Describe at least two reasons why the time it takes your breath to produce a color change in BTB after running 1 minute might be different from the time recorded for another person?
What will be an ideal response?
This would be a result of the individual’s ability to efficiently undergo cellular respiration. For example, if someone is a smoker they will breath in less oxygen than a nonsmoker, less oxygen = less aerobic respiration.
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Deoxygenated blood is initially collected by the:
a. dorsal aorta. b. sinus venosus. c. atrium. d. bulbus arteriosus. e. vena cava.
A clinical microbiologist makes serial dilutions of several antimicrobials in broth, and then incubates each drug dilution series with a standard amount of a patient's isolated pathogen. What is this microbiologist setting up?
A. A Kirby-Bauer technique B. A antibiogram C. An E-test D. A therapeutic index (TI) E. A minimum inhibitory concentration (MIC) test
Acyclovir is an antiviral chemical that resembles a nucleotide but lacks a 3' OH group and cannot form phosphodiester bonds. Why is Acyclovir useful in treating some viral infections?
A. Acyclovir halts viral DNA replication. B. Acyclovir blocks the assembly of viral cell capsules. C. Acyclovir stops viral protein synthesis. D. Acyclovir hydrolyzes viral polysaccharides.
According to recent genetic research, the complexity of an organism
A) is directly correlated with the number of protein-coding genes in its genome. B) is inversely related to the number of protein-coding genes in its genome. C) has more to do with how genes are used or regulated than with which genes are present.