"tertiary structure of a protein is maintained by (list the interactions)"

1 answer:

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<span>Protein tertiary structures are known to be a three dimensional structure of a protein with a single polypeptide chain (backbone) and one or more protein secondary structures known as protein domains.</span>

Tertiary Structure Interactions

1) Hydrophobic Interactions: they are non- covalent bonds and very important in the formation of tertiary structure.

2) Ionic Bonds: the interaction of both positive and negative amino acids forms a bond that helps to stabilize the protein molecules.

3) Hydrogen Bonds: this bond exit between the amino acid with hydrophilic side chain found on the surface of the molecules and water molecules in a solution.

4) Disulfide Bridges: it is a strong covalent bond commonly found between cysteine residues in close proximity space.

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Human blood types are characterized by the presence absence of surface markers known as a tigers on the surface of red blood cel

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Answer:

characterized by presence or absence of antigens

the blood types are A, B, O, AB

Explanation:

There are two antigens and two antibodies that are mostly responsible for the ABO types. The specific combination of these four components determines an individual's type in most cases. Erythrocytes and serum were related to the presence of antigens on these erythrocytes and antibodies in the serum. these antigens are A and B, and depending upon which antigen the erythrocytes express, blood either belonged to blood group A or blood group B. A third blood group contained erythrocytes that reacted as if they lacked the properties of A and B, and this group was later called "O" blood group. The fourth blood group AB, was added to the ABO blood group system. These erythrocytes expressed both A and B antigens.

Blood group Antigen present on RBC Antibodies in serum Genotype(s)

A antigen A anti-B AA or AO

B antigen B anti-A BB or BO

AB both A and B antigen none AB

O none anti-A and anti-B OO

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Answer:

a.aquatic plants

Explanation:

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Biomass is highest at the first trophic level in any food chain. In the aquatic food chain also the highest biomass at the first trophic level which aquatic plants.

Hence option a is correct.

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C. evaporation of sweat warms the body

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