Cytochromes are found in

1. matrix of mitochondria

2. outer wall of mitochondria

3. cristae of mitochondria

4. lysosomes

Subtopic:  Mitochondria |
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Which structures perform the function of mitochondria in bacteria?

1. Nucleoid

2. Ribosomes

3. Cell wall

4. Mesosomes

Subtopic:  Mitochondria |
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The solid linear cytoskeletal elements having a diameter of 6nm and made up of a single

type of monomer are known as

1. microtubules

2. microfilaments

3. intermediate filaments

4. lamins

Subtopic:  Cytoskeleton |
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The osmotic expansion of a cell kept in water is chiefly regulated by

1. mitochondria

2. vacuoles

3. plastids

4. ribosomes

Subtopic:  Vacuole |
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The motile bacteria are able to move by

1. fimbriae

2. flagella

3. cilia

4. pili

Subtopic:  Cilia & Flagella |
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A major site for synthesis of lipids is

1. RER

2. SER

3. symplast

4. nucleoplasm

Subtopic:  Endomembrane System (Endopasmic Reticulum) |
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The Golgi complex plays a major role

(1) in trapping the light and tranforming it into chemical energy

(2) in digesting proteins and carbohydrates

(3) as energy transferring organelles

(4) in post translational modificaiton of proteins and glycosidation of lipids

Subtopic:  Golgi Apparatus |
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Which one; of the following organelle in the figure correctly matches with its function?

1. Rough endoplasmic reticulum, formation of glycoproteins

2. Golgi apparatus, protein synthesis

3. Golgi apparatus, formation of carbohydrates

4. Rough endoplasmic reticulum, protein synthesis

Subtopic:  Endomembrane System (Endopasmic Reticulum) |
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Ribosomal RNA is actively synthesized in

1. lysosomes

2. nucleolus

3. nucleoplasm

4. ribosomes

Subtopic:  Nucleus |
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What is true about ribosomes?

1. The prokaryotic ribosomes are 80 S, where S stands for sedimentation coefficient

2. These are composed of ribonucleic acid and proteins

3. These are found only in eukaryotic cells

4. These are self-splicing introns of some RNAs

 

Subtopic:  Ribosome and Inclusion Bodies |
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