471. The fatty acids can be transported intoand out of mitochondria through
A. Active transport
B. Facilitated transfer
C. Non-facilitated transfer
D. None of these

472. Mitochondrial DNA is
A. Circular double stranded
B. Circular single stranded
C. Linear double helix
D. None of these

473. The absorption of intact protein from thegut in the foetal and newborn animalstakes place by
A. Pinocytosis
B. Passive diffusion
C. Simple diffusion
D. Active transport

474. The cellular organelles called “suicidebags” are
A. Lysosomes
B. Ribosomes
C. Nucleolus
D. Golgi’s bodies

475. From the biological viewpoint, solutionscan be grouped into
A. Isotonic solution
B. Hypotonic solutions
C. Hypertonic solution
D. All of these

476. Bulk transport across cell membrane isaccomplished by
A. Phagocytosis
B. Pinocytosis
C. Extrusion
D.All of these

477. The ability of the cell membrane to act asa 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

478. 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

479. A lipid bilayer is permeable to
A. Urea
C. Glucose
D. Potassium

480. The Golgi complex
A. Synthesizes proteins
B. Produces ATP
C. Provides a pathway for transporting chemicals
D. Forms glycoproteins

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