Introduction to Cell & Molecular Biology, BIOL-2120 LABORATORY SESSIONS WILL MEET THIS WEEK...
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Transcript of Introduction to Cell & Molecular Biology, BIOL-2120 LABORATORY SESSIONS WILL MEET THIS WEEK...
Introduction to Cell & Molecular Biology, BIOL-2120
• LABORATORY SESSIONS WILL MEET THIS WEEK• RECITATION SECTIONS WILL NOT MEET THIS
WEEK (They begin next week)
Welcome to BIOL 2120: Introduction to Cell & Molecular Biology
Course webpage:http://www.rpi.edu/~ploppg/biol_2120/biol_2120.html
George Plopper, Ph.D.Department of Biology
Where does this class fit?
Core Courses
“Electives”
Engineering(incl. BMED)
Sciences Everything Else
BIOL 1010 (Sorry about that)
BioBCBPBioinfEtc.
BIOL 2120
What does this mean?
• Taking this course represents a commitment to a scientific track: welcome to “being a biologist” (even if you are an engineering major).
• From the syllabus: “You will be expected to think in this course, not just memorize.”
Grade history, by percentage
2009 2008 2007 2006 2005 Averages
0
10
20
30
40
50
60
ABCDF
Year
% t
otal
Bloom’s Taxonomy of Educational Objectives
Bloom’s domains• cognitive (about knowing)• affective (about attitudes, feelings)• psychomotor (about doing)
http://projects.coe.uga.edu/epltt/index.php?title=Bloom%27s_Taxonomy
Bloom’s TaxonomyCognitive domain- A hierarchy of six levels:6. create: makes judgments about the value of materials
or methods; new knowledge5. evaluate: can pull together many disorganized
elements or parts so as to form a whole4. analyze: can break down a communication into its
constituent parts, revealing the relationships among them
3. apply: all of levels 1 and 2, plus can take information of an abstract nature and use it in concrete situations
2. understand: can recall, but can do a little more (e.g. paraphrase, define, discuss to some extent)
1. remember: the recall of specific itemsHighschool
Graduation
This class
Forms of help
• Course webpage:http://www.rpi.edu/~ploppg/biol_2120/biol_2120.html– Read the advice from previous years’ students– Resources: lecture outlines, Powerpoint files,
recitation materials– Podcasts of lectures (from iTunes)– iClicker problem solving in lecture
Forms of help• Graduate TAs: More than lab managers–Ask questions/discuss material during lab
sections• [email protected] to contact the Head
TA with any non-lab questions or concerns.• Office Hours: Reality check! Most exam
questions arise from these discussions (I record them)– Office Hrs begin next week
Office Hrs Times/Locations
Mon from 2:00-2:50pm: DCC 232
Tues from 3:00-3:50pm: DCC 232
Weds from 2:00-2:50pm: DCC 232
Thurs from 3:00-3:50pm: J-ROWL 1W01
Fri from 2:00-2:50pm: DCC 232
Forms of helpRecitation sections: Small Group Learning
• Led by former BIOL 2120 students who did very well and volunteered to help you this semester– What to expect:
• Weekly quizzes (8 of them in the semester)• Informal discussion of lecture material• Relating lecture to real world examples: reading real research articles• Learn from experienced peers, at a student’s pace
– What NOT to expect:• Perfect answers to every question you can come up with• Years of teaching experience• Endless entertainment
Remember, the UTAs are one year ahead of most of you; they are not professors. Next year, you could be in their position.
Today’s Learning Outcomes:At the end of today’s class, you should be able to:• Draw a eukaryotic cell with at three least
structural features other than the nucleus and plasma membrane.
• List three properties of water that make it essential for life to exist on Earth
• Explain, in writing, the differences between monosaccharides, disaccharides, and polysaccharides.
The Big Picture, Chapter 1
• Cells are NOT this:
Nearly all cells are invisible to the naked eye
Cells are composed of millions of molecules
Figure 01.01A: Examples of different cell types, including structures specific to each. Panel A, an epithelial cell.
The Big Picture, Chapter 1
• Cells are NOT this:
Nearly all cells are invisible to the naked eye
Cells are composed of millions of molecules
Cells obey simple chemical rules
Figure 01.06A: Five unusual traits of water. Panel A, water is a liquid at room temperature. A. Hydrogen bonds form between partially charged atoms of opposite
polarity.
WATER IS SPECIAL
Figure 01.06B: Panel B, water is a polar molecule. B. CH4 and CO2 do not have partially charged atoms and therefore do not form hydrogen bonds.
Table 01.T01: Common functional groups found in biological molecules.
Note that dashed lines (-) indicate where these
groups bond with other atoms/molecules.
Figure 01.10: Common types of
lipids in cells. Common
abbreviations of organic structures
are shown.
iClicker timeHow does the valence number of an atom impact its function in living organisms?A. It determines whether a molecule is
hydrophobic or not.B. It determines whether a molecule is charged
or not.C. It determines how many bonds it can form.D. It determines the size of the atom.E. It determines whether the molecule is alive
or not.
iClicker timeHow does the valence number of an atom impact its function in living organisms?A. It determines whether a molecule is
hydrophobic or not.B. It determines whether a molecule is charged
or not.C. It determines how many bonds it can form.D. It determines the size of the atom.E. It determines whether the molecule is alive
or not.
Figure 01.11: Common monosaccharides in cells. The carbons are numbered by convention with "primes" as shown.
SUGARS ARE VERY SPECIAL
Today’s Learning Outcomes:At the end of today’s class, you should be able to:• Draw a eukaryotic cell with at three least
structural features other than the nucleus and plasma membrane.
• List three properties of water that make it essential for life to exist on Earth
• Explain, in writing, the differences between monosaccharides, disaccharides, and polysaccharides.