D the lunar eclipse, im pretty sure is correct
Answer:
The correct answer is 1 RNA Polymerase
Explanation:
RNA polymerase helps in the formation of RNA from DNA by the process known as transcription.There are 3 types of RNA Polymerase in Eukaryotic cell they are given below
1 RNA Polymerase 1 this enzyme helps in the synthesis of ribosomal RNA or rRNA.
2 RNA Polymerase 2 this enzyme helps in the formation of messenger RNA or mRNA .
3 RNA Polymerase 3 this enzyme helps in the synthesis of transfer RNA or tRNA.
Answer:
Les alvéoles pulmonaires sont situées au plus profond des poumons, aux extrémités des bronchioles, et sont la structure de base où se réalisent les échanges gazeux entre l'organisme et l'air extérieur.
A cell with the full amount of chromosomes - in a human this is 23 pairs
The correct answer is an active site.
The active site, in biology, refers to the region of an enzyme where the molecules of substrate combine and goes through a chemical reaction. The active site comprises of the residues, which produce temporary bonds with the binding site (substrate) and residues that catalyze a reaction of that substrate, that is, the catalytic site.