DNA and Protein Synthesis - Unit 7 Exam – On Level

Which scientist(s) were involved in determining that DNA rather than protein carried the genetic information for the cell?

• Franklin

• Hershey and Chase

• Avery

• Watson and Crick

• Both A and D

Which of the following scientists was NOT helpful in determining the shape and structure of a DNA molecule?

• Avery

• Watson

• Franklin

• Crick

Which of the following is NOT a possible base in DNA?

• Uracil

• Guanine

• Cytosine

• Thymine

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

• Nitrogen base

• Deoxyribose sugar

• Amino acids

• Phosphate group

In the double helix shape of the DNA molecule, the rungs of the ladder are made of .

• nitrogen bases
• deoxyribose sugars

• amino acids

• phosphate groups

In DNA, the base that is complementary to guanine is .

• tyrosine

• guanine

• cytosine
• uracil

Examine this DNA strand: TACCTGGCA. The complementary strand to this one is .

• TACCTGGCA

• ATGGACCGT
• UAGGUGGCA

• AUGGACCGU

A segment of DNA that codes for a protein is called a .

• gene
• chromosome

• nucleotide

• amino acid

Tags

NGSS.HS-LS1-1

Which of the following is NOT found within a chromosome?

• Histones

• Genes

• Nitrogen bases

• Ribosomes

Which enzyme is responsible for adding new bases to a DNA strand during replication?

• Helicase

• DNA polymerase

• Catalase

• Ligase