Question

Which phrase best describes osmosis?



A.


the process where a selectively permeable membrane allows the movement of water through it


B.


the process of DNA synthesis


C.


the process by which the cytoplasm physically divides


D.


the process where distribution of molecules is balanced out by their movement

Answer 1

sorry im doing a test and posting sooooo many questions

Answer 2

It would be A.

Answer 3

thx

Answer 4

No problem.

Answer 5

Which phrase best describes cellular respiration?


A.
the process where energy from food is used by the cell


B.
the process where water molecules move across a membrane


C.
the process by which the cytoplasm physically divides


D.
the process where molecules' movements balance out their distribution

Answer 6

Cellular respiration is the set of the metabolic reactions and processes that take place in the cells of organisms to convert biochemical energy from nutrients into adenosine triphosphate (ATP), and then release waste products.

So it would be A.

Answer 7

i have a couple more

Answer 8

This illustration drawn by a scientist is based on observations of a cell under a microscope. Which statement best describes the anaphase of mitosis?

Examining cells



A.


In this stage, the unneeded spindle begins to break down.


B.


This stage is where the spindle fibers pull away from the cell's center.


C.


This stage makes the cell's chromosomes more compact before the nucleus breaks down.


D.


In this stage, the chromosomes begin to spread out across the center of the cell.

Answer 9

Ok.

Answer 10

soory i cany putup the illastartion

Answer 11

http://en.wikipedia.org/wiki/Anaphase
So, I believe it's D.

Answer 12

ok

Answer 13

A scientist is studying a unicellular organism. The organism normally looks like image A. Then the scientist places the cell in two different solutions. In the first solution, the cell changes to look like image B. In the second solution, it changes to look like image C. Which process describes these changes?





A.


mitosis


B.


osmosis


C.


cytokinesis


D.


photosynthesis

Answer 14

I believe it's C.

Answer 15

ok

Answer 16

as u can tell im new to this

Answer 17

The small circles represent molecules of oxygen. Which best describes how the oxygen molecules will move during diffusion?





A.


Oxygen will diffuse from an area of lower concentration (inside the cell) to an area of higher concentration (outside the cell).


B.


Oxygen will diffuse from an area of higher concentration (inside the cell) to an area of lower concentration (outside the cell).


C.


Oxygen will diffuse from an area of higher concentration (outside the cell) to an area of lower concentration (inside the cell).


D.


Oxygen will diffuse from an area of lower concentration (outside the cell) to an area of higher concentration (inside the cell).

Answer 18

Is there a picture for this?

Answer 19

yes

Answer 20

If you save it to your computer you can attach it. If you can't do that, tell me which side has more the inside or the outside.

Answer 21

j

Answer 22

inside

Answer 23

Ok then it would be B.

Answer 24

ok

Answer 25

Have anymore?