Cell Biology (IFS Botany (Mains)): Questions 1 - 4 of 4

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Question number: 1

» Cell Biology » Techniques

Appeared in Year: 2015

Short Answer Question▾

Write in Short

What are ‘carrier proteins’? Describe the ion uptake mechanism in plants mediated by carrier proteins. (Paper 2, Section B)

Question number: 2

» Cell Biology » Cell Cycle

Appeared in Year: 2015

Essay Question▾

Describe in Detail

Write brief notes on: “Tricarboxylic acid cycle is an amphibolic process. ” Explain. (Paper 2, Section B)

Explanation

  • Tricarboxylic acid cycle (TCA) is also called as Citric acid cycle or Kreb’s cycle.
  • Amphibolic pathway is a biochemical pathway that serves both anabolic and catabolic processes. An important example of an amphibolic pathway is the Krebs cycle, which involves both the catabolism of carbohydrates and fatty acids and the… (322 more words) …

Question number: 3

» Cell Biology » Ribosomes

Appeared in Year: 2014

Essay Question▾

Describe in Detail

Explain the following in about 150 words each: Ribosomes are synthesized? (Paper 2 - Section A)

Explanation

  • Ribosome is a complex of ribosomal ribonucleic acid (rRNA) and protein.

  • The rRNA part is synthesized from the original message called DNA in the nucleus, particularly in a region called nucleolus.

  • Molecules of rRNA are synthesized in a specialized region of the cell nucleus called the nucleolus, which appears as… (176 more words) …

Question number: 4

» Cell Biology » Chromosomes

Appeared in Year: 2014

Essay Question▾

Describe in Detail

Explain the following in about 150 words each: Basic chromosome number may be different from haploid number. (Paper 2 - Section A)

Explanation

  • The number of chromosomes per cell is fixed for a given species.
  • In human beings, the number of chromosome is 46, this is called diploid number where in gametes, and the number of chromosomes is only half of the diploid number and is 23 and is called haploid number. The… (259 more words) …

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