Discussion
Home ‣ Biochemistry ‣ Chromatography See What Others Are Saying!
- Question
In reverse phase chromatography, the stationary phase is made
Options- A. non-polar
- B. polar
- C. either non-polar or polar
- D. none of these
- Correct Answer
- non-polar
- 1. Acyl carrier protein (ACP) plays an important role in the biosynthesis of
Options- A. fatty acids
- B. amino acids
- C. sugars
- D. carbohydrates Discuss
- 2. What is the concentration, in moles/liter, of the hydrogen ion, if pH of a solution is 7?
Options- A. 7
- B. 7 x 10-7
- C. 5 x 10-7
- D. 1 x 10-7 Discuss
- 3. From a single molecule of DNA, PCR can make
Options- A. one additional copy
- B. hundreds of copies
- C. thousands of copies
- D. millions of copies Discuss
- 4. If the F and Y angles of each peptide unit in a protein are known, which of the following may also be determined?
Options- A. Complete secondary structure
- B. Complete tertiary structure
- C. Complete quaternary structure
- D. Thermodynamic stability Discuss
- 5. Plant transformation can be obtained by
Options- A. combining plant and animal cells in culture
- B. shooting DNA into plant cells with a gun
- C. using the E. coli bacterium to infect plant roots
- D. infecting plants with a tobacco mosaic virus Discuss
- 6. Eukaryotic mRNA binding to the ribosomes is facilitated by __________ .
Options- A. the Shine Dalgarno sequence
- B. the 7-methyl guanosine cap
- C. tRNA
- D. poly A tail Discuss
- 7. Enzyme-driven metabolic pathways can be made more efficient by
Options- A. concentrating enzymes within specific cellular compartments
- B. grouping enzymes into free-floating, multienzyme complexes
- C. fixing enzymes into membranes so that they are adjacent to each other
- D. All of the above Discuss
- 8. In the enzyme-catalyzed reaction shown below, what will be the effect on substances A, B, C, and D of inactivating the enzyme labeled E2?
A ---(E1)---> B ---(E2)---> C ---(E3)--->
Options- A. A, B, C, and D will all still be produced
- B. A, B, and C will still be produced, but not D
- C. A and B will still be produced, but not C or D
- D. A will still be produced, but not B, C, or D Discuss
- 9. Which of the three subunits of the G proteins binds GDP and GTP?
Options- A. Alpha
- B. Beta
- C. Gamma
- D. Delta Discuss
- 10. Multiple copies of 5S genes, located at a chromosomal site distinct from the other rRNA genes
Options- A. are transcribed by rRNA polymerase III and the 5S rRNA
- B. are transcribed by rRNA polymerase II
- C. are transcribed by rRNA polymerase I and the 5S rRNA
- D. are transcribed by DNA polymerase I Discuss
More questions
Correct Answer: fatty acids
Correct Answer: 1 x 10-7
Correct Answer: millions of copies
Correct Answer: Complete secondary structure
Correct Answer: shooting DNA into plant cells with a gun
Correct Answer: the 7-methyl guanosine cap
Correct Answer: All of the above
Correct Answer: A and B will still be produced, but not C or D
Correct Answer: Alpha
Correct Answer: are transcribed by rRNA polymerase III and the 5S rRNA
Comments
There are no comments.More in Biochemistry:
Programming
Copyright ©CuriousTab. All rights reserved.