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Elena L [17]
3 years ago
10

Your friend, who tans easily, argues that it's great to get a tan because darker skin pigmentation offers lots more protection f

rom damaging UV radiation, so he's keeping himself safe. Would you agree? Explain.​
Biology
1 answer:
IRISSAK [1]3 years ago
4 0

Answer:

No, because it is a sign of damage. Although it is better than a burn, it means that DNA has damaged itself. It is the repair mechanism that stimulates more melanin production.

Explanation:

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True or false? the mechanism by which glucose inhibits expression of the lac structural genes is known as catabolite stimulation
Ivahew [28]
The correct answer id FALSE.
Yes, allosteric regulation is the process wherein the lactose binds to the lac repressor and inactivates it by causing the shape it change. However, the process by which glucose causes cAMP levels in the cell to drop, therefore preventing CAP from stimulating expression of the lac structural genes, is known as catabolite repression and not catabolite stimulation.
6 0
3 years ago
1. Based on the examples in the table, how do opinions differ from facts?
baherus [9]

1. Opinions are not always right; facts are.

2. Theories are sometimes right, but sometimes they are either wrong or a little off; facts are on point and with the exact answer.

3.  A theory is a scientific explanation of a fact.

4. They all have a good amount of information; also they say approximately to let you know it's not the exact answer.

5. A law is more like a prediction of what will happen if the situation is given and it's shown by the mathematical equation; Theory describes what happens. (Happened).

6. This would try to go against my understanding but it won't happen because I know that theories don't become laws or vice-versa; theories remain theories and law remain laws.

7 0
3 years ago
I NEED HELP ASAP!!!!!
melisa1 [442]

Hello there,

Been a long time for me to answer a question.

Your answer is D. Transpiration.

I hope that helepd you enjoy your first answer:)

7 0
3 years ago
Which of the answer choices could influence the pattern of succession in a recently disturbed habitat? Select all that apply. ai
allsm [11]

Answer: air quality, soil composition, the existence of fungal symbionts in the soil, the surviving species in the habitat

Explanation:

Succession is a series of gradual changes that occur in an ecosystem concerning the time until the ecosystem attains stability.

Air quality: The air is an important abiotic factor. The air or wind pattern is responsible for wind erosion and the amount of precipitation that a region receives. Thus if the habitat is disturbed by a forest fire the wind will be indirectly responsible for the rain to re-initiate the succession.

Soil composition: The soil composition is another important abiotic factor. The fertility of the soil is important for the growth of plants. Thus if the soil composition is suitable enough to support the growth of new plants in previously disturbed habitat the succession will resume.

The existence of fungal symbionts in the soil: Some of the fungal species live in symbiotic association with the plant roots. These fungal species derive nutrients for plants from the soil and also derive prepared food from plants. Thus if the area gets disturbed that is if the entire vegetation cover is lost the fungal colony will support the growth of new plants. This way the succession will resume.

The surviving species in the habitat: Although the habitat is disturbed recently but the growth of species can resume if few surviving species are left. These surviving species will reproduce and restore the species density and diversity in the habitat.

3 0
3 years ago
Are plasmas considered to be a chemical reaction or physical change?
Iteru [2.4K]

Answer:

I think that the answer is that plasmas are considered a physical change. Let me know if it helped or if it's correct

7 0
3 years ago
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