Which of the following is a mitochondrion?

A. Structure A
B. Structure B
C. Structure C
D. Structure D

6th-grade Cell structure Gizmo

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

Transmission electron microscope are best for viewing a) microorganisms in pond water b) internal organs of a mouse c)internal structures of a cell d) surface features of a specimen

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.