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Sergio [31]
4 years ago
8

Your hair is composed of live cells that need vitamins and nutrients.True/false

Biology
2 answers:
san4es73 [151]4 years ago
7 0
Hair cells are sensory receptors so definitely it needs food to survive which is gotten from hair cream that has vitamins and nutrients.
Ganezh [65]4 years ago
5 0

Answer:

false

Explanation:

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How can using a combination of policy tools be more efficient than using one exclusively?
kap26 [50]

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Using a combination of policy tools prevents the use of mandatory policies.

Explanation:

6 0
3 years ago
Read 2 more answers
Toll-like receptors are examples of ________.
Bas_tet [7]

Answer:

Innate immune response.

Explanation:

TLR also called toll-like receptors play crucial role in innate immune response. They are single spanning proteins and are present on dendritic cells and macrophages.

The pathogen when enters the body via skin or epithelial of mucosal membrane, they are recognized by TLR that further activates the immune response.

6 0
3 years ago
In general, glycine is a highly conserved amino acid in evolution. why should this amino acid be so important in a protein seque
dimaraw [331]

Glycine is the principle amino acid and it helps in the production of all types of amino acid.

Glycine is the simplest form of amino acid. all the amino acid is a derivative or a side chain addition of the amino acid of glycine.

Glycine is a highly conserved amino acid in the evolution of proteins as it is the smallest amino acid with H as a side chain. Because of the smallest side chain, it makes peptide to have tight turns. Because of Glycine smallest size proteins can approach one another very closely.

Various studies have been conducted to prove that glycine is a conserved amino acid. An experiment is conducted where glycine in a protein is being replaced by other amino acids say alanine, serine. This mutated protein where either serine or alanine took the position of Glycine, become unstable as confirmation was not stable in any variant. Conserved amino acids or sequences are those which affect the confirmation of the protein.

Glycine is only optically inactive amino acid and being the compact amino acid, it form stable alpha helices whereas complex amino acid like proline destabilize the helix.

Hence it is a highly conserved amino acid. Proteins are the addition of different types of amino acid. The amino acid at the edition product of different side chain which are present in glycine.  all amino acids are modification of glycine and can be prepared from glycine.

Learn more about glycine here

brainly.com/question/26318968

#SPJ4

6 0
1 year ago
Oxygen-16 has 8 protons. How many neutrons does it have?
LuckyWell [14K]
It has Eight Neutrons as well
:P
7 0
4 years ago
how do you think plant cells differ from animal cells? (hint: what can plants do that animals cannot?)
Genrish500 [490]
Yes because plant cell have chloroplast and they can make their own food but humans can't
7 0
3 years ago
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