A bacterial pathogen has just entered the body of a person. Describe the sequence of events that lead to the production
of enzymes that will hydrolytically destroy the bacterial cell, beginning with events in the nucleus and ending with
destruction of the pathogen. What will be an ideal response?
Sequence of events: DNA transcription into RNA; translation of the RNA on ribosomes into
a hydrolytic enzyme; post-transcriptional modification of the resultant protein enzyme in the
ER lumen and the Golgi; packaging of the enzyme in a primary lysosome; fusion of the
lysosome with a phagocytized vacuole containing the engulfed bacterium.
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What will be an ideal response?
For taxonomic classification systems to be internationally shared, a scientific name must be created using the which of the following systems?
a. phylogeny b. systematic c. taxonomy d. binomial nomenclature
Which represents the charged environment inside a resting neuron and the interstitial fluid that surrounds it?
a. negatively charged proteins inside; more sodium ions inside than outside; more potassium ions outside than inside b. positively charged proteins inside; more sodium ions inside than outside; more potassium ions outside than inside c. negatively charged proteins inside; more sodium ions outside than inside; more potassium ions inside than outside d. positively charged proteins inside; more sodium ions outside than inside; more potassium ions inside than outside e. negatively charged proteins inside; equal amounts of sodium and potassium ions inside and outside
If its cells are striated and abut at the ends so that the cells contract as a unit, the tissue is
a. smooth muscle. b. dense fibrous connective. c. supportive connective. d. cardiac muscle. e. hyaline cartilage.