2024 Biology Fall Final Exam: On-Level

Front

What enzyme is responsible for unzipping the two strands of DNA during replication?

Back

Helicase

Front

Where in the cell does DNA replication occur?

Back

Nucleus

Front

What is a prokaryote?

Back

A single-celled organism that lacks a membrane-bound nucleus, mitochondria, or any other membrane-bound organelle.

Front

What is the result of an error in the transcription of a DNA nucleotide?

Back

A codon sequence is incorrect.

Front

What is the relationship between photosynthesis and cellular respiration?

Back

The products of one are the reactants of the other.

Front

What is the function of DNA polymerase?

Back

DNA polymerase is the enzyme that synthesizes new DNA strands by adding nucleotides to a growing chain during DNA replication.

Front

What is the role of ribosomes in protein synthesis?

Back

Ribosomes are the cellular structures where proteins are synthesized by translating mRNA into amino acid sequences.

Front

Define eukaryote.

Back

An organism whose cells contain a nucleus and other membrane-bound organelles.

Front

What is transcription in the context of genetics?

Back

Transcription is the process of copying a segment of DNA into RNA.

Front

What are the main stages of the cell cycle?

Back

The main stages of the cell cycle are interphase (G1, S, G2) and mitotic phase (M).