Prior to the divergence of animals, an ancestor is proposed to have developed the key shared trait of all animals, the
A. body form of multicellularity.
B. presence of a mouth by which to consume nutrition materials.
C. ganglia or brain cells to control all motion.
D. embryonic development of the mouth first, from embryonic cells.
E. body form of having true tissues.
A. body form of multicellularity.
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Homo erectus and the modern humans differ in
A. social behavior. B. living as tribes. C. their brain size. D. their upright posture. E. opposable thumbs.
A patient in your clinic has tested positive for syphilis, and following his visit, you must prepare the room for future use. To avoid spreading this organism to other patients, the best approach is to
A. contact the CDC for guidance on proper cleaning. B. lock the room and post a sign that it must be professionally decontaminated. C. clean all surfaces with a common disinfectant. D. discard all linens and instruments in biohazard containers.
The combination of a virus's protein coat and nucleic acid core is called the (capsid/virion/nucleocapsid)
What will be an ideal response?
The majority of prokaryotes are capable of forming endospores
Indicate whether the statement is true or false