What is the most common bacterial cause ofconjunctivitis?
a) Neisseria gonorrhoeae
b) Chlamydia trachomatis
c) Haemophilus influenzae
d) Streptococcus pyogenes
Ans: c) Haemophilus influenzae
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In the 1700s, ____ classified organisms by their morphological similarities and differences, and in the 1800s, ____
provided the scientific rationale for the heritable basis of these morphological variations.
a. Mendel; Linnaeus b. Darwin; Linnaeus c. Linnaeus; Darwin d. Linnaeus; Mendel e. Mendel; Darwin
At a research conference, you meet a graduate student who studies the hormonal underpinnings of mating behavior in two species of squirrel. "It turns out the difference between my two squirrel species is similar to the difference between the prairie and the montane voles," he says. You nod knowingly, and reply...
A. "Oh, so the promiscuous species has a lot of vasopressin and oxytocin receptors in the nucleus accumbus, blocking pair bonding, and the monogamous species doesn't?" B. "Oh, so the monogamous species has a lot of vasopressin and oxytocin receptors in the nucleus accumbus, promoting pair bonding, and the promiscuous species doesn't?" C. "Oh, so the polyandrous species has a lot of serotonin and dopamine receptors in the nucleus accumbus, promoting pair bonding, and the promiscuous species doesn't?" D. "Oh, so the monogamous species has a lot of serotonin and dopamine receptors in the nucleus accumbus, promoting pair bonding, and the promiscuous species doesn't?" Clarify question: What is the key concept addressed by the question? What type of thinking is required? Gather Content: What do you already know about the hormones involved in mating in the species of voles? What other information is related to the question? Choose Answer: Given what you now know, what information is most likely to produce the correct answer? Reflection on Process: Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Where on Earth would primary productivity be the lowest?
a. rain forest b. Antarctic c. tundra d. oceans e. deciduous forests
You are presented with an organism that has not been identified previously. Which feature would identify it as a fungus?
A. nonparasitic B. flagella C. cell wall D. absorptive nutrition E. mycelia