Transmission of infectious agents from host to host with the involvement of an intermediate inanimate material is considered to be _____transmission
Fill in the blank(s) with the appropriate word(s).
indirect
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When a young, vigorously growing culture of bacteria is transferred to fresh medium of different composition, the lag phase is usually short or absent.
Answer the following statement true (T) or false (F)
What is a function of antioxidants?
A) to prevent muscle cramps and weakness B) to improve skin tone and fight acne C) to decrease damage done to cells by free radicals D) to allow the cell to maintain water balance
The size of the motor area in the brain for any specific body part is relative to:
a. the rest of the body.
b. its position in the body. c. the complexity of its movements. d. the number of muscles it contains. e. the area of the brain that controls it.
"Nerve net" describes the nervous system of:
a. flatworms b. cnidarians c. annelids d. arthropods e. sponges