Contains dna that regulates the functions of the cell

Which of the following is a cause of a dna mutation? o a. the linking of amino acid subunits into a long chain o b. the transcription of dna into rna o c. an error in the repair of damaged dna d. the diffusion of molecules across the cell membrane submit

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?

Which direction does the energy flow in this energy pyramid ?