Which domain of life contains the most multicellular organisms?
A. Bacteria
B. Eukarya
C. microorganisms
D. Archaea
E. Prokarya
Answer: B
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What type of bond is formed by dehydration synthesis between two amino acids?
A. Phosphate B. Disulfide C. Ester D. Glycosidic E. Peptide
Each gamete gets only one copy of an allele because it has ____
a. one copy of each chromosome b. one nucleus c. one chromosome d. a diploid number of chromosomes e. either an X or a Y
An asymptomatic carrier (healthy carrier or just carrier) is a person or other organism that has become infected with a pathogen, but who display no signs nor symptoms. Although unaffected by the pathogen themselves, carriers can transmit it to others
a. true b. false
Which of the following is a distinct advantage of active immunity over passive immunity?
A. Active immunity provides IgG whereas passive immunity provides IgM. B. Active immunity enables the development of immunologic memory, whereas no memory develops with passive immunity. C. Active immunity develops very quickly whereas passive immunity may take months to develop. D. Active immunity is always natural whereas passive immunity is frequently artificial.