Two-dimensional gel electrophoresis
A. can be used to resolve thousands of proteins in a complex mixture.
B. separates proteins based on their isoelectric pH.
C. separates proteins based on their size.
D. All of the choices are correct.
Answer: D
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You are scheduled to give a seminar to your fellow med school students, and have chosen to speak about the pituitary. What important points will you include? (Check all that apply.)
_____ The posterior pituitary is derived from the brain, while the anterior pituitary is not. _____ The anterior pituitary is derived from the brain, while the posterior pituitary is not. _____ The pituitary is a compound endocrine gland. _____ Each half of the pituitary secretes one important hormone. _____ Some pituitary hormones have sex-specific effects. _____ If there is too little iodine in the diet, the pituitary can grow into a goiter. _____ The pituitary is responsible for producing at least nine major hormones.
What role is played by the hormone insulin?
a. regulating body response to stress b. regulating metabolic rate c. maintaining blood glucose homeostasis d. stimulating follicles in the female reproductive system
what type of exotoxin causes gastroenteritis in patients infected with E.coli?
What will be an ideal response?
Mannitol salt agar contains mannitol sugar, a pH indicator, and high concentration of salt (7.5% sodium chloride). Sugar could be fermented by some organisms, and high salt content is inhibitory to some bacteria. This medium is an example of a ___________ medium.
A. selective and differential B. Selective C. Enriched and Selective D. Enriched E. Differential