Lesson 03 Assignment - Lesson 03 Assignment 1. The highly...

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Lesson 03 Assignment 1. The highly repeated ends of chromosomes that get shorter with each cell division are  called: A. Polymerases B. Telomeres C. RNA  molecules D. Catalases Correct Answer: B 2. Which theory of aging states that the age changes are not due to the genes themselves but  rather to the damaged RNA and protein molecules? A. Death gene theory B. Error catastrophe theory C. Free radical theory D. Mitochondrial theory Correct Answer: B 3. The clinker theory of aging states that: A. free radical damage is the main reason for true aging. B. there is a limited number of times that the instructions in genes can be read. C. the substances that accumulate in the body interfere with the body function thus  causing damage. D. aging is nothing more than the accumulation of injuries. Correct Answer: C 4. Which of the following support the immune theory of aging?
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A. Rheumatoid arthritis B. Cancer C. Collagen crosslinking D. A and B are correct. E.
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This note was uploaded on 03/26/2008 for the course BIOL 155 taught by Professor Agnewrobertlain during the Spring '08 term at Pennsylvania State University, University Park.

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Lesson 03 Assignment - Lesson 03 Assignment 1. The highly...

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