Unlike most bony fishes, sharks maintain body fluids that are isoosmotic to seawater, so they are considered by many to be osmoconformers. Nonetheless, these sharks osmoregulate at least partially by _____
A) using their gills and kidneys to rid themselves of sea salts
B) monitoring dehydration at the cellular level with special gated aquaporins
C) tolerating high urea concentrations that are balanced with internal salt concentrations to seawater osmolarity
D) synthesizing trimethylamine oxide, a chemical that binds and precipitates salts inside cells
C
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A human autosomal recessive trait appears in 1 in 100 births. What percent of people are homozygous dominant for this trait?
A. 0.01 B. 0.10 C. 0.18 D. 0.81 E. 0.90 Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about the Hardy-Weinberg principle? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach 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?
What is not a form of reproduction for marine fungi?
a. Budding b. Binary fission c. Production of a fruiting body d. Dispersion of conidiospores
this image shows a section of the testis and scrotal contents. what does 2 represent?
What will be an ideal response?
All the following pertain to measles (rubeola), except
A. symptoms include dry cough, sore throat, fever, and conjunctivitis. B. it is transmitted by direct contact with the rash. C. secondary bacterial otitis media and sinusitis occur. D. humans are the only reservoir for the pathogen. E. it may involve a fatal complication called subacute sclerosing panencephalitis (SSPE).