The hock plummeted quickly down toward the trees and bushes. where is the prepositional phrase in the sentence

Toward the trees and bushes is the prepositional phrase because it starts with a adverb and ends with a noun

Hock is a noun
Plummeted is a verb
Quickly is a adverb
Down is an adverb

Okay, biology isn't exactly my strongest subject (it never has been), but i'm pretty sure the answer is nucleotides. dna is made up of nucleotides. each nucleotide contains a phosphate group, a sugar group, and a nitrogen base. there are four different nitrogen bases: adenine (a), thymine (t), guanine (g), and cytosine (c). a always pairs with t, and g always pairs with c.