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Home ‣ Biochemistry ‣ Minerals See What Others Are Saying!
- Question
Selenium deficiency leads to
Options- A. liver necrosis
- B. diarrhea
- C. multiple sclerosis
- D. Crohn's disease
- Correct Answer
- liver necrosis
- 1. Which of the following is incorrect with regard to antigen epitopes?
Options- A. An epitope may be shared by two different antigens
- B. A protein molecule usually contains multiple epitopes
- C. B cells bind only processed antigen epitopes
- D. Epitopes may be linear or assembled Discuss
- 2. Adding __________ to a breakfast of cereal will help your body absorb iron.
Options- A. milk
- B. orange juice
- C. coffee
- D. water Discuss
- 3. Which of the following pairs of amino acids would carry a negative charge on their side chain at pH 8.0?
Options- A. Asparagine & Glutamine
- B. Leucine & Glycine
- C. Histidine & Lysine
- D. Aspartate & Glutamate Discuss
- 4. Which of the following is necessary for transcription to occur?
Options- A. DNA molecule
- B. RNA polymerase
- C. DNA polymerase
- D. Both DNA & RNA polymerase Discuss
- 5. Molecules in which the atoms are held together by __________ bonds have the strongest chemical linkages.
Options- A. noncovalent
- B. covalent
- C. ionic
- D. hydrogen Discuss
- 6. Biological membranes are like water beds because
Options- A. they are always moving
- B. they (normally) do not leak their contents
- C. the membrane is thin compared to the enclosed volume
- D. all of the above Discuss
- 7. IgE provides
Options- A. immunity against some parasites
- B. complement killings of the cells and phagocytosis
- C. secretions in the body
- D. all of the above Discuss
- 8. Lysosomes are specialized vesicles in __________ that contain digestive enzymes for the breakdown of food. A related organalle known as a vacuole, which is found in __________ , also contains enzymes but in addition may act as a storage organelle for nutrients or water.
Options- A. animals; plants and fungi
- B. plants; animals and fungi
- C. plants and fungi; animals
- D. animals and plants; fungi Discuss
- 9. The DNA is negatively super coiled, complexes to histone,
Options- A. HU
- B. HSP-1
- C. H-NS
- D. All of these Discuss
- 10. In the intestine, the dietary fats are hydrolysed by
Options- A. triacylglycerol lipase
- B. adenylate cyclase
- C. pancreatic lipase
- D. protein kinase Discuss
More questions
Correct Answer: B cells bind only processed antigen epitopes
Correct Answer: orange juice
Correct Answer: Aspartate & Glutamate
Correct Answer: Both DNA & RNA polymerase
Correct Answer: covalent
Correct Answer: all of the above
Correct Answer: immunity against some parasites
Correct Answer: animals; plants and fungi
Correct Answer: All of these
Correct Answer: pancreatic lipase
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