BIOS 255 Week 2 Quiz Exam final (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. Which cellular organelle is the site of ATP production?
A. Nucleus
B. Mitochondria
C. Ribosome
D. Endoplasmic reticulum
Correct Answer: B
Rationale: Mitochondria generate ATP through cellular respiration.
2. Which process breaks down glucose to produce energy?
A. Photosynthesis
B. Glycolysis
C. Transcription
D. Translation
Correct Answer: B
Rationale: Glycolysis converts glucose into pyruvate, releasing
energy.
,3. Where does glycolysis occur?
A. Cytoplasm
B. Nucleus
C. Mitochondrial matrix
D. Ribosome
Correct Answer: A
Rationale: Glycolysis takes place in the cytoplasm of the cell.
4. Which molecule stores genetic information?
A. RNA
B. DNA
C. ATP
D. Protein
Correct Answer: B
Rationale: DNA contains the instructions for all cellular functions.
5. Which process synthesizes RNA from DNA?
A. Translation
B. Transcription
C. Replication
D. Splicing
Correct Answer: B
Rationale: RNA polymerase transcribes DNA into RNA.
6. Which nucleotide is unique to RNA?
,A. Thymine
B. Uracil
C. Adenine
D. Cytosine
Correct Answer: B
Rationale: RNA uses uracil instead of thymine.
7. Which organelle is responsible for protein synthesis?
A. Mitochondria
B. Ribosome
C. Nucleus
D. Golgi apparatus
Correct Answer: B
Rationale: Ribosomes translate mRNA into proteins.
8. Which RNA carries amino acids to the ribosome?
A. mRNA
B. tRNA
C. rRNA
D. snRNA
Correct Answer: B
Rationale: tRNA delivers specific amino acids for protein assembly.
9. What is the primary function of rRNA?
, A. Carry amino acids
B. Form ribosome structure
C. Carry genetic code
D. Splice mRNA
Correct Answer: B
Rationale: rRNA forms the structural and functional core of
ribosomes.
10. Which RNA type is involved in mRNA splicing?
A. mRNA
B. tRNA
C. rRNA
D. snRNA
Correct Answer: D
Rationale: snRNA is part of the spliceosome complex.
11. Where does transcription occur in eukaryotes?
A. Cytoplasm
B. Nucleus
C. Ribosome
D. Mitochondria
Correct Answer: B
Rationale: DNA is located in the nucleus, so transcription occurs
there.
12. Which codon signals the start of translation?
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. Which cellular organelle is the site of ATP production?
A. Nucleus
B. Mitochondria
C. Ribosome
D. Endoplasmic reticulum
Correct Answer: B
Rationale: Mitochondria generate ATP through cellular respiration.
2. Which process breaks down glucose to produce energy?
A. Photosynthesis
B. Glycolysis
C. Transcription
D. Translation
Correct Answer: B
Rationale: Glycolysis converts glucose into pyruvate, releasing
energy.
,3. Where does glycolysis occur?
A. Cytoplasm
B. Nucleus
C. Mitochondrial matrix
D. Ribosome
Correct Answer: A
Rationale: Glycolysis takes place in the cytoplasm of the cell.
4. Which molecule stores genetic information?
A. RNA
B. DNA
C. ATP
D. Protein
Correct Answer: B
Rationale: DNA contains the instructions for all cellular functions.
5. Which process synthesizes RNA from DNA?
A. Translation
B. Transcription
C. Replication
D. Splicing
Correct Answer: B
Rationale: RNA polymerase transcribes DNA into RNA.
6. Which nucleotide is unique to RNA?
,A. Thymine
B. Uracil
C. Adenine
D. Cytosine
Correct Answer: B
Rationale: RNA uses uracil instead of thymine.
7. Which organelle is responsible for protein synthesis?
A. Mitochondria
B. Ribosome
C. Nucleus
D. Golgi apparatus
Correct Answer: B
Rationale: Ribosomes translate mRNA into proteins.
8. Which RNA carries amino acids to the ribosome?
A. mRNA
B. tRNA
C. rRNA
D. snRNA
Correct Answer: B
Rationale: tRNA delivers specific amino acids for protein assembly.
9. What is the primary function of rRNA?
, A. Carry amino acids
B. Form ribosome structure
C. Carry genetic code
D. Splice mRNA
Correct Answer: B
Rationale: rRNA forms the structural and functional core of
ribosomes.
10. Which RNA type is involved in mRNA splicing?
A. mRNA
B. tRNA
C. rRNA
D. snRNA
Correct Answer: D
Rationale: snRNA is part of the spliceosome complex.
11. Where does transcription occur in eukaryotes?
A. Cytoplasm
B. Nucleus
C. Ribosome
D. Mitochondria
Correct Answer: B
Rationale: DNA is located in the nucleus, so transcription occurs
there.
12. Which codon signals the start of translation?
