The ____ is a bone of the lower leg in humans
a. femur
b. tibia
c. radius
d. ulna
e. humerus
ANSWER: b
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All perennials have secondary tissues
Indicate whether the statement is true or false.
A species that humans bring to an area where it did not previously inhabit is a(n) _____ species.
A. exotic B. native C. endemic D. existing E. endangered
In electron micrographs of HSV infection, it can be seen that the intact virus initially reacts with cell surface proteoglycans, then with specific receptors. This is later followed by viral capsids docking with nuclear pores
Afterward, the capsids go from being full to being "empty." Which of the following best fits these observations? A) Viral capsids are needed for the cell to become infected; only the capsids enter the nucleus. B) The viral envelope is not required for infectivity, since the envelope does not enter the nucleus. C) Only the genetic material of the virus is involved in the cell's infectivity, and is injected like the genome of a phage. D) The viral envelope mediates entry into the cell, the capsid mediates entry into the nuclear membrane, and the genome is all that enters the nucleus. E) The viral capsid mediates entry into the cell, and only the genomic DNA enters the nucleus, where it may or may not replicate.
The primary purpose of fruits is to:
a. attract pollinators b. provide nutrients to seeds c. protect the seeds from animals d. protect and disperse the seeds e. provide nutrients to animals