Organisms that are resident microbiota are best described as
A) microorganisms that remain with the person throughout life.
B) any microorganisms that cause disease.
C) organisms that are present in or on the body for a short time without causing harm.
D) microorganisms that may cause a disease under certain circumstances.
E) microorganisms that never cause disease.
A
Bloom's Taxonomy: Knowledge
Section: Symbiotic Relationships Between Microbes and Their Hosts
Learning Outcome: 14.3
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The following events occur during the initiation of a skeletal muscle contraction. Put the following events in order of occurrence starting with the first event
a. signal travels along motor neuron b. calcium is released c. action potential moves down T tubules d. action potential arrives at neuromuscular junction e. action potential travels along muscle fiber membrane f. acetylcholine is released g. myosin binds actin h. binding of acetylcholine triggers an action potential in a muscle fiber i. action potential arrives at sarcoplasmic reticulum
Which of the following is a bacterial infection that can cause the uterine tubes to be blocked by scar tissue?
A) Chlamydia B) Genital herpes C) HIV D) Trichomoniasis E) HPV
Four features help define the __________: a notochord, a dorsal hollow nerve cord, a pharynx with gill slits, and a tail extending past the anus.
Fill in the blank(s) with the appropriate word(s).
Which category of biochemical tests is incorrectly matched with its description?
A) Amino acid catabolism tests: Detect specific enzymes involved in catabolism of amino acids B) Oxidase and catalase tests: Identifies the presence of enzymes related to anaerobic respiratory chains C) Fermentation tests: Detects various fermentation end-products or specific pathways D) Rapid identification techniques: Provides a semi-automated process of running multiple types of tests with a single inoculation E) Exoenzyme tests: Detect enzymes involved in extra-cellular breakdown of macromolecules