Lecture 2 Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Functional groups?

A

chemical groups found in macromolecules that affect the molecular function and are directly involved in their chemical rxns

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

name all functional groups and properties

A

Hydroxyl (OH - alcohol) polar and hydrogen bond with water
Carbonyl (ketone within and aldehyde)
Carboxyl (carboxylic acid) like acid donate h+ polar
Amino group (amines) like a base pick up h+
Sulfhydryl (SH- thiols) stabilize protein structure, cysteines,
Phosphate group (produce energy)
methyl group (CH3) hydrophobic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is a structural isomer?

A

same molecular formula but have different connectivities

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

molecule made up of several similar subunits

A

polymer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

subunit of a polymer

A

monomer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

structural protein found in hair and nails

A

keratin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

humans can synthesize ____ on 20 amino acids, the ___ we cannot synthesize are called __________

A

11, 9, essential

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

structure of amino acid

A

amino group, carboxylic acid and R group (side chain)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

dehyration reaction

A

removing water to form a polymer (synthesis)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

hydrolysis reaction

A

use water to break a bond (recover monomer from polymer)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Primary structure

A

the sequence of amino acids found within the protein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

bond between each amino acid

A

polypeptide bond

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Secondary structure

A

the amino acid backbones (not hte R group) interactions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

result of secondary structure

A

alpha-helices and beta-pleated sheets

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Tertiary structures

A

final globular structure of the protein which determines the function.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

interactions between R group

A
hydrogen bonds (polar)
disulfide bridge (cysteine)
ionic bonds (charged)
van der Wall and hydrophobic exclusions (non polar)
17
Q

Quaternary structure

A

some protein requires several individual polypeptide to function completely

18
Q

denaturationn

A

lost of structure = lost of function

19
Q

patterns present in proteins

A

motifs

20
Q

regions of large proteins

A

domains