DNA & Proteins Flashcards

1
Q

What are chromosomes ?

A

Thread-like structures containing many genes stored in the nucleus of cells.

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

Describe the structure of DNA?

A

Double helix with two strands held together by weak hydrogen bonds between the bases.

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

What are the base pairs described as?

A

specific/complementary base pairs

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

What pairs with adenine?

A

thymine

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

What pairs with cytosine ?

A

guanine

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

What pairs with thymine ?

A

adenine

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

What pairs with guanine ?

A

cytosine

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

What is the genetic code? (remember BAP)

A
  • The order of DNA bases encodes information for the sequence of amino acids in a protein.
  • The sequence of amino acids dictates the structure and function of these proteins.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What does mRNA carry?

A

a copy of the DNA genetic code from the nucleus into the cytoplasm of a cell.

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

What does the structure of DNA determine?

A

The mRNA sequence which codes for a particular amino acid which dictates the structure and function of a protein.

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

Name 4 types of proteins ?

A

Structural
Hormones
Defensive
Enzymes

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

What is the function of structural proteins?

A

Support the cell

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

What is the function of hormones?

A

Chemical messengers

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

What is the function of defensive proteins?

A

Protection against diseases

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

What is the function of enzymatic proteins?

A

Increase rate of chemical reactions

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

Give examples of structural proteins?

A

Keratin/Collagen

17
Q

Give examples of hormones?

A

Insulin,growth hormone

18
Q

What are amino acids

A

The building blocks that make up a protein molecule.

19
Q

What are bases

A

sub-units of DNA and mRNA which make up the genetic code

20
Q

What are nucleotides

A

Building blocks of dna

21
Q

What makes nucleotides different

A

The base it has ,theres four different types of bases

22
Q

Where is dna stored

A

The nucleus

23
Q

Where are proteins assembled in fungal animal and plant cells?

A

Ribosomes

24
Q

Where does the. mRNA travel to and from

A

From the nucleus to the cytoplasm

25
Q

What is a gene?

A

Section of dna that codes for protein