mmccants1986p0ij48 mmccants1986p0ij48

06-10-2020
Biology

contestada

Which molecules would REQUIRE a channel or transport protein to cross the cell membrane?
A) CO2
B)H2O
C)k+
D)O2

Respuesta :

neima17 neima17

06-10-2020

C) K ( potassium)

Explanation:
Small non-charged molecules like CO2, H2O, O2 can pass through the membrane freely.
But others such as K+ require specific potassium bumps throughout the membrane. Which acts to transport Na+ and K+ cross the membrane.

Answer Link

Otras preguntas

Cameron cooks 3/4 pounds of pasta.if she serves the pasta in three equal size bowls,about how much does she put into each bowl?

a missing fraction on a number line is located exactly halfway between 3/6 and 5/6 .what is the missing fraction .how to do it

What is 5.35 as a mixed number

1. Evaluate 7m+2n-8p OVER n for m = –4, n = 2, and p = 1.5. 2. A mountain climber ascends a mountain to its peak. The peak is 14,090 ft above sea level. The cli

Which statements describe this trapezoid? Choose all answers that are correct. A. All angles are right angles B. It has only one pair of parallel sides C. It is

Cheryl and Marcus are going to make a two-tiered cake. The smaller tier is 2/3 the size of the larger tier. The recipe for the bottom tier calls for 3/5 cup of

what is the difference between free fall and weightlessness

Patricia donated 1 pint of blood to the blood bank. The lab assistant divided Patricia’s blood equally into 3 bags. How much blood was in each bag? --- of a

What structure contains ions that are arranged in an alternative repeating 3-D pattern ?

9+5(4x+4) what's the answer