Gene expression might be altered at the level of post-transcriptional processing in eukaryotes rather than prokaryotes because of which of the following? a. eukaryotic mrnas get 5' caps and 3' tails. b.prokaryotic genes are expressed as mrna, which is more stable in the cell. c.eukaryotic exons may be spliced in alternative patterns. d.prokaryotes use ribosomes of different structure and size. e.eukaryotic coded polypeptides often require cleaving of signal sequences before localization

c. Eukaryotic exons may be spliced in alternative patterns.

Explanation:

the way that the mass of carbon can be conserved through cellular respiration is through a process/law called the law of conservation of mass which even tho it undergoes a process, mass is not be destroyed or changed

carbohydrates: (starches and sugars) composed of carbon, hydrogen, and oxygen.

lipids: (fats, oils, and waxes) are made of carbon and hydrogen atoms.

nucleic acids: contain hydrogen, oxygen, nitrogen, carbon, and phosphorus. they are polymers of nucleotides. a nucleotide has three parts, a 5-carbon sugar, a phosphate     (-po⬇️4) group, and a nitrogenous base.

proteins: made up of nitrogen, carbon, hydrogen, and oxygen. they are polymers of amino acids.