Which is made up of lipids?
steroids
peptides
prostaglandins

If the coding part of an mrna molecule is 1800 nucleotides (bases) in length, this molecule will contain codons and code for a polypeptide that is amino acids long.

Lucia is walking barefoot in her yard. she accidentally steps on a nail. how will her nervous system work to generate a reaction? arrange the eventschronologically.

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only