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LenKa [72]
3 years ago
11

I need help so pls help me ?

Biology
1 answer:
s344n2d4d5 [400]3 years ago
7 0
B …………………. Number 2 …….
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What term is used to describe 100’s or 1000’s of amino acids chemically combined?
hjlf

Answer:

Polypeptide

Explanation:

Amino acids are the building block and simplest unit of protein molecules. The structural composition of each amino acids is made up of an amine group (-NH2), a carboxylic acid group (-COOH), a hydrogen atom (H) and a R side chain that differentiates every amino acid from one another.

In a reaction process called condensation, amino acids are chemically joined together via the amine group of one and the carboxylic group of another. This process releases water molecule (H20) to form a bond called PEPTIDE bond between the amino acids. Several amino acids in their 100’s or 1000’s that are chemically joined this way forms a POLYPEPTIDE chain, which in turn forms the protein molecule.

8 0
3 years ago
Help me please
nordsb [41]

Answer:

embryophytes

Explanation:

please let me know if this helped you

5 0
3 years ago
20 POINTS!!!What describes the diet of a saprotroph?
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Answer:

Dead plant matter

Explanation:

Saprotrophs feed by a process known as absorptive nutrition, in which the nutritional substrate (e.g., dead organism or other nonliving organic matter) is directly digested by a variety of enzymes that are excreted by the saprotroph.

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3 years ago
How many categories are plants separated into?a.1b.2c.3d.4
Marrrta [24]
Plants are separated into C) 3 categories.
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3 years ago
Describes a change of the sequence of a dna molecule
zvonat [6]

Answer:

mutation

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occurs when a DNA gene is damaged or changed in such a way a to alter the genetic message carried by that gene. A mutation is an gent of substance that can bring about permanent alteration to the physical composition of a DNA gene such that the genetic message is changed

7 0
2 years ago
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