In light of the pandemic we are living through, do you think vaccinations should be mandatory?

Ascientist is studying muscle twitches in chicken quadriceps. to activate the muscle, he needs to provide stimulus to the

If a cell's main function is to produce proteins to be excreted, which organelles would you expect to be larger

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.