1. Which cell organelle is the site of protein synthesis?
A. Golgi complex
B. lysosome
C. mitochondria
D. rough endoplasmic reticulum
E. smooth endoplasmic reticulum
2. Which of the following is TRUE?
A. Chromatin consists exclusively of DNA and RNA
B. The glycocalyx is somewhat fuzzy and s...
University of Ottawa
ANP 1105D
Midterm #1 ANSWERS
Date: February 7, 2013
Duration: 1 hr 20 min
Instructor: Joanna Komorowski
INSTRUCTIONS:
1. 48 multiple choice questions (1 mark/1 correct answer per question) plus 1 labeling questions
(3 marks total) plus two descriptive question (4+7 marks total). Total possible mark = 62
2. Please answer the multiple choice questions on the computer sheet that is provided
3. Please put your name and student number at the top of this page and at the top of the final
page. Please do not forget to put your course code (ANP 1105D), your surname (last name)
and the initials, on the first page of the scantron sheet!!!
4. Make sure this exam is complete. This exam contains 11 pages.
5. The excuse of missing a page will not be accepted after the examination.
Good luck!!!!
Page 1
, 1. Which cell organelle is the site of protein synthesis?
A. Golgi complex
B. lysosome
C. mitochondria
D. rough endoplasmic reticulum
E. smooth endoplasmic reticulum
2. Which of the following is TRUE?
A. Chromatin consists exclusively of DNA and RNA
B. The glycocalyx is somewhat fuzzy and sticky because of the numerous cholesterol chains sticking
out from the surface of the cell membrane
C. Microfilaments are thin strands of the contractile protein tubulin
D. Mature red blood cells do not contain nucleus
3. At the age of 6 month Anna was diagnosed with Tay-Sachs disease. As her primary care physician,
what would you tell her parents?
A. That she suffers from a rare disease characterized by loss of mitochondria in her brain cells
B. That she suffers from the lysosmal disease in which a specific enzyme is missing and thus her
lysosomes will become swollen with undigested lipid ganglioside
C. That she suffers from the rare peroxisomal congenial disease characterized by reduction or
absence of peroxisomes
D. That she has a rare form of cancer
4. Which of the following organelles contain(s) DNA?
A. Lysosomes
B. Mitochondria
C. Nucleus
D. Both B) and C)
E. All of the above
5. Which of the following statements correctly describes plasma membrane?
A. It is a structure formed by phospholipids and cholesterol designed to be stable against pressure
B. It is a dynamic fluid structure that is in constantly moving laterally
C. It is a unique, solid barrier custom designed for each type of cell
D. It is a flexible protein barrier supported by cholesterol rods.
6. Lipid rafts:
A. Play a role in cell to cell recognition
B. Are made of glycolipids and glycoproteins
C. Are made of cholesterol, saturated fatty acids and sphingolipids
D. Are floating freely in the cytoplasm
Page 2
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