QUIZ 1
Actual Questions and Answers
Expert-Verified Explanation
This Exam contains:
✪ 50 Questions and Answers
✪ Multiple-choice and True/False Format
✪ Expert-Verified Explanations
✪ Verified with Trusted Textbooks
1. How are cells specialized?
A) Through mitosis
B) Through translation
C) Through the process of differentiation or maturation
D) Through apoptosis
Answer: C
EXPLANATION: Differentiation is the process by which cells develop specialized functions
and structures.
2. Which of the following is not a specialized cellular function?
A) Respiration
B) Movement
C) Osmosis
D) Secretion
Answer: C
EXPLANATION: Osmosis is a passive transport process, not a specialized function of cells.
3. What are the three general components of a eukaryotic cell?
A) Cell wall, cytoplasm, mitochondria
B) Nucleus, cytoplasm, plasma membrane
C) Golgi complex, ribosomes, plasma membrane
D) DNA, RNA, proteins
Answer: B
EXPLANATION: The nucleus, cytoplasm, and plasma membrane are the core structural
elements of eukaryotic cells.
, 4. What causes the release of lysosomal enzymes?
A) Mitochondrial activity
B) Ribosomal protein synthesis
C) Cellular injury causing cellular self-digestion
D) Osmotic pressure
Answer: C
EXPLANATION: During injury, lysosomal membranes may rupture, releasing enzymes that
digest cellular components.
5. Where is the nucleus located and what is its function?
A) In the cytoplasm; it makes lipids
B) Center of the cell; controls division and genetic information
C) In the plasma membrane; regulates pressure
D) In mitochondria; generates ATP
Answer: B
EXPLANATION: The nucleus is central to the cell and directs all genetic and division
activities.
6. What is cytoplasm?
A) The outer layer of the cell
B) A fluid between nucleus and plasma membrane
C) The organelle that synthesizes ATP
D) The structural skeleton of the cell
Answer: B
EXPLANATION: Cytoplasm is the fluid medium in which organelles are suspended.
7. What is the function of the endoplasmic reticulum?
A) Digesting proteins
B) Synthesizing and transporting proteins and lipids
C) Generating ATP
D) Destroying viruses
Answer: B
EXPLANATION: The ER is a key site for synthesis and transport of proteins and lipids.