9. Which of the following is a function of the endoplasmic reticulum (ER)?
(A) Protein synthesis
(B) Lipid synthesis
(C)Calcium storage
(D) All of the above

5. Which of the following is NOT a stage of cellular respiration? (A) Glycolysis (B) Pyruvate oxidation (C) Krebs cycle (D) Calvin cycle

6. Which of the following is the correct order of stages in mitosis? (A) Prophase, metaphase, anaphase, telophase (B) Telophase, anaphase, metaphase, prophase (C) Metaphase, prophase, anaphase, telophase (D) Anaphase, prophase, telophase, metaphase

7. Which of the following is a process by which prokaryotic cells can transfer genetic material to other cells? (A) Mitosis (B) Meiosis (C) Fertilization (D)Conjugation

8. Which of the following is a product of the light-dependent reactions of photosynthesis? (A) Glucose (B) ATP (C) Water (D) Carbon dioxide

10. Which of the following is NOT a function of the Golgi apparatus? (A) Protein modification (B) Protein sorting (C) Lipid synthesis (D) Vesicle formation

11. Which of the following is NOT a component of the endomembrane system? (A) Endoplasmic reticulum (B) Golgi apparatus (C) Mitochondria (D) Lysosomes

12. Which of the following is a key feature of epigenetic regulation? (A) Changes in the DNA sequence (B) Regulation of gene expression through non-coding RNA (C) Alterations in the chromatin structure (D) Protein-protein interactions during translation

13. Which of the following is NOT a type of hormone produced by the human pituitary gland? (A) Growth hormone (GH) (B) Adrenocorticotropic hormone (ACTH) (C) Thyroid-stimulating hormone (TSH) (D) Adrenaline

14. Which of the following statements is true regarding mitosis and meiosis? (A) Mitosis results in the production of genetically identical daughter cells, while meiosis results in the production of genetically diverse daughter cells. (B) Mitosis results in the production of genetically diverse daughter cells, while meiosis results in the production of genetically identical daughter cells. (C) Both mitosis and meiosis result in the production of genetically identical daughter cells. (D) Both mitosis and meiosis result in the production of genetically diverse daughter cells.

15. Which of the following statements is true regarding transcription and translation? (A) Transcription occurs in the cytoplasm, while translation occurs in the nucleus. (B) Transcription results in the production of RNA, while translation results in the production of proteins. (C)Transcription results in the production of proteins, while translation results in the production of RNA. (D) Transcription and translation both occur in the nucleus.