Which type of bacteria use light energy to build organic molecules from carbon dioxide and water?
a. Photoheterotrophs
b. Photoautotrophs
c. None of these choices
d. Chemoautotrophs
e. Chemoheterotrophs
b
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Mechanoreceptors that react to changes in pressure are part of the _____
A) human sense of taste B) pain receptors in birds C) human sense of smell D) lateral line systems in fish E) eyes in arthropods
Before examining a fungal cell under a microscope, you are told that it is dikaryotic. Given that, you should expect the
cell to have two ____.
a. complete sets of chromosomes b. diploid nuclei c. hyphae d. haploid nuclei e. diploid nuclei and two hyphae
What percentage of oxygen is transported in the plasma?
A) 86% B) 5% C) 75% D) 1.5% E) 98.5%
Sally and George are worried that their preteen children will catch an STD or even develop cancers of the penis or cervix. What precautionary measures can the children take, according to this chapter?
What will be an ideal response?