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worty [1.4K]
3 years ago
12

The cell membrane _____.

Biology
2 answers:
LekaFEV [45]3 years ago
7 0
Contains and protects the cell
8090 [49]3 years ago
7 0

Answer:

THE 2ND 3RD AND I THINK THE FORTH ONE

Explanation:

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This organ reabsorbs water and electrolytes, and stores feces
Radda [10]

Answer:

A: Esophagus

Explanation:

Hopefully this helps!

8 0
3 years ago
A person with darker skin produces more what ?
Brilliant_brown [7]
A person with darker skin produces more melanin. Those are the dark brown pigments that come from your skin, hair, or eye color.

Hope that helps. -UF aka Nadia
7 0
3 years ago
Read 2 more answers
The gravity of the Sun and Moon pulls earth's surface in opposite directions:​
sweet [91]

Answer:

The Moon's gravity pulls more on the planet than the water on the opposite side. These two water bulges on opposite sides of the Earth aligned with the Moon are the high tides. Spring tides occur when the Earth, the Sun, and the Moon are aligned, increasing the gravitational pull on the oceans.

8 0
2 years ago
What is found in the nucleus of an atom? Question 1 options: electrons neutrons and protons protons and electrons neutrons and e
ladessa [460]

Answer: in the atom you can find: electrons and protons

Explanation:

You can find electrons in an atom because it is the negative energy that rounds the atom on the outside’s part.

Then, the protons are the positive energy that is on the atom’s inside.

Both of the energies are fused and it end on a neutron energy.

4 0
3 years ago
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Suggest an intracellular regulatory molecule (from your text) that growth factors might stimulate to control cell division. Plea
vlabodo [156]

Answer:

E2F transcription factors  

Explanation:

The E2F transcription factors (TFs) encode intracellular factors associated with the control of the cell cycle. E2F are TFs that bind to promoter consensus sequences in order to activate transcription. These TFs control the expression of target genes involved in cell proliferation including, among others, genes for DNA replication and mitotic activation. Moreover, the E2F proteins also may act as a link between cell fate and the cell cycle. The retinoblastoma (Rb) is a protein that modulates the activity of the E2F family of TFs, and it has been shown that the Rb/E2F pathway is a key molecular mechanism associated with cell proliferation.

7 0
3 years ago
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