
Ôn Tập Sinh Học
Quiz
•
Biology
•
9th Grade
•
Practice Problem
•
Medium
Vương Đình Phúc
Used 7+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 1. Đơn phân cấu tạo protein là:
Nucleotide
Nucleic acid
DNA
Amino acid
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 2. Trường hợp nào sau đây là phép lai phân tích?
EE x Ee.
EE x ee.
Ee x Ee.
EE x EE.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 3. Theo lí thuyết, ruồi giấm có bộ nhiễm sắc thể lưỡng bội là
2n = 8.
2n =16.
2n = 6.
2n = 14.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 4. Điều nào sau đây đúng khi nói về phân tử RNA?
Gồm bốn loại nuclêôtit là A, U, G, C.
Cấu tạo từ các nguyên tố C, H, O, S, K.
Cấu tạo gồm hai mạch xoắn song song.
Cấu tạo gồm hai mạch thẳng song song.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 5. Phân tử nào sau đây trực tiếp làm khuôn cho quá trình hình thành chuỗi axit amin?
ADN.
mARN
tARN.
rARN
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 6. Codon là bộ 3 nằm trên phân tử nào sao đây
mRNA.
tRNA.
rRNA.
DNA.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 7. Một gene có trình tự các Nu là ATTA. Sau khi đột biến, gene có trình tự các Nu là ATTTA. Đây là dạng đột biến nào?
Thêm 1 cặp Nu
Mất 1 cặp Nu
Thay thế 1 cặp Nu
Nhân lên 1 cặp Nu
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