Answer:
B
C
B
B
A
D
A
B
D
c
Explanation:
<em><u>hope</u></em><em><u> it's</u></em><em><u> help</u></em>
<em><u>thanks</u></em><em><u> me</u></em><em><u> later</u></em>
No caffein,there is a factor that must not be changed when conducting an experiment,known as controlled variable
Answer:
1) B - protein channel
2) D - to assist in the movement of substances across the membrane by facilitated diffusion or active transport
Explanation:
1) B is the answer because the proteins would travel through the protein channel to enter or leave the cell.
2) D is the answer because the channel allows protein molecules to pass through a selectively permeable cell membrane through active transport and facilitated diffusion.
Hope this helps!
Answer:
Scientists believe that prokaryotes existed earlier than eukaryotes because certain eukaryote cell structures resemble prokaryotes.
Explanation:
Thank me later.
The ultimate source of energy to support most life on earth is Sunlight.
