A chemical compound, regardless of its source (either natural or synthetic), that is capable of killing or inhibiting microorganisms is referred to as:

an antimicrobial
an antibiotic
a chemosynthetic agent
semisynthetic


an antimicrobial

Biology & Microbiology

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There are more species in tropical areas than in places more distant from the equator. This is probably a result of _____

A) fewer predators B) more intense annual solar radiation C) more frequent ecological disturbances D) fewer agents of disease

Biology & Microbiology

The table shows the distribution of traits (A-E) in six extant species (1-6). A "0" indicates the ancestral condition, while "1" indicates the derived condition. Based on this data, which species would be considered the outgroup?  



A.  1
B.  2
C.  3
D.  4
E.  5


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 cladistics?

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

Which of the following microbial genera is used in the production of fermented dairy products?

A. Leuconostoc B. Streptococcus C. Lactobacillus D. All of the choices are correct.

Biology & Microbiology

Recombinant chromatids have a mix of paternal and maternal alleles due to

A. random fertilization of the gametes. B. crossing-over between the linked genes. C. persistent linkage of genes on the chromatid. D. independent assortment. E. point mutations and gene aberrations from replication.

Biology & Microbiology