Which type of cell junction connects cells through transmembrane proteins.
a) Tight junction
b) Gap junction
c) Adherens junction
d) Basal junction
Answer: c) Adherens junction
Which organelle is responsible for synthesizing and modifying proteins.
a) Lysosome
b) Peroxisome
c) Endoplasmic reticulum
d) Golgi apparatus
Answer: c) Endoplasmic reticulum
Which type of transport involves the engulfing of particles by the cell membrane.
a) Passive transport
b) Active transport
c) Endocytosis
d) Exocytosis
Answer: c) Endocytosis
Which organelle is responsible for maintaining the cell shape and structure.
a) Lysosome
b) Peroxisome
c) Endoplasmic reticulum
d) Cytoskeleton
Answer: d) Cytoskeleton
Which type of cell division results in the formation of two identical daughter cells.
a) Mitosis
b) Meiosis
c) Cytokinesis
d) Apoptosis
Answer: a) Mitosis
Which type of transport involves the movement of molecules through a protein channel.
a) Passive transport
b) Active transport
c) Endocytosis
d) Exocytosis
Answer: b) Active transport
Which organelle is responsible for photosynthesis in plant cells.
a) Chloroplast
b) Mitochondria
c) Endoplasmic reticulum
d) Golgi apparatus
Answer: a) Chloroplast
Which type of cytoskeletal fiber is involved in muscle contraction.
a) Actin filaments
b) Microtubules
c) Intermediate filaments
d) All of the above
Answer: a) Actin filaments
Which organelle is responsible for breaking down and digesting macromolecules.
a) Lysosome
b) Peroxisome
c) Endoplasmic reticulum
d) Golgi apparatus
Answer: a) Lysosome
Which type of cell junction is found in epithelial tissues to prevent the leakage of fluids.
a) Tight junction
b) Gap junction
c) Adherens junction
d) Basal junction
Answer: a) Tight junction