Exam I 9-22-08-key

Exam I 9-22-08-key - Name_KEY BISC 104 Exam I(total 100...

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

View Full Document Right Arrow Icon
1 Name _____KEY________________ BISC 104 Exam I (total 100 points, 6 pages ), 1-1:50 P.M., September 22, 2008 Please circle the initials of your TA: DG XY EZ Section I. Multiple-Choice (Total 30 points , each correct answer is worth 2 points ). CIRCLE the one best answer for each question. 1. Which of the following ions bind to troponin, and are essential for muscle contraction? a) Na + b ) K + c) Cl - d ) M g 2+ e) Ca 2+ 2. Which of the following tissues is avascular? a) bone b) cartilage c) skeletal muscle d) brain e) epithelium 3. __________ is a universal energy carrier and is produced in the cell by the _____________. a) cAMP; mitochondria b) cAMP; rER c) ATP; mitochondria d) ATP; Golgi apparatus e) cGMP; Golgi apparatus 4. Dietary “fibers” are primarily made of a) protein b) glucose c) lactose d) starch e) cellulose 5. Red blood cells bathed in pure water would a) shrink and die b) shrink but survive c) swell and burst d) not change in volume e) increase ATP production 6. Synovial joints are found in the a) skull b) vertebrae c) ribs d) knee e) all of the above 7. A protein whose activity has been destroyed by high temperature is said to be a) denatured b) deaminated c) phosphorylated c) buffered e) None of the above is correct 8. Endurance training can result in a) a decrease in the number of red muscle fibers b) hypertrophy of white muscles c) an increase in myoglobin contents d) an increase in lactic acid e) all of the above
Background image of page 1

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

View Full DocumentRight Arrow Icon
2 Name ________________________ 9. Isotopes are atoms of the same element, but differ in the number of ____________________. a) neutrons b) protons c) electrons d) atomic number e) all of the above 10. Fish is rich in ____________________________, which are beneficial to our health. a) cholesterol b) saturated fats c) mercury d) omega-3 fatty acids e) trans-fatty acids 11. Which of the following is an artificial sweetener often found in diet drinks? a) sucrose b) aspartame c) maltose d) fructose e) None of the above is correct 12. A typical cell, such as the red blood cell, in the human body is approximately (in diameter) a) 10 μ m, and can be seen with the naked eye. b) 10 mm, and can be seen with the naked eye. c) 10 cm, and can be seen with the naked eye. d) 10 μ m, and can be seen with electron microscopy. e) 10 nm, and can be seen with electron microscopy. 13. Normal blood pH is _____, which can be maintained within a narrow range by _________________. a) 7.0; buffers b) 7.4; osmosis c) 8.0; unsaturated fats d) 8.0; saturated fats e) 7.4; buffers 14. Repetitive motions, such as typing, could result in a) osteoporosis b) carpal tunnel syndrome c) muscular dystrophy d) erectile dysfunction e) herniated discs 15. Thin filaments in the skeletal muscle are made of a) actin
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.

This note was uploaded on 07/25/2010 for the course BISC 104LXG taught by Professor Ko during the Fall '08 term at USC.

Page1 / 6

Exam I 9-22-08-key - Name_KEY BISC 104 Exam I(total 100...

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