#1
Which organelle is responsible for generating ATP in eukaryotic cells?
Mitochondria
ExplanationMitochondria produce ATP through cellular respiration.
#2
Which of the following is NOT a function of the cell membrane?
Providing structural support to the cell
ExplanationCell membrane functions include selective permeability and cell signaling.
#3
Which of the following organelles contains digestive enzymes that break down waste materials and cellular debris?
Lysosome
ExplanationLysosomes are involved in intracellular digestion.
#4
Which molecule serves as the universal energy currency in cells?
ATP
ExplanationATP stores and transports chemical energy within cells.
#5
In which phase of the cell cycle do cells primarily grow and carry out their normal functions?
G1 phase
ExplanationG1 phase is the primary growth phase of the cell cycle.
#6
What is the name of the process by which cells engulf large particles or even other cells?
Phagocytosis
ExplanationPhagocytosis involves the ingestion of particles by the cell.
#7
Which type of cell division is responsible for producing gametes in sexually reproducing organisms?
Meiosis
ExplanationMeiosis results in the formation of haploid gametes.
#8
What is the primary function of the rough endoplasmic reticulum (RER) in a cell?
Protein synthesis
ExplanationRER synthesizes and modifies proteins.
#9
What is the term for the process by which a cell divides into two daughter cells with identical genetic material?
Mitosis
ExplanationMitosis ensures genetic continuity during cell division.
#10
Which of the following is a characteristic feature of eukaryotic cells but not prokaryotic cells?
Presence of a nucleus
ExplanationEukaryotic cells have a distinct nucleus.
#11
Which of the following statements about prokaryotic cells is true?
They lack a nucleus
ExplanationProkaryotic cells do not contain a membrane-bound nucleus.
#12
Which of the following is NOT a function of the cytoskeleton?
Regulating cell metabolism
ExplanationCytoskeleton functions include cell structure and transport.