flash card 2 - Ch. 4&5 Review Page 1 of 5 Name: ggggg...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Name: ggggg Score: 0 / 25 (0%) Ch. 4&5 Review Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 1. Which of the following are sometimes referred to as rough or smooth, depending on the structure? a. Golgi bodies b. ribosomes c. mitochondria d. lysosomes e. endoplasmic reticula ANSWER: E 2. Which of the following are the primary structures for the packaging of cellular secretions for export from the cell? a. Golgi bodies b. ribosomes c. mitochondria d. lysosomes e. endoplasmic reticula ANSWER: A 3. Which of the following statements is true? a. When lipids and water are mixed, it is the water molecules that isolate themselves into droplets. b. When lipids and water are mixed, the lipids dissolve and enter into a solution. c. Lipids are classified as nonpolar substances and will not mix with water. d. Polar substances are able to pass through a plasma membrane more readily than nonpolar substances. e. All portions of a phospholipid molecule found in a membrane are classified as nonpolar. ANSWER: C 4. Movement of a molecule against a concentration gradient is a. simple diffusion. b. facilitated diffusion. c. osmosis. d. active transport. e. bulk flow. ANSWER: D Page 1 of 5 6/27/2011 http://www.lew-port.com/10712041113402793/lib/10712041113402793/ap_chapters/ap_c. ..
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
5. Oxygen, carbon dioxide, glucose, and other small molecules cross the plasma membrane through the process(es) of a. osmosis. b. diffusion.
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 5

flash card 2 - Ch. 4&5 Review Page 1 of 5 Name: ggggg...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online