You discover a dog suffering from an autoimmune response. On further investigation, you find that the cells of various tissues are loosely arranged and do not have characteristic shapes,
and the animal is prone to hemorrhaging because of poor blood clotting. Based on these results, the target of the autoimmune response is most likely to be
A) fibronectins.
B) laminins.
C) extensins.
D) pectins.
E) elastins.
Answer: A
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Transcription and translation may occur simultaneously in prokaryotic cells
Indicate whether the statement is true or false
The chemicals that attract neutrophils to a site of infection are the _______________. Fill in the blank(s) with the appropriate word(s)
Which was the first bacterium shown to cause human disease?
A) Streptococcus B) diptheria C) anthrax D) mycobacterium
Which of the following hormones may take part in one or more of these functions: daily rhythms, long periods of sleep, and depression?
A) thymosin B) melatonin C) oxytocin D) growth