In general, communities that characterize a biome are
arrays of species that are adapted to
a. specific temperatures.
b. patterns of rainfall.
c. soil type.
d. each other.
e. all of these.
Answer: e
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Suppose that you performed a version of the Hershey and Chase experiment, this time using 32Plabeled
viruses that insert their double stranded DNA into the DNA of the cells that they infect. The viral DNA is then treated as part of the cell's own DNA and is replicated during DNA replication and passed on to daughter cells when the cell divides. You infect a population of cells with the 32P-labeled viruses, then let the infected cells go through two generations of cell divisions. If you then examine the cells, you should find 32P-labeled DNA in
a. none of them. b. about of them. c. about of them. d. about of them. e. all of them.
When amino acids are broken down for energy, ammonia is created, which is converted into _____ and excreted in urine.
a. ammonium b. uranium c. urea d. phosphatase
Making a protein from mRNA is known as ____
a. translation b. transcription c. polymerase d. replication e. promoter
Comparing the entire DNA content of different organisms is called
A. genetics. B. proteomics. C. bioinformatics. D. genomics.