AS Quiz 02 CH375 2007-2

AS Quiz 02 CH375 2007-2 - H. The transport of solutes...

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CH375 Introduction to Biology 2007-2 Cadet _____________________________ 30 point quiz No. 2 I hour Match the following with the best choice on the right (3 points each). 1 . Active transport H A. A biomolecule containing an amine group and a carboxylic acid group 2 . Lipid D B. The transport of solutes across a semipermeable membrane down the concentration gradient which does not require cellular energy but does require a protein 3 . Facilitated diffusion B C. The transport of material into a cell in which a membrane bound vesicle is pinched off as the particle is brought into the cell 4 . Simple diffusion F D. A group of biomolecules that are predominately hydrophobic 5 . Peptide bond G E. A biomolecule containing a phosphate group and a nitrogenous base F. The transport of solutes across a semipermeable membrane down the concentration gradient and does not require cellular energy nor the involvement of proteins G. The bond formed between the amino group of one molecule and the carboxyl acid group of another, found in proteins
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Unformatted text preview: H. The transport of solutes across a semipermeable membrane against the concentration gradient and requiring cellular energy 6. (4 points) The figure is what type of biomolecules? a. amino acid b. carbohydrate c. lipid d. nucleic acid 7. (4 points) The predominate functional group(s) in the above figure is(are) a(an) a. carboxylic acid group. b. amino group. c. hydrophobic group. d. hydroxyl group. CH375 Introduction to Biology 2007-2 Cadet _____________________________ 30 point quiz No. 2 I hour 8. (4 points) The two strands of DNA in the double helix are held together by a. covalent bonds. b. van der Waals forces. c. salt bridges. d. hydrogen bonds. 9. (3 points) Which of the following substances can free pass through a plasma membrane? a. Glucose b. an amino acid c. a sodium ion d. water Extra credits (3 pts) What is/are the forces that hold together the phospholipids in a cell membrane? van der Waals forces or hydrophobic bonds...
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This note was uploaded on 04/15/2008 for the course CH 375 taught by Professor Eslinger during the Fall '08 term at West Point.

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AS Quiz 02 CH375 2007-2 - H. The transport of solutes...

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