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charle [14.2K]
3 years ago
9

How many nanometers are there in 520 meters?

Biology
2 answers:
Ganezh [65]3 years ago
7 0

Answer:

520,000,000,000 Nanometers = A

Explanation:

alexira [117]3 years ago
5 0
The Answer will be A
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Arrector Pili<span> Muscle - This is a tiny muscle that attaches to the base of a hair follicle at one end and to dermal tissue on the other end. In order to generate heat when the body is cold, the </span>arrector pili<span> muscles contract all at once, causing the hair to "stand up straight" on the skin.

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3 years ago
When a cell is stressed because something is wrong, these L flags become very active.
VladimirAG [237]

Answer:

The correct option is;

Protein

Explanation:

Stress proteins are the class of proteins used to mediate cellular stress response. There are two types of stress proteins including the stress activated proteins and the dual functioning, stress response and cell function protein. By being a primary source of survival of cells under stress has resulted in the conservation and associated existence of the similar stress proteins in different classes of living organisms.

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3 years ago
1. How does the cell membrane allow animals to move without rupturing the cells in the body?
oksian1 [2.3K]

.

Explanation:

1)The cell membrane functions as a semi-permeable barrier, allowing a very few molecules across it while fencing the majority of organically produced chemicals inside the cell. Electron microscopic examinations of cell membranes have led to the development of the lipid bilayer model (also referred to as the fluid-mosaic model). The most common molecule in the model is the phospholipid, which has a polar (hydrophilic) head and two nonpolar (hydrophobic) tails.

2) simple diffusion across the cell plasma membrane. The structure of the lipid bilayer allows small, uncharged substances such as oxygen and carbon dioxide, and hydrophobic molecules such as lipids, to pass through the cell membrane, down the concentration gradient is , by simple diffusion.

3) some molecules, such as carbon dioxide and oxygen, can diffuse across the plasma membrane directly, but others need help to cross its hydrophobic or however, because they are charged the polar, they can't cross the phospholipid part of the membrane without help .

4) during fission a copy of the DNA is made and attached to the cell membrane as well. As this cell elongate in preparation for fission, the two DNA copies are pulled apart two opposite ends of the cell. New membrane material is deposited between the two ends of the cell, and a new wall grows between them .

5) UMASS STEM-ED From Bubbles to Cell Membranes Workshop. Bubble ... dynamic nature which can't be properly appreciated in a static textbook. ... the small thread through one of the straws.

6) example of passive transport and active transport across a cell membrane so, cell membranes are semipermeable meaning they have control over what molecules can or cannot pass through. Some molecules can just drift Inn.

4 0
3 years ago
Help plz I 15 points
Degger [83]

Answer:

It would keep going at constant speed.

Explanation:

The bicycle would keep going at constant speed because of inertia. Objects in motion stay in motion unless they are disturbed by an external force.

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