Which of the following bacteria does NOT belong with the others?
A) Halobacterium
B) Halococcus
C) Methanobacterium
D) Staphylococcus
E) Sulfolobus
D
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Which of the following molecules are
molecules of life? I. carbohydrates II. proteins III. nucleic acids IV. carbon
a. I only b. I and II c. I and III d. I, II and III e. I, II, III and IV
A litter produced by a calico cat is not expected to include
A) solid-colored female kittens. B) calico female kittens. C) solid-colored male kittens. D) calico male kittens. E) Any of these
Nearly all developed countries in the world are beginning a demographic transition in the twenty-first century
Indicate whether the statement is true or false
A researcher inserted DNA fragments from an organism into plasmids and introduced the modified plasmids into bacterial cells. Which of the following methods would be an effective means of identifying which clones contain a specific gene of interest?
A) Sequence the DNA of the plasmids from each isolate. B) Use a microarray to detect a transcript of the gene. C) Isolate clones that still have the vector's genetic marker. D) Assay for activity of the gene product. E) Use a northern blot to detect the mRNA of the gene.