Which choice is the most likely reason(s) for your answers in the two previous questions?
a. bacteria were clumped near algal filament areas exposed to yellow and orangelight
b. high oxygen production is likely the result of high rates of photosynthesisassociated with yellow and orange wavelengths
c. bacteria were clumped near algal filament areas exposed to red and blue light
d. high oxygen production is likely the result of high rates of photosynthesisassociated with red and blue wavelengths
e. both c and d are correct
e
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Gametes produced by inversion heterozygotes can produce no viable recombinant chromosomes due to what phenomenon?
What will be an ideal response?
A blocked coronary sinus would block blood flow:a
into the superior vena cava. b. into the inferior vena cava. c. into the pulmonary arteries. d. returning from the pulmonary arteries. e. returning from the coronary circulation.
Echinoderms in their larval state have _____.
a) triangular symmetry b) radial symmetry c) hexagonal symmetry d) bilateral symmetry
A 23-year-old student develops abdominal cramps, nausea, and vomiting approximately 4 hours after eating leftover (almost forgotten) Chinese food. Which of the following is the most likely cause for this ailment?
A. Bacillus cereus B. Clostridium difficile C. Escherichia coli D. Salmonella typhi