Brainscape's Knowledge GenomeTM

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


See full index

Bio Chapter 12 > Chapter 12 > Flashcards

Chapter 12 Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
0
Q

What did Griffith discover?

A

He founded the transformation and discovered different strands including the R- strand and S- strand

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

What are genes made of?

A

?

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

What did Avery discover?

A

He discovered that DNA are genes, not protein

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

What did Hershey and Chase discover?

A

They have discovered radioactive DNA in transformed cells. They also discovered that bacteriophages were the genetic material in DNA.

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

What did Avery’s team do trying to result transformation?

A

Destroyed everything except DNA and then kept everything but destroyed DNA

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

What is bacteriophage?

A

The kind of virus that infects bacteria

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

What is DNA?

A

A nucleic acid made up of nucleotides joined into long strands or chains by covalent bonds.

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

What is DNA nucleotides made up of?

A
  1. 5 carbon sugar called deoxyribose
  2. A phosphate group
  3. A nitrogenous base
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the four nitrogenous bases in DNA?

A

Adenine, guanine, cytosine, and thymine
AT
GC

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

What did Rosalind Franklin discover?

A

She used an X-Ray diffraction and discovered the double helix in DNA

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

What did Watson and Crick contribute?

A

They made the finished model of the DNA structure

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

What time does DNA polymerase play in copying DNA?

A

DNA polymerase is an enzyme that joins individual nucleotides to proud a new strand in DNA

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

What happens in the replication of DNA process?

A
  1. DNA unzips and 2 strands unwind
  2. Unwound strands of DNA serve as templates of new DNA
  3. DNA polymerase adds new nucleotides to the old, template strands
  4. DNA polymerase proofread a the new strands
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is a telomere?

A

The end of the chromosome

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

What does telomeres do?

A

They shorten the age during the replication process

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

What is telomerase?

A

It is an enzyme that adds short, repeats DNA sequences to telomeres. It protects telomeres from becoming shorter

16
Q

What is the telomeres role in cancer cells?

A

There are very little telomeres causing it to divide uncontrollably

17
Q

Where are prokaryotic cells replication located?

A

Cell membrane (center)

18
Q

How many eukaryotes cells replicate begin at?

A

Dozens or even hundreds

19
Q

How are the strands in a double helix model?

A

They are antiparallel and run in opposite directions

20
Q

What happens when the DNA unzips?

A

They break the hydrogen bonds between base pairs and unwinding the two strands of the molecule

21
Q

What is transformation?

A

When one type of bacteria had been changed permanently into another.

22
Q

Thymine is?

A

Sugar + phosphate which is a nucleotide

23
Q

Cytosine is?

A

Sugar- base

24
Q

What is a replication fork?

A

When the DNA polymerase adds new nucleotides

Bio Chapter 12 (1 decks)

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