Organisms belonging to the same Phylum would be more closely related then organisms belonging to the same class.
A. True
B. False
False. (Class would be more closely related than Phylum)
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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.
How does a cell regulate the progression of the cell cycle?
A. expression and synthesis of cyclin proteins B. checkpoints C. expression and synthesis of CDKs D. destruction of cyclins
Bacteria and protozoans are ____
a. multicellular organisms b. unicellular organisms c. both unicellular and multicellular organisms d. the sole organisms of the oceans e. precursors to cells
Define bulimia nervosa
What will be an ideal response?