2024 Fall Semester Exam Review part 4

What is the main function of the biological process depicted in the model?

• To duplicate the genetic material before mitosis

• To create a complementary mRNA strand from a DNA sequence

• To translate the genetic code into a specific sequence of amino acids

• To generate nucleotides for DNA repair mechanisms

Tags

NGSS.HS-LS1-1

The diagram illustrates the early stages of gene expression. What process and resulting molecule are shown?

• Process: transcription; product: mRNA

• Process: translation; product: protein

• Process: replication; product: DNA

• Process: splicing; product: introns

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

When a virus incorporates its genetic material into the host cell's genome and remains dormant without causing immediate harm, what is this type of viral cycle called?

• Lysogenic cycle

• Lytic cycle

• Gram negative cycle

• Conjugation cycle

Which phase of mitosis is represented by the image

• Metaphase
• Telophase
• Prophase
• Anaphase

Tags

NGSS.HS-LS1-4

What is a primary function of the G₁ phase in the cell cycle?

• Cellular growth and development

• Synthesis of DNA

• Assembly of the mitotic spindle

• Dissolution of the nuclear envelope

The cell shown above is undergoing which stage of cell division?

• prophase

• metaphase

• anaphase

• telophase

Tags

NGSS.HS-LS1-4

At the end of mitosis, how many daughter cells are produced?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-LS1-4

If a mutation changes the genetic code of a protein but retains its function and shows no other noticeable differences. This type of mutation is referred to as

• Missense Mutation

• Silent Mutation

• Nonsense Mutation

• Frameshift Mutation

Tags

NGSS.HS-LS3-2

What is the result of a single nucleotide change in a DNA sequence that changes the amino acid sequence of a protein?

• Substitution mutation

• Inversion mutation

• Translocation

• Chromosomal mutation

Tags

NGSS.HS-LS3-2

Which type of mutation results in a incomplete protein due to an early stop codon?

• Missense mutation

• Silent mutation

• Frameshift mutation

• Nonsense mutation