Water, oxygen, and ____ most freely flow across a cell membrane. a. calcium b. positively charged ...

Author Question: Water, oxygen, and ____ most freely flow across a cell membrane. a. calcium b. positively charged ... (Read 74 times)

future617RT

Hero Member
Posts: 543

on: Jun 22, 2018

Water, oxygen, and ____ most freely flow across a cell membrane.

a. calcium
b. positively charged ions
c. magnesium
d. carbon dioxide

Question 2

What structure is composed of two layers of fat molecules that are free to flow around one another?

a. the endoplasmic reticulum
b. a ribosome
c. a mitochondrion
d. the membrane

DHRUVSHAH

Sr. Member
Posts: 317

Reply #1 on: Jun 22, 2018

Answer to Question 1

d

Answer to Question 2

d

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