Biology 1350: General Biology II
Exam 3, Part II, VERSION 1
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(2 PtS.) Briey describe what introns are and one hypothesis about why they may be useful.
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Unit 3 Study Guide
Identify the overall structure as well as the components/cells and functions of plant organs (roots, stems,
leaves) and tissues (dermal, ground, vascular).
Lecture 14 Outline: Meiosis
Variations in sexual life cycles
Synapsis and crossing over
GENETICS is the study of heredity and hereditary variation.
Useful Genetics Vocabulary
In order to under
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o Mechanisms of Enzyme Function (Zn 1,ch @1th _ CASG.
Enzymes work by lowering the activation energy or EA of a reaction, helping the
reactants reach an unstable condition known as the transition state. It is
important to no
Ph t th _ Photosynthesis
0 05 n 9515 15 the Synthe513 of organic compounds from carbon dlOXIdE and water, usmg
light as an energy source.
Balanced equation for photosynthesis:
Oxidizing agent: ( )2
Reducing agent: g (a [4,3032
1. If you measure the pH of the thylakoid space and the pH of the stroma of a chloroplast in
the light, what would you expect to find?
a. The pH in the thylakoid is lower than that of the stroma.
b. The pH of the stroma is lower than the pH of the thylako
The Cell c cle
The life of a cell fro ' -
m. An impofiailte hate 1; t1: rst formed until the time it divides into two cells is called the
division results in geneg 11 Cid .CEll cycle 15 the reproduction of cells, or cell division. Cell
Recognition between cells
Communication between cells
Binding of cells to other cells to form tissues and organs
Fluid Mosaic Model 903
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t e mm the membrane is a fluid structure with a mosaic' of
various proteins embe
Lecture Outline: Meiosis
o Genetics vocabulary
0 Variations in sexual life cycles
o Synapsis and crossing over
0 Genetic variation
w is the study of heredity and hereditary variation. l
Lecture 6 Outline: Membrane Structure and Function
Fluid mosaic model
Membrane proteins and their functions
Movement of substances in and out of the cell
The plasma membrane has several imp