BIO 1510 f07 exam 2 v.1 KEY

BIO 1510 f07 exam 2 v.1 KEY - BIO 1510 Exam#2 Version#1...

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

View Full Document Right Arrow Icon
BIO 1510 Exam #2 – Version #1 10/29/07 BIO 1510 exam #2 – VERSION #1 ___________________________________________________________________________ 1. After getting off the ski lift, you choose a trail that requires you to ski up a small incline before beginning the downward section of the trail. In this scenario, the hill is analogous to A. kinetic energy. B. activation energy. C. potential energy. D. free energy. 2. Reactions that occur spontaneously and release free energy are called _____________ reactions. A. endergonic B. catabolic C. activation D. thermodynamic E. exergonic 3. The Second Law of Thermodynamics simply states that A. energy can be recycled through the universe. B. energy quality increases when it is changed from one form to another. C. energy is constantly being created in the universe. D. disorder in the universe is continually increasing. E. energy cannot be created or destroyed, just changed from one form to another. 4. In an experiment described in a chemistry lab book, the directions state that after mixing the two chemicals (A and B) and waiting 5 minutes that B will be reduced. This means that A. chemical B has lost electrons to chemical A. B. chemical B has been consumed by chemical A. C. chemical B has gained electrons from chemical A. D. chemical B has shared electrons with chemical A. E. chemical B has lost its ability to interact with chemical A. 5. When blood glucose levels rise above the normal range, chemoreceptors, special sensors in the blood vessels, detect the deviation from the norm. They transmit a signal to the brain, which in turn sends a signal to the beta cells of the pancreas, instructing them to release insulin into the bloodstream. In this negative feedback system, the pancreatic beta cells represent the: A. Stimulus B. Control center C. Receptor D. Effector 6. Phosphorylating a protein using ATP can be used to do all of the following except: A. Contracting muscle fibers B. Joining two molecules together. C. Transporting a molecule across the cell membrane against its concentration gradient D. Lowering the activation energy of a reaction. 7. In an enzyme-catalyzed reaction the reactant is called the A. regulator. B. activator. C. catalyst. D. end-product. E. substrate. Pandolfi - Fall, 2007
Background image of page 1

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

View Full Document Right Arrow Icon
BIO 1510 Exam #2 – Version #1 10/29/07 8. A new antibiotic has been developed that will use competitive enzyme inhibition. This means that the A. antibiotic will bind to the enzyme-substrate complex. B. antibiotic will bind to an allosteric site on the enzyme
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.

{[ snackBarMessage ]}

Page1 / 7

BIO 1510 f07 exam 2 v.1 KEY - BIO 1510 Exam#2 Version#1...

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