Which proteins move the farthest during SDS-polyacrlamide gel electrophroesis?
a) the most negative
b) the largest
c) the smallest
d) the most positive
e) both the largest and the most negative
Ans: c) the smallest
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Synthesis of a protein destined to function in the nucleus occurs:
A. in the cytosol. B. on the rough endoplasmic reticulum. C. on the outer leaf of the nuclear envelope. D. in the Golgi apparatus.
Crop sunflowers are attacked by many fungal pathogens, such as downy mildew and Sclerotinia, resulting in economic losses of millions of dollars per year. What genes would be best to target for the development of new fungus-killing crop treatments (fungicides)?
A. Genes encoding chitin proteins that are shared by downy mildew and Sclerotinia, but absent in sunflower and humans. B. Genes encoding growth proteins that are shared by downy mildew, Sclerotinia, and sunflower, but absent in humans. C. Genes encoding metabolite proteins that are shared by downy mildew, Sclerotinia, and humans, but absent in sunflower. D. Genes encoding basic development proteins that are shared by downy mildew, Sclerotinia, sunflower, and humans. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about drug development? Consider Possibilities · 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?
Explain the structure and function of the cell nucleus. Include the terms nuclear envelope, nucleoli, chromatin,
chromosomes, autosomes, and sex chromosomes. What will be an ideal response?
You are a doctor who specializes in genetic diseases. A married couple comes to see you for genetic counseling. The woman has PKU, the symptoms of which she manages by diet
The man and woman are first cousins and would like to know the probability that any of their children will have the disease. What would you tell them?