Answer:
B) is characterized by four different zones
Explanation:
edge 2020
The model is called a double helix because two long strands twist around each other like a twisted ladder. The rails of the ladder are made of alternating sugar and phosphate molecules. The steps of the ladder are made of two bases joined together with either two or three weak hydrogen bonds.
C. Cut out the insulin gene from human DNA.
this is done with an enzyme called lygase
The last answer is correct.
The environment and the inside of the cell will have the same concentration. If the cell is placed in a solution of a less sucrose solution, the water will get into the cell making it bigger in size. The movement of the water is from a portion of lower concentration to a portion of higher sucrose concentration.