ADN/ gènes 1.2 Flashcards

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

situé où?

A

entre nucléole/ membrane nucléaire

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

composition:

A
  • 4 bases azotées/nucléotides (molécules prébiotiques):
    -cytosine (C)
    -guanine (G)
    _________________________
    -Adenine (A)
    -Thymine (T)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Qu’arrive t-il quand ADN s’enroule

A

forme chromatINE

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

À quel moment se reroule la chromatine? pour former quoi?

A
  • signal de multiplier

- chromosome (formé de chromatide)

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

Quelle est la combinaison de chromosomes féminins?

A

XX

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

Quelle est la combinaison de chromosomes masculins?

A

XY

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

par quoi est relié un chromosome dédoublé?

A

centromère

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

combien de chromos chez l’être humain?

A

46 –> 23 paires

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

combien de gènes y a-t-il chez un humain?

A

20 000

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

Qu’est ce qu’un gène?

A

code dans chromosome qui permet de créer des protéines

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

Qu’est ce qui joue le rôle d’interrupteur des gènes?

A

ADN non-codant

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