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Your friend has isolated plasma membranes and reassembled the membranes into small vesicles. Using fluorescently labeled lectin, he sees that some of his vesicles are fluorescently labeled and some are not. Recall that lectin binds to carbohydrates. Furthermore, his labeled lectin cannot permeate membranes.
A. Which population of vesicles has a surface similar to that of the cell? Why?
B. How do you explain the other population of vesicles?
An ecologist recorded 12 white-tailed deer, Odocoileus Virginianus, per square mile in one woodlot and 20 per square mile on another woodlot. What was the ecologist comparing? a. density b. dispersion c. carrying capacity d. quadrats e. range
Explain how sexual reproduction in plants illustrates alternation of generations. Include the processes involved and include at least one type of plant to illustrate your answer.
Ovules from a pure-breeding yellow plant are fertilized with pollen from a pure-breeding green plant. All of the progeny are yellow. When the reciprocal cross is performed, all of the progeny are green.
Which of the following peptide sequences is likely alpha helical structure?
The global community is plagued by increasing incidence of lung cancer, colorectal cancer, breast and pancreatic cancers, prostate cancer, non Hodgkin lymphoma, liver, ovarian and esophageal cancers.
How might fat-free mass (FFM) and heart rate affect an individuals resting (RMR) and basal (BMR) metabolic rates? Provide a CLEAR reference(s) to response(s) if possible.
Birth control pills maintain a high blood level of estrogen and progesterone. Determine what is happening in the ovary when the blood level of estrogen is high?
What theories were synthesized to generate the modern theory of evolution? In what ways did that change Darwin's original framework?
Primary reason for the incredible success of viruses in their incredible diversity. Explain why a virus that is well adapted to one species and causes no apparent disease can upon a switch to a new host range cause severe disease
Atherosclerosis is the progressive disease of blood vessels that is responsible for millions of death each year. Explain disease process, noting the involvement of specific cell/tissue types and molecules.
Discover different ways to synthesize drugs to treat Myasthenia Gravis. Or how can we synthesize drugs to treat Myasthenia Gravis.
What anatomical structures does the Vagus nerve innervate.
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