correct answer.

Answer is B because light travels through medium

What characteristics of life distinguishes a fire and a flowering plant?

Answers

Oxygen is the common characteristic which helps fire to burn and a flowering plant to live on earth. When oxygen combines with a suitable chemical, it releases energy in the form of heat.

How many amino acids must be obtained in the diet because they cannot be made by the body?
O 2
O 5
O 10
O 20

Answers

The answer would be 10. Its also mentioned on a quizlet flash card. Hope this helps

Answer:

C

Explanation:

Edge 2021 did the quiz and got 100%


Minos, king of Crete, had made war upon Athens. He had come with a great fleet of ships and an army, and had burned the merchant vessels in the harbor, and had overrun all the country and the coast even to Megara, which lies to the west. He had laid waste the fields and gardens round about Athens, had pitched his camp close to the walls, and had sent word to the Athenian rulers that on the morrow he would march into their city with fire and sword and would slay all their young men and would pull down all their houses, even to the Temple of Athena, which stood on the great hill above the town. Then Aegeus, the king of Athens, with the twelve elders who were his helpers, went out to see King Minos and to treat with him.

–“The Cruel Tribute,”
James Baldwin

Which detail from the passage creates the most suspense for the reader?

“Minos, king of Crete, had made war upon Athens.”
“He had laid waste the fields and gardens round about Athens.”
“Then Aegeus, the king of Athens . . . went out to see King Minos and to treat with him.”

Answers

Answer:

“Then Aegeus, the king of Athens . . . went out to see King Minos and to treat with him.”

Explanation:

just took the test

It is likely that the detail that creates the most suspense for the reader is "He [Minos]  king of Crete, had made war upon Athens.”

What was the confrontation between Minos and Athenian ruler?

It is likely that the detail that creates the most suspense for the reader is "He [Minos] had sent word to the Athenian rulers that on the morrow he would march into their city with fire and sword and would slay all their young men and would pull down all their houses, even to the Temple of Athena, which stood on the great hill above the town."

This detail implies that the confrontation between Minos and the Athenian rulers will be violent and destructive, and the reader may be left wondering what will happen as a result. Additionally, the fact that Minos has already laid waste to the surrounding area and burned the merchant vessels in the harbor suggests that he is a formidable and potentially dangerous opponent, further increasing the suspense for the reader.

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Which of these molecules would you least expect to easily dissolve in water?a. sucrose b. potassium chloride c. acetone d. 2-methylpropane e. acetic acid

Answers

Answer:

D. 2-methylpropane

Explanation:

The ability of a substance to dissolve in water is dependent on whether the molecules of the substance are polar or non-polar . Since water is a polar molecule, polar molecules readily dissolve in it in accordance with the principle of "like dissolves like".

Sucrose is a polar molecule since like water, it has bonds between electronegative oxygen, and electropositive hydrogen. Thus, it dissolves in water.

Potassium chloride is an ionic and hence polar molecule. It readily dissolves in water.

Acetone is a polar molecule due to the polar nature of the carbon-oxygen double bond in the molecules. Thus, it easily dissolves in water.

2-methylpropane is a non-polar molecule. The C-H bonds present in its molecules are non-polar, so it does not readily dissolve in water.

Acetic acid is a polar molecule due to carbon-hydrogen bond as well as oxygen-hydrogen bond. It readily dissolves in water and forms hydrogen bonds with water molecules.

Which feature of model 1 best illustrates how biological information is coded in a DNA molecule?


The 5′ and 3′ labels at the ends of each strand

The 5′ and 3′ labels at the ends of each strand
A

The labeling of the hydrogen bonds between base pairs

The labeling of the hydrogen bonds between base pairs
B

The lines connecting sugars and phosphate groups that represent covalent bonds

The lines connecting sugars and phosphate groups that represent covalent bonds
C

The linear sequence of the base pairs

Answers

Answer:

The correct answer is - option C. The linear sequence of the base pairs .

Explanation:

The double helix structure is presented in the model which exhibits the two major and important characteristic of the DNA molecule. The first major property of the double helix model shows that each strand of the molecule acts as a template for the creation of the complimentary strand.

The second  major property is that the genetic information can be be store in the linear sequence of the nucleotide or the base pair along with the backbone of the molecule.

Thus, the correct answer is - option C. The linear sequence of the base pairs .


WILL GIVE BRAINILY

Answers

Answer:

You need to make a graph of this data that is given to you.

Explanation:

PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!

Answers

Answer:

Fault H, then layer G and F

Explanation:

The fault H first because the layers are deformed , which means the rocks accumulated on the fault under pressure.

Stem cells renew tissues but are all lost in childhood.a) trueb) false

Answers

Answer:

False

Explanation:

Stem cells are different type of cells in human body that can develop into different other body cells like muscles cells or brain cells and they gave the capability to renew themselves through mitotic cell division.

Stem cells are not lost in childhood but can be use to treat diseases or infection, it can be use to grow new cells and replace damaged body cells.

The excerpt is from an article that Roberto read for science class called “Using the Scientific Method to Study Tomatoes.”

The student performed an experiment to test his hypothesis about sunlight and plant height using two plants. He kept everything the same between two tomato plants except he exposed them to different amounts of sunlight. He also used a third plant as a control group, or a group in which no variables are manipulated to confirm the results.
Roberto critiqued the work. Which problem did Roberto most likely identify?
The sample size is too small.
Too many variables are manipulated.
It is not possible to keep the conditions the same.
Controls should only be used in studies of animals.

Answers

Answer:

The sample size is too small.

Explanation:

The process of elimination helped me find this answer.

It is possible to keep the conditions the same.

there are only 2 plants and one control, that's obviously not a lot.

and controls can be used on more than studying animals.

When using the scientific method you can use as many test subjects as you can so it can help you confirm. two plants are not a lot.

I've also had a teacher confirm that this is the correct answer.

edge 2020

The problem that Roberto most likely identify is the sample size is too small. The correct option is A.

What are scientific methods?

Scientific methods are a series of methods that are done to extract correct and logical results. The method includes making a hypothesis, going through the process of calculations, making a conclusion, and then the result.

Roberto is studying the growth of tomatoes under sunlight. The hypothesis is that sunlight affects the height of the tomatoes. He took plant samples, but the study took time because the plant samples were too small. So taking the right size of plants is very necessary otherwise the whole study will do in vain.

Thus, the correct option is A. The sample size is too small.

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