The two true pathogenic enteric genera of the Enterobacteriaceae are _____ and _____.
What will be an ideal response?
Salmonella; Shigella.
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Fructose and galactose both have six carbon atoms, twelve hydrogen atoms and six oxygen atoms, just like glucose. A friend of yours says: "Since those sugars have the same number of atoms, they should have the same name." You Answer: "While they do have the same number and type of atoms,
A. they are all polysaccharides and have slightly different functions within organisms and therefore have different names." B. they are named differently because of their quaternary structures, which is very important in carbohydrates, especially glucose." C. they are named differently because when heated above their optimal temperature they become denatured and will not react with their substrates." D. they are named differently because they are involved in different DNA nucleotide formation." E. they are named differently because they are alternate forms of the monosaccharide, glucose."
Which groups of commercially grown plants are produced by tissue culture propagation?
a. Pine trees b. Orchid c. Grape vines d. Grasses e. Rose bushes
When determining whether a relative is a proper match for organ or tissue donation, three sets of HLA alleles -
inherited together - must match those from the intended recipient. These allele sets are known as _____. a. open reading frames b. splice sites c. copy number variants d. haplotypes e. disease-associated mutations
In a mating between two individuals that are heterozygous for a recessive lethal allele that is expressed in utero, what genotypic ratio (homozygous dominant: heterozygous: homozygous recessive) would you expect to observe in the offspring?
a. 1:2:1 b. 3:1:1 c. 1:2:0 d. 0:2:1