What sensory organ is used to detect electrical currents in the water?
a. Lateral line
b. Ampullae of Lorenzini
c. Neuromasts
d. Maculae
b
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___________, or water bears, have a reduced coelom and an external body covering. Fill in the blank(s) with the appropriate word(s)
Which of the following maintains the corpus luteum and stimulates it to continue to produce the hormone progesterone?
A) human chorionic gonadotropin B) progesterone C) estrogen D) testosterone
In addition to their characteristic cilia, most ciliates contain two types of
A. cysts. B. wood-digesting enzymes. C. flagella. D. chloroplasts. E. nuclei.
A heterozygote could have a variety of phenotypes depending on whether or not the mutation is recessive, dominant, or haploinsufficient. In this example, the gene A is necessary to form a tail in mice. If the mouse is a heterozygote (A/a), then what
would you predict the phenotype to be if the mutation was recessive, dominant, or haploinsufficient. What will be an ideal response?