Recombinant DNA technology is used to produce vaccines for hepatitis B infection and other diseases today.
a. true
b. false
Answer: a. true
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The recessive trait is expressed in an individual when ________.
A. the individual has two dominant alleles B. the individual has one recessive allele only C. the individual has one recessive allele and one dominant allele D. the individual has two recessive alleles
Which of the following converts nitrogenous waste from living animals or from the remains of dead animals into NH4+ by certain bacteria and fungi?
a. Nitrogen fixation b. Nitrification c. Denitrification d. Ammonification
A genomic library is a collection of ________ that contains DNA fragments representing most, if not all, of the genome of an organism
Fill in the blank with correct word.
Select the best response to the question
Thoroughly cleaning a patient's room after discharge helps limit the spread of disease by: A) common vehicle transmission. B) airborne transmission. C) indirect contact. D) direct contact.