Question

What is one reason that a cell needs to regulate flow across the membrane? (Points : 1)
The nucleus needs to bring in DNA.

The cell needs carbon dioxide as a source of energy.

The cytoplasm needs to bring in organelles.

The cell needs to maintain homeostasis.

Answer 1

the cells needs to maintain homeostasis

Answer 2

thank you.. I got a few more

Answer 3

ok

Answer 4

. Which sentence best describes active transport? (Points : 1)
A substance moves from an area of high concentration to an area of low concentration.

A substance moves into or out of a cell using energy.

A material moves into or out of a cell without using energy.

Water moves into and out of the cell.

Answer 5

oh and my friend Ray a.k.a bigcountry97 says Hey lol

Answer 6

lol ok i said hey too and sorry i hd to help my mom

Answer 7

lol its ok it happens... I asked a quesion up there ^

Answer 8

a substance moves in or out with energy

Answer 9

Thats what I thought but I was unsure...

Answer 10

lol it ok

Answer 11

Ok, but yes, I agree with you on this answer lol.

Answer 12

thnx

Answer 13

Oh wow, you and LadyM both changed your profile pics, so I didn't recognize you!

Answer 14

lol

Answer 15

haha lol

Answer 16

How does a cell get rid of waste products such as carbon dioxide? (Points : 1)
The waste is transported to the nucleus.

The waste leaves through the cell membrane.

The waste is stored in a lysosome.

The waste is converted into ATP.
last question lol

Answer 17

I always see you two together lol, laters! Thanks!

Answer 18

lol laters alagator

Answer 19

lol we are besties

Answer 20

I think... The waste leaves through the cell membrane.

Answer 21

lol oh yeah we are..

Answer 22

thank you

Answer 23

Yeppers Bye!

Answer 24

bye!

Answer 25

i think it is the second one

Answer 26

ok thank you:D

Answer 27

I changed my picture too lol!

Answer 28

lol I like it!

Answer 29

Thnx lol!!

Answer 30

lol welcome!

Answer 31

g2g

Answer 32

kkk ttyl