IDENTIFICATION

Question 1

globular proteins that work as a catalyst for chemical reactions.

Answer 1

ENZYMES

Question 2

is the region on the surface of the enzyme to which substance(s) bind and which catalyzes the reaction.

Answer 2

ACTIVE SITE

Question 3

monomer of protein.

Answer 3

AMINO ACID

Question 4

monomer of nucleic acids.

Answer 4

NUCLEOTIDES

Question 5

the meaning of DNA.

Answer 5

DEOXYRIBONUCLEIC ACID

Question 6

The meaning of RNA.

Answer 6

RIBONUCLEIC ACID

Question 7

The meaning of sugar in DNA.

Answer 7

DEOXYRIBOSE

Question 8

The name of sugar in RNA

Answer 8

RIBOSE

Question 9

An intracellular source of energy

Answer 9

ATP

Question 10

The base pairing rule of A=T and C=G is called.

Answer 10

CHARGAFF’S RULE

Question 11

An amino acid is _____ because it behaves both as an acid or base.

Answer 11

AMPHOTERIC

Question 12

An amino acid is ____ because they both have positive and negative charges.

Answer 12

Zwitterion

Question 13

Polymers of amino acids linked together by peptide bonds.

Answer 13

Polypeptide

Question 14

Amino acids with acids have R group that interacts with water, which makes them hydrophilic.

Answer 14

Polar amino

Question 15

Contain an ammonium (- NH3*) R group.

Answer 15

Polar basic

Question 16

proteins which are folded to a more or less spherical shape.

Answer 16

Globular

Question 17

Contain polypeptide chains organized approximately parallel along a single axis.

Answer 17

Fibrous

Question 18

catalytically inactive protein resulting from the removal of holoenzyme’s cofactor is referred to as what?

Answer 18

Apoenzyme

Question 19

organic compounds required by the body in small amounts for metabolism, for protection, for maintenance of health and proper growth. cannot be synthesized, therefore must be obtained thru diet.

Answer 19

vitamins

Question 20

a nucleotide without the phosphate group

Answer 20

nucleoside

Question 21

carries the genetic code - stores and transmits genetic info from one gen to the next

Answer 21

DNA

Question 22

two cysteine residues form this bond which it helps stabilize polypeptides and proteins

Answer 22

disulfide bond

Question 23

a level of protein structure with a variety of repeating structures.

Answer 23

secondary

Question 24

the final arrangement for a protein having multiple subunits.

Answer 24

quarternary

Question 25

catalytically active enzyme-cofactor complex is called what

Answer 25

holoenzyme