The likelihood that a pathogen will make its host seriously ill is

a. pathogenicity.
b. opulence.
c. virulence.
d. invasiveness.
e. competence.


C

Biology & Microbiology

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Hiking a trail, you observe large, white flowers that produce a strong aroma and have large anthers. The pollinators likely to pollinate these flowers are

A. bats and moths. B. flies. C. birds. D. beetles. E. bees.

Biology & Microbiology

A patient presents with severe colitis associated with an overgrowth of Clostridium difficile in the lower bowel. The most likely cause of this condition is

A. botulinum food poisoning B. a stomach ulcer C. a compromised immune system D. antibiotic therapy E. mechanical blockage of the large intestine

Biology & Microbiology

These are short repeated sequences of DNA that vary from one chromosome to the next ____

Fill in the blank with the appropriate word.

Biology & Microbiology

Response  

  Match the letter of each example from childbirth to the appropriate component of a positive feedback loop. A. pituitary gland secretes oxytocin, which acts on the uterus B. uterine contractions increase C. fetus is pushed against uterine opening D. receptors detect stretch E. brain receives and compares stretch information 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 positive feedback? 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? Reflect 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?

Biology & Microbiology