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Rama09 [41]
3 years ago
11

What are the characteristics of the cell membrane

Biology
2 answers:
patriot [66]3 years ago
4 0
It has two phosppholipid layers that are either hydrophobic and hydrophillic the function is to protect thing from coming in and out
Elden [556K]3 years ago
3 0
The plasma membrane (cell membrane) is made of two layers of phospholipids.

The plasma membrane has many proteins embedded in it.

The plasma membrane regulates the entry and exit of the cell. Many molecules cross the cell membrane by diffusion and osmosis.

The fundamental structure of the membrane is phospho lipid bilayer and it forms a stable barrier between two aqueous compartments.

The proteins present in the plasma membrane, act as pumps, channels, receptors, enzymes or structural components

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Maksim231197 [3]

Answer:

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Explanation:

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What does bone consist of?
MrRa [10]

mostly collagen and some calcium phosphate

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stira [4]
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OlgaM077 [116]

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Explanation:

3 0
3 years ago
A gene (gene X) undergoes a mutation which converts if from wild-type to mutant. Then a second mutation in the gene Y occurs whi
Tcecarenko [31]

Answer:

b. forward mutation, suppressor mutation

Explanation:

When the nucleotide sequence of an organism is altered, it is called as mutation. It can be caused by DNA damage or replication errors. In forward mutation, the wild type allele is converted to a mutant version such that the gene product is non functional or its not produced at all. Suppressor mutation is the second mutation which reverses the phenotypic effects of the previous mutation. This process is called as synthetic rescue.

Since here gene X was converted into a mutant form by the mutation, it had undergone forward mutation. When gene Y was mutated, the function of gene X was  restored which ultimately also restored the phenotype hence it is an example of suppressor mutation.

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3 years ago
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