Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

MCB181 > Lecture 3 Unit 1 > Flashcards

Lecture 3 Unit 1 Flashcards

1
Q

what are polymers linked by

A

covalent bonds

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

what is the only solution that does not transform nonvirulent bacteria into virulent cells

A

DNase

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

what does DNA do

A

stores and transmits genetic information

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

what is DNA

A

a polymer of nucleotides and forms a double helix

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

what is transcription

A

the process by which RNA is synthesized from a DNA template

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

what is DNA transformed into after transcription

A

mRNA

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

what is the central dogma “flow”

A

DNA > mRNA > protein

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

what is the process called that turns DNA into mRNA

A

transcription

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

what is the process called that turns mRNA into proteins

A

translation

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

where is the phosphate group attached in a nucleotide

A

the 5’ carbon

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

where is the base attached in a nucleotide

A

1’ carbon

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

what is a nucleoside composed of

A

sugar and base

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

what is a nucleotide composed of

A

sugar a base and a phosphate

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

what are the purines

A

adenine and guanine

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

what is a characteristic of a purine

A

double ring

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

what are the pyrimidines

A

thymine and cytosine

17
Q

what is a characteristic of a pyrimidine

A

thymine and cytosine

18
Q

where do phosphodiester bonds occur

A

between nucleotides

19
Q

what kind of bond is a phosphodiester bond

A

covalent

20
Q

in a strand of DNA what is located at the 5’ end

A

phosphate group

21
Q

in a strand of DNA what is located at the 3’ end

A

hydroxyl group

22
Q

in the double helix where is the sugar phosphate backbone located

A

on the outside

23
Q

in the double helix where are the bases located

A

inward

24
Q

what are two major characteristics of DNA

A

anti parallel, and complementary

25
Q

how many hydrogen bonds form between C and G

A

3

26
Q

how many hydrogen bonds form between A and T

A

2

27
Q

what are histones

A

proteins around which DNA is wound

28
Q

what do histones contain

A

positively charged amino acids lysine and arginine

29
Q

what is chromatin

A

DNA packaged with histones

30
Q

how many histones are there

A

8 subunits

31
Q

what is a nucleosome

A

a length of DNA coiled around a histone

32
Q

how is DNA packaged into chromosomes

A

DNA wraps around histones to make nucleosomes, nucleosomes pack to make chromatin, chromatin packs to make chromosomes

MCB181 (20 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions