The following are features of an animal cell except
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The cell wall contains cellulose and lignin that makes it
A. a rigid and protective structure
B. a flexible and protective structure
C. a flexible and elastic structure
D. a rigid and collapsible structure
Answer: A
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The living parts of a cell include the following except
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........... Is a membraneous organelle composed of flattened, sac-like cisternae stacked on each other
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The following are absent in prokaryotes except
A. protein molecules in cell membrane
B. membrane enclosed nucleus
C. endoplasmic reticulum to which ribosomes are bound
D. mitochondria
Answer: A
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The cytoplasmic membrane is composed of
A. proteins and phospholipids
B. phospholipis and carbohydrates
C. carbohydrates and fats
D. fats and phospholipids
Answer: A
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What is the site of protein synthesis in a cell?
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RNA is ...........stranded
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.......... DNA are found in natural form
A. single stranded
B. double stranded,
C. multiple stranded
D. triple stranded
Answer: B
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If an animal bleeds profusely during dissection, what should you do?
A. dip a piece of cotton wool in alcohol and place it on the affected organ's blood vessel
B. pad the organ that is bleeding with cotton wool and tie it with rope
C. Cover the bleeding part with cotton wool and exert pressure on it
D. close up the animal and discard it
Answer: A
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