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Ymorist [56]
3 years ago
10

What is the molecule that makes up the majority of a cell

Biology
1 answer:
Veseljchak [2.6K]3 years ago
4 0
It’s the Mitochondria
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Describe in detail the steps of a light dependent reaction
Levart [38]

Answer:

The light-dependent reactions use light energy to make two molecules needed for the next stage of photosynthesis: the energy storage molecule ATP and the reduced electron carrier NADPH.

Here are the basic steps:

Light absorption in PSII. ...

ATP synthesis. ...

Light absorption in PSI. ...

NADPH formation.

Explanation:

3 0
3 years ago
If a stationary body of water has a constant temperature from top to bottom it is most likely a(n)
Kipish [7]

<u>Answer:</u> B. Pond

<u>Reasoning:</u> A lake is typically large and have a large dept, same with an ocean(But an ocean is much larger) so the temperature won't be constant.

A lagoon is a moving body of water that covers small bodys of sand or coral.

3 0
3 years ago
Read 2 more answers
By when were robust australopithecines extinct?<br> a. 4 mya<br> b. 6 mya<br> c. 1 mya<br> d. 3 mya
svetoff [14.1K]
The answer is

C) 1 mya
3 0
3 years ago
What information would be most relevant to determining the time of death?
Nuetrik [128]

Lividity can be defined as the typical bluish-purple discoloration of the skin after death. Rigor mortis can be defined as the postmortem state in which the muscles become stiff.

  • After death, the stomach contains identifiable ingested foods within two hours.

  • Rigor mortis is characterized by the stiffening of the body after death, which is caused by the absence of ATP in muscle tissues.

  • Postmortem lividity or livor mortis is caused by the accumulation of blood in blood vessels (the lack of arterial pressure) as a result of gravity.

  • The most relevant information to determine the time of death is the presence of lividity, rigor mortis, and/or stomach contents (Option c).

Learn more in:

brainly.com/question/2053340?referrer=searchResults

5 0
3 years ago
What are three types of homologies that can be seen in organisms? Give example of each homologous?
Vaselesa [24]

Answer:

1. Iterative homology: e.g. antenna and leg of fiddler crab

2. Ontogenetic homology: e.g. radular teeth of veliger, feathers of chicken and hen

3. Di-polymorphic homology: e.g. white and brown feathers of hen races, chelae of male and female of fiddler crabs

4. Supraspecific: e.g. chelae of fiddler crab, chelae of lobster, feathers of hen and pheasant

Explanation:

7 0
3 years ago
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