Platelets are actually fragments of larger cells that are crucial to the formation of clots. clumping (called aggregation) of platelets is the body's most rapid response to stop bleeding from an injured site. however, in some situations the clumping of platelets is not desirable, such as when a plaque in a coronary artery ruptures. in this situation, the rapid clumping of platelets can cause a clot that then completely blocks the coronary artery and results in a heart attack (myocardial infarction). one of the most effective and widely available drugs to prevent the aggregation of platelets is:

In 1996 california legalized the medical use of marijuana, even though it was still illegal under federal law. californians angel raich and diane monson used medical marijuana that they grew on their own property. when federal agents destroyed their plants, monson and raich sued, claiming, among other things, that the commerce clause did not permit the federal government to regulate activities that took place in their back yards and homes. the federal government argued that since consuming locally-grown marijuana for medical purposes affects the interstate market for marijuana, the federal government may regulate—and prohibit—such consumption. whose argument should prevail?

Which of the following viruses would most likely have reverse transcriptase? a) an rna-based lytic virusb) an rna-based lysogenic virusc) a dna-based lytic virusd) a dna-based lysogenic virus

Ladonna is overweight and loves fast food. which is the best diet for ladonna to adopt? a. a diet high in protein and low in fat and sugar b. a diet high in calcium and low in fiber c. a diet high in fiber and low in fat and sugar reset next