Biochemistry - Mock Test 128

Question 1271

Mature erythrocytes do not contain?

A) Glycolytic enzymes B) HMP shunt enzymes C) Pyridine nucleotide D) ATP

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Question 1272

Enzymes catalyzing electron transport are present mainly in the?

A) Ribosomes B) Endoplasmic reticulum C) Lysosomes D) Inner mitochondrial membrane

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Question 1273

Fatty acids can be transported into and out of cell membrane by?

A) Active transport B) Facilitated transport C) Diffusion D) Osmosis

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Question 1274

The following substances are cell inclusions except?

A) Melanin B) Glycogen C) Lipids D) Centrosome

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Question 1275

The following points about microfilaments are true except?

A) They form cytoskeleton with microtubules B) They provide support and shape C) They form intracellular conducting channels D) They are involved in muscle cell contraction

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Question 1276

The Golgi complex?

A) Synthesizes proteins B) Produces ATP C) Provides a pathway for transporting chemicals D) Forms glycoproteins

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Question 1277

A lipid bilayer is permeable to?

A) Urea B) Fructose C) Glucose D) Potassium

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Question 1278

Carrier protein can?

A) Transport only one substance B) Transport more than one substance C) Exchange one substance to another D) Perform all of these functions

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Question 1279

The ability of the cell membrane to act as a selective barrier depends upon?

A) The lipid composition of the membrane B) The pores which allows small molecules C) The special mediated transport systems D) All of these

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Question 1280

Bulk transport across cell membrane is accomplished by?

A) Phagocytosis B) Pinocytosis C) Extrusion D) All of these

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