Cell-free fetal DNA originates from the breakdown of fetal cells in the __________. Fill in the blank(s) with the appropriate word(s)
ANS: amniotic fluid
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The minus (-) ends of microtubules are often anchored at the ________________ , such that the dynamics associated with microtubules is at the plus (+) ends.
A) centriole B) centrosome C) plasma membrane D) centromere E) mitochondrial outer membrane
Algae and cyanobacteria are examples of primary producers
____________________ Indicate whether the statement is true or false.
Which component of the PCR mix do researchers manipulate to induce a site-specific mutation?
A. Reverse transcriptase B. Primers C. DNA template D. Taq polymerase
Fimbriae, which is a virulence factor causes which of the following consequences?
A. Phagocytic escape B. Activation of cytokine production C. Attachment to host cell D. Invasion of host tissues E. Activation of adenylate cyclase