Biology 112 Introduction to Ecology
Days / Time:
66029 3 Units
MTWTh 8:00 AM 9:50 AM
Raven, Berg, Hassenzahl: Environment, 7th Edition
Chapter 7 Human Health and Toxicology
1. Historically, island species have tended to become extinct faster than species
living on a mainland. Which of the following reasons can be used to explain this
a. Island species have often evolved in the absence of predators and have no
Ms. De Luera
September 15, 2016
Water Concepts Lab Report
Part A: Pile It On!
Number of Drops
Number of Drops
It is best to perform th
Pre Calculus - Spring Semester
Final Exam - Review 1
Per/Sec. _ _ Date _
If sin B > 0 and cos B < 0 then B lies in
quadrant(s) _ _.
Use trigonometric identities to simplify
cos (; + x)
2. If cos B < 0 and tan B > 0 then B lies in
The Job of RNA
The differences in the composition of RNA and DNA are:
DNA is composed of Deoxyribose sugar; RNA is composed of ribose sugar
DNA is double stranded(double helix) ; RNA is single stranded (sometimes folds back on
itself to form
Epigenetics and heredity
Epigenetics is the study of inherited changes in phenotype or gene expression caused by
mechanisms other than changes in the DNA sequence. The variation in genetically identical
individuals has become
Diffusion Osmosis Lab Report
If two solutions, with the same solute and solvent but different solute
concentrations, were divided by a semipermeable membrane then the solvent would
diffuse across the membrane until both sides are of equal solute concentra
Chapter Outline: Regulation of Gene Activity
1. Bacteria do not require the same enzymes all the time; they produce just those needed
at the moment.
2. Francois Jacob and Jacques Monod (1961) proposed the operon model to explain
1.The survival of organisms depends on regulatory mechanisms at various levels. Explain how each of the following
The expression of a gene.
The activity of an enzyme.
The cell cycle.
2. A portion of specific DNA molecule consists of th
Review for the AP exam
Intro to science and biochemistry
Cells and metabolism