Question 17 Not yet answered Marked out of 1.14 Which of the following provides

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Question 17 Not yet answered Marked out of 1.14 Which of the following provides long-term energy storage for plants? Select one a. Glucose Ob. Glycogen c. Starch d. Cellulose Flag question e. ATP Question 18 Not yet answered Marked out of 1.14 Which of the following statements about water is a false statement? Select one a. Polar and ionic molecules dissolve in it Flag question b. It is part of all living organisms c. It has low specific heat, so a small amount of heat will increase its temperature d. It can be acidic, basic or neutral in pH e. The atoms comprising water do not equally share electrons Question 19 Not yet answered Marked out of 1.14 Which of these is an example of a protein Select one a. hemoglobin b. cellulose c. estrogen d. ATP e. all of these Flag question

Explanation / Answer

17.c.Starch is a polymer made by plants to store energy.

18.c.Water has a very high specific heat. That means it needs to absorb a lot of energy before its temperature changes.

19.Hemoglobin is a protein.

20.b.Carbon has the valency 4 hence it can form 4 bonds and not 3.

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