What is the direct source of the energy used to attach a phosphate group to adenosine diphosphate (ADP)? choices

a food molecule
ATP
sunlight
a protein

Which are characteristics of flukes? check all that apply. a they are free living. b they are a type of flatworm. c they reproduce sexually. d they have eyespots. e they are segmented.

Were you able to observe the nucleolus in any of the cells if so which ones

Which are evidence of seafloor spreading? check all that apply. molten material magnetic stripes continent material drilled core samples ocean water samples