In mammals, lungs inflate when muscles increase the size of the ______ cavity.
Fill in the blank(s) with the appropriate word(s).
thoracic
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Which of the following is not true of the formation of a bacterial translation initiation complex?
A. The 30S ribosome associates with the mRNA before the 50S ribosome. B. N-formylmethionyl-tRNAfMet binds in the P site. C. IF-3 binding to GTP is required for the charged tRNA to associate with the first mRNA codon. D. IF-1, IF-2, and IF-3 dissociate upon the 50S subunit binding.
In a typical application, a DNA microarray is used to compare the ____________________
a. expression of genes in two different tissues b. alleles of each chromosome c. length of DNA fragments in yeast vectors d. changes in gene sequences within an allele through generations of a single family e. protein products produced when using different DNA sequencing techniques
Hershey and Chase performed an experiment in which they used radioactive isotopes of phosphorus and sulfur to label different components of bacterial viruses. Their results clearly showed that
a. DNA was entering into the infected bacteria. b. the viruses did not contain protein. c. the viruses did not contain DNA. d. protein was entering into the infected bacteria. e. genetic material normally contains radioactive isotopes.
Global air circulation patterns affect climate and the
distribution of __________. Fill in the blank(s) with the appropriate word(s).