The bird with the largest wings, also a marine bird, is called the:
a. frigate bird.
b. pelican.
c. albatross.
d. gull.
e. cormorant.
C
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Routine microbiology cultures should include all of the following media except:
a. nonselective nutritive media. b. highly selective specialized media such as Löwenstein-Jensen agar. c. selective and differential media based on site of infection. d. an enrichment or supplemental broth.
A deviation like having an extra toe is considered a ____
a. genetic abnormality b. genetic disorder c. syndrome d. pedigree e. carrier
What is the appropriate age range for carbon dating? a. Fossils older than 60,000 years old. b. Fossils older than 4.5 billion years old. c. Fossils between 60,000 years old and 4.5 billion years old. d. Fossils less than 60,000 years old. e. Fossils less than 4.5 billion years old.
What will be an ideal response?
The FtsZ gene in bacteria encodes an ancestral tubulin that is important in binary fission (the mechanism of cell division in prokaryotes). To study the FtsZ gene in eukaryotes, researchers made an FtsZ knockout in the moss What is true about this knockout plant?
A. The knockout plant is heterozygous for an abnormal FtsZ gene. B. The knockout plant does not produce any normal FtsZ protein. C. The knockout plant contains a copy of the bacterial FtsZ gene. D. The knockout plant makes bacterial FtsZ protein. E. The knockout plant makes half the normal amount of FtsZ protein.