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DNA Notes

Total questions: 26

Worksheet time: 14mins

Name
Class
Date
1.

type of nucleic acid that is shaped like a double helix and is composed of long strands of alternating Deoxyribose sugars and phosphate groups, along with nitrogenous bases.

a)

RNA

b)

DNA

c)

Protein

d)

Amino acid

e)

Gene

2.

structure in the nucleus of many cells that contains DNA bonded to various proteins

a)

RNA

b)

DNA

c)

Protein

d)

Amino acid

e)

chromosome

3.

consist of either one or two long chains of repeating units called nucleotides. DNA and RNA are the two main types.

a)

RNA

b)

DNA

c)

Protein

d)

nucleic acids

e)

chromosome

4.

a nucleic acid that is generally single stranded, contains the sugar ribose, and is used in the process of making proteins.

a)

RNA

b)

DNA

c)

Protein

d)

nucleic acids

e)

chromosome

5.

The basic building block of nucleic acids, such as DNA and RNA. It is an organic compound made up of nitrogenous base, a sugar, and a phosphate group.

a)

RNA

b)

DNA

c)

Protein

d)

nucleotide

e)

chromosome

6.

Which bases pair together in DNA?

a)

A to T and G to C

b)

A to U and G to C

c)

A to G and T to C

d)

A to C and T to G

7.

Which bases pair together in RNA?

a)

A to T and G to C

b)

A to U and G to C

c)

A to G and T to C

d)

A to C and T to G

8.

What is the name of this molecule?

a)

RNA

b)

DNA

c)

Protein

d)

Amino acid

e)

Gene

9.

What is the name of this molecule?

a)

nucleotide

b)

DNA

c)

RNA

d)

chromosome

e)

gene

10.

What makes up the backbone or sides of DNA?

a)

RNA and DNA

b)

Phosphate and deoxyribose

c)

Phosphate and Ribose

d)

deoxyribose and Nitrogen bases

e)

Nitrogen bases and Phosphate

11.

What type of bonds are found between the nitrogen bases in DNA?

a)

strong bonds

b)

weak bonds (hydrogen bonds)

c)

peptide bonds

d)

unbreakable bonds

12.

What is the shape of DNA?

a)

single stranded

b)

double helix

c)

circular

d)

looped

13.

What is the name of the sugar in RNA?

a)

ribose

b)

deoxyribose

c)

phosphate

d)

nitrogen base

e)

uracil

14.

What is the name of the sugar in DNA?

a)

ribose

b)

deoxyribose

c)

phosphate

d)

nitrogen base

e)

uracil

15.

What are the two types of nucleic acids? (pick two answers)

a)

DNA

b)

RNA

c)

MBA

d)

NBA

e)

proteins

16.

If a DNA sequence is

AAA TTT CCC GGG, what is the complementary base sequence in DNA?

a)

AAA TTT CCC GGG

b)

UUU AAA GGG CCC

c)

CCC GGG AAA TTT

d)

GGG CCC TTT AAA

e)

TTT AAA GGG CCC

17.

What are the monomers of nucleic acids (like DNA and RNA?)

a)

RNA

b)

DNA

c)

Proteins

d)

nucleotides

e)

chromosomes

18.

If there are 537 thymine bases in a DNA strand, how many adenine will there be?

a)

1

b)

100

c)

250

d)

537

e)

1074

19.

In a sample strand, 5% of the DNA is made of the base pair thymine. What % of the DNA is made of adenine?

a)

0%

b)

5%

c)

10%

d)

30%

e)

45%

20.

In a sample strand, 15% of the DNA is made of the base pair cytosine. What % of the DNA is made of guanine?

a)

0%

b)

15%

c)

20%

d)

30%

e)

35%

21.

What are the three parts of a nucleotide? (pick 3 answers

a)

phosphate

b)

sugar

c)

nitrogen base

d)

oxygen

e)

carbon dioxide

22.

In a sample strand, 40% of the DNA is made of the base pair thymine. What % of the DNA is made of guanine?

a)

0%

b)

10%

c)

20%

d)

30%

e)

40%

23.

If a molecule of DNA has 5% A, what is the percentage of C, T, and G in that sample?

a)

5% A

5% T

45% C

45% G

b)

5% A

45% T

5% C

45% G

c)

5% A

45% T

45% C

5% G

d)

10% A

10% T

40% C

40% G

24.

Where is DNA located in the cell?

a)

nucleus

b)

cytoplasm

c)

endoplasmic reticulum

d)

Golgi Body

e)

ribosome

25.

What does DNA stand for?

a)

Deoxyribonucleic Acid

b)

Do Not Assist

c)

Double Nucleic Acid

d)

Deoxynucleus amino acid

26.

What does RNA stand for?

a)

Ribonucleic Acid

b)

Right Now amino

c)

Regulated Nucleus Assistor

d)

Regional National Associate