Saturated fatty acids have
a. no carboxyl groups.
b. more fatty acid chains.
c. bent fatty acid chains.
d. no double bonds

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.

Which component in a graph indicates an independent factor? a. y-axis b. x-axis c. scale

Northern switzerland has a fairly cold climate caused by sea winds from the atlantic ocean but souther switzerland tends to be much warmer and sunnier, what could cause this difference?