Unit 1 Check Q&As

wrong answers from checks

Review the bonding capacities of carbon, oxygen. hydrogen, and nitrogen and then determine which of the following molecules are most likely to exist

B

In the following diagram of water molecules, the bond labeled x, from O to H is what kind of bond?

polar covalent bond

When Lithium (Li+) joins with a bromine (Br-) to form Lithium Bromine, the resulting bond is a(n) _________ bond

ionic

Water rises in a glass capillary tube because…

d. both a and b together

A common feature of starch and cellulose is that both

polymers of glucose

Of the following organic compounds, the one that represents a fatty acid is_____________

C₁₇H₃₅COOH

A compound with the chemical formula C₅H₁₁COOH would be classified as a(n)

fatty acid

The typical energy storage form of carbohydrates in animals is

glycogen

The carbohydrates glucose, galactose, and fructose have the same chemical formula (C₆H₁₂O₆) but different structural formulas, as represented in the figure.

Which of the following statements about glucose, galactose, and fructose is most likely true?

The carbohydrates have different properties because they have different arrangements of carbon, hydrogen, and oxygen atoms.

An enzyme is an example of a

protein