Cellular pH is kept near a value of seven, due to the action of:
a. salts
b. buffers
c. acids
d. bases
e. water
b
You might also like to view...
The amount of gravitational potential energy released as an object falls depends on
A) its mass and the distance it falls, as well as the rate of gravitational acceleration. B) its mass and its speed at the time it begins falling. C) only the distance it falls. D) only its mass. E) only its speed at the time it begins falling.
A fluid is flowing with an average speed of 1.50 m/s through a tube that has a radius of 2.00 mm and is 18 cm long. The drop in pressure is 967 Pa. What is the viscosity of the fluid?
A) 0.00179 Ns/m2 B) 0.00562 Ns/m2 C) 0.0278 Ns/m2 D) 0.0134 Ns/m2 E) 0.00335 Ns/m2
Pluto is probably one of the largest of the Kuiper Belt bodies beyond Neptune
Indicate whether the statement is true or false
As an aircraft gains altitude, the outside air pressure __________ with height
Fill in the blank(s) with correct word