Muscles that are overstretched or forced to shorten against a heavy weight are susceptible to:
What will be an ideal response?
Strains
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If a man expresses an X-linked recessive trait, ____
a. all of his brothers will also express it b. his father transmitted the trait to him c. his father carried the trait d. all of his sisters will also express it e. his mother was heterozygous or homozygous for the trait
A kidney dialysis machine
a. may cleanse the patient's blood outside the body. b. may use the patient's abdominal cavity as the site for solute exchange. c. may use hemodialysis. d. may use peritoneal dialysis. e. may do all of these
_________ __________may be used to determine the presence of exposure to a pathogen like tuberculosis.
Fill in the blank(s) with the appropriate word(s).
Recent years have seen an increase in products with antimicrobial properties. The most common human pathogens are microbes-yet some people argue that these products may be counterproductive and actually harm human health. What correct statements would support this position? Choose all that apply.
A. Normal human skin lacks bacteria-their presence indicates an infection. B. Normal human skin has hundreds of bacterial genera, many of which provide beneficial functions. C. The presence of a harmful microbe is unaffected by the presence of other microbes. D. The proportion of specific bacteria types in the gut microbiome has been associated with growth rates in children. E. In humans, only the gut carries a significant, beneficial microbiome population. F. Antimicrobial chemicals may harm beneficial bacteria as well as pathogens.