The diagram illustrates the process of creating genetically modified corn.
a. what occurs at step 4 in the diagram?
b. the foreign dna is placed in a mechanical vector for cloning.
c. the foreign dna is placed in a biological vector for cloning.
d. the foreign dna is inserted into the host cell genome.
e. the foreign dna is isolated by restriction enzymes.

Atypical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 5.000 nm thick. (a) what is the volume of the cell including the membrane? (b) what is the volume of the cell membrane? (c) what percent of the total volume does its membrane occupy? to simplify the calculations, model the cell as a sphere. enter your answers using four significant figures.

Before the can be observed by using a transmission electron microscope, cells are sliced into very thin sections. what disadvantage does this procedure present in the study of cellular parts

The normal shape of an enzyme is as shown in structure a. if the enzyme’s shape changes to that shown in structure b, what are two consequences of this change?