Biomolecules

Question 1

what involves the process of breaking down polymers into monomers

Answer 1

hydrolysis

Question 2

The normal pH for human blood is?

Answer 2

7.35 to 7.45

Question 3

what is an important lipid used in synthesis of other steroid molecules?

Answer 3

cholesterol

Question 4

Saturated fatty acids

Answer 4

single bond

Question 5

unsaturated fatty acids

Answer 5

double bond

Question 6

3 components of DNA nucleotide

Answer 6

nitrogenous base, deoxyribose sugar, phosphate group

Question 7

3 characteristics of an enzyme

Answer 7

speed up reactions
affected by temp and pH balance
specific to particular substrates

Question 8

Dehydration synthesis

Answer 8

when two water molecules are joined by removing water

Question 9

the monomers of nucleic acids are?

Answer 9

nucleotides

Question 10

Steroids belong to which biomolecule family

Answer 10

Lipids

Question 11

complementary base pairing in DNA molecules

Answer 11

Adenine-Thymine
Cytosine-Guanine

Question 12

the structural Lipids found in the cell membrane are what?

Answer 12

phospholipids

Question 13

the primary structure of proteins refers to

Answer 13

a linear sequence of amino acids in a polypeptide chain

Question 14

The preferred monosaccharide in the body is what?

Answer 14

glucose

Question 15

What’s one example of a structural protein?

Answer 15

Collagen, Keratin

Question 16

What’s an example of a functional protein?

Answer 16

horomones, enzymes, antibodies

Question 17

Electrically charged small negative particle encircling the nucleus

Answer 17

electron

Question 18

when atoms react chemically they gain, lose or share what

Answer 18

electrons

Question 19

The nucleus of the atom always has what charge

Answer 19

positive

Question 20

Carbon atoms form what bonds

Answer 20

covalent

Question 21

Is glucose a electrolyte

Answer 21

no

Question 22

electrolytes that release hydrogen ions in water are called what?

Answer 22

acids

Question 23

whenever a partially charged hydrogen comes near a partially charged oxygen on another atom what bond is formed?

Answer 23

hydrogen

Question 24

what happens to sodium when it loses its outer electron

Answer 24

it becomes a positive ion

Question 25

covalent bond happens when

Answer 25

two atoms share an electron

Question 26

decomposition is the opposite of a what reaction?

Answer 26

synthesis

Question 27

A solution with a 7.2 pH is considered what

Answer 27

basic

Question 28

if a triglyceride were digested it would break down into glycerol and what?

Answer 28

fatty acids

Question 29

myoglobin, hemoglobin, and enzymes are what kind of proteins? on the structural scale | 1,2,3,4

Answer 29

globular (tertiary)

Question 30

which of the following do not belong with one another, proton, electron, neutron, & nucleus?

Answer 30

electron

Question 31

the symbol Na+ is used to describe a sodium what?

Answer 31

Ion

Question 32

a person with a blood pH of 7.25 be considered to have excess acidity or acidosis? True or False

Answer 32

True

Question 33

All proteins function as catalysts or enzymes? True or False

Answer 33

False

Question 34

when two monosaccharides are formed together a water molecule is produced? True or False

Answer 34

True

Question 35

when glycerol and fatty acids combine to form a fat, water is also produced. True or False

Answer 35

True

Question 36

Catabolism is an example of what?

Answer 36

hydrolysis

Question 37

Enzymes function in chemical reactions to do what?

Answer 37

speed up reactions to lower the energy of activation needed to start the reaction

Question 38

What bond is formed when an amino group of one amino acid joins the carboxyl group of another?

Answer 38

Peptide

Question 39

The chemical process of what is involved in the digestion of a compound such as a disaccharide

Answer 39

hydrolysis

Question 40

The molecule that is acted upon by an enzyme?

Answer 40

substrate

Question 41

The base thymine can pair with the base____?

Answer 41

adenine

Question 42

Enzymes are catalysts that alter chemical reactions rates by chemically combining with the substrate. True or False

Answer 42

true