Which of the following was not one of Mendel's main inferences from his research?
A) The genetic material elements come in pairs.
B) Genes are lengths of DNA.
C) The basic units of genetics are material elements.
D) The genetic material elements separate during the formation of gametes.
E) The genetic material elements can retain their character through many generations.
Answer: B
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Which of the following is not made from long chains of glucose?
A. Glycogen B. Sucrose C. Starch D. Cellulose
In individuals with normal blood sugar levels, glucose is reabsorbed into the bloodstream in the kidney by members of the GLUT transporter family, which form an aqueous pore across the membrane through which glucose can move passively. As a result, no glucose is excreted in urine. However, in people with untreated diabetes mellitus, blood sugar levels are high and glucose is often present in the urine. What can explain this occurrence?
A. High blood glucose levels reverse the concentration gradient, allowing untransported glucose to be excreted in urine. B. High blood glucose levels interfere with the coupled transport of water and glucose, allowing untransported glucose to be excreted in urine. C. The GLUT transporters become saturated, allowing untransported glucose to be excreted in urine. D. The GLUT transporters cannot hydrolyze ATP quickly enough for ATP to transport the extra glucose, thereby allowing untransported glucose to be excreted in urine. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about glucose movement through the GLUT transporter? What other information is related to the question? 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 function of the torus in the walls of tracheids is:
A. allowing the passage of water B. stopping backflow of water C. secretion of resin D. sealing off air bubbles E. allowing the escape of air
Infection with ________ may result in peptic ulcers and stomach cancer
A) Campylobacter jejuni B) Helicobacter pylori C) Borrelia recurrentis D) Vibrio parahaemolyticus E) Rickettsia rickettsii