Which of the following is a function of proteins?
(2 points)
repairs body tissue
speeds up chemical reactions
prevents infections & illness
all of the above

Answers

Answer 1
all of the above i think

Related Questions

Scientific knowledge is always changing. At one time, the kingdom was the
highest level of
classification. Today, the highest level of classification is the domain. Two of
the domains, Bacteria and Archaea both contain microscopic prokaryotic
organisms. What would be the best reason for scientists to separate the
prokaryotes?
A)There were too many species of prokaryotes to only have 1 domain for them.
B)It was determined that neither have chloroplasts.
C)Both organisms do not contain organelles.
D)Research showed differences in living environments.

Answers

Answer:

d

Explanation:whater

Research showed differences in living environments is the best reason for scientists to separate the prokaryotes. Therefore, option (D) is correct.

What are prokaryotes?

The organisms known as prokaryotes lack a nucleus and other organelles in their cells. There are two distinct groups of prokaryotes: the archaea and bacteria, both of which are thought to have evolved along distinct evolutionary lines.

Prokaryotic organisms or prokaryotes are organisms that lack a true nucleus and membrane-bound cell organelles. Mycoplasma, cyanobacteria, and bacteria are all examples of prokaryotes.

A prokaryotic cell carries out every one of the fundamental roles that an ordinary cell performs. Reproduction, respiration, digestion, and other biological processes are among their capabilities.

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When the environment favors extreme types in a population at the expense of
intermediate forms, this is an example of which category of natural selection?

Answers

Answer:

Disruptive or Diversifying selection

Explanation:

occurs when natural selection favors both extremes of continuous variation. Over time, the two extreme variations will become more common and the intermediate states will be less common or lost.

What will be the effect of the damaged DNA? The role of p53 in regulating cell cycle prpgression in response to DNA damage

Answers

Answer:

Damaged DNA causes an increase in the number of mutations in the cell: this is extremely dangerous for the body and in fact this process is at the basis of the birth of cancer cells.

To avoid this, the cell is equipped with some molecular protective systems including the activation of the p53 protein. p53 induces recruitment of DNA damage repair systems and stops cell replication until the damage has been repaired. If the damage cannot be repaired p53 induces cell death through apoptosis

Five general characteristics of organisms in kingdoms plantae or fungi are listed in the box.
(24)

Answers

The answer is C


Hope this helps

The figure C represents Five kingdom classification.

What is Five kingdom classification?

The system of biological kingdoms is the way in which science classifies living things according to their ancestry over the course of evolution.

This means that all the species that make up these five large groups - some recent theories split them further into six or even seven - have common ancestors and therefore share some of their genes and belong to the same family tree.

As well as the kingdoms of living things there are other taxonomic categories within the same classification system such as, for instance, domain, phylum, class, order, family, genus and species.

Therefore, The figure C represents Five kingdom classification.

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5 Based on what you read, do you think communities should keep investing in
hydroelectric dams and wind turbines? Do the benefits of these power sources
outweigh their problems? Explain your answer, using details from both texts.
I

Answers

I can't be completely accurate without the texts, but based on my own knowledge I would have to say:

Explanation:

Yes, I think communities should use these green energies because not only does it keep the atmosphere safer and cleaner, it could help tremendously in the case that we run out of fossil fuels before we can find an alternative. Yes there are environmental risks, such as birds dying from wind turbines, but the lack of electricity might be more severe.

1. Which of the following is NOT correct? PLEASE HELP I WILL MARK BRAINLIEST

A) A population is all the organisms of the same species that live in the same area
B) A community is all the populations of different species that live together in the
same area
C) A population is all the populations of different species that live together in the same area
D) An ecosystem is all of the living and nonliving things in an ares

Answers

a population is all the populations of different species that live together in the same area is the incorrect one

What cell part supports the structure of the system plant cell

Answers

Answer:

The cell wall provides strength and support to the plant, much like the exoskeleton of an insect or spider (our skeleton is on the inside of our body, rather than on the outside like insects or spiders). The plant cell wall is mainly made up of the carbohydrates molecules cellulose and lignin.

Explanation:

learned this last year

If purple flowers are dominant to white flowers, and a heterozygous purple flower is crossed with a white flower, what is the probability that an offspring will be white? (Hint: draw a Punnett Square). Rr x rr

50%
25%
100%
75%
which one ^

Answers

A heterozygous Purple (Pp) mated with a white (pp) flower will result in a 2:2 Purple (Pp):White (pp) progeny

Algae produce food by the process of....?

Answers

Answer:

Photosynthesis

Explanation:

9
Select all the correct answers.
Based on these images, what can you conclude about the organisms?
C
C
Organism 1 Organism 2
Organism 3
Organism 4

Answers

If I remember them correctly, the organisms are a fish, a reptile a bird and a human during embryonic development. B & D are the correct answers.

Answer:

b d

Explanation:

Give 3 examples of convection currents in nature
Mechanism of Energy Transfer Requires direct contact? Requires a medium?
Conduction yes

Convection

Radiation











IMA GIVE BRAINLIEST!

