
Quiz về DNA
Authored by Mai Ngọc
Biology
9th Grade
Used 4+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cấu tạo hóa học của DNA gồm những nguyên tố nào?
C, H, O, S, P
C, H, O, N, Ca
C, H, O, N, K
C, H, O, N, P
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số lượng cặp nucleotide trong một chu kỳ xoắn của DNA là bao nhiêu?
10
15
20
5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Liên kết giữa các nucleotit trong một mạch đơn của DNA là gì?
Liên kết ion
Liên kết hóa trị
Liên kết hydro
Liên kết cộng hóa trị
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tỉ lệ (A+T)/(G+C) có đặc trưng cho điều gì?
Đặc trưng cho tế bào
Đặc trưng cho môi trường
Đặc trưng cho loài
Đặc trưng cho gen
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chiều dài của một cặp nucleotide trong DNA là bao nhiêu angstron?
2
3.4
5
10
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số liên kết hydrogen giữa A và T là bao nhiêu?
2
4
1
3
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Đơn phân cấu tạo nên phân tử DNA là:
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