Question

Which macromolecule functions for long term energy storage? A. Simple sugars B. Fats C. Enzymes D....

Which macromolecule functions for long term energy storage?

A. Simple sugars

B. Fats

C. Enzymes

D. DNA

Of the following mixtures in various test tubes, which would you expect to observe the formation of bubbles of CO2?

A. Water, sugar, and yeast.

B. Water and sugar.

C. Water alone.

D. Water and yeast.

You add an equal volume of water to an unknown chemical liquid. You notice that the unknown chemical and the water form two seperate layers and the unknown chemical does not dissolve in the water. What can we assume about the unknown chemical?

A. It is a polar chemical.

B. It would taste great on a salad.

C. It is a nonpolar chemical.

D. It is neither polar nor nonpolar.


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Answer #1

Which macromolecule functions for long term energy storage?

B) Fats

Of the following mixtures in various test tubes, which would you expect to observe the formation of bubbles of CO2?

A) Water, sugar, and yeast

What can we assume about the unknown chemical?

C) It is a nonpolar chemical

Water attracts other polar molecules but they do not attract nonpolar molecules. So, it will not dissolve.

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