The dinoflagellate Pfisteria is an important protist. Which of the following statements DOES NOT describe its attributes?
A. It causes nervous disorders in humans.
B. It uses toxins to attack fish which it then consumes.
C. It lies dormant on the bottom until stimulated by chemicals from fish.
D. It is a major cause of food poisoning in humans.
E. Its toxins damage fish skin thereby increasing exposure to the pathogen.
D. It is a major cause of food poisoning in humans.
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What will be an ideal response?
Postmenopausal women are often advised to take the mineral ________ as a supplement to their diet in order to prevent bone loss due to osteoporosis
Fill in the blank(s) with correct word
Which is most closely associated with negative feedback?
A. As you continue to turn a faucet handle, more water flows out of it. B. As the temperature falls in a house, the heater comes on. C. A child cuts his finger and the blood clotting process begins. D. As a woman goes into labor, hormones are secreted that stimulate the process.
You work for a company that manufactures food products. A new "wonder food" is being distributed by a rival company. The researchers in your company determine that the "wonder food" contains only carbon, oxygen, and hydrogen. At this point, your
researchers can say with certainty that the food A) includes proteins. B) could only be made of triglycerides. C) could only be made of carbohydrates. D) does not include proteins or nucleic acids.