Biomolecules, Chemistry, Enzymes

Question 0

A _____ is made up of a sugar, nitrogen base, and a phosphate group

Answer 0

Nucleotide

Question 1

No other atom can form the number and variety of molecules that ______ can because it can bond to 4 other atoms at the same time to make carbs, lipids, nucleic acids, and proteins

Answer 1

Carbon

Question 2

What nitrogen base is found in DNA but not RNA

Answer 2

Thymine

Question 3

Lipids are different from other macromolecules because they are

Answer 3

Hydrophobic and don’t dissolve in water

Question 4

Glycogen, cellulose, and starch are all

Answer 4

Polysaccharides- carbs

Question 5

Which 2 kinds of molecules combine to form cell membranes

Answer 5

Phospholipids and proteins

Question 6

Adenine, thymine, guanine, cytosine, and uracil are all

Answer 6

Nitrogen bases used to make nucleotides

Question 7

Which part of a phospholipid molecule is non- polar and hydrophobic

Answer 7

Lipid tails

Question 8

This molecule is a

Answer 8

Amino acid

Question 9

This molecule is

Answer 9

ATP

Question 10

Polysaccharides

Answer 10

B

Question 11

Nucleic acids

Answer 11

C

Question 12

Proteins

Answer 12

A

Question 13

Made by joining amino acid subunits in long chains which provide a wide variety of functions in cells

Answer 13

Protein

Question 14

Made from carbon, hydrogen, an oxygen atoms in a 1:2:1 ratio

Answer 14

Carbohydrates

Question 15

Made from nucleotide subunits which store and carry information

Answer 15

Nucleic acids

Question 16

Hydrophobic fats, oils, waxes, and steroids made mainly from carbon an hydrogen atoms in long strains or multiple rings

Answer 16

Lipids

Question 17

Reactants in an enzyme catalyzed chemical reaction are called

Answer 17

Substrates

Question 18

Macromolecule that can act as enzymes are called

Answer 18

Proteins

Question 19

Enzymes speed up chemical reactions by

Answer 19

Decreasing activation energy

Question 20

Proteins like enzymes unwind or —– when placed in extreme pH or temperature conditions

Answer 20

Denature

Question 21

Enzymes are

Answer 21

Unchanged during chemical reactions and are reusable

Question 22

EMZYME PARTS

Products

Answer 22

E

Question 23

EMZYME PARTS

Substrate

Answer 23

C

Question 24

EMZYME PARTS

Active site

Answer 24

B

Question 25

EMZYME PARTS

Enzyme substrate complex

Answer 25

D

Question 26

EMZYME PARTS

Enzyme

Answer 26

A

Question 27

Name 2 environmental conditions that can cause proteins (enzymes) to change their shape

Answer 27

pH an temperature

Question 28

Many genetic diseases result from the production of enzymes that are not shaped correctly. How does changing an enzyme’s shape cause it to work poorly or not at all

Answer 28

Denaturing changes shape of active site so enzymes cant bind to substrates

Question 29

DNA polymerase is a molecule found in all cells. Judging by its name do you think its an enzyme

Answer 29

Yes; it ends in -ase

Question 30

Attraction between hydrogen atom in 1 water molecule and oxygen molecule in another is an example of a —– bond

Answer 30

Hydrogen

Question 31

Atoms with an electric charge are called

Answer 31

Ions

Question 32

Molecules with an uneven pattern of electric charge

Answer 32

Polar

Question 33

A water molecule is made of

Answer 33

2 H and 1 O atoms

Question 34

—- ions are measured with a pH scale and determine the acidity of a solution

Answer 34

H+

Question 35

A LITTLE CHEMISTRY PIC 1

Answer 35

Hydrolysis

Question 36

A LITTLE CHEMISTRY PIC 2

Answer 36

Dehydration synthesis