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melomori [17]
2 years ago
7

7 What is the function of cholesterol in the cell membrane?

Biology
1 answer:
Murljashka [212]2 years ago
4 0

Answer:

D. helps maintain membrane fluidity

Explanation:

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Explain how deforestation can lead<br> to changes in the sea level.<br><br> *In 5 sentences or more*
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Answer:

Explanation: Deforestation leads to climate change. The fewer trees in environment, the more carbon emmsision there is which warms up the earth. As the earth gets warmer the glaciers and ice caps in the artic and antarctic melt which leads to more water in the ocean. Think of ice melting in a glass of water, the ice melts and turns to water creating more water.

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2 years ago
Define the terms related age an absolute age
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Answer:

hope the answer helped you

Explanation:

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7 0
3 years ago
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What are Sister chromatids?
Lilit [14]
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3 years ago
The sliding filament model is our best explanation of how a skeletal muscle shortens. Based on your knowledge of the structure o
Veseljchak [2.6K]

A sacromere is a segment between two adjacent Z discs and are essential for the striated structure of the cardiac and skeletal muscles.

<u>Explanation:</u>

The Z disc is surrounded by the I band made of thin filament called actin. The I band is followed by the A band made up of thick filament called myosin. When the muscles contract the actin and the myosin become superimposed/overlapped.

The sliding filament model explains the contraction of the sacromere in which the Z discs move closer due to the overlapping of the thin and thick filaments. Thus the I band moves close to the A band which remain the same length as shown in figure.

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3 years ago
The seed coat's most important function is to provide protection for the __________.
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Sporophyte embryo. 

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