Cell division that results in cells containing only one chromosome from each pair is referred to as ___________________ _.
Fill in the blank(s) with correct word
Question 2
Which statement about average stream velocity is true?
A)Velocity is higher in the upper reaches where gradients are steeper.
B)Velocity is constant along the river's course.
C)Velocity decreases downstream because the gradient is less steep.
D)Velocity increases in the downstream direction.
E)Velocity decreases downstream because of frictional forces.
Furchgott's discovery that endothelial cells produce a vasodilating substance.
Areas of referred pain; A, anterior view; B, posterior view.
Microscopic view of plant cells
Plant Cell
The nucleus of animal cell: a rat liver nucleus
Modern Cell Theory