UNIT 2 Biology SELF QUIZ PDF

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SELF QUIZ...

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Dehydration synthesis leads to formation of: Select one: a. monomers b. polymers c. water and polymers

d. none of the above Feedback The correct answer is: water and polymers

Question 2 Correct Mark 1.00 out of 1.00

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During the breakdown of polymers, which of the following reactions takes place? Select one: a. hydrolysis

b. dehydration c. condensation d. covalent bond Feedback The correct answer is: hydrolysis

Question 3 Correct Mark 1.00 out of 1.00

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An example of a monosaccharide is __________.

Select one: a. fructose b. glucose c. galactose d. all of the above

Feedback The correct answer is: all of the above

Question 4 Correct Mark 1.00 out of 1.00

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Cellulose and starch are examples of: Select one: a. monosaccharides b. disaccharides c. lipids d. polysaccharides

Feedback The correct answer is: polysaccharides

Question 5 Correct Mark 1.00 out of 1.00

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Plant cell walls contain which of the following in abundance? Select one: a. starch

b. cellulose

c. glycogen d. lactose Feedback The correct answer is: cellulose

Question 6 Correct Mark 1.00 out of 1.00

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Lactose is a disaccharide formed by the formation of a __________ bond between glucose and __________. Select one: a. glycosidic; lactose b. glycosidic; galactose

c. hydrogen; sucrose d. hydrogen; fructose Feedback The correct answer is: glycosidic; galactose

Question 7 Correct Mark 1.00 out of 1.00

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Saturated fats have all of the following characteristics except: Select one: a. they are solid at room temperature b. they have single bonds within the carbon chain

c. they are usually obtained from animal sources d. they tend to dissolve in water easily

Feedback The correct answer is: they tend to dissolve in water easily

Question 8 Correct Mark 1.00 out of 1.00

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Phospholipids are important components of __________. Select one: a. the plasma membrane of animal cells

b. the ring structure of steroids c. the waxy covering on leaves d. the double bond in hydrocarbon chains Feedback The correct answer is: the plasma membrane of animal cells

Question 9 Correct Mark 1.00 out of 1.00

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A nucleotide of DNA may contain ________. Select one: a. ribose, uracil, and a phosphate group b. deoxyribose, uracil, and a phosphate group

c. deoxyribose, thymine, and a phosphate group

d. ribose, thymine, and a phosphate group Feedback The correct answer is: deoxyribose, thymine, and a phosphate group

Question 10 Correct Mark 1.00 out of 1.00

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The building blocks of nucleic acids are __________. Select one: a. sugars b. nitrogenous bases c. peptides d. nucleotides

Feedback The correct answer is: nucleotides...