Posted: February 22nd, 2017

Which of the following structures is present in both prokaryotic and eukaryotic cells? A. Golgi apparatus B. Cell membrane C. Endoplasmic reticulum D. Chloroplast

2. Which of the following is the balanced equation for photosynthesis in plant cells? For this one, the formats of the answers are messed up. The balanced formula is 6Co2+6H20+Energy = C6H12O6+6O2. Looking at the answers I think B is the one with the correct formula but cannot be sure. A 3C0+ 3H0 + Energy –)-CH120 + 30 2 266 2 B. 6C0+ 6Hp + Energy–)-CHp + 60 2 616 2 C. CH0 + 30–)-3C0+ 3H0 + Energy 6126 2 2 2 D. CHp + 60–)-6C0+ 6Hp + Energy 616 2 2

13. Which of the following classes of biomolecules are frequently responsible for bringing about cell differentiation? A. Transcription factors B. lnterleukins C. Cytokines D. Nucleotidyl transferases

14. Which of the following is the pH when the concentrations of hydrogen ions and hydroxide ions in an aqueous solution are equal? A. 14 B. 7 C. 1 D. 0

15. Which of the following structures is present in both prokaryotic and eukaryotic cells? A. Golgi apparatus B. Cell membrane C. Endoplasmic reticulum D. Chloroplast

16. Which of the following is the purpose of valves in the venous circulatory system? A. Promoting movement of oxygenated blood toward the heart B. Facilitating stasis of blood in the veins C. Propelling blood through the vena cava D. Preventing backward flow of deoxygenated blood

17. Which of the following cellular organelles is the site of translation during protein synthesis? A. Cell membrane B. Nucleolus C. Golgi apparatus D. Ribosome