07 Exam 1 - 1ST EXAM BIOL 164 GENETICS EVOLUTION SOCIETY...

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

View Full Document Right Arrow Icon
1 ST E XAM , BIOL 164, G ENETICS , E VOLUTION S OCIETY , S PRING 2007 NAME (Last/Family Name First): ________________________________ Signature: ________________________________ Student ID Number: ________________________________ Instructions : Circle the correct answer, or circle the letter corresponding to the correct answer, or write in the correct answer, as appropriate. In all cases, write legibly; answers that I cannot read will be considered incorrect. All questions are of equal point value. Good luck! ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 1. Which element of the four-part Darwinian syllogism of natural selection would be violated by a species in which each individual could only mate once in their life, and every mating only produced two offspring? ________________________________ 2. In the ecological equation, dN/dt = rN[(K-N)/K], what does dN/dt stand for? a. The number of individuals in the population. b. The total number of individuals that the local habitat can support. c. The number of individuals added to the population in a particular time unit, such as a generation. d. None of the above. 3. The observation that all of life uses L-amino acids provides evidence: a. That there is a mechanism of natural selection b. That all of life descended from a single common ancestor c. That left-handed people are more in tune with the universe 4. When a cell divides in two, it replicates its DNA and each daughter cell gets a DNA molecule (one on the left, and one on the right, below). The bold letters indicate one of the strands of the parental cell’s original DNA molecule. Below, label which strands were part of the original parental DNA molecule (as “parent”), and which strands are newly synthesized DNA (as “daughter”). _________________ GATTACA GATTACA _________________ | | | | | | | | | | | | | | _________________ CTAATGT CTAATGT _________________
Background image of page 1

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

View Full DocumentRight Arrow Icon
5. The most common kind of mutations in DNA are transitions, which appear to arise from tautomeric shifts. These mutations cause substitutions of purines for purines or pyrimidines for pyrimidines. Circle all the transitions below: G A A T G T A C G C T C 6. How many hydrogen bonds does T make with its usual base-pairing partner? ________________________________ 7.
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 04/18/2008 for the course BIOL_SCI 164 taught by Professor Walsh during the Spring '08 term at Northwestern.

Page1 / 6

07 Exam 1 - 1ST EXAM BIOL 164 GENETICS EVOLUTION SOCIETY...

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