I think the answer is b or f
A. alleles are variations of a gene trait
It could have the most direct effect on the amount of mitochondria in cells and also the system of the membrane.
Answer:
The Jurassic period (199.6 million to 145.5 million years ago) was characterized by a warm, wet climate that gave rise to lush vegetation and abundant life. Many new dinosaurs emerged—in great numbers.
Explanation:
The start of the Jurassic was marked by the major Triassic–Jurassic extinction event, associated with the eruption of the Central Atlantic Magmatic Province. ... By the beginning of the Jurassic, the supercontinent Pangaea had begun rifting into two landmasses: Laurasia to the north and Gondwana to the south.
Answer:
The answer is B Each group of three RNA bases codes for an enzyme that connects amino acids.
