Four of the five animals listed below can harbor E. coli 0157:H7 without becoming ill. Select the exception

a. goats
b. cattle
c. deer
d. sheep
e. humans


e

Biology & Microbiology

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Based on the phylogeny shown, we can conclude that species 2 is most closely related to species  



A.  1.
B.  3.
C.  4.
D.  5.
E.  1 or 3 (can't tell).

Clarify Question
· What is the key concept addressed by the question?
· What type of thinking is required?
· What key words does the question contain and what do they mean?
 
Gather Content
· What do you already know about phylogenetic trees?
 
Consider Possibilities
· What other information is related to the question? Which information is most useful?

Choose Answer · Given what you now know, what information and/or problem solving approach 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

A typical enzyme found in the human body should have which optimum temperature?

a) 23 degrees C b) 37 degrees C c) 0 degrees C d) 100 degrees C

Biology & Microbiology

Which of the following clusters of terms apply when addressing enhancers or silencers as elements associated with eukaryotic genetic regulation?

A) cis-acting, fixed position, fixed orientation B) trans- and cis-acting, variable position C) trans-acting, fixed position, fixed orientation D) cis-acting, variable position, fixed orientation E) cis-acting, variable orientation, variable position

Biology & Microbiology

True or False: Because of their autofluorescence, chlorophyll-containing cells do NOT require staining in order to be sorted with flow cytometry

a. TRUE b. FALSE

Biology & Microbiology