Exam+1+--+Spring+2004+--+ANSWERS+_do+not+distribute_

Exam+1+--+Spring+2004+--+ANSWERS+_do+not+distribute_ -...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
B\Oz2s,Spring 2004,Exam I Student Name JL,h*tt,, [1- ;,00, tf r Dr. S. Pavgi Total Points 100 ID / i, I 3 $ ir rl BlO225, Principles of Animal Physiology Spring Term 2004 Examt n,u Answer all questions. q Ql. which of the following actls through nuclear receptors? 2 points a. Thyroxine(Ta) -,ih , *.- b. progesteron:rF 5$I$-" Nrlu,.r.o.\rn"" _, c. corticosteroid t d. all of the above e. aandc X none ofthe above Q2. Which kind of metabolic inhibitor would most directly interfere with glycolysis? . \ An agent that reacts with oxygen and depletes its concentration in the cell. V b. An agent that binds to pynrvate and inactivates it. c. An agent that mimics the structure of glucose but is not metabolized. { that inhibits the formation of acetyl coenzyme A. Q3. The main source of energy for spermatozoa during its journey in the male reproductive tract is _ in the surrounding medium. a. glucose b. glycogen c. fructose d. lipoproteins e. all of the above Q4. An increase in which of the following parameter is most important in the evolution of spe iaftgd*erl-ch*A!_suif+eq. "-qs.frs*h_e Ufl!sq:"s*l'i_t$.g:]#l i?""? poinrs a. Surface area v b. Thickness c. Number of cell layers d. Cell volume
Background image of page 1

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

View Full DocumentRight Arrow Icon
BIO225, Spring 2004, Exam I Dr. S. Pavgi Total Points 100 \ Facilitated diftusion $. diffusion . c. active transport J '& osmosis e. anyofthe above Q6. Na*A(* ATP-ase pump Student Name * lr r, tr,,,,, ir"i ',a.ptlsy ID I r-'ll { :'4 I Q5. The concentration of calcium in a cell is 0.3%. The concentration in the surrounding fluid is 0.1%. How could the cell obtain more calcium? points \, * !,' 11\'\r r\ I \Creates an ion-motive force for synthesis of ATP. *ab) Creates an electrical gradient with the interior of the cell more negative than the exterior. -+c) Creates a chemical gradient with a higher extracellular concentration of Na*. $ Makes the interior of the cell more concentrated than the exterior. j' i lil , lj r"\ t' i 1.lr ' 'ir -,h$' it \ ., '- _,, ;l - .!" 2 points a. b, tc. vd. e. ,-D e) Both b and c. Q7. What kind of connective tissue is ligament? cartilage adipose loose connective fibrous connective specialized for holding bone to muscle. Q8. Which of the following is an incorrect association of an animal germ layer with the tissues/organs to which it gives rise? a. Ectoderm - outer covering b. Endoderm intemal lining of digestive tract \/ c. Mesoderm gonads d. Mesoderm nervous system Q9. The primary reason steroid hormones usually act slowly is that they are produced at very low concentrations. acting via a signal-transduction pathway makes for slower responses than does directly interacting with a cell's DNA. they are too large to enter a cell and therefore must first bind to a plasma membrane _ \ receptor before having an effect on a cell. >\ d. theytum genes on o, off and it takes time for gene products to build up or become depleted.
Background image of page 2
BIO225, Spring 2004, Exam I Dr. S. Pavgi Total Points 100 SrudentName .h+iluri l{w,qgftf Student ID 'l {r i. {'l *\ Ql0. Juvenile diabetes is on the rise and more and more American children are affected by this endocrine disorder. Juvenile diabetes is a form of 2 points a. Insulin Dependent Diabetes Mellitus (Type I Diabetes) b. Insulin Independent II Diabetes) Ql1. Glucose sparing
Background image of page 3

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

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 07/11/2011 for the course BIOLOGY 225 taught by Professor Pavgi during the Spring '10 term at University of Michigan.

Page1 / 9

Exam+1+--+Spring+2004+--+ANSWERS+_do+not+distribute_ -...

This preview shows document pages 1 - 4. Sign up to view the full document.

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