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Elden [556K]
4 years ago
15

A mass of lymphatic tissue at the back of the mouth is a(n):

Biology
1 answer:
Ivenika [448]4 years ago
3 0
A mass of lymphatic tissues at the back of the mouth is called A TONSILS.
Tonsils are the two lymph nodes located on each side at the back of the throat. They act as a defense mechanism, they prevent infection. When the tonsils become infected the condition is called tonsillitis.
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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
The breakdown of food via enzymatic reactions is known as __________.
r-ruslan [8.4K]
I believe you're looking for "chemical digestion".

Chemical digestions is where food that we ate is digested into simpler and soluble molecules that can be absorbed by our body. Enzymes are used as a catalyst to speed up the reaction.

One example is the digestion of lipids. Enzyme named lipase is used to speed up the digestion of lipids into 3 fatty acid molecules and 1 glycerol. This way, our body can absorb these simple molecules, and use them in order to make our body function.

On the other hand, physical digestion does not include enzymes, such as chewing in our mouth, therefore, don't mix them up!
4 0
3 years ago
Animal cells have all of the following except
Vlada [557]

Answer:

C

Animals have a mitochondria, a nucleus, and a cell membrane, bu they do not have chloroplasts. You can only find chloroplasts in human and plant cells, not a animal's cell. Hope it helps!

3 0
3 years ago
Read 2 more answers
3. Salt dissolves in water. Describe how you could obtain pure salt from a salt solution. Draw a diagram of the apparatus you wo
victus00 [196]

Answer:

Well salt is gotten from oceans and they refine it then sell to the market then sold to consumers

8 0
3 years ago
What do cells store and release as the main source of chemical energy
DIA [1.3K]
They store and use ATP (Adenosine Triphosphate).

:)
7 0
3 years ago
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