An inanimate object that transmits infectious agents between hosts is most appropriately called a
A) fomite.
B) carrier.
C) vector.
D) reservoir.
Answer: A
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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?
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.
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
When a cell divides, the chromosomes split widthwise and duplicate
a. True b. False Indicate whether the statement is true or false