Cracking the AP Biology Exam




Directions: Each of the questions or incomplete statements below is followed by five suggested answers or completions. Select the one that is best in each case. Answers can be found here.

1. All of the following organelles are associated with protein synthesis EXCEPT

(A) ribosomes

(B) Golgi bodies

(C) the nucleus

(D) the rough endoplasmic reticulum

(E) the smooth endoplasmic reticulum

2. A major difference between bacterial cells and animal cells is that bacterial cells have

(A) a plasma membrane made of phospholipids

(B) ribosomes, which are involved in protein synthesis

(C) a cell wall made up of peptidoglycan

(D) a nuclear membrane, which contains chromosomes

(E) a large vacuole, which contains fluids

3. All of the following are methods of moving materials across cell membranes along a concentration gradient EXCEPT

(A) exocytosis

(B) facilitated transport

(C) osmosis

(D) active transport

(E) diffusion

Directions: Each group of questions consists of five lettered headings followed by a list of numbered phrases or sentences. For each numbered phrase or sentence, select the one heading that is most closely related to it and fill in the corresponding oval on the answer sheet. Each heading may be used once, more than once, or not at all in each group.

Questions 4–7

(A) Smooth ER

(B) Lysosome

(C) Cell wall

(D) Microtubule

(E) Nucleolus

4. Vesicles that serve to break down cellular debris

5. A channel inside the cytoplasm that is the site of lipid synthesis

6. A polymer of the protein tubulin that is found in cilia, flagella, and spindle fibers

7. Site at which rRNA is formed