Members of the genus ________ may cause epiglottitis and middle ear infections.
A. Pasteurella
B. Haemophilus
C. Salmonella
D. Enterobacter
E. Yersina
Answer: B
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Describe some of the environmental risk factors associated with ASDs
What will be an ideal response?
An allele known as BRCA1 is often found in women with breast and ovarian cancer. However, some women develop these cancers and do not have the BRCA1 allele. In addition, some women who have BRCA1 never develop breast or ovarian cancer
How can this be explained? A) It is just chance whether cancer will develop. B) These types of cancers are in no way associated with specific alleles. C) Something other than the gene must factor into whether cancer develops. D) The BRCA1 allele must be dominant.
There are ____ separate Hadley cells in which warm air rises and cools, then falls and heats up again in great rolling patterns.
a. six b. four c. two d. eight e. ten
Members of which of the following phyla would have a radula and a mantle?
a) Annelida b) Nematoda c) Mollusca d) Porifera e) Cnetophora