Proteins

Question 1

How many amino acids present in proteins

Answer 1

20

Question 2

The unique three-dimensional structure of a polypeptide is its

Answer 2

Tertiary Structure

Question 3

in Protein shapes what are the shapes in shape and nature

Answer 3

Globular
Fibrous

Question 4

This structure is in part due to chemical interactions at work on the polypeptide chain

Answer 4

Tertiary Structure

Question 5

gives rise to the secondary structure of the protein

Answer 5

local folding

Question 6

are the monomers that make up proteins

Answer 6

Amino Acids

Question 7

The name “amino acids” is derived from the

Answer 7

amino group

Question 8

Every amino acid also has another atom or group of atoms bonded to the central atom known as the

Answer 8

R group

Question 9

Produced by living cells, are catalysts in biochemical reactions

Answer 9

Enzymes

Question 10

As more amino acids join this growing chain, the resulting chain is known as a
holds the animo acids

Answer 10

polypeptide

Question 11

The former type of interaction are also known as

Answer 11

hydrophobic interaction

Question 12

have the most diverse range of functions of all macromolecules

Answer 12

Proteins

Question 13

the gene’s coding region may lead to a different amino acid being added to the growing polypeptide chain

Answer 13

change in nucleotide sequence

Question 14

pancreatic hormone insulin has two polypeptide chains and are linked together by

Answer 14

disulfide bonds

Question 15

In local folding this are structures are common

Answer 15

the alpha-helix sheet structures
beta-pleated sheet structures

Question 16

How many are considered essential amino acids in human

Answer 16

10

Question 17

The former types of interactions are also known as

Answer 17

hydrophobic interaction

Question 18

Levels of protein structure:

Answer 18

1. Primary
2. Secondary
3. Tertiary
4. Quaternary

Question 19

hemoglobin molecules form long fibers that distort the biconcave

Answer 19

Primary Structure

Question 20

The a-helix and Beta-pleated sheet structure are found in most

Answer 20

Globular and fibrous proteins

Question 21

They assume that this clogs arteries

Answer 21

crescent or “sickle” shaped

Question 22

are on of the most abundant organic molecules in living systems

Answer 22

Proteins