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Genetic Coding & Protein Synthesis

Total questions: 15

Worksheet time: 9mins

Name
Class
Date
1.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains uracil
2.

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)

sugar and phosphate

3.

A process in which DNA has the unique ability to make an exact copy of itself.

a)

Replication

b)

Translation

c)

Transcription

d)

Protein Synthesis

4.
What are the four nitrogen bases?
a)
adenine, thymine, guanine, cytosine
b)
adenine, lysine, prolene, guanine
c)
arganine, cytosine, lysine, purine
d)
lysine, cytosine, lucine, guanine
5.
What kind of information does DNA carry?
a)
genetic
b)
nuclear
c)
cell structure
d)
it doesn't carry any info
6.
What process is shown in the diagram?
a)
replication
b)
transcription
c)
mitosis
d)
translation
7.
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
8.

The "blueprint" is found in the nucleus of each cell in the form of DNA.

a)

True

b)

False

9.

What occurs during protein synthesis?

a)

Nitrogen bases create sugar molecules.

b)

Amino acids link together to form proteins.

c)

Protein molecules create new music.

10.

How many cells are in the human body?

a)

27 million

b)

10 trillion

c)

25 million

d)

37 trillion

11.

In a DNA model, what do we call the rungs on the ladder?

a)

genes

b)

nitrogen bases

c)

sugar molecule

d)

chromosomes

12.

The first step of DNA's replication is when the double helix untwists.

a)

True

b)

False

13.

What are two types of RNA?

a)

protein & transfer RNA

b)

messenger & transfer RNA

c)

messenger & amino acid RNA

d)

messenger & protein synthesis RNA

14.

These nitrogen bases are typically found together.

a)

guanine (G) and cytosine (C)

b)

thymine (T) and cytosine (C)

c)

thymine (T) and guanine

d)

adenine and guanine

15.

These nitrogen bases are typically found together.

a)

guanine (G) and cytosine (C)

b)

thymine (T) and cytosine (C)

c)

thymine (T) and guanine

d)

adenine and guanine