Indirect immunofluorescence involves fixing the specimen onto a slide, adding fluorochrome-labeled antibodies and then incubating before examining on the microscope.
Answer the following statement true (T) or false (F)
False
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Contact of a sperm with signal molecules in the coat of an egg causes the sperm to undergo _____
A) mitosis B) depolarization C) apoptosis D) vitellogenesis E) the acrosomal reaction
Aerobic respiration, anaerobic glycolysis, and hydrolysis of phosphocreatine can all be used by vertebrate muscle cells to generate ATP during active periods. In what order are these mechanisms employed?
A. hydrolysis of phosphocreatine, anaerobic glycolysis, aerobic respiration B. hydrolysis of phosphocreatine, aerobic respiration, anaerobic glycolysis C. anaerobic glycolysis, aerobic respiration, hydrolysis of phosphocreatine D. anaerobic glycolysis, hydrolysis of phosphocreatine, aerobic respiration E. aerobic respiration, anaerobic glycolysis, hydrolysis of phosphocreatine
Consider the following two chemical equations:A
glucose + fructose ? sucrose + H2O, ?G = +27kJ/mole (or +6.5 kcal/mole) B. glucose + fructose + ATP ? sucrose + ADP + Pi, ?G = ?5kJ/mole (or ?1.2 kcal/mole) The free energy change difference between the chemical equations (A) and (B) above is accomplishedby:a. a decrease in activation energy. b. combining two endergonic reactions. c. combining an endergonic and an exergonic reaction. d. combining two exergonic reactions. e. measuring the reaction rate.
The ________ zone of an open-water lake receives enough light to support photosynthesis
Fill in the blank(s) with correct word