Which of the following statements about animal cell lipids is false?
A) Fats are a form of lipid that function to store energy.
B) Phospholipids are important components of cell membranes.
C) Many lipids function as enzymes.
D) Cholesterol is a type of lipid that is a component of cell membranes and steroid hormones.
Answer: C
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Imagine that you are studying a new species. As you examine the circulatory system, you note that the diameter of the vessels grows smaller and smaller as you move farther from the heart, but the blood is always contained within vessels. If you want to place this new species into a group whose membership is solely based on whether the animals included share this described type of circulatory system, which animals would be included in this group? Check all that apply.
_____ all mollusks _____ frogs _____ fish _____ housefly
The breakdown of glucose to carbon dioxide and water is an
A. exergonic reaction in photosynthesis. B. endergonic or exergonic reaction, depending on the step. C. endergonic reaction in photosynthesis. D. exergonic reaction in cellular respiration. E. ndergonic reaction in cellular respiration.
All organisms in the Kingdom ________ can perform photosynthesis.
A. Fungi B. Bacteria C. Protista D. Animalia E. Plantae
Why are subcutaneous mycoses uncommon?
A) The human body is not a suitable habitat. B) T cells are highly effective against fungus cells. C) Injury is necessary to introduce the fungus into the tissue. D) Only immunocompromised persons are susceptible to subcutaneous mycoses. E) Saprobes do not grow well at body temperature.