An inanimate object that transmits infectious agents between hosts is most appropriately called a

A) fomite.
B) carrier.
C) vector.
D) reservoir.


Answer: A

Biology & Microbiology

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Indicate whether the following statements are true or false

_____ Brains are required for movement. _____ Cephalization is thought to be an adaptation for forward locomotion. _____ Cephalization evolved once. _____ All animals show cephalization. _____ All members of the Bilateria show cephalization. _____ Ganglia are nerve cell bodies that provide local processing of sensory information and result in motor output or another physiological effect. What will be an ideal response?

Biology & Microbiology

Which of the following is the most likely explanation for the band pattern seen in lane 6?

A. Protein D is a restriction enzyme and cut the DNA fragment into two DNA fragments. B. Protein D binding to the CRP-binding site is less tight compared to cAMP-CRP binding. C. Protein D has a smaller mass than the cAMP-CRP protein. D. Protein D removed radioactive label from the DNA fragment.

Biology & Microbiology

Sarah is a little underweight for her size. As a result, her leptin levels will be __________ if

she gained a bit more weight.

a. higher than b. lower than c. the same as d. either higher than or the same as

Biology & Microbiology

When a cell divides, the chromosomes split widthwise and duplicate

a. True b. False Indicate whether the statement is true or false

Biology & Microbiology