_____________ are unable to make their own food and they live on compounds produced by other organisms
Fill in the blank(s) with the appropriate word(s).
Answer: Heterotrophs
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In the classic fable of "the boy who cried wolf," the villagers who stopped listening to the shepherd boy who kept lying and telling them that a wolf was attacking the sheep were exhibiting the form of learning called ____
Fill in the blank with the appropriate word.
Which of the following is NOT true of prokaryotes?
A. They lack a membrane-bound nucleus. B. DNA is located within the cytosol. C. They have a simpler structure relative to eukaryotes. D. They possess membrane-bound organelles. E. They are relatively small compared with eukaryotes.
Oral rehydration solutions that contain both salt and glucose are highly effective in treating severe dehydration caused by diarrhea and vomiting. However, glucose or salt alone are not effective. This is because water passively follows
A. sodium and glucose, which are cotransported across the gastrointestinal epithelium. B. glucose and sodium, which are transported by facilitated diffusion. C. glucose, which provides the energy for the active transport of salt. D. ATP, which is required to transport sodium unless glucose is available for cotransport. E. glucose that is broken down quickly in the mouth by saliva and cotransported with salt via diffusion across the epithelial cells of the oral cavity.
At rest, a nerve cell has a high concentration of ____ inside and a high concentration of ____ outside
a. acetylcholine; chlorine b. sodium; potassium c. potassium; sodium d. calcium; phosphorus e. phosphorus; calcium