Prelim2ReviewGuide

Prelim2ReviewGuide - REVIEW GUIDE FOR BIOG 110 PRELIM#2 You...

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REVIEW GUIDE FOR BIOG 110 PRELIM #2 You have a number of resources to help you prepare for Prelim #2. Each of the following is posted on the BioG110 Blackboard site. Potential Prelim essay question written by Professor Wayne The pre & post lecture questions written by Professor Wayne – Recall a large portion of the exam will be composed of these questions Lecture Note summaries and this review guide written by Dr Balko At this point, you should use the ppts and lecture notes as reference sources (much as you would a text book) to help you find the answers for all the questions in this review guide. This review guide will serve as an outline of key terms and concepts covered on the second Prelim. 1. Where are red blood cells formed in the your body? Red blood cells are formed in the bone marrow. 2. What is the actual process that causes a muscle contraction? HINT: Review the steps involved in a muscle contraction. Muscle contraction is an active process that requires ATP. Muscle extension or relaxation is a passive process. Movement requires the coordinated actions of two opposing muscles. One muscle in a pair relaxes while the other muscle contracts. The nervous system provides the signal for a muscle to contract. Contraction is due to the conversion of the chemical energy of ATP to the mechanical energy of muscle contraction. 3. What causes Rigor morti s of the bodies muscles following death? When a cell dies, and no longer produces ATP, the myosin head can no longer dissociate from the actin filament and the cell becomes stiff and inelastic, a state known as rigor mortis. 4. What genetic condition has been linked with having a much great greater body muscle mass than other members of the same species? A mutation in the myostatin gene will lead to an increase in muscle mass. 5. What is an Ovist? An ovist is someone who believed that the egg contains a preformed miniature copy of the baby and the semen just “activates” it. All characteristics are thus inherited from the mother. 6. What is a spermist? A spermist is someone who believes that the sperm contains a preformed miniature copy of
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the baby and the egg just “nourishes” it. All characteristics are inherited from the father. 7. What part of the human female’s reproductive system sweeps the secondary oocyte into the fallopian tube? Fimbriae sweep the secondary oocyte into the fallopian tube. 8. Where (specifically) is sperm formed in the human male reproductive system? Sperm is made in the seminiferous tubules in the testes. 9. What is the definition of fertilization? Fertilization is the union of egg and sperm. Fertilization constitutes the penetration of the
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This note was uploaded on 11/03/2009 for the course BIOG 1110 taught by Professor Randywayne during the Spring '09 term at Cornell.

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Prelim2ReviewGuide - REVIEW GUIDE FOR BIOG 110 PRELIM#2 You...

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