#1
Which organelle is responsible for generating ATP through aerobic respiration?
Mitochondrion
ExplanationMitochondria generate ATP through aerobic respiration.
#2
What is the primary function of the Golgi apparatus?
Modification and packaging of proteins
ExplanationThe Golgi apparatus modifies and packages proteins for secretion.
#3
Which molecule serves as the primary energy currency of the cell?
ATP
ExplanationATP serves as the primary energy currency of the cell.
#4
What is the function of the endoplasmic reticulum (ER) in a cell?
Lipid synthesis
ExplanationThe endoplasmic reticulum is involved in lipid synthesis.
#5
What is the main function of the mitochondria in a cell?
Cellular respiration
ExplanationThe main function of mitochondria is cellular respiration.
#6
Which enzyme is responsible for unwinding the DNA double helix during replication?
Helicase
ExplanationHelicase unwinds the DNA double helix during replication.
#7
What is the name of the process by which cells engulf large particles by forming vesicles around them?
Phagocytosis
ExplanationPhagocytosis is the process of engulfing large particles by forming vesicles.
#8
Which organelle is responsible for detoxification and metabolism of drugs in liver cells?
Peroxisome
ExplanationPeroxisomes are responsible for detoxification and drug metabolism in liver cells.
#9
What is the function of ribosomes in a cell?
Protein synthesis
ExplanationRibosomes are responsible for protein synthesis in the cell.
#10
Which enzyme is responsible for adding nucleotides to the growing DNA strand during replication?
DNA polymerase
ExplanationDNA polymerase adds nucleotides to the growing DNA strand during replication.
#11
Which of the following metabolic pathways occurs in the cytoplasm of the cell?
Glycolysis
ExplanationGlycolysis occurs in the cytoplasm of the cell.
#12
Which of the following is NOT a stage of cellular respiration?
Transcription
ExplanationTranscription is not a stage of cellular respiration.
#13
Which of the following is NOT a function of the cell membrane?
Synthesizing proteins
ExplanationThe cell membrane does not synthesize proteins.
#14
What is the main function of the lysosomes in a cell?
Digestion and recycling of cellular waste
ExplanationLysosomes function in the digestion and recycling of cellular waste.
#15
Which metabolic pathway occurs in the absence of oxygen and produces lactic acid or ethanol as byproducts?
Fermentation
ExplanationFermentation occurs in the absence of oxygen, producing lactic acid or ethanol.