The primers in PCR are A. fragments of mRNA
B. designed to base pair with mRNA
C. free nucleotides
D. radioactive
E. needed to initiate the reaction

answer: although many types of viruses can cause a common cold, rhinoviruses are the most common culprit. a cold virus enters your body through your mouth, eyes or nose. the virus can spread through droplets in the air when someone who is sick coughs, sneezes or talks. theres your answer

explanation:

hello

answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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