Four of the following are shared characteristics of parabasalids and diplomonads. Which is the exception?
a. heterotrophy
b. flagella
c. oxygen-poor or anaerobic habitats
d. abundant mitochondria
e. presence of a pellicle
ANSWER: d
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Why do we have storage macromolecules, such as fats, in our bodies?
A. Macromolecules, such as fats, are a convenient way to store kinetic energy. B. We can break down these macromolecules to provide energy for the endergonic reactions in our bodies. C. Breaking down macromolecules, such as fats, is an endergonic process. D. Human cells can directly capture the energy of sunlight through photosynthesis and store it as macromolecules such as fats.
Dominance hierarchies:
a. are limited to primate societies. b. are only characteristic of males defending territories. c. in chimpanzees, cannot be passed from one generation to the next. d. in chimpanzees, are independent of nutrition and maternal care. e. in female chimpanzees, impact the survival and development of their offspring.
Cat scratch disease is caused by Bartonella (bacilliformis/henselae/quintana).
Fill in the blank(s) with the appropriate word(s).
In the pulmonary circuit, veins carry oxygen-________ blood, and in the systemic circuit, veins carry oxygen-________ blood.
A. poor; rich B. rich; rich C. poor; poor D. rich; poor