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DNA

Total questions: 12

Worksheet time: 8mins

Name
Class
Date
1.

Which of the following is NOT found in the nucleus

a)

Chromosome

b)

Chromatins

c)

Ribosomes

d)

DNA

2.

What are the 4 nitrogen bases?

a)

Thymine, Guanine, Cytosine, Adenine

b)

Cytosine, Glucose, Adenine, Proteins

c)

Ribosomes, Thymine, Proteins, Nucleus

d)

Thymine Cytosine, nitrogen, Adenine

3.

Which of the following binds to Thymine?

a)

Cytosine

b)

Uracil

c)

Guanine

d)

Adenine

4.

What would the other side of this strand of DNA?


5’-AATCGGTGCACT - 3’

a)

5' - TTAGCCACGCAT - 3'

b)

3' - TTAGCCACGTGA - 5'

c)

5'- TTAGCCACGTGA - 3'

d)

3' - TTAGCGTGCGCT - 5'

5.

DNA replication occurs before mitosis - when new cells are produced for growth & repair

a)

True

b)

False

6.

IN RNA, which of the following is NOT a nitrogen base?

a)

Adenine

b)

Cytosine

c)

Thymine

d)

Guanine

7.

How many amino acids are in the human body?

a)

20

b)

30

c)

100

d)

26

8.

DNA is a double stranded sugar phosphate with ribose

a)

True

b)

False

9.

What is the first step of DNA Replication?

a)

The free nitrogen bases that are found inside the nucleus react with the available nitrogen bases

b)

Make new DNA in the 5` → 3` direction

c)

DNA Polymerase makes the sugar phosphate bond to make new nucleotide

d)

DNA helicase breaks the the hydrogen bonds between the nitrogen bases

10.

What process does the following occur in?


Occurs so every new cell have a complete copy of the genetic code

a)

DNA Replication

b)

Transcription

c)

Translation

d)

Protein Synthesis

11.

The universal start codon is what?

a)

UGG

b)

CAG

c)

AUG

d)

UCG

12.

Which of the following is a step in translation?

a)

Make new DNA in the 5` → 3` direction

b)

Ribosome attaches to the mRNA at the start codon, AUG.

c)

All the above

d)

RNA polymerase causes available RNA nitrogen bases

(A,U, G, C) to bond with the open DNA.