Provide two examples of how the Bunsen burner is used during inoculation of a tube culture.
What will be an ideal response?
1) sterilizes inoculating loop
2) sterilizes mouth of tube
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You are attempting to identify the type of helminth that has been isolated from a patient stool sample. The most important consideration to make this distinction is to
A. look at the gross anatomy to determine if the body is segmented or not. B. ask the patient about recent food and water consumption. C. determine if the cells are eukaryotic or bacterial by looking for nuclei. D. examine the sample to see if microscopic eggs are present.
Crossing over ____
a. generally results in binary fission b. involves nucleoli c. involves breakages and exchanges being made between sister chromatids d. results in new combinations of alleles being channeled into the daughter cells e. is the same as disjunction
In eukaryotes, the initiator tRNA carries the amino acid leucine
__________________ Indicate whether the statement is true or false.
A proteome is:
A) all of the mRNA in a cell B) an inventory of all the proteins in a tissue, cell, or cellular organelle C) another name for a genome D) the cell's rDNA