A clinical sample from a mucus membrane is usually collected as a (biopsy/needle/swab) specimen
What will be an ideal response?
swab
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Name two examples of lateral gene transfer to eukaryotes that involve cellular organelles
A) Transfer of bacterial genes that were predecessors to mitochondria and chloroplasts. B) Transfer of the bacterial mitochondrial apparatus to form nuclei and ribosomes. C) Transfer of bacterial chloroplasts to form nuclei and ribosomes. D) Transfer of bacterial genes to form nuclei and the mitotic spindle apparatus. E) Transfer of the bacterial spindle apparatus to form ribosomes and transfer RNAs.
The type of viral infection in which a virus enters a host cell, immediately replicates, and causes the host cell to burst is
a rare form of viral infection. a transgenic infection. a lysogenic infection. a lytic infection. a systematic infection
What is meant by the description "antiparallel" regarding the strands that make up DNA?
A) The twisting nature of DNA creates nonparallel strands. B) The 5' to 3' direction of one strand runs counter to the to direction of the other strand. C) Base pairings create unequal spacing between the two DNA strands. D) One strand contains only purines and the other contains only pyrimidines.
Experiments conducted by (Needham/Redi/Spallanzani) provided support for the theory of spontaneous generation.
Fill in the blank(s) with the appropriate word(s).