Subject: Bio - Chemistry

#209

Which of the following phospholipids is localized to a greater extent in the outer leaflet of the membrane lipid bilayer?

A) Choline phosphoglycerides

B) Ethanolamine phosphoglycerides

C) Inositol phosphoglycerides

D) Serine phosphoglycerides

Answer:   A

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#210

All the following processes occur rapidly in the membrane lipid bilayer except

A) Flexing of fatty acyl chains

B) Lateral diffusion of phospholipids

C) Transbilayer diffusion of phospholipids

D) Rotation of phospholipids around their long axes

Answer:   C

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#211

Which of the following statement is correct about membrane cholesterol?

A) The hydroxyl group is located near the centre of the lipid layer

B) Most of the cholesterol is in the form of a cholesterol ester

C) The steroid nucleus forms a rigid, planar structure

D) None of the above

Answer:   C

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#212

Which one is the heaviest particulate component of the cell?

A) Nucleus

B) Mitochondria

C) Cytoplasm

D) Golgi apparatus

Answer:   A

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#213

Which one is the largest particulate of the cytoplasm?

A) Lysosomes

B) Mitochondria

C) Golgi apparatus

D) Endoplasmic reticulum

Answer:   B

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#214

The degradative processes are categorized under the heading of

A) Anabolism

B) Catabolism

C) Metabolism

D) None of the above

Answer:   B

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#215

The exchange of material takes place

A) Only by diffusion

B) Only by active transport

C) Only by pinocytosis

D) All of these

Answer:   D

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#216

The average pH of Urine is

A) 7.0

B) 6.0

C) 8.0

D) 0.0

Answer:   B

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