A- carbohydrate
D-nucleic acid
B-protein
C-lipids
the answer is...........
Explanation:
............the concentration of transcription factors
B: during the early stages of meiosis, chromosomes in a homologous pair exchange segments, the process is called Crossing over.
Answer:
<h2>The source rock is the rock that contains the kerogen that the oil and gas forms from. The reservoir rock is the porous, permeable Rock layer or layers that hold the oil and gas. This migration occurs because oil and gas are less than than water.</h2>
Calcium, a chemical element with symbol Ca and atomic number 20. Calcium is a soft grayish-yellow alkaline earth metal, fifth-most-abundant element by mass in the Earth's crust
