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tino4ka555 [31]
3 years ago
6

If a cell has an increased need for a particular molecule that is already present in a higher concentration within the cell than

in the extracellular fluid, the cell might use active transport, which usually moves molecules?
Biology
1 answer:
attashe74 [19]3 years ago
3 0

Answer:

Answer: In a direction opposite to the one in which diffusion moves them.

Explanation:

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3 years ago
Which of the following statements is NOT part of the cell theory
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<span>Which of the following statements is NOT part of the cell theory?
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4 0
3 years ago
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1. How did dark matter affect the development of structures in the early universe?
-Dominant- [34]

Answer:

1. It seeded the development of galaxies

2. The percentage of dark matter has shrunk in scientists' estimates since the 1980s

The percentage of unknown material has grown in scientists' estimates since the 1970%

3. Supernovae that are moving away at an accelerating rate.

Explanation:

1. How did dark matter affect the development of structures in the early universe?

It seeded the development of galaxies.

It seeded the development of quasars.

It cooled pockets of gas to form nebulae.

it became part of black holes

2. How has scientific understanding about the composition of the universe changed over time? Select the two correct answers.

The percentage of dark matter has shrunk in scientists' estimates since the 1980s

The percentage of unknown material has grown in scientists' estimates since the 1970%

The percentage of ordinary matter has grown in scientists' estimates.

The percentage of dark energy has shrunk in scientists estimates

3. Which is evidence for the existence of dark energy?

Pulsars that seem to be moving closer at an accelerating rate.

Supernovae that are moving away at an accelerating rate.

Black holes that are expanding at a constant rate.

Galaxies that are rotating at a constant rate.

<u><em>Please don't use these answer's to cheat they are to help only.</em></u>

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2 years ago
Which of these is true for bacteria because they are prokaryotic cells
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A is tha answer i think
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A scientist discovers a DNA-based test for one allele of a particular gene. This and only this allele, if homozygous, produces a
Marina86 [1]

Answer:

b. Design a test for identifying heterozygous carriers of the allele.

3 0
3 years ago
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