The exchange of oxygen, food, and waste between mother and fetus occur in the placenta.
<span>There are several environmental factors that affect the kinetic energy and diffusion. The environmental factors are temperature, molecular size, and pressure, nature of the material and the concentration of the material</span>
Xylem cells<span> die as they </span>mature<span> while </span>phloem cells<span> are alive at maturity.</span>
Answer:
Function:
mRNA: mRNA can be described serves intermediate molecule between the genetic material and the amino acids for the making of protein.
rRNA: It makes up the ribosomes along with the ribosomal proteins. Ribosomes are the sites where the process of translation occurs.
tRNA: The tRNA is involved in the bringing of the nucleotides to the ribososmes for translation.
