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DNA basics (function & structure)

Total questions: 11

Worksheet time: 30mins

Name
Class
Date
1.

DNA is the shape of a (a)   ?

2.

A-Adenine, T- Thymine, C- Cyostine and G- Guanine are examples of what marcomolecule?

a)

Nucleic acids

b)

Proteins

c)

Carbohydrate

d)

Lipid

3.

Why is DNA replication important to any organism?

4 lines
4.

Which of the following is not a part of a nucleotide?

a)

deoxyribose sugar

b)

protein

c)

nitrogenous base

d)

phosphate group

5.

Which one of the following nucleotide pair bonds would be found in a DNA molecule

a)

adenine-guanine

b)

adenine-cytosine

c)

guanine-cytosine

d)

cytosine-uracil

6.

Your DNA code is read in sets of 3 nucleotides. Which of the following is the correct term?

a)

Nucleic acids

b)

RNA

c)

Codons

d)

Base pairs

7.

Find the complementary base to this sequence

AAA - TAT - CAG -GCC

a)

UUU - AUA - GUC - CCG

b)

CCC - ATA - GTG -CCG

c)

TTT - ATA - GTC - CGG

d)

TTT - ATA - CTG - GCC

8.

When DNA replication is complete you have:

a)

Two DNA molecules that are different from the original

b)

Two DNA molecules that are the exact same as the original

c)

Four DNA molecules that are the exact same as the original

d)

Four DNA molecules that are different from the original

9.

Transcription is the process of DNA into __________?

a)

Proteins

b)

DNA

c)

RNA

d)

Cells

10.

Transcript the following sequence:

ACC / ATT / TCG

a)

ACC / ATT / TCG

b)

TGG / TAA / AGC

c)

TGG / TUU / UGC

d)

UGG / UAA / AGC

11.

Which nucleotide is replaced in RNA?

a)

Adenine (A)

b)

Thymine (T)

c)

Guanine (G)

d)

Cyostine (C)