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lianna [129]
3 years ago
11

What is the function of a receptor

Biology
1 answer:
Lady bird [3.3K]3 years ago
8 0
Functions of cell surface Receptors .
most ligands responsible for cell-cell signaling ( including neurotransmitters, peptide, hormones, and growth factors) bind to receptors on the surface of their target cells. 
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What is meant by the following statement about the cell membrane?
AysviL [449]

Answer:

The cell membrane is semipermeable because allows only certain molecules to pass through.

Explanation:

Semipermeability is a common property of cell membranes, due to their predominantly lipid composition, which gives them a hydrophobic character.

The cytoplasmic membrane is constituted by a double layer of lipids, in addition to structural proteins and glucides, which prevent the entry of polar or charged molecules. This characteristic allows lipids and small molecules without charge to pass freely through it.

Regarding the other options:

<em>     A. Cell membranes are associated with lysosomes, structures that contain enzymes. However, this characteristic is not related to semipermeability.</em>

<em>     C. They allow the passage of small molecules - devoid of charge - through them.</em>

<em>     D. Not all non-polar molecules pass through, as some need a transporter.</em>

6 0
3 years ago
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How do the functions of DNA and RNA differ?
SpyIntel [72]

Answer:

DNA is functional is the transmission of genetic information. It forms as a media for long-term storage. RNA is functional is the transmission of the genetic code that is necessary for the protein creation from the nucleus to the ribosome. The DNA is a double-stranded molecule that has a long chain of nucleotides.

3 0
3 years ago
The harmonic law would suggest that Neptune will take ____ to orbit the sun than mercury.
bija089 [108]

Answer:

A longer amount of time.

Explanation:

Neptune is farther away from the Sun than Mercury, making his orbit around the Sun bigger and therefore longer.

4 0
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What invention allowed scientists to study cells for the first time?
Alina [70]
The invention that allowed scientists to study cells for the first time is the Microscope
8 0
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I will give brainliest to the first person who answers!
sveta [45]
The answer would be C, as many streams/rivers carry plant seeds, dispersing them. If there was a drought, these seeds wouldn't be able to float on the stream and disperse.
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