Discussion
Home ‣ Biochemistry ‣ Structure and Properties of Amino Acids See What Others Are Saying!
- Question
Protein fluorescence arises primarily from which residue?
Options- A. Arginine
- B. Tryptophan
- C. Tyrosine
- D. Phenylalanine
- Correct Answer
- Tryptophan
- 1. Which of the following amino acids can interact with the DNA or RNA nucleotide bases via hydrogen bonding?
Options- A. Asn and Gln
- B. Cys and Met
- C. Lys and Leu
- D. Ile and Val Discuss
- 2. H2O and CH4 are both examples of
Options- A. molecules
- B. ions
- C. acids
- D. none of these Discuss
- 3. Which of the following immune cells would have an especially low count in a patient with advanced AIDS?
Options- A. Killer T lymphocytes
- B. Helper T lymphocyte
- C. B lymphocytes
- D. None of these Discuss
- 4. An autoimmune disease is
Options- A. AIDS
- B. Measles
- C. Lupus
- D. Mumps Discuss
- 5. Southern blotting involves
Options- A. electrophoresis of DNA molecules and then blotting the separated DNA bands followed by incubation
- B. electrophoresis of DNA molecules and then blotting the separated RNA bands followed by incubation
- C. electrophoresis of DNA molecules followed by incubation
- D. electrophoresis of RNA molecules and then blotting the separated RNA bands followed by incubation Discuss
- 6. The lowest energy value lipid for human nutrition is
Options- A. olive oil
- B. olestra
- C. margarine
- D. cardiolipih Discuss
- 7. The main function of antibodies is to
Options- A. kill all the foreign bodies
- B. generate antigens, thus conferring immunization
- C. protect the circulatory system
- D. chemically combine with the antigen which induces it, inactivate the antigen and protect the body from disease Discuss
- 8. Nucleotide bases and aromatic amino acids absorb light respectively at
Options- A. 280 and 260 nm
- B. 260 and 280 nm
- C. 270 and 280 nm
- D. 260 and 270 nm Discuss
- 9. An example of a digestive hormone is
Options- A. lipase
- B. pepsin
- C. amylase
- D. gastrin Discuss
- 10. In membranes, lipids are
Options- A. glycerophospholipids
- B. sphingolipids
- C. sterols
- D. all of these Discuss
More questions
Correct Answer: Asn and Gln
Correct Answer: molecules
Correct Answer: Helper T lymphocyte
Correct Answer: Lupus
Correct Answer: electrophoresis of DNA molecules and then blotting the separated DNA bands followed by incubation
Correct Answer: olestra
Correct Answer: chemically combine with the antigen which induces it, inactivate the antigen and protect the body from disease
Correct Answer: 260 and 280 nm
Correct Answer: gastrin
Correct Answer: all of these
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