BIOS 242 ACTUAL EXAM SCRIPT 2026 FULL QUESTIONS AND CORRECT ANSWERS

BIOS 242 ACTUAL EXAM SCRIPT 2026
FULL QUESTIONS AND CORRECT
ANSWERS


◉ What is differential staining?
Answer: distinguishes between bacteria types


◉ What does Gram stain identify?
Answer: Gram positive vs Gram negative


◉ What is acid-fast stain used for?
Answer: Mycobacterium


◉ What is endospore stain used for?
Answer: detects spores


◉ What is capsule stain used for?
Answer: detects capsules


◉ Where does DNA replication occur?

, Answer: nucleus


◉ What happens during DNA replication?
Answer: DNA is unwound and copied into two identical strands


◉ What enzyme is involved in DNA replication?
Answer: DNA polymerase


◉ Where does transcription occur?
Answer: nucleus


◉ What happens during transcription?
Answer: DNA is used to make mRNA


◉ What enzyme is used in transcription?
Answer: RNA polymerase


◉ Where does translation occur?
Answer: ribosome


◉ What happens during translation?
Answer: mRNA is used to build protein