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balu736 [363]
3 years ago
11

What are the roles of mucus? Check all that apply.

Biology
2 answers:
noname [10]3 years ago
7 0

Answer:

a and c

hope it helps

kondaur [170]3 years ago
3 0

Answer:

A, C

Explanation:

mucus acts as a barrier! all of the other things mentioned (D and E) are caused by white blood cells.

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If a point mutation occurs in a body cell so that the original sequence of mRNA of CGA changes to AGA, what will be the likely c
Talja [164]

Hi,

If a point mutation occurs during which  CGA changes to AGA, the mutation will be simply inherited to the offspring and there won't be any harsh effects on the health of individual.

This is because, both AGA and CGA code for same amino acid called Arginine.

We know that mutations posses harmful effects when they change the genetic sequence leading to the incorporation of incorrect amino acid in the organisms and their offspring. But in this case the mutation will not be harmful and will simply be transferred to the offspring and will have no effect on the functioning, fitness or survival of the organism

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3 years ago
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Time on earth is divided into 6 eras. Three are considered "Precambrian" Which eras are NOT Precambrian?
bulgar [2K]

Explanation:

<u>the  Paleozoic Era </u>

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Just before the Cambrian eruption, in the  Paleozoic Era the environment was oxygenated, culminating in an explosion of new life in the Proteozoic Eon (2500-541 million years ago) in the form of primitive blue-green algae named cyanobacteria and oxygen based species. Multicellular species followed later, along with structure at higher levels, and complex life. Oxygen levels grew gradually over this period of time, from low levels.

Learn more about cellular life at brainly.com/question/11259903

#LearnWithBrainly

8 0
3 years ago
describe the type of growth that is happening, the factors that have led to such growth, and predict what may happen in the futu
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Answer and Explanation:

It's a constrictive growth pyramid I think. They could die out in the future..

I can't remember the factors that have led to the growth

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