Immunofluorescence methods can be carried out with antibodies that directly recognize the protein of interest. The indirect method is different because it requires that the antibody to the protein of interest be:
A. attached to a fluorochrome.
B. detected by a second antibody that is attached to a fluorochrome.
C. detected by a second antibody that recognizes the fluorochrome.
D. detected by a secondary antibody attached to luciferase.
E. detected by a secondary antibody attached to luciferin.
B
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Irregular dental hygiene and a high sugar diet may led to tooth decay. Why?
A. Bacteria consume calcium. B. Lactic acid fermentation is used to generate ATP under anaerobic conditions. C. Plaque degrades the tooth's protective mucosal layers. D. Glucose forms a weak acid when dissolved in saliva. E. High concentrations of sugar soften the tooth enamel. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about teeth? How does it relate to the question? · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Ions can be moved against the concentration gradient to create a difference in charge across that membrane. Later, the electrochemical gradient can be exploited by the cell to drive other processes. Respectively, what are these two mechanisms called?
a. primary passive transport, secondary passive transport b. primary sodium transport, secondary potassium transport c. primary active transport, secondary active transport d. primary electrical transport, secondary electrical transport
In which group does most of the carbon dioxide formed during aerobic respiration leave across the skin?
a. fish b. insects c. lizards d. amphibians e. snakes
Membrane proteins perform all of the following functions except
A) receptors. B) transporters. C) enzymes. D) blocks. E) anchors.