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6- DNA and Protein Synthesis Review

Total questions: 24

Worksheet time: 6hrs 0mins

Name
Class
Date
1.

During transcription, this type of ribonucleic acid is responsible for copying the DNA and brining it out of the nucleus.

a)

tRNA

b)

mRNA

c)

rRNA

d)

dRNA

2.

These building blocks consist of a sugar, phosphate, and nitrogen base.

a)

Ribose

b)

Nucleotide

c)

Gene

d)

Protein

3.
Where does transcription take place?
a)
nucleus
b)
cytoplasm
c)
ribosome
4.
Which of these bases does not exist in RNA?
a)
C
b)
T
c)
U
d)
A
5.

What is the correct order to make a protein?

a)

Protein, DNA, RNA

b)

RNA, DNA, Protein

c)

DNA, RNA, Protein

d)

Protein, RNA, DNA

6.

Where are proteins made?

a)

ER

b)

nucleus

c)

cytoplasm

d)

mitochondria

7.

Where is DNA and RNA made?

a)

nucleus

b)

cytoplasm

c)

mitochondria

d)

ER

8.

The RNA codon AUG means

a)

add amino acid methionine

b)

start the protein here

c)

add the amino acid tyrosine

d)

end the polypeptide chain here

9.

The transfer of genetic info from DNA to RNA is called

a)

translation

b)

transcription

c)

initiation

d)

elongation

10.
The main function of tRNA is to...
a)
carry a message that, when translated, forms proteins
b)
form a portion of ribosomes
c)
string together complementary RNA and DNA strands
d)
bring amino acids from the cytoplasm to the ribosomes
11.

Insertion, deletion, and substitution are all examples of a change in a genetic sequence which is also referred to as (a)

a)

Gene

b)

Amino Acid

c)

Ribose

d)

Mutation

12.

During transcription, this type of ribonucleic acid is responsible for copying the DNA and brining it out of the nucleus.

a)

tRNA

b)

mRNA

c)

rRNA

d)

dRNA

13.

When these bond together, they form a protein

a)

Amino Acids

b)

Peptide Bonds

c)

Ribose

d)

Nucleotides

14.

These building blocks consist of a sugar, phosphate, and nitrogen base.

a)

Ribose

b)

Nucleotide

c)

Gene

d)

Protein

15.

Which of the following is the complementary mRNA sequence to this DNA strand: AACTGAA

a)

UUGACUU

b)

TTGACTT

c)

AACTGAA

d)

AACUGAA

16.

The sequence of bases in the DNA is most important for which of the following?

a)

Providing the instructions for the traits of an organism

b)

Preventing mutations from occurring during DNA replication

c)

Allowing the DNA to have the shape necessary for the replication

d)

Helping form the sugar-phosphate backbone of DNA molecules

17.

What is the following molecule called?

a)

Nucleotide

b)

Nucleoside

c)

ATP

d)

ADP

18.

What process is shown in the picture?

a)

Photosynthesis

b)

Transcription

c)

DNA replication

d)

Cell Transport

19.

What occurs during DNA replication?

a)

The DNA is copied into RNA

b)

The DNA makes an exact copy of itself

c)

The DNA is converted to a protein

d)

The DNA is converted to lipids

20.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose sugar and adenine
b)
deoxyribose sugar and a hydrogen bond
c)
deoxyribose sugar and the nucleus
d)
deoxyribose sugar and phosphate
21.

What is the correct complementary strand for the following DNA?ATCGAG

a)

TACGAG

b)

ATCGAG

c)

TAGCTG

d)

TAGCTC

22.
What is the product of translation?
a)
DNA
b)
mRNA
c)
tRNA
d)
proteins
23.
What is the product of transcription?
a)
DNA
b)
mRNA
c)
tRNA
d)
proteins
24.
How many nucleotides make a codon?
a)
1
b)
2
c)
3
d)
6