White eyes in Drosophila is a mutation that turned out to be X-linked recessive. Would you expect
that the white eye was discovered the first time in a male or female? What will be an ideal response?
Male
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The fossilized remains of two different species are found and scientists are interested in determining the evolutionary relationship of the two species. Which of the following could be used to determine the relatedness?
A. vestigial structures B. biogeography C. homologous structures D. All of the choices could be examined to determine relatedness.
In the Hardy-Weinberg formula, what does 2pq represent?
A) frequency of the dominant allele B) frequency of heterozygotes C) frequency of the recessive allele D) frequency of the homozygous dominants
When muscles are exercised extensively in the absence of sufficient oxygen
a. a large amount of ATP is formed b. NADH molecules split c. lactic acid is produced d. oxidative respiration ceases
Experimental evidence supporting the chemiosmotic hypothesis was gathered by using artificial vesicles containing a protein that can pump protons in one direction across the vesicle membrane to create a proton gradient
Which protein was used to generate the gradient in a highly controlled manner? (a) cytochrome c oxidase (b) NADH dehydrogenase (c) cytochrome c (d) bacteriorhodopsin