How can replication be increased in the Artemia bioassay to improve reliability of results?
What will be an ideal response?
Increase the number of brine shrimp used in the experiment, or increase the total number of cells that are counted.
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Cataracts occur when the lens becomes opaque. Which symptoms most likely would be present in a patient with this
condition?
a. increased intraocular pressure b. enlarged pupil c. eye pain d. blurred vision e. headache
Overall, the membrane-associated electron transport system pumps ________ protons across the membrane for every molecule of NADH that is oxidized.
A) 2 B) 5 C) 6 D) 10
Which of these relationships is not based on survival?
Cyanobacteria, or blue-green algae, are considered the most ancient organisms capable of photosynthesis. Given what you know about cyanobacteria, which of the following is the more similar species?
A. Halobacterium salinarum; A unicellular obligate aerobe that often inhabits hypersaline lakes. This species produces gas vesicles in order to maximize its access to oxygen at the lake's surface. B. Rickettsia rickettsii; A unicellular intracellular pathogen that infects warm-blooded animals, including humans, causing Rocky Mountain spotted fever. C. Nitrosolobus multiformis; A unicellular rod-shaped nitrifying bacterium that inhabits subsurface soils at depths associated with plant roots. D. Nostoc verrucosum; A filamentous species often found in shallow streams and creeks that is capable of fixing atmospheric nitrogen using specialized cells known as heterocytes.