A tube that is 50% darkened in the Bile esculin test most likely contains which of the following streptococcal species?

A) S. agalactiae
B) S. pneumoniae
C) S. equisimilis
D) E. faecalis



D) E. faecalis

Biology & Microbiology

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Over the winter your hibiscus plants were killed by cold winter temperatures. You are so annoyed that you ignore the garden; much to your surprise sunflowers sprout on their own

That second summer you see lots of goldfinches (small yellow birds) visit the garden to eat the sunflower seeds. Given that all abiotic conditions remained the same over the two years, why do you see hummingbirds the first year and goldfinches the second year? A. Communities depend on interactions among organisms. B. Communities depend on the physical environment. C. Disturbance can modify community composition. D. All of the responses are correct. E. More than one of the responses are correct.

Biology & Microbiology

One or more neural effect(s) of MDMA include(s)

a. temporary psychosis. b. panic attacks. c. depletion of natural serotonin reserves. d. memory loss. e. all of these.

Biology & Microbiology

Which of the following conditions would be the LEAST likely to result in peritonitis?

A) Stomach rupture B) Splenic laceration C) Acute appendicitis D) Bowel perforation

Biology & Microbiology

Is it important to save the wild relatives of our current crop plants, even at great cost?

A. No B. Yes

Biology & Microbiology