Author Question: A glucose transporter changes shape when it binds to a molecule of glucose. The shape change moves ... (Read 71 times)

khang · **on:** Jul 27, 2018

A glucose transporter changes shape when it binds to a molecule of glucose. The shape change moves glucose down its concentration gradient to the opposite side of the membrane, where it detaches from the transport protein. What does this illustrate?

a. facilitated diffusion
b. passive diffusion
c. active transport
d. energy fueled pump
e. open channel transport

Question 2

A bit of matter that enters Earth's atmosphere and survives to reach the ground is called

a. a meteor.
b. a meteoroid.
c. a meteorite.
d. a minor planet.
e. an asteroid.