Midwestern University
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-all firms in all markets make a decision about quantity to produce and price to charge 
-goal: attain maximum profit 
 
Short Run: 
-time frame of at least one factor of production is fixed 
-plant: fixed factor of production (generally capital, land, entrepreneurship) 
-production and labour variable factors of production 
-easily reversed (generally by changing amount of labour it hires) 
 
Long Run: 
-quantities of all factors of production can be varied 
-not easily reversed 
-sunk cost: pa...
transposable elements = jumping genes 
 
discovered by Barbara McClintock in maize 
 	 
 
transposable elements = jumping genes 
 
first evidence by Marcus Roades in 1930s 
and described in detail by Barbara McClintock in maize from 1940 onwards 
 
but they exist in many organism including mammals, insects, plants…… 
 
the human genome 
Classification 
two different major classes RETROTRANSPOSONS - RETROPOSONS 
transpose via reverse transcription of an RNA intermediate 
 
TRANSPOSONS 
tra...
Sound and sound waves 
	sound waves are longitudinal waves (also called compression or pressure waves) 
 
 
 
	get vibrations from source of sound (eg. loudspeaker, vocal chords) 
 
 
 
 
	individual molecules vibrate back and forth (horizontal motion) about (fixed) equilibrium position 
	get a travelling wave moving through gas, liquid, or solid (needs a “medium”) 
 
 
	frequency 
 
of the wave is determined by the source 
 
 
 
 
 
PHYS117 
 
	the wavelength 
	spe...
GSA: 
Many of you will recall studying lac operon regulation in previous biology courses, in this course, we will focus on the trp operon instead. The background material is in sections 13.1a and 13.1d. 
Feel free to read the lac operon material as general background to operons but our main outcomes will relate only to trp. As you study the structure of the trp operon, think like a geneticist and ask yourself what the effect might be of various mutations at various locations. This Cycle only loo...
These slides are by no means a substitute for the textbook readings and represent a modified version of Christopher Dougherty’s slides. 
 
 
 
 
 
 
This lecture covers the material related to the simple linear regression: 
	Estimation of coefficients 
	Unbiasedness, Efficiency, and Monte Carlo Experiments 
	Testing hypothesis on coefficients 
	Testing the goodness of fit of a linear regression 
This lecture will cover chapters 1 and 2 of the Dougherty textbook. Understanding this material is...
■	Somatic Symptom Disorders 
■	Involuntary physical complaints or disabilities with no biological cause 
■	e.g. Pain Disorder 
▪	Feel pain with no physical cause, or disproportionate amount of pain given cause 
 
 
eg Functional Neurological Symptom Disorder 
▪	Formerly known as Conversion Hysteria, or (later) Conversion Disorder 
▪	Paralysis, blindness, or loss of sensation with 
no physical cause 
▪	Associated with “la belle indifference” – a 
 
 
 
 
 
■	In some cases o...
Sexual Variations: 
Unusual Sexual Interests 
Professor William Fisher 
Department of Psychology Department of Obstetrics and Gynaecology 
University of Western Ontario London Ontario 
 
Center for Health Intervention and Prevention University of Connecticut 
Storrs Connecticut 
 
 
 
 
 
 
 
 
 
When is Sexual Behavior Abnormal? 
Some Relativist Definitions 
 
 
	Statistical definition: an abnormal sexual behavior is one that is statistically rare and not practiced by many people. 
	Wa...
2019 PN HESI EXIT V1
Biochem OA #2 Dump 
Repeat questions from first OA: 
 Hemophilia question: Father has hemophilia and mother is a 
carrier. What is the outcome of the kids. (Answers choices are: No 
kids have hemo, all kids have hemo, Boys only have it but not the 
girls, Girls have it but not the boys)-Remember Hemophilia is Xlink 
recessive 
 Punnett Square question: Four squares with four drop down boxes. 
2 squares with 2 speckled parents, 2 squares with 2 black parents. 
(A dead pup is in one of the s...
2019 PN Hesi Exit V1 
Question 1 
A school-age client with diabetes is placed on an intermediateacting insulin and regular insulin before breakfast and before 
dinner. She will receive a snack of milk and cereal at bedtime. 
What does the nurse tell the client the snack is intended to do? 
You Selected: 
• Prevent late night hypoglycemia. 
Correct response: 
• Prevent late night hypoglycemia. 
Question 2 
A well-known public official of a small community is admitted to 
the emergency departm...