Why are embryonic stem cells useful for medicine
o
a. they are differentiated
o
b. they are pluripotent.
o
c. they are unfertilized
o
d. they are unipotent

Which of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence

Suppose a suitcase has a mass of (m) 30 kg and a net force (n) of 10 kg*m/s. what is the acceleration rate of the suitcasein m/s? show your work to support your answer

Astudent is looking through a microscope at some cells of an onion root tip. many of these cells are undergoing division since the root tip grows quickly and requires more cells. which cell most recently underwent metaphase? w x y z