Answer to Question 1ANS: D
Phosphorus is also used to carry energy within the cell. Phosphorus enters the ocean via rivers and
precipitation in organic form when organisms die. It then converts to phosphate for further use.
Information can be found in the section Elements Cycle between Living Organisms and Their
Surroundings
Answer to Question 2ANS: C
Energy gets transformed into chemical energy by chlorophyll in primary producers. The primary
produces are then able to use that energy to make sugars for food. Other animals obtain this food and
energy by consumption. Information can be found in the section The Flow of Energy through Living
Things Allows Them to Maintain Complex Organization
Differences in the mitochondrial code and coding for the “21st and 22nd” amino acids
Commercially made peanut butter doesn’t have any detectable levels of trans fatty acids
Cis and Trans-Fatty Acids.
Peptide bond formation between two amino acids, resulting from a dehydration reaction
Ancient fossilized single-celled organisms
Partial pressures (in mm Hg) for oxygen (red boxes) and carbon dioxide (blue boxes) in the atmospher