The process of cytokinesis begins in _________ and forms a contractile ring just under the cell membrane to constrict the cell and split it in two from cytoskeletal elements called____________.

Which of these chemicals could NOT cross the phospholipid bilayer of a cell through simple diffusion?

Carbon dioxide is a small molecule that moves through the phospholipid bilayer with its concentration gradient by:

A patient with Cushing Syndrome had a blood pH of 7.55. Which buffering reaction would you expect to occur in her body as a response to achieve homeostasis?

A fatty acid that contains no double covalent bonds is:

Figure 5 illustrates the formation of which kind of chemical bond?

Solid blood cells would settle out of the liquid blood plasma if allowed to sit, illustrating that blood is a:

The cell fibers labeled shown in Figure 15 are called ___________ and are considered ______________.

Which is the correct answer to the question?  Type the letter in LOWER CASE.    ¿Cuándo te regalaron nuevas botas tus padres?   a  Yo se las regalé la semana pasada.  b  Ellos me las regalaron la semana pasada. c  Tú me las regalaste la semana pasada. d. Ellos me los regalaron ayer.

Read the question and the answer and fill in the blank with the correct form of the verb. Imagine that someone is speaking directly to you, this is a dialogue.  If you need an accent mark you may cut and paste from the following list.  ACCENT MARKS COUNT FOR POINTS FOR THIS SECTION.   á        é í ó ú   ¿Ustedes trajeron sus libros de español a la clase hoy? No, no los ________ a clase hoy.