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DNA journal assignment 2022

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Choose the two molecules that make up the sides of the DNA ladder.

a)

Adenine

b)

Nucleotides

c)

Sugars

d)

Phosphates

2.

The monomer of a nucleic acid is a

a)

guanine

b)

thymine

c)

nucleotide

d)

phosphate

3.

Where is DNA located in prokaryotic cells?

a)

Floating in the center as a circular chromosome

b)

Floating in the center as a linear chromosome

c)

Found in the nucleus as a linear strand chromosome

d)

Found in the nucleus as a circular chromosome

4.

A bonds with T, and C bonds with G represents the

a)

Sugar-phosphate backbone

b)

Base pair rules

c)

Prokaryotic cell rules

d)

Double helix

5.

Where is DNA found in eukaryotic cells?

a)

Found in the nucleus

b)

Found in the ER

c)

Found in the center of the cell, not in a nucleus

d)

Found in the layers of the cell membrane

6.

Choose 3 out of the 4 the nitrogen bases found in DNA

a)

Adenine

b)

Guanine

c)

Uracil

d)

Thymine

7.

Choose the 2 correct answers that represent complementary base pairs in a DNA molecule.

a)

Adenine binds with Guanine

b)

Guanine binds with Cytosine

c)

Adenine binds with Thymine

d)

Thymine binds with Cytosine

8.

A DNA code for a single protein is called a/an

a)

epigenetics

b)

gene

c)

chromosome

d)

double helix

9.

What kind of bond connects the nitrogen base pairs in the DNA molecule?

a)

Covalent bond

b)

Nitrogen bond

c)

Hydrogen bond

d)

Ionic bond

10.

Choose the three parts of a nucleotide:

a)

A sugar (deoxyribose)

b)

A phosphate

c)

A histone

d)

A nitrogen base

11.

What is the name for the shape of DNA?

a)

Twisted ladder

b)

Double helix

c)

Histone

d)

Circular chromosome

12.

The type of biomolecule that DNA is:

a)

carbohydrate

b)

nucleic acid

c)

protein

d)

lipid

13.

The nitrogen base Adenine (A) binds with what base?

a)

Thymine (T)

b)

Guanine (G)

c)

Cytosine (C)

14.

True or False. All organisms have A, T, C, and G, therefore these nitrogen bases represent a universal genetic code.

a)

True

b)

False

15.

What is the molecule?

a)

DNA

b)

Amino acid

c)

Carbohydrate

d)

Protein