drexel bio 122 exam 1 2010

drexel bio 122 exam 1 2010 - Anandan Fall 2010 BIO 122 Exam...

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

View Full Document Right Arrow Icon
Anandan Fall 2010 A BIO 122 Exam I Name: ____ANSWER KEY_ TA Name :____________________ BIO 122-A Cells and Genetics Fall 2010 EXAM I Instructions On your scantron sheet, write your name and ID number in the space provided. Under this darken the corresponding circles on the top of your scantron form. Write in the version of the exam (either A or B) on the top of your scantron sheet. Give the bes t correct answer to the following questions. You will have to mark the correct answer on the scantron form that you have been provided with. Please read each question carefully. There is only one correct answer for each question! Each question is worth 2.5 points. Answer all questions GOOD LUCK!! 1. The process by which organisms maintain a stable internal environment in the face of a fluctuating external environment is called A. metabolism. B. cellular respiration. C. growth and development. D. homeostasis . E. functional proteomics and genomics. 2. All of the chemical reactions used to break down nutrients and build up components within the body are collectively known as A. anabolism. B. catabolism. C. metabolism. D. proteolysis. E. hydrolysis. 3. Changes in ________ represent the predominant cause for biological evolution. A. homeostasis B. growth and development C. reproduction D. genetic makeup E. energy 4. When considering nomenclature for scientific names, what is the difference between the two primates, Homo sapiens and Homo erectus ? A. One is a primate but the other is not. B. They are animals of a different kingdom. C. They are animals of a different order. D. They are animals of a different species. E. They are animals of a different genus. 1
Background image of page 1

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

View Full DocumentRight Arrow Icon
Anandan Fall 2010 A BIO 122 Exam I 5. The complete genetic composition of an organism is called its A. proteome. B. genome. C. transcriptosome. D. phenotype. E. None of these choices are correct. 6. Vertical evolution, whereby living organisms evolve from a common ancestor ("tree of life"), is the only mechanism of evolution on Earth. A.True B. False 7. All of the following are true about a dehydration reaction EXCEPT : A. Results in removal of a water molecule. B. Essential for the breakdown of complex molecules to simple ones. C. Essential to the formation of polymers. D. Essential for the formation of glycogen from glucose monomers. E. Essential for the formation of triglycerides (fat) from glycerol and fatty acids. 8. A monomer is to a polymer, as glucose is to A. lipids. B. carbohydrates. C. nucleic acids. D. proteins. E. None of the choices are correct. 9. Which of the following is TRUE about amphipathic molecules when placed in an aqueous solution? A. The interior portion is composed of hydrophilic hydrocarbon chains. B. The outside portion is composed of hydrophilic head groups.
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.

Page1 / 9

drexel bio 122 exam 1 2010 - Anandan Fall 2010 BIO 122 Exam...

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