Ch 8.

Question 1

Matchy matchy

Answer 1

Question 2

_______ are polyhydroxylated macromolecules that are the main energy source for biologic function

Answer 2

Carbohydrates

Question 3

______ are macromolecules responsible for many essential biological functions including DNA replication, cell signaling, metabolic reactions, enzymatic reactions, and membrane transport

Answer 3

Proteins

Question 4

____ are hydrophobic structures responsible for membrane structure and energy source

Answer 4

Lipids

Question 5

_____ are macromolecules responsible for storage and transfer of genetic information

Answer 5

Nucleic Acids

Question 6

Carbohydrate classification:

Carbonyl Type:
1. Aldehyde=
2. Ketone=

Answer 6

Aldehyde = aldose
ketone = ketose

Question 7

Carbohydrate classification:

Carbon number:
Three =
Four =
Five =
Six =

Answer 7

Three = triose
Four = tetrose
Five = pentose
Six = hexose

Question 8

Carbohydrate classification:

Stereoisomer:
Right side =
Left side =

Answer 8

Right side = D-sugar
Left side = L-sugar

Question 9

_____ Projections are open-form, while _____ projections are closed-form

Answer 9

Fischer; haworth

Question 10

Is this D or L glucose?

Answer 10

D

Question 11

Is this D or L glucose

Answer 11

L

Question 12

Amino acids are made up of an ______ functional group, a _______ functional group, and a side chain (polar, nonpolar, acidic/basic)

Answer 12

amine; carboxylic acid

Question 13

Stereoisomers for amino acids can be represented by-
Right side/dash =
Left side/wedge =

Answer 13

Right side/dash = D
Left side/wedge = L

Question 14

2 amino acids

Answer 14

dipeptide

Question 15

three amino acids

Answer 15

tripeptide

Question 16

four amino acids

Answer 16

tetrapeptide

Question 17

long, continuous unbranched peptide chain is called

Answer 17

polypeptide

Question 18

Protein structure:
Primary structure is

Answer 18

sequence of amino acids

Question 19

Protein structure:
Secondary structure is

Answer 19

the fixed arrangement of the polypeptide backbone

Question 20

Protein structure:
Secondary structure can be ______ or ______

Answer 20

Alpha helix or beta sheet

Question 21

Protein structure:
Tertiary structure is

Answer 21

the unique 3-D shape as a whole

Question 22

Protein structure:
Quaternary structure is

Answer 22

arrangement of multiple subunits into a larger structure

Question 23

Which protein structure is pictured?
A. Primary
B. Secondary (alpha helix or beta sheet)
C. Tertiary
D. Quaternary

Answer 23

C. Tertiary

Question 24

Which protein structure is pictured?
A. Primary
B. Secondary (alpha helix or beta sheet)
C. Tertiary
D. Quaternary

Answer 24

D. Quaternary

Question 25

Which protein structure is pictured?
A. Primary
B. Secondary (alpha helix or beta sheet)
C. Tertiary
D. Quaternary

Answer 25

B. Secondary - beta sheet

Question 26

Which protein structure is pictured?
A. Primary
B. Secondary (alpha helix or beta sheet)
C. Tertiary
D. Quaternary

Answer 26

B. Secondary - alpha helix

Question 27

Which protein structure is pictured?
A. Primary
B. Secondary (alpha helix or beta sheet)
C. Tertiary
D. Quaternary

Answer 27

A. Primary

Question 28

The three main function areas of lipids are

Answer 28

1. energy storage
2. membrane structure
3. Chemical signaling

Question 29

Lipids are grouped together by structural type, what are they? (4)

Answer 29

1. fatty acids
2. glycerides
3. non-glycerides
4. complex

Question 30

Nucleic acids consists of an _______ base, a _______ sugar, and a _______ group

Answer 30

Heteroaromatic
Ribose
Phosphate