DNA Test Review

DNA Test Review

9th Grade

20 Qs

quiz-placeholder

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DNA Test Review

DNA Test Review

Assessment

Quiz

Biology

9th Grade

Practice Problem

Hard

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

WHY must we use RNA if we already have genetic code in DNA?

RNA is portable and can be read by the ribosome
RNA is more accurate than DNA
The cell needs a backup code and uses RNA
DNA and RNA can be used interchangeably 

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Deoxyribose Sugar

DNA

RNA

Both

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How does the central dogma of molecular biology describe the flow of genetic information in a cell?

DNA -> RNA -> Proteins
Proteins -> DNA -> RNA
RNA -> DNA -> Proteins
There is no specific order of these molecules

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Double Helix

DNA

RNA

Both

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What happens to the RNA code when it leaves the nucleus?

It remains as RNA forever
It finds a ribosome and is read
It leaves the cell
It returns to the nucleus

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Nitrogenous bases are joined by which type of bond?

polar bonds
ionic bonds
covalent bonds
hydrogen bonds

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following lists all the bases found in DNA?

A. Adenine, Thymine, Cytosine, Uracil

B. Adenine, Thymine, Cytosine, Guanine

C. Adenine, Thymine, Cytosine, Ribose

D. Guanine, Uracil, Thymine, Ribose

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