Answer:
a. the primary transcript
Explanation:
The first step in RNAm maturation is the modification of the 5' end of the transcript via the addition of a structure called a cap or 7-methyl guanosine cap. The enzymes responsible for the formation of this cap are recruited to the phosphorylated C-terminal domain after the addition of the first twenty to thirty nucleotides of ARN. The formation of the cap is started by the addition of a GTP molecule oriented inversely to the 5' end nucleotide on RNA. Then methyl groups are added to this G residue and to the ribose forms of one or two nucleotides located on the 5' end. All these reactions take place in the nucleus when the mRNA is found as a primary transcript.
The basic sequence of a nucleic acid makes it possible to determine, applied to the gene, the amino acid sequence of the polypeptide concerned. It is by hydrogen bonds between the pair of nitrogenous bases that two strands of the DNA or RNA helix are linked.
They are called bases because they can be protonated at the nitrogen atoms and react weakly in aqueous solution. In nucleic acids, they are generally N-glycosidically linked to ribose or deoxyribose. Structurally active base pairs in the double-stranded DNA may be formed via hydrogen bonds between nucleic bases. The nucleobase sequence in an RNA or DNA strand is also called a base sequence.
Answer:
The correct answer to the following question will be Option C "Cnidarians".
Explanation:
- Cnidaria seems to be a phylum underneath the kingdom Animalia representing more than 11,000 organisms of sea organisms encountered across both fresh as well as marine waters: primarily marine. Cnidocytes, an innermost layer that has been used primarily for the capture of prey, are everyone's defining characteristics.
- Their structures composed of mesoglea, nonliving things jelly-like material, placed between 2 layers of epithelial cells, normally one cell having a thickness.
Other given three choices are not related to the given scenario. So that Option C would be the appropriate choice.