Ce reprezintă o cromatidă?

Test de evaluare

Quiz
•
Biology
•
9th Grade
•
Hard
ramona gavrila
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un nucleotid
Un radical fosforic
Un cromozom bicromatidic
O moleculă de ADN
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce se întâmplă cu ADN-ul înainte de diviziune?
Se descompune
Se stabilizează
Se dublează
Se transformă în ARN
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce este centromerul?
Un tip de nucleotid
Punctul de unire al cromozomilor
Locul unde se leagă bazele azotate
O parte a moleculei de ADN
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce formează două lanțuri de ADN?
Un nucleotid
O spirală răsucită
Un radical fosforic
O moleculă de ARN
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cum se leagă bazele azotate?
În cerc
În perechi
În grupuri de trei
Separat
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce tip de cromozom are o singură moleculă de ADN?
Cromozom triploid
Cromozom tetraploid
Cromozom monocromatidic
Cromozom bicromatidic
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce se întâmplă cu cromozomii după replicare?
Se transformă în ARN
Se descompun
Devine bicromatidici
Devine monocromatidici
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