In a population in Hardy-Weinberg equilibrium, frequency of a dominant allele is
A) p.
B) p2.
C) 2pq.
D) q.
A) p.
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Gene expression profiles differ from classic gene maps in that
A) gene expression profiles depict the relative locations of genes on chromosomes, and classic gene maps show the increase and decrease of transcription with time or in different tissues. B) gene expression profiles depict the increase and decrease of transcription with time or in different tissues, and classic gene maps show the relative locations of genes on chromosomes. C) gene expression profiles measure DNA, and classic gene maps size-order the chromosomes. D) gene expression profiles sequence genomes, whereas classic gene maps do not actually sequence the DNA.
Which of the following foods contains the
greatest amounts of complex carbohydrates?
a. bananas b. rice c. broccoli d. apples e. beans
400 micrograms a day of folic acid are recommended for all women of child-bearing age. Folic acid helps prevent neural tube defects in the first weeks of pregnancy, before most women even realize they are pregnant (and almost half of pregnancies in the U.S. are unintended). Knowing that folic acid promotes proper neural tube closure, which disease can be prevented by this supplement?
A. Spina bifida -- the vertebrae are unfused and may allow the spinal cord to protrude outside the body B. Horseshoe kidney -- the two kidneys are fused together across the midline C. Esophageal atresia -- the esophagous ends in a pouch, unconnected to the stomach D. Chronic otitis media -- frequent ear infections that can result from blocked eustachian tubes 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 the neural tube? What other information is related to the question? Choose Answer Given what you now know, what information 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?
Compare and contrast cyclic and noncyclic photophosphorylation
What will be an ideal response?