Arrive 30 minutes early if at Wentworth
Park (Biocomplexity will be)
Seats will be allocated
Bring your student card
Maintain appropriate conduct
2 hours (+10 minutes reading time)
Closed book exam
50 multiple choice qu
Spring semester 2012
A subject about understanding the complexity of life
Miss a prac?
Andrea Leigh (Andy), Subject Coordinator:
Fraser Torpy: [email protected]
Electric Charge (q)
Proton (+) positively charged
Electron () negatively charged
Neutron: no net electric charge
NOTE: SI unit for charge is Coulomb (C)
Electron Charge = - 1.602 x 1019 C
Proton Charge = + 1.602 x 1019 C
Law of Conservat
Breaks food down into nutrient molecules.
Absorbs these molecules into the bloodstream.
Removes indigestible remains from the body.
1. Ingestion - Intake of food into the digestive tract
Porifera (Sponges) Phylum Features
Lacks tissues or organs.
Has toxins used as anti-bacterial and parasitic, which allows to
compete for space.
Have internal cavities lined with food-filtering flagellated cells
Atomic and Nuclear Physics
Atoms & Nuclei
Atom consists of a nucleus and at least one electron.
Nucleus consists of protons and neutrons.
Nucleons are the collective name for protons and neutrons.
Atomic Number (Z) = Number of protons in a nucleus.
Chlorophyll pigments make plants appear green.
Plant cells contain chloroplasts (site of
photosynthesis), which contain chlorophyll.
Photosynthesis involves energy harnessed from
sunlight, which is used to form sugars (in the
Composed of glands, cells, organs and tissues that
secrete hormones into the bloodstream.
Hormones are chemical messengers that are
released into the bloodstream and act upon their
target cells and tissues.
Chromosomal Sex Determination
Each cell in our body contains 23 pairs of chromosomes.
22 pairs of autosomes (non-sex chromosomes).
1 pair of sex chromosomes (XY males: XX females).
a) Males produced half Y carrying sperm and half
What is evolution?
Evolution is the central and guiding principle of
Forms the assumption(s) on which the rest of biology
Some non-scientists suggest that there is doubt
about the theory.
Assumptions of Science
Prokaryotes, Protists and Photosynthesis
Not a cell.
Infects animals, plants, bacteria, fungi and protozoa.
Has a core nucleic acid surrounded by protein coat.
Only contain either DNA or RNA.
RNA viruses may be segmented, with multiple RNA
Stress and Anxiety
Types of stress
Routine stressors: can be handled by homeostatic mechanisms through negative
feedback. Prepare us to meet challenges and are helpful
Acute stressors: punctate stress, short lived responses that are turned off: when
Results were accumulated from 20 subjects; p values were determined to investigate
statistical significance (Table 1). Results were statistically significant as p values <
Control data of mean-maximum shows a decrease of zygomaticus muscle a
Biocomplexity road map.
Summary of 1st part of lecture 2
Evolution of life
a single cell
Back to the water
Out of the water on to the land