DNA Structure and Function

What is the term for the process of copying the DNA sequence into a specific sequence of amino acids?

• Mutation
• Transcription
• Translation
• Replication

What is the term for the process of copying the DNA sequence into a molecule called messenger RNA?

• Replication
• Translation
• Transcription
• Mutation

Which of the following is NOT a nitrogenous base found in DNA?

• Uracil
• Thymine
• Adenine
• Cytosine

What is the term for the specific pairing of nitrogenous bases in DNA?

• Selective base pairing
• Mismatched base pairing
• Complementary base pairing
• Random base pairing

Which nitrogenous base always pairs with thymine in DNA?

• Adenine
• Cytosine
• Guanine
• Uracil

What is the relationship between the sequence of bases in DNA and the genetic code?

• The genetic code is random
• The genetic code determines the sequence of bases
• The two are unrelated
• The sequence of bases determines the genetic code

Tags

NGSS.HS-LS1-1

What is the role of DNA in determining an individual's traits and characteristics?

• It directly controls physical appearance
• It influences the expression of genes
• It prevents genetic variation
• It has no impact on traits

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

What is the primary role of DNA in living organisms?

• To regulate cell division
• To produce energy for cells
• To synthesize carbohydrates
• To store and transmit genetic information

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the process by which DNA makes an exact copy of itself before cell division?

• Transcription
• Mutation
• Replication
• Translation

What is the term for the process of copying DNA to ensure each new cell receives an exact copy of genetic information?

• Replication
• Translation
• Transcription
• Mutation