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- Question
An important function of fat in the body is to
Options- A. Protect vital organs
- B. Stores energy
- C. Insulate us
- D. All of the above
- Correct Answer
- All of the above
- 1. Bone strength in later life depends on
Options- A. the formation of dense bones during youth
- B. the increased calcium absorption in the elderly
- C. the increased production of estrogen after menopause
- D. reducing physical activity to protect bones Discuss
- 2. In a nucleosome, the DNA is wrapped around
Options- A. histone octamer
- B. helix
- C. double helix
- D. None of the above Discuss
- 3. Which formula represents an amino acid?
Options- A. R-CH3(NH2)-COOH
- B. R-CH(NH2)-COOH
- C. R-CH2(NH2)-COOH
- D. R-CH3(NH2)-COH Discuss
- 4. Which of these best describes genetic drift?
Options- A. Random fluctuations in the gene frequencies within a population Eliminate
- B. The combining of alleles to create more genetic variations within a population
- C. The movement of alleles between population
- D. A planned method to reduce the number of inferior genes in a population Discuss
- 5. What is the unit of heredity?
Options- A. cell
- B. blood
- C. gene
- D. All of the above Discuss
- 6. Cranial bones develop
Options- A. within fibrous membranes
- B. within osseous membranes
- C. from cartilage models
- D. from a tendon Discuss
- 7. Study of Life in outer space is known as
Options- A. Endobiology
- B. Neobiology
- C. Exobiology
- D. Intrabiology Discuss
- 8. Which of the following leads to the production of urea?
Options- A. Synthesis of protein from amino acids
- B. Oxidation of glucose
- C. Degradation of amino acids
- D. Incomplete oxidation of fatty acids Discuss
- 9. Systems biology is mainly an attempt to
Options- A. Understand the behavior of entire biological systems
- B. Speed up the technological application of scientific knowledge
- C. Analyze genomes from different species.
- D. None of the above Discuss
- 10. Which one of the following is a plant hormone?
Options- A. Cytokinin
- B. Oestrogen
- C. Thyroxin
- D. Insulin Discuss
Biology problems
Search Results
Correct Answer: the formation of dense bones during youth
Correct Answer: histone octamer
Correct Answer: R-CH(NH2)-COOH
Explanation:
Amino acids are the building blocks of proteins. There are about 21 essential amino acids in the human body like histidine, leucine, lysine... The general formula for amino acid is R-CH(NH2)-COOH.
Correct Answer: Random fluctuations in the gene frequencies within a population Eliminate
Explanation:
Random fluctuations in the gene frequencies within a population Eliminate is the one which best describes genetic drift.
Correct Answer: gene
Explanation:
Genes are units of heredity.
Correct Answer: within fibrous membranes
Correct Answer: Exobiology
Explanation:
Study of Life in outer space or search of life external to Earth is known as Exobiology.
Correct Answer: Degradation of amino acids
Explanation:
Urea is a by product of amino acid catabolism, Which occurs in the liver. The nitrogen in the amino acid becomes converted to ammonia and this is further converted by the liver into urea
Correct Answer: Understand the behavior of entire biological systems
Explanation:
An approach to studying biology that aims to model the dynamic behavior of whole biological systems based on a study of the interactions among the system's parts.
Correct Answer: Cytokinin
Explanation:
Cytokinins is a Plant hormone which helps in cell division and leads to Growth & formation of shoots, roots & bud.
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