Which of the following is a Gram-negative bacterium that acts as a predator on other Gram-negative bacteria, and might be used to control populations of Gram-negative human pathogens in locations such as poultry farms?
A. Salmonella enteritidis
B. Vibrio choerae
C. Bdellovibrio
D. E. coli
Answer: C
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The most-likely explanation for this inheritance pattern is that the secretor trait is
A secretor (allele seS) is a person who secretes their blood type antigens into body fluids such as saliva. By comparison, a non-secretor (allele seNS) does not. A person's status as a secretor or non-secretor is independent of blood type. Consider the following inheritance pattern of this trait:
A. incompletely dominant.
B. recessive.
C. dominant.
D. co-dominant.
Clarify Question
· What is the key concept addressed by the question?
· What type of thinking is required?
· What key words does the question contain?
Gather Content
· What do you already know about allele dominance relationships?
Consider Possibilities
· So which dominance relationship best matches the data?
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?
In humans, brown adipose tissue is used for
a. nitrogenous waste processing. b. controlling blood pressure. c. nonshivering thermogenesis. d. digestion of fats. e. cooling the body when exposed.
What characteristic suggested that the diet of early primates changed from eating insects, fruits and leaves to a mixed
diet? a. changes in vision b. changes in teeth and jaws c. Bipedalism d. changes in brain size and development e. behavioral changes
Flagellated sperm and a sporophyte that is dependent on the gametophyte are characteristics of
A. gymnosperm. B. lycophytes. C. moss. D. ferns. E. angiosperm.