High school biology

Question 1 Which of the following best describes the function of ribosomes in a cell? A) Lipid synthesis B) Protein synthesis C) DNA replication D) ATP production Question 2 In the process of photosynthesis, the light-dependent reactions take place in the: A) Stroma B) Thylakoid membrane C) Cytoplasm D) Mitochondria Question 3 Which type of macromolecule is the primary component of the cell membrane? A) Carbohydrates B) Proteins C) Lipids D) Nucleic acids Question 4 Which of the following is an example of a prokaryotic cell? A) Animal cell B) Plant cell C) Bacterial cell D) Fungal cell Question 5 Which phase of mitosis is characterized by the alignment of chromosomes along the equatorial plate? A) Prophase B) Metaphase C) Anaphase D) Telophase Question 6 Which enzyme is responsible for unwinding the DNA double helix during replication? A) DNA polymerase B) RNA polymerase C) Helicase D) Ligase Question 7 Which of the following is a function of the smooth endoplasmic reticulum? A) Protein synthesis B) Calcium storage C) DNA synthesis D) RNA translation Question 8 In humans, the allele for brown eyes (B) is dominant over the allele for blue eyes (b). If a heterozygous individual (Bb) mates with a homozygous recessive individual (bb), what is the probability that their child will have blue eyes? A) 0% B) 25% C) 50% D) 75% Question 9 Which process in cellular respiration produces the most ATP? A) Glycolysis B) Citric acid cycle C) Oxidative phosphorylation D) Fermentation Question 10 Which of the following best describes the primary function of the large intestine in the human digestive system? A) Absorption of nutrients B) Absorption of water C) Production of bile D) Digestion of proteins