Answers

Answer:  

1.Radiator

2.Steaming cup of hot tea

3.Ice melting

Explanation:

1.Puts warm air out at the top and draws in cooler air at the bottom.

2.The steam is showing heat being transfered into the air.

3.Heat moves to the ice from the air. This causes the melting from a solid to liquid.

Explanation:

The by-product of photosynthesis is nitrogen ?
O True
O False​

Answers

Answer:

flase

Explanation: photosynthiesis is oxygen and carbon dixocide

Answer:

false

Explanation:

The byproduct of photosynthesis is oxygen not nitrogen

PLZZZ HELP ASAP DUE TMR THX

Answers

Answer:

I'm not rlly sure but i think the bigger animal ate the smaller one because after  there are no more steps of him (the smallest)

Explanation:

Which are true about changes in carbon dioxide in the Earth's atmosphere since 1860? Select the two correct answers.

A. The increases in carbon dioxide are caused by human activity.
B. The increases in carbon dioxide can be explained by the Milankovitch cycle.
C. The rate of change in carbon dioxide is exponential.
D. The changes are triggered by a new interglacial period.

Answers

Answer:

A and C

Explanation:

A. because when we humans are burning maybe our refuse or garbage it will go up to the ozone layer causing air and then it will then result to carbon dioxide.

Which of the following does not act as an agent for transporting sediment? O A. Strata B. A light breeze C. Stream water D. A glacier​

Answers

Answer:

A.Strata

Explanation:

A strata is covering or layers

Answer:

strata

Explanation:

a p e x

What is a molecule in your own words?

Answers

Answer:

A molecule is two or more atoms bonded together to form a single chemical entity.

what is segregation in biology​

Answers

Segregation describes how pairs of gene variants are separated into reproductive cells

Answer:

Segregation is the separation of allele pairs (different traits of the same gene) during meiosis so that they can transfer specifically to separate gametes.

Explanation:

hope this is helpful! have a wonderful day ! God Bless you and your family <3

After a devastating forest fire, the surrounding area contained no life. After some time, small plants began to grow along the remaining soil.

Answers

Answer:

Yes.

Explanation:

Yes, small plants began to grow along the remaining soil because of the presence of seeds in the soil that sense suitable environmental condition and come out of the soil. The ashes of burn trees have huge amount of nutrients in the form of minerals that triggers the growth of small plants. After the destruction of forest, new plants grow on that land, this type of phenomenon  is called ecological succession.

Answer: CORRECT (SELECTED)

Secondary succession

Explanation:

Secondary succession occurs when a previously occupied area is recolonized after a disturbance kills most, or all, of its community.

Which enzyme breaks down cannabis?

CYP1A5

ALDH

CYP2D6


CYP3A11

CYP2A4

Answers

Answer:

I believe it is either CYP2C9 or CYP2D6 that breaks down cannabis.

The graph below represents the number of brown and green beetles collected in a particular ecosystem.

what is the change observed in the number of green and brown beetles in the population most likely due to?

A) natural selection

B) gene mutation

C) a common ancestor

D) selective breeding

Answers

Answer: A) natural selection

Explanation:

took the test:) hope this helps

Plz I really need help I don’t know what to write
Kai has a see-through glass tank with air, plants, and animals that eat
those plants. He sealed the tank so no material can get into or out of it,
but light can get in when the tank is not covered.
The light for the tank has been on all day, and Kai measured the carbon
in the air and found that it is decreasing. How is carbon moving between
the air and the living things in
the tank? What is happening to the amount
of carbon in living things?
Just tell me those two questions plz help me I will give you my points I swear plz help me I beg you

Answers

Simple answer is that the plants are conducting more photosynthesis than all the organisms in the tank are carrying out cellular respiration. This would be why the carbon (CO2) levels are decreasing. They are being incorporated into the plant as sugars.

The amount of carbon is captured by plants to perform photosynthesis as a light for the tank has been on all day and prepare their own food. The product of photosynthesis is consumed by other organisms to perform cellular respiration.

What are the components of photosynthesis?

The components of photosynthesis may include carbon dioxide, water, and sunlight as raw materials to convert into glucose (a food molecule).

The amount of carbon will not remain the same for the entire time in the living organism. The cycling of carbon is processed synergistically during photosynthesis and cellular respiration.

Living things in the tank respire out carbon, which is taken up by plants for photosynthesis, a product of photosynthesis are the reactants for cellular respiration. In this way, carbon delocalized among the living entities.

Therefore, it is well described above.

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Name two types of proteins that regulate the cell cycle. How do these proteins work?

Answers

Answer:

Internal and external regulators are two types of proteins that regulate the cell cycle. Internal regulators allow the cell cycle to proceed only after certain events occur. External regulators speed up or slow down the cell cycle.

Explanation:

I hope this helps :)

The two types of proteins that regulate the cell cycle are Cyclins and Cyclin-dependent Kinases (CDKs). These two groups of proteins are responsible for the progress of the cell through various checkpoints.

What are Proteins?

