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- Question
If the oxygen is labeled in CO2 and provide this CO2 to a plant, where it is expected to find this labeled oxygen after the plant had undergone photosynthesis?
Options- A. In the water used
- B. In the NADPH
- C. In the carbohydrate produced
- D. In the oxygen given off by the plant
- Correct Answer
- In the carbohydrate produced
- 1. Which of the following blood proteins can destroy pathogens?
Options- A. Major histocompatibility complex
- B. Platelets
- C. Fibrinogen
- D. Complement system Discuss
- 2. Gluconeogenesis uses
Options- A. 3 ATPs and 2 GTPs per glucose
- B. 2 ATPs and 1 GTPs per glucose
- C. 3 ATPs and 3 GTPs per glucose
- D. 4 ATPs and 2 GTPs per glucose Discuss
- 3. PCR can be used to amplify a specific fragment of DNA from which of the following?
Options- A. A drop of blood
- B. A hair follicle
- C. A fragment of skin
- D. All of these Discuss
- 4. What is the name given to the points at which a DNA helix is unwound and new strands develop?
Options- A. Replication origins
- B. Replication forks
- C. Leading strands
- D. Okazaki fragments Discuss
- 5. In the past, IR spectra had to be aquired one wavelength at a time, which took a long time. Today quick spectra is due to the
Options- A. the Fourier Transfer Algorithm allows us to scan all frequencies at once
- B. light is faster today that it used to be
- C. absence of broad spectrum of wavelenth
- D. none of the above Discuss
- 6. An early sign of retinol deficiencies in man is
Options- A. night blindness
- B. keratinization
- C. xeropthalmia
- D. none of these Discuss
- 7. Arachidonate has 20 carbon atoms with
Options- A. 3 double bonds
- B. 2 double bonds
- C. 4 double bonds
- D. 8 double bonds Discuss
- 8. Lysine is degraded to acetoacetyl CoA and is described as a
Options- A. ketogenic amino acid
- B. glucogenic amino acid
- C. keto-gluco amino acid
- D. none of these Discuss
- 9. The hormones, glucagon and epinephrine, stimulate glycogen breakdown to G-6-P
Options- A. only in the liver
- B. using ATP as the phosphoryl donor
- C. directly, by binding to glycogen phosphorylase
- D. indirectly, by first stimulating adenylate cyclase to make cAMP Discuss
- 10. Vitamin B12 is useful in the prevention and treatment of
Options- A. pernicious anemia
- B. scurvy
- C. cataract
- D. beri-beri Discuss
More questions
Correct Answer: Complement system
Correct Answer: 4 ATPs and 2 GTPs per glucose
Correct Answer: All of these
Correct Answer: Replication forks
Correct Answer: the Fourier Transfer Algorithm allows us to scan all frequencies at once
Correct Answer: night blindness
Correct Answer: 4 double bonds
Correct Answer: ketogenic amino acid
Correct Answer: indirectly, by first stimulating adenylate cyclase to make cAMP
Correct Answer: pernicious anemia
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