Which tissue is responsible for voluntary and involuntary movements? a. muscle tissue b. epithelial tissue c. connective tissue d. nervous tissue

In sexual reproducing animals once fertilization of the egg takes place, the exists as a single cell until cell division begins. a) egg b) larva c) sperm d) zygote

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?

Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?