Answer:
a neurotransmitter binds to its receptor on a receiving cell
Explanation:
Populations of organisms that have sigmoid growth curves
limited by the carrying capacity are called K-selected.
Species are divided into two selected species, R-selected
species and K-selected species. K-selected
species are <span>also called K-strategist. These are the species whose populations vary at or near the <span>carrying capacity <span>(K) of the </span></span>environment<span> in which they live.</span></span>
C is correct i believe i think all the others are wrong but im not entirely sure
O) Organic Matter
A) Surface soil
B) Subsoil
C) Parent Rock
R)Bed rock
A is the correct answer. Proteins are formed from amino acids. Amino acids come from RNA instructions . The RNA comes from DNA inside the nucleus.