Proteins are made up of hundreds or thousands of smaller units called Amino acids. They are large, complex molecules that play many critical roles in the body. They do most of the work in cells and are required for the structure, function, and regulation of the body’s tissues and organs.

Cyclins regulate the cell cycle only when they are bound to Cdks and become fully active. The Cdk/cyclin complex must be phosphorylated, which further initiates other proteins to be phosphorylated that advances the cell cycle.

Retinoblastoma (Rb), is another group of tumor-suppressor proteins that regulates the cell cycle by monitoring the cell size.

Therefore, there are two types of proteins that regulate the process of the cell cycle are Cyclins and Cyclin-dependent Kinases (CDKs).

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Period 6 2-25 What percent of offspring from two heterozygous parents will have the dominant phenotype? William Brown. Feb 24 100 points please help ​

Answers

Answer:

75%

Explanation:

If both parents are heterozygous (Ww), there is a 75% chance that any one of their offspring will have a widow's peak (see figure). A Punnett square can be used to determine all possible genotypic combinations in the parents. A pedigree that depicts a dominantly inherited trait has a few key distinctions.

If a female spinach plant with flat (FF) green (GG) leaves is crossed (pollination and fertilization occur) with a male spinach plant with crinkly (ff) purple (gg) leaves, what allelles and traits will the offspring inherit?

B) This is an example of what type of reproduction?

Answers

A) all offspring will inherit Ff and Gg and will have flat and green leaves
B) sexual reproduction
———-

Explanation:
F F
f Ff Ff all offspring will have flat leaves
f Ff Ff
G G
g Gg Gg all offspring will have green leaves
g Gg Gg

All offspring will inherit Ff and Gg and will have flat and green leaves.

B) sexual reproduction

What is the term for organisms that consume other organisms for food like animals, some bacteria, and fungi?
Group of answer choices

heterotrophs

autotrophs

herbivores

omnivores

Answers

Answer:

Heterotrophs

Hope this helps!

Answer: Heterotrophs


Why : A heterotroph is an organism that eats other plants or animals for energy and nutrients. The term stems from the Greek words hetero for “other” and trophe for “nourishment.” Organisms are characterized into two broad categories based upon how they obtain their energy and nutrients: autotrophs and heterotrophs.

what is a population?

Answers

Population is a collection of interbreeding organisms of a particular species living together in a area.

Civil engineers want to determine whether the porosity of surface soil affects aquifer recharge rates

Answers


Aquifer recharge is water that moves from the land surface or unsaturated zone into the saturated zone. Quantitative estimation of recharge rate contributes to the understanding of large-scale hydrologic processes. It is important for evaluating the sustainability of groundwater supplies, though it does not equate with a sustainable rate of extraction. Where contamination of an aquifer is a concern, estimating the recharge rate is a first step toward predicting solute transport to the aquifer. Recharge may cause a short- or long-term rise of the water table. Artificial drainage, e.g., with horizontal porous pipes buried at a chosen depth, is sometimes used to maintain a minimal thickness of vadose zone for agricultural or other purposes.
Recharge rates vary considerably in time and space. Recharge often occurs episodically in response to storms and other short-term, high-intensity inputs. For a given amount of infiltration, temporal concentration enhances recharge because it entails shorter residence times for water in the portions of the soil from which evapotranspiration takes place. Similarly, a larger fraction will become recharge if it is concentrated in narrow channels such as fingers or macropores, not only because this tends to hasten its passage through the unsaturated zone, but also because the water then occupies less of the volume of soil from which evapotranspiration takes place.

i would like help on this please

Answers

ANSWER:

A

Explanation: chimpanzees have 0% difference from humans.

What is the BEST reason that producers are the most numerous group in an ecosystem?

Answers

Answer:

Producers make food and energy for themselves, and don't have to waste any energy hunting or scavenging for food. They also reproduce more effortlessly than consumers, and their genetic diversity is also a factor that keeps them abundant and numerous.

What scientist used radioactive bacteriophages to prove DNA is the
hereditary material passed from one generation to the next?

Answers

Answer:

Alfred Hershey and Martha Chase

Explanation:

In 1952 Alfred Hershey and Martha Chase were working with bacteriophages or phages, which are viruses that infect bacteria. They knew that a phage had an outer shell of protein and an inner core of DNA. In addition, from the electron microscope observations, they also knew that during infection the virus attacks the bacterium by its tails and introduces its genetic material into the bacterium to multiply using its metabolic machinery. They radioactively labeled two sets of phages: one with 32P (which marks only DNA) and another with 35S (which marks only proteins). In two parallel experiments, they infected bacteria with viruses marked on their DNA and with viruses marked on their proteins. The cultures were shaken with a mixer to separate the virus particles from the bacterial coatings. They then performed a centrifugation to separate the phages from the bacteria, so that the larger and heavier bacteria remain in the pellet, while the phages remain in the supernatant. They found that the radioactivity of 35S appeared in the supernatant while that of 32P appeared in the sediment, from which new radioactively labeled virus particles appeared, demonstrating that DNA was the genetic material.

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