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Question 1

If an atom loses electrons in a redox reaction, we say this atom was:

Question 2

In the reaction CrO +H2 H2O + Cr, the element being reduced is:

Question 3

What is the oxidizing agent in the reaction Fe3 + V Fe + V3+

Question 4

Which if the following molecules is not a hydrocarbon?

Question 5

Which of the following molecules contains a triple bond? Select all that apply:

Question 6

A key application of hydrocarbons is:

Question 7

The COOH group represents which functional group?

Question 8

This type of hydrocarbon contains a carbon-to-carbon double bond:

Question 9

Which of the following would be classified as unsaturated hydrocarbon? Select all that apply.

Question 10

The name of the organic compound CH3Ch2OCH3 would be:

Question 11

Match each of the following formulas and names. Assume all numbers are subscripts.

Question 12

Molybdenum-99 decays by beta decay emission, resulting in an electron and:

Question 13

Tin-126 undergoes electron capture. What will be the mass number of the product of this decay?

Question 14

Which of the below would be considered sources of electromagnetic radiation? Select all that apply.

Question 15

How many half- lives would occur after 30 minutes if a radioactive material has a half- life of 10 minutes?

Question 16

A 60 gram sample of a radioactive material has a half-life of 5 years. After 10 years, how many grams of the original radioactive material will remain?

Question 17

When polonium-255 decays by positron emission, what is the product?

Question 18

Which of the following examples are proteins? Select all that apply.

Question 19

Choose the carbohydrate that is classified as a polysaccharide.

Question 20

Which of the following molecules participate in the formation of fatty ester? Select all that apply. If a lipid is classified as a fat, I would expect it to: (select all that apply)

Question 22

A fragment of the coding strand of DNA reads in part as TAC-CGA- GAC-TAG. The code of the template strand would be:

Question 23

Select the biomolecules that are a part of the transcription process. Select all that apply.

Question 24

What is the term for the process in which a protein is synthesized from mRNA at the ribosomes?

Question 25

Which of the categories of biological macromolecules below contains fat and oils?

Question 26

The level of protein structure that involves the interactions of multiple polypeptide strands to form more complex structures.

Question 27

What is the main role of enzymes in the body?