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(1 point) Large molecules cross the membrane in vesicles.  Identify (by it’s specific name!) and briefly describe the four mechanisms of moving large molecules in/out of the cell across the membrane using vesicles.  1. 2. 3. 4.

Chromosomes are always found in the _____________ and are made of _____________.

(1 point)  Identify two organelles/structures that plant cells do have that animal cells do not have. Additionally, what are the jobs of those two organelles/structures?

Every cell membrane

Which statement about cholesterol molecules is true?

(1 point)  Is the sodium-potassium pump (a.k.a. the Na+-K+ ATPase) classified as a primary active transporter or a ligand-gated ion channel?  Explain why you think so.

(1 point)  Label the following organelles/structures of an animal cell:  a. b. c. d.

(1 point)  Label the following organelles/structures of an animal cell:  a. b. c. d.

At the restriction point (R), cyclin-dependent kinases (CDKs) catalyze the phosphorylation of targeted proteins, a process that changes the charge and shape of the targeted proteins turning the proteins on/off.  As a result, the cell cycle progresses from __________.

Which event(s) occurs during the electron transport chain (ETC, also known as the respiratory chain) in animal cells?  Choose one of the following: