Erythrocytes are the most numerous cells in human blood
Indicate whether the statement is true or false.
Answer: TRUE
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Scientists develop a chemical that binds to molecules that make quorum sensing possible, rendering those molecules non-functional. If this chemical is incorporated into a mouthwash, how would it affect the community of bacteria that cause dental plaque?
A. Their negative effects would be reduced because they will no longer be able to produce mucilage and stick to teeth. B. Their negative effects would be reduced because they will no longer be able to produce the acid that damages teeth. C. Their negative effects would be increased because it will cause them to produce mucilage, allowing them to stick to teeth. D. Their negative effects would be increased because it will cause them to produce the acid that damages teeth. E. It would have no effect because they will still be able to form a biofilm and secrete the acid that damages teeth.
Which of the following is considered a nonlethal effect of predation?
A) reduced activity of prey B) prey consumption C) reduced competition D) increased predator mortality
A person jogging displays what kind of energy?
A. potential B. kinetic C. nuclear D. sweat
Bacterial endospores are used for
A) forming biofilms. B) bacterial reproduction. C) keeping the bacteria alive under harsh conditions. D) attracting viruses. E) bioremediation.