The relationship between energy and wavelength is ________

a. invariable, all photons have the same energy regardless of their wavelength
b. inversely proportional, short wavelengths carry high-energy photons
c. directly proportional, long wavelengths carry high-energy photons
d. unpredictable and dependent on the initial speed of the photons


b

Biology & Microbiology

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A fur color gene in rabbits has a white dominant (W) and brown recessive allele (w).  The environment changes suddenly and none of the white rabbits survive.  In a population of 10,000 rabbits the initial frequency of W in the pool was 0.7.  How many generations would be required to eliminate all W alleles from the population? Assume that there is no mutation and the population meets all other Hardy-Weinberg conditions.  

A.  1 B.  2 C.  5 D.  20 E.  can never be eliminated

Biology & Microbiology

Reverse transcriptase creates a single-stranded DNA molecule that is complementary to an mRNA template

a. True b. False

Biology & Microbiology

The energy source of photosynthesis is

A. oxygen. B. sunlight. C. carbon dioxide D. chlorophyll. E. glucose

Biology & Microbiology

An ________ may arise when three sperm cells are involved in fertilization of a single egg

A) aneuploidy B) allotetraploid C) allotriploid D) autotetraploid E) autotriploid

Biology & Microbiology