Platelet plug formation occurs at which point?
when large megakaryocytes break up into thousands of smaller fragments
when platelets are dispersed through the blood stream
when platelets are attracted to a site of blood vessel damage
none of the above

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)

Ayoung boy has been found and police are trying to locate his family they take a dna sample from him and begin collec dna samples from families who have missing children if police use dna samples only from the fathers, which type of dn technology can they use to identify the boy's parent? y-chromosome analysis omtdna (mitochondrial dna) analysis vntrs (variable tandem repeats) o pcr (polymerase chain reaction) analysis

Need the diagram below, which is not drawn to scale, shows the position of the earth, moon, and sun. what type of eclipse occurs when the earth, moon, and sun are lined up in the order shown? a. planetary eclipse b. solar eclipse c. martian eclipse d. lunar eclipse