How are proteins, lipids, and polysaccharides similar?
a) they contain the same atoms and types of bonds between atoms.
b) they are natural polymers composed of repeating monomeric units.
c) they are formed during exergonic metabolic reactions in a cell.
d) they have characteristics similar to the elements making them up.

Apart of the periodic table is shown. a portion of the sixteenth and seventeenth columns of the periodic table is shown. column 16 reads eight oxygen, 16 sulfur, and 34 selenium. column 17 reads nine flourine, 17 chlorine, and 35 bromine. which of the following elements is less reactive than the others? bromine (br) oxygen (o) selenium (se) sulfur (s)

What happens whenever a net force acts on an object

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems