How do molecules move into and out of most animal cells? O
A. by being absorbed into the mitochondria
O B. by passing through the cell membrane
C. by being absorbed into the nucleus
D. by passing through the cell wall
n

How did the miller-urey experiment impact the way scientists think about the origins of life? use what you know about the miller-urey experiments to discuss the factors needed for life to arise, and speculate on whether life could arise on another planet.

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables

Which soil would most likely be found in the arctic? andisols gelisols histosols spodosols