Unit 2.2 Practice

What is a mutation?

• Change in DNA sequence
• Faulty protein
• Genetic disorder
• None of the above
• Ribonucleic acid

Tags

NGSS.HS-LS3-2

Which base is not present in RNA?

• Adenine
• Thymine
• Guanine
• Cytosine
• Uracil

The NF1 gene regulates what process?

• Glycolysis
• Digestion
• Mitosis
• Respiration
• None of the above

What is the first amino acid in every human protein?

• Methionine
• Tyrosine
• Lysine
• Alanine
• Valine

What is the role of mRNA in protein synthesis?

• Carries DNA's instructions
• Translates proteins
• Binds with ribosomes
• Catalyzes reactions
• None of the above

A codon is a sequence of how many mRNA bases?

• 1
• 2
• 3
• 4
• 5

What is the result of a substitution mutation?

• One base is exchanged for another
• One base is inserted into a sequence
• One base is deleted from a sequence
• A complete sequence is removed
• None of the above

Tags

NGSS.HS-LS3-2

Which nucleotide base is unique to RNA?

• Cytosine
• Guanine
• Adenine
• Uracil
• Thymine

How many types of nucleotides are present in DNA?

• 2
• 3
• 4
• 5
• 6

Genetic disorders are primarily caused by changes in what?

• Proteins
• Cells
• Organs
• Sequence of DNA bases
• Blood type

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-2