Unit 2 Biology Review

One of the monomers of lipids is fatty acids. What is the other?

• Glycerol

• Glucose

• Fructose

• Sucrose

Not all living things are composed of genetic material (DNA). True/False?

An enzyme ___________ a reaction, or speeds it up, by lowering the activation energy.

• Catalyzes

• Inhibits

• Accelerates

• Stops

The nitrogenous base Guanine pairs with Cytosine. The nitrogenous base Adenine pairs with _______________.

• Thymine

• Uracil

• Guanine

• Cytosine

_________________ are the monomers of proteins.

• Amino Acids

• Fatty Acids

• Nucleotides

• Monosaccharides

The following image is just one subunit, not multiple put together. Therefore, it is called a ______________.

• Monomer

• Polymer

• Macromolecule

• Compound

Quickly available energy is the function of which biomolecule?

• Carbohydrate

• Protein

• Lipid

• Nucleic Acid

In all DNA molecules, the phosphates and the sugars look identical. Therefore, what is the structural part of DNA that codes for traits (characteristics) for human life?

• the nitrogenous bases (A, T, C, G)

• the phosphate backbone

• the sugar molecules

• the hydrogen bonds

Enzymes increase the rate of chemical reactions, speeding up the end result(s), or product(s). What is the starting substance called?

• Substrate

• Catalyst

• Inhibitor

• Product

Write the complimentary sequence for the following DNA: ATT GGA