ANSWER:
Needed to form cell membranes
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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.
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Answer:
Nucleus
Explanation:
The nucleus stores hereditart material and coordinates activities of the cell
Answer:
A small piece of circular DNA called a plasmid? is extracted from the bacteria or yeast cell. A small section is then cut out of the circular plasmid by restriction enzymes, 'molecular scissors'. The gene for human insulin is inserted into the gap in the plasmid. This plasmid is now genetically modified.
Explanation:
Seafloor spreading can stop during the process, but if it continues to the point that the continent is completely severed, then a new ocean basin is created. Your answer No
