Human Anatomy and Physiology IBIOL227
Ch. 1- The Sciences of Anatomy and
The Sciences of Anatomy and Physiology
What is anatomy and physiology?
Structure and function are inseparable.
Maintenance of homeostasis
B227 Lecture Exam #1 Review- You may use this review as a guide in studying for
lecture exam #1. Make sure to read all the material in your lecture text book & PPT
presentations for a comprehensive explanation of the content covered.
Chapter 1- The Scienc
All living organisms require
Energy exists in 2 states
Energy can be converted from
one state to another
Energy can be harnessed
Heredity: the tendency for traits to be passed from parent to offspring. Traits are alternative
forms of a character, or heritable feature.
T.A. Knight: a British farmer who crossed a variety of the garden pea that had purple flowers
with one t
Walter Sutton (1902) & Thomas Morgan (1910) determined
chromosomes carry hereditary information
Eukaryote chromosomes made of proteins & DNA
So, which molecules carry the genes?
1. Separate the DNA & proteins
2. Introduce th
Genomics & Biotechnology
genome = organisms total genetic information (genes, introns,
exons, junk & extra-nuclear DNA)
genomics compares genomes between organisms
DNA sequencing: process of determining order of nucleotides
And were back from commercial
Expression of phenotype can be complicated
continuous - Traits expressed as slight differences along a
Common in polygenic traits (influenced by many genes)
How Genes Work
The Central Dogma
DNA RNA proteins
Chromosomes store DNA
Information in DNA stored in genes
Genes code for proteins
Proteins determine phenotype (cell form, function, identity)
DNA instructions copied into RNA messages
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Information on midterm 1
Midterm takes place on Feb 15 at 6:30 PM in
rooms S1 / 4
There will be 5 questions out of which you shall
answer any 4.
Time allowed is 90 min.
There is a conference today at 13:30 to 14:30
in room W2/3A.
Information on midterm
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Conferences to view your midterm exam scheduled
Conferences to view your midterm exam have been
scheduled as follows. All conferences are in room W2 / 3A:
11:30 to 12:30
3:30 to 4:30
1:30 to 2:30
Procedures for viewing your m
1. Pre-lecture quiz-4 has been posted. It is based on the
material in lecture-17 and is accessible to you until
Friday 9:30 AM.You have one 2-hour attempt to do it.
2. Answers to sample questions at the end of each
lecture in the course pack
3. List of equations you should remember by heart has
been posted in the module Midterm.
4. In addition to the list of equations posted, it is important
that you know basic mathematical relationships
between metabolic rate and body size at
Conference tomorrow (March 9) to view your
midterm exam In room: W2 / 3A at 3:30 to
Biology 205 Lec 24
Growth and Development - 1:
Clicker questions next !
You have two solutions, A and B, one contains auxin a
Biology 205 - Lecture 25
Growth and Development - 2:
Plant Growth and Development
Clicker Questions Next !
There are several mechanisms of generating polarity
during early embryogenesis. Which one of the following
statements is false?
1. Post-Lecture Test 2 has been posted:
It has about 20 questions.
Covers the material in lectures 12-18
You have one attempt of 4 hours
It is worth 3.5% of your final course grade
2. Remember midterm is required. You have to
have a vali
Biology ofOrganisms BIOL 205
p. 1 of8
Faculty of Science
BIOLOGY OF ORGANISMS
Examiner: Professor Raj Dhindsa Thursday, April 22, 2004
Associate Examiner: Professor Donald L. Kramer 09:00 i 12:00
The chemical building blocks of.blah blah blah
This is what youre made of!
Macromolecules big ones built from little ones
Building materials of organisms
Composed of subunits (_)
Monomers bound together form _