Question

Which structure would you not find in a prokaryotic cell? (Points : 3)
DNA
cytoplasm
cell membrane
membrane-bound organelles

Answer 1

wouldn't it be DNA?

Answer 2

can u make a guess? do u know the difference between prokaryotes and the eukaryotes? the basic diference?

Answer 3

hey hey hey

Answer 4

I FOUND DA QUESTION!!!!!!!!!!!!!!!

Answer 5

no...DNA is present in both....eukaryotes have linear DNA while prokaryotes have circular

Answer 6

lol Kim you got? would it be a membrane bound organelles?

Answer 7

yep...

Answer 8

ahhhhhhhhhhhhhhhhhh sorry had a moment lol i always have those

Answer 9

lol its ok Kim it happens to every one.

Answer 10

Which molecule forms the bulk of a cell membrane? (Points : 3)
phospholipid

protein

DNA

glucose

Answer 11

i think its phospholipid

Answer 12

ok that you..

Answer 13

Which is the best definition of diffusion? (Points : 3)
the movement of particles from a region of low concentration to a region of high concentration

the movement of particles from a region of high concentration to a region of low concentration

the movement through a cell membrane using energy from ATP

the transport of particles up a concentration gradient

Answer 14

lol I mean thank you

Answer 15

no pr0b girl

Answer 16

I gotta lot of asking to do with questions today lol

Answer 17

lol

Answer 18

lol

Answer 19

Which is the best definition of diffusion? (Points : 3)
the movement of particles from a region of low concentration to a region of high concentration

the movement of particles from a region of high concentration to a region of low concentration

the movement through a cell membrane using energy from ATP

the transport of particles up a concentration gradient

Answer 20

the first one

Answer 21

thank you:)
Which substance is commonly found in a cell membrane? (Points : 3)
proteins
RNA
cellulose
DNA

Answer 22

no prob and thnx

Answer 23

welcome

Answer 24

idk that one sorry

Answer 25

its ok let me see what else I got here

Answer 26

What is the process whereby molecules in vesicles are exported out of a cell? (Points : 3)
exocytosis
endocytosis
diffusion
osmosis

Answer 27

exocytosis or osmosis

Answer 28

ok thanks for helpin me out.

Answer 29

welcome

Answer 30

A cell membrane is semipermeable. Which phrase best explains the term semipermeable? (Points : 3)
flexible and fluidlike

most materials can pass through

only certain materials can pass through

can take many shapes

Answer 31

the third one

Answer 32

Question 13.13. Read the paragraph and use the information to answer Questions 13 and 14.
Despite its name, the Pacific sea horse is actually a type of fish. Its horse-shaped head gives it its name. This creature lives in the Pacific waters off the west coast of the Americas, from Peru to Southern California. Like many other saltwater fishes, sea horses face the constant challenge of preventing too much salt from building up in their cells.

When sodium and chloride ions from the saltwater environment enter a Pacific sea horse’s body, which process is most likely responsible? (Points : 3)
active transport

diffusion

endocytosis

exocytosis



Question 14.14. To keep the right amount of salt in its body, the sea horse has to get rid of extra salt using a process that takes energy. Which process does it most likely use? (Points : 3)
diffusion

passive transport

active transport

endocytosis

Answer 33

i have no idea

Answer 34

never mind I figured it out lol and only two more to go

Answer 35

i want popcorn!!!!!!!!!!!!!!!

Answer 36

hahahahhahahahahah sorry another moment they just keep coming at me ha

Answer 37

me too lol

Answer 38

EXTRA BUTTER THEY KNOW ME SO WELL HAHAHAH

Answer 39

lol its ok

Answer 40

lol

Answer 41

i just hit my elbow and it tingly hah ooo

Answer 42

LOL how did you do that?!

Answer 43

i hit my elbow on the edge of my door thingy

Answer 44

lol you should be more careful

Answer 45

yea im clumsy

Answer 46

lol so am I Can't go a day without hurtin my self

Answer 47

16. The nerve cells in your body must constantly remove substances from the cell against the concentration gradient. What type of process most likely takes place to remove substances from a cell against the concentration gradient? Explain. (Points : 3)

Answer 48

my room is tight so everywhere i turn i hit my toes my head and stomach

Answer 49

gurl i have no idea

Answer 50

lol ok
that would hurt alot

Answer 51

yup g2g bye

Answer 52

ok ttyl