When does gene expression occur?
a. when a gene is turned on to produce RNA
b. when a gene is turned on to produce DNA
c. when a gene is turned on to begin the cell cycle
d. when a gene is turned on to begin the process of apoptosis
a. when a gene is turned on to produce RNA
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Phil has chronic ulcers, he has been taking acid blockers and drinking vast amounts of liquid antacids. These help relieve the symptoms but he still suffers from ulcers. What would be the best course of action to treat the source of his ulcers?
A. Taking several different antacids. B. Increasing the dosage of acid blockers. C. Taking a course of antibiotics. D. Reducing the stress in his daily life. E. Changing his diet to include more fiber. 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 ulcers? 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?
The principal driving force for guttation is ____
a. passive transport b. sunlight c. root pressure d. upward pressure as sugar is forced into the roots e. pumping by the xylem cells
Each NADH produced in the cytoplasm by
glycolysis yields how many molecules of ATP if it is used in electron transfer phosphorylation in liver, heart, or kidney cells? a. 2 b. 3 c. 4 d. 6 e. either 2 or 3
Which of the following is a disease caused by a pleiotropic gene?
a. sickle-cell anemia b. pernicious anemia c. aplastic anemia d. iron deficiency anemia e. hemolytic anemia