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B.Sc Biochemistry Cell: The Unit of Life — practice questions

Explore 11 free Cell: The Unit of Life questions in B.Sc Biochemistry Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Cell: The Unit of Life questions and exercises with answers

Showing questions 1–11 of 11.

A feature common to plant sieve-tube cells and mature mammalian RBCs isRead the answer and worked solution →The 'powerhouse of the cell' is theRead the answer and worked solution →A feature common to prokaryotes and many eukaryotes (e.g. plants, fungi) isRead the answer and worked solution →Which organelle is the site of protein synthesis?Read the answer and worked solution →According to the fluid-mosaic model, the cell membrane is composed mainly ofRead the answer and worked solution →Which is absent in a prokaryotic cell?Read the answer and worked solution →Genetic material in a eukaryotic cell is primarily located in theRead the answer and worked solution →The cell theory was NOT proposed byRead the answer and worked solution →Which cell organelle contains hydrolytic enzymes for intracellular digestion?Read the answer and worked solution →Plant cells differ from animal cells in havingRead the answer and worked solution →The endoplasmic reticulum studded with ribosomes is calledRead the answer and worked solution →

Worked practice questions

A feature common to plant sieve-tube cells and mature mammalian RBCs is

  1. absence of nucleus
  2. presence of cell wall
  3. presence of chloroplasts
  4. large vacuole
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Correct answer: A. absence of nucleus

Mature sieve-tube elements lose their nucleus mammalian erythrocytes also lack a nucleus at maturity.

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The 'powerhouse of the cell' is the

  1. ribosome
  2. lysosome
  3. nucleus
  4. mitochondrion
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Correct answer: D. mitochondrion

Mitochondria carry out aerobic respiration, producing most of the cell's ATP.

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A feature common to prokaryotes and many eukaryotes (e.g. plants, fungi) is

  1. mitochondria
  2. membrane-bound organelles
  3. a true nucleus
  4. a cell wall
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Correct answer: D. a cell wall

Both prokaryotes and many eukaryotes (plants, fungi) have cell walls only eukaryotes have a true nucleus and membrane-bound organelles.

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