UGA CBIO 2200 - Chapter03 practice test (36 pages)

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Chapter03 practice test



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Chapter03 practice test

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Pages:
36
School:
University of Georgia
Course:
Cbio 2200 - Anat & Physiol I
Anat & Physiol I Documents

Unformatted text preview:

chapter 03 True False Questions 1 The most important advantage of transmission electron microscope TEM over light microscope LM is its higher resolution True False 2 If a cell doubled in diameter it would have twice as much cytoplasm to maintain True False 3 In the plasma membrane glycolipids and glycoproteins face toward the cytoplasm while peripheral proteins always face toward the ECF True False 4 A cell s second messengers serve to transport material through the plasma membrane True False 5 Microvilli and cilia differ in their function but have the same internal structure True False 6 Ligand gated channels are membrane proteins that open or close in response to the binding of a chemical True False 7 The greater the concentration gradient the faster the diffusion rate True False 8 The Na K ATPase is a countertransport antiport carrier which always requires energy True False 9 The sodium glucose transport protein SGLT is one example of an active transport process involving a uniport carrier True False 10 One example of pinocytosis is the uptake of low density lipoproteins LDLs by endothelial cells True False 11 Both the nucleus and the mitochondrion are surrounded by two layers of unit membrane True False 12 The nucleus is the largest organelle in most cells True False 13 Ribosomes are made of proteins and RNA True False 14 The Golgi complex makes peroxisomes but not lysosomes True False 15 A crystal of calcium phosphate in the cytoplasm of a cell should be classified as an inclusion True False Multiple Choice Questions 16 All of the generalizations below constitute the modern cell theory except A an organism s structure and all of its functions are ultimately due to the activities of its cells B all cells come only from preexisting cells C all cells occupy space D all organisms are composed of cells and cell products E the cell is the basic structural and functional unit of life 17 cells are thick in the middle and tapered toward the end A Squamous B Stellate C



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