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Quiz 5-RIZAL

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

If this strand is replicated, which of the following is the complementary strand that is produced?

a)

T C G T C C G T C T A G

b)

A G C A G G C A G G G T

c)

T T A C G G T C A C C A

d)

U C G U C C U C U A G A

2.

If transcribed into an mRNA, what would be the resulting strand?

a)

U U A C G G U C A C C A

b)

A G C A G G A G A T C

c)

A G C A G G C A G A U C

d)

T C G T C C G T C T A G

3.

During translation, the tRNA sequence of nucleotides arranged linearly is _________

a)

T C G T C C G T C T A G

b)

A A U G C C A G U G G U

c)

A G C A G G C A G A U C

d)

U C G U C C G U C U A G

4.

What is the correct in protein synthesis from first to last

a)

D-C-E-F-B-A

b)

D-B-E-F-C-A

c)

A-E-B-F-C-D

d)

A-E-B-C-F-D

5.

What are the nitrogenous bases in DNA?

a)

adenine, cytosine, uracil only

b)

adenine, cytosine, thymine only

c)

adenine, cytosine, guanine, thymine

d)

adenine, cytosine, guanine, uracil

6.

Which is the correct complement pairing of bases in DNA?

a)

adenine-guanine, cytosine-guanine

b)

adenine-cytosine, guanine-thymine

c)

adenine-thymine, cytosine-guanine

d)

uracil adenine, cytosine-guanine

7.

What are the building blocks of proteins?

a)

amino acid

b)

fatty acid

c)

glucose

d)

nucleotides

8.

What would be the complementary DNA strand for the following nucleotide sequence? 5' TAC TCG ATA CGA 3'

a)

5' AUG AGC UAU GCU 3'

b)

3' AUG AGC UAU GCU 5'

c)

5' ATG AGC TAT GCT 3'

d)

3' ATG AGC TAT GCT 5'

9.

Why DNA replication is known as semi-conservative replication?

a)

It is because the two old strands is conserved in each new molecule

b)

It is because one of the old strands is conserved in each new molecule

c)

It is because two new strands are formed.

d)

All of the above.

10.

What are the three components of a nucleotide?

a)

sugar, hydrogen, nitrogen base

b)

sugar, phosphate, nitrogen base

c)

sugar, oxygen, nitrogen base

d)

sugar, phosphate, protein

11.

The enzyme that unwinds the DNA to prepare for replication

a)

Helicase

b)

DNA Polymerase

c)

Primers

d)

ligase

12.

Why does DNA replicate? (Chose two correct answer)

a)

A. To create a polypeptide -- a protein made out of a chain of amino acids.

b)

B. To produce a copy of the genetic materials

c)

C. To create a duplicate copy in case the original gets damaged

d)

To create different copy for the cell

13.

Nitrogenous bases are joined by which type of bond?

a)

polar bonds

b)

covalent bonds

c)

ionic bonds

d)

hydrogen bonds

14.

Genetic info flows in one direction. Which best represents this flow?

a)

DNA-protein-RNA

b)

RNA-protein-DNA

c)

Protein-RNA-DNA

d)

DNA-RNA-protein

15.

The process to go from mRNA to a protein is called ____

a)

Transcription

b)

Replication

c)

Translation

d)

Duplication