Both prokaryote and eukaryote cells have this structure. it maintain homeostasis and is a boundary between the inside of the cell and the outside environment. it is the
a) nucleus.
b) membrane.
c) cytoplasm.
d) cell wall.

What is unique about the members of the group of fungi to which penicillium notatum belongs? they are not important for medicine. they are not made up of hyphae. they are used in fermentation. they lost the reproductive phase.

Which beat describes the brain stem

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons