How many senses are in your body?

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

The model illustrates a process by which a substance is taken up by a cell

Surrounded by microtubules, located near the nucleus. (don't try to google it) (give answer only if u know)