Free Printable DNA RNA DNA Replication

Worksheets

DNA RNA DNA Replication

Total questions: 21

Worksheet time: 12mins

Name

Class

Date

Which of the following units are repeatedly joined together to form a strand of DNA?

amino acids

nucleotides

fatty acids

polysaccharides

Watson and Crick were the first to suggest that DNA is _____

a short molecule

the shape of a double helix

a protein molecule

the genetic material

Nucleotides are made up of a sugar, phosphate, and..?

nitrogenous base

nucleic acid

cholesterol

fatty acid

Which shows the correct complementary base pairing for DNA?

C-A, T-G

A-G, C-T

C-G, U-A

T-A, G-C

What are the 4 nitrogen bases?

adenine, thymine, cytoplasm, and guanine

adenine, thymine cytosine, and guanine

adenine, thymine, cytosine, and gylcerol

adenine, thymine, cytosine, and glucose

Which statement is TRUE regarding DNA and RNA?

DNA's sugar is ribose; RNA's sugar is deoxyribose

DNA is single stranded; RNA is double stranded

DNA contains thymine; RNA contains uracil

DNA is in cytoplasm; RNA is in nucleus

What does DNA stand for?

Deoxyribonucleic acid

Denitrogenous acid

Deribonucleic acid

Diribonucleic acid

Which of the following bases is NOT found in RNA?

Thymine

Adenine

Guanine

Cytosine

Why is DNA important?

it is very small and very complicated

it's in everything

it serves as the blueprint for traits of all living things

because we eat it every day for energy

10.

Which organelle is DNA usually found in?

cell membrane

vacuole

chloroplast

nucleus

11.

What scientist used X-ray diffraction to determine the structure of DNA, which was used by Watson and Crick to win the Nobel Prize?

Isaac Newton

Rosalind Franklin

Robert Hooke

Francis Griffith

12.

Which of the following is NOT one of the nitrogenous bases for DNA?

Adenine

Thymine

Guanine

Uracil

13.

What makes up the backbone of a DNA double helix?

Nitrogenous bases

Sugar and phospate groups

Ribose sugar only

Sugar and bases

14.

The bases of the double helix are held together with a ___ bond, which is ___

Hydrogen, strong

Ionic, weak

Covalent, strong

Hydrogen, weak

15.

Which of the following best summarizes the relationship between DNA and traits?

DNA--> RNA --> Protein--> Trait

RNA--> DNA-->Protein-->Trait

Protein-->DNA-->RNA-->Triat

Triat-->Protein-->DNA-->RNA

16.

Which of the following is NOT part of a nucleotide structure?

Phosphate group

Amino Acid

Sugar

Nitrogen-containing base

17.

Which statement is CORRECT about RNA?

Single stranded nucleotide chain of A,T, C, G

Single stranded nucleotide chain of A, U, C, G

Double stranded nucleotide chain of A, U, C, G

Double stranded nucleotide chain of A, T, C, G

18.

Guanine bonds with ______________.

Adenine

Guanine

Cytosine

Thymine

19.

Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG

ATG TGA CAG

TAC ACT GTC

GTA AGT GAC

CAT TCA CTG

20.

In what phase of the cell cycle does DNA replication take place?

21.

DNA replication results in two DNA molecules,

each one with two original strands

each one with two new strands

each one with one new strand and one original strand

one with two new strands and the other with two original strands

Reset

DNA RNA DNA Replication

Total questions: 21

Worksheet time: 12mins

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