SUFFOLK COUNTY COMMUNITY COLLEGE Biology Department Bio 130 - Anatomy & Physiology I Test 2 Practice Questions 1. TRNA: a. Contains deoxyribose b. Differs from DNA in that adenine pairs off with thymine c. Contains the anticodon needed for protein synthesis d. "a" and "b" of the above e. all of the above 2. Which molecule is involved in oxidation/reduction reactions? a. TRNA d. MRNA b. DNA e. all of the above c. NAD 3. with: In the structure of RNA, Adenine complementary base pairs a. adenine (A) b. thymine (T) c. guanine (G) d. uracil (U) e. cytosine (C) 4. The production MRNA is known as: a. translation d. All the above b. transcription e. None of the above c. replication 5. If the DNA code is AATCGC, the complementary m-RNA code will be: a. UUGACC d. AATCGC b. CCGCCG e. GGACGA c. UUAGCG 6. MRNA: a. complements with DNA b. complements with TRNA c. transports amino acids d. a and b e. all of the above 7. Protein synthesis occurs on the: a. ribosomes b. mitochondria c. nucleus d. smooth endoplasmic reticulum e. cytosol 8. The nuclear membrane characteristically disappears during: a. interphase d. telophase b. prophase e. metaphase c. anaphase 9. The majority of the cell’s life is in what phase? a. metaphase d. anaphase b. telophase e. interphase c. prophase 10. Metabolism involves: a. includes anabolic reactions b. includes catabolic reactions c. includes cellular respiration d. a and b e. all the above 11. Which of the following are end products of cellular respiration a. H20 d. heat b. C02 e. all oft he above c. ATP 12. The synthesis of ATP: a. occurs primarily in the cytoplasm. b. can occur in the absence of oxygen c. is needed for passive transport d. "a" and "b" of the above e. "b" and "c" of the above 13. What is the total number of ATP molecules produced the ETC from 1 glucose molecule? a. 2 d. 32 b.30 e. 40 c.36 14. Pyruvic acid is the end product of: a. Krebs cycle d. all of the above b. Glycolysis e. none of the above c. Electron transport chain 15. The electron transport chain differs from glycolysis in that? a. it occurs in the cytoplasm of the cell b. oxygen is required c. a net of 4 ATP molecules are produced in the ETC d. Carbon dioxide is produced e. None of the above 16. FADH: a. b. c. d. e. Is active in the citric acid cycle Is considered reduced is a co-enzyme all the above none of the above 17. Which one of the following processes requires oxygen? a. glycolysis d. fermentation b. lactic acid production e. none of the above c. electron transport system 18. The lungs are lined with a stratified squamous epithelium. True/ False 19. DNA is confined to the nucleus while RNA is to the cytoplasm . True /False 20. . ___ are both found in RNA but neither of them is found in DNA. A. Adenine and ribose B. Adenine and guanine C. Deoxyribose and uracil D. Ribose and uracil E. Thiamine and uracil 21 . What stage of mitosis does the sister chromatids separate from each other? A. prophase. B. metaphase. C. anaphase. D. telophase. E. interphase 22. Transcription occurs in the ______, while translation occurs in the _____. A. nucleus; cytoplasm B. nucleus; nucleolus C. cytoplasm; nucleus D. nucleolus; cytoplasm E. nucleus: rough endoplasmic reticulum 23. G1, S, and G2 are collectively called A. prophase. B. telophase. C. cytokinesis. D. interphase. E. anaphase 24. The shape of a person's external ear is due mainly to A. dense regular connective tissue. B. dense irregular connective tissue. C. elastic cartilage. D. fibrocartilage. E. hyaline cartilage 25. Simple cuboidal epithelium is found in _____ and its function is _____. A. kidney tubules; absorption B. salivary glands; digestion C. small intestine; secretion D. lung; diffusion E. esophagus; protection 26. Excessive intake of carbohydrates will result in the production of ?: a. proteins d. nucleotides b. fats e. amino acids c. nucleic acids 27. The urinary bladder is lined by which type of epithelium? a. simple squamous d. pseudostratified b. transitional e. simple columnar c. cuboidal 28. The epidermis of your skin is an example of which of? a. simple squamous epithelium b. stratified squamous epithelium c. pseudostratified cilliated epithelium d. transitional epithelium e. none of the above 29. Lactic acid is produced when: a. pyruvic acid is converted to an acetyl group b. NADH can enter the electron transport system c. NADH transfers its hydrogen’s to pyruvic acid d. none of the above 30. Which phase of cellular respiration is responsible for the most ATP production? a. Glycolysis b. Krebs cycle c. ETC d. none of the above e. all the above.