Which plants resemble palm trees (but are not close relatives), and contain toxins that increase the risk of neurodegenerative disorders and cancer?
a. tree ferns
b. conifers
c. gnetophytes
d. ginkos
e. cycads
e
Biology & Microbiology
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The Staphylococcus aureus toxins are
A) neurotoxins. B) endotoxins. C) ectotoxins. D) superantigen toxins.
Biology & Microbiology
Explain how similarity in amino acid sequences among species indicates shared ancestry
What will be an ideal response?
Biology & Microbiology
Extra fluid that leaks out of the capillary bed enters the ____
a. surrounding cells b. lymphatic system c. venules d. capillary again e. adjoining arterioles
Biology & Microbiology
A heart attack occurs when cardiac cells receive an inadequate supply of ____
a. glucose b. calcium c. sodium d. oxygen e. potassium
Biology & Microbiology