Select the statements that describe a vector. Check all that apply.
Vectors have a size only.
Vectors have a size and a direction.
Vectors are indicated with arrows.
Vectors can have only positive values.
Vectors can have positive or negative values.

Which sentence best expresses the differing opinions of these two book reviews?

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.

What is one function of the embedded proteins