Brainscape's Knowledge GenomeTM

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


See full index

Bio 181 Final > Test 2 > Flashcards

Test 2 Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

In 1928 Griffith demonstrated that an unidentified compound from killed cells of the bacterium causing blank could transform harmless bacteria into deadly ones

A

Pneumonia

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

In 1944 Avery Macleod and McCarty treated solutions of this transforming principle with digestive enzymes and showed only those treated with blank lost their ability to transform bacteria

A

DNAase

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

Hershey and Chase used sulfur to radioactively label blank because they knew it occurred in one of the blank and they used radioactive blank to label the backbone of DNA

A

Protein, amino acids, phosphate

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

About the same time chargegoffs study of DNA showed that purine concentrations equals blank concentrations and Adenine concentrations equal blank

A

Pyrimidine and thymine

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

RNA is usually blank

A

Single-stranded

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

Hydrogen bonding between DNA bases determines how tightly strands are held together strands of DNA from G n C rich molecules separate at blank temperatures then strands of a or t rich DNA

A

Lower

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

Elongation of new strands of both DNA and RNA move and what direction

A

5 to 3

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

What enzyme denatures the DNA at the start of replication

A

DNA helicase

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

The Meselson stall experiments demonstrated that each new DNA molecule is composed of blank strands

A

One old and one new

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

What compound is the primer for DNA replication/actually begins it

A

RNA

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

Short stretches of DNA synthesized along the lagging strand of the new DNA are called

A

Okazaki fragments

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

A codon consist of blank bases

A

3

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

Most amino acids are coded for by more than one codon so the code is

A

Redundant

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

Each codon consist for only one type of amino acid so the code is not

A

Ambiguous

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

Enzyme that seals nicks in a DNA backbone

A

DNA ligase

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

Functional group that signifies and organic acid chemical formula COOH

A

Carboxyl

17
Q

Functional group that signifies an alcohol chemical formula OH

A

Hydroxyl

18
Q

Which is/are semi conservative

A

Replication

19
Q

Which requires a DNA template

A

Transcription and replication

20
Q

Which requires nucleotides

A

Transcription and replication

21
Q

Which uses only one strand of DNA at a time

A

Transcription

22
Q

Which occurs during interphase

A

None not transcription replication or translation

23
Q

Which synthesizes nucleotides

A

None not transcription replication or translation

24
Q

Which synthesizes proteins

A

Translation

25
Q

Most biological reactions are controlled by organic catalyst called enzymes although each has a different amino acid sequence called it’s blank structure the function of these organic catalyst depend on their blank structure

A

Primary, tertiary

26
Q

Each reaction requires an input of energy called blank before it will proceed

A

Activation energy

27
Q

The general term for organic molecules that bind permanently to a protein like heme with hemoglobin is

A

Prosthetic group

28
Q

The rates of enzyme catalyzed reaction are controlled by concentrations of

A

Substrate product and Enzyme

29
Q

Which contains the code for protein

A

M RNA

30
Q

Which acts as an enzyme

A

None not M RNA tRNA or rRNA

31
Q

Which has an anti-codon

A

TRNA

32
Q

Which was produced by the golgi apparatus

A

Non-not M RNA tRNA or rRNA

33
Q

Which transfers amino acids to the ribosome

A

TRNA

34
Q

Which process does not include repair replication or transcription

A

Both include repair

35
Q

Earlier and of course we discussed glycophorin A and integral transmembrane proteins what type of our groups would probably be most common in the segment of that protein that anchors it in the membrane

A

Hydrophobic/non-polar

36
Q

What types of r groups might be involved when An enzyme alters charge on the substrate by adding or subtracting hydrogen ion

A

Acidic and basic

37
Q

Why might an enzyme deform a substrate in a chemical reaction

A

Protect a reactive site

38
Q

What types of bonds are primarily responsible for stabilizing the three-dimensional structure of an Enzyme

A

Ionic hydrogen and disulfide

39
Q

Two reasons why simply adding energy to speed up a reaction would not work in a living organism

A

It would increase metabolism to break down excess fat and it would help maintain body temperature

Bio 181 Final (7 decks)

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