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DNA

Total questions: 16

Worksheet time: 8mins

Name
Class
Date
1.

DNA IS MADE BY WHAT BIOMOLECULE?

a)

CARBOHYDRATES

b)

PROTEINS

c)

NUCLEIC ACID

d)

LIPIDS

2.

WHAT IS THE MONOMER OF NUCLEIC ACID?

a)

NUCLEOTIDE

b)

AMINO ACID

c)

MONOSACCHARIDE

d)

DEOXYRIBOSE

3.

What are the three components of a nucleotide?

a)

amino acid, Trna, sugar

b)

5 carbon sugar, phosphate, nitrogenous base

c)

adenine, thymine, guanine

d)

sugar, carbon, hydrogen

4.

Transcription is the reading of DNA BY?

a)

RRNA

b)

TRNA

c)

MRNA

d)

AMINO ACID

5.

All organisms have the same four bases?

a)

True

b)

False

6.

What are the 4 bases for RNA?

a)

URACIL, ADENINE, GUANINE, CYTOSINE

b)

THYMINE, ADENINE, GUANINE, CYTOSINE

c)

APPLES, CARS, TREES, GARAGES

d)

RIBOSE, HYDROGEN, CARBON, ADENINE

7.

The precursor to DNA IS?

a)

AMINO ACID

b)

MRNA

c)

NUCLEOTIDE

d)

TRANSCRIPTION

8.

IF ALL LIVING ORGANISMS HAVE THE SAME BASES...WHAT MAKES THEM DIFFERENT?

a)

THEIR LETTERS MEAN DIFFERENT THINGS

b)

THE SEQUENCE, OR ORDER OF THEIR BASES

c)

EVERYONE IS THE SAME

d)

THEY HAVE MUTATED DNA

9.

The backbone of DNA is?

a)

the bases

b)

phosphate and bases

c)

5 carbon sugar and phosphate

d)

hydrogen and oxygen

10.

DNA IS THE SHAPE OF A ........

a)

STAIRS

b)

CIRCLE AND SQUARES

c)

LADDER

d)

DOUBLE HELIX

11.

Codons are.......

a)

3 bases that code for an amino acid

b)

triplets that tell you what nucleic acid made

c)

amino acids

d)

proteins

12.

When making the complementary strand of DNA, A pairs with?

a)

u

b)

c

c)

g

d)

t

13.

In mRNA and tRNA A pairs with

a)

u

b)

g

c)

c

d)

t

14.

You need _______ bases to code for an amino acid?

a)

6

b)

2

c)

1

d)

3

15.

Identify the correct order for protein synthesis?

a)

DNA, TRNA, MRNA

b)

MRNA, TRNA, DNA, PROTEIN

c)

PROTEIN, DNA, MRNA

d)

DNA, MRNA, PROTEIN

16.

In double stranded DNA, which base would you not find?

a)

Uracil

b)

Adenine

c)

Thymine

d)

Guanine