Which of the following viruses is transcribed from RNA to DNA to RNA during the replication cycle?
a. dsDNA viruses
b. +RNA viruses
c. -RNA viruses
d. Retroviruses
Answer: d. Retroviruses
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Mendel's observation of the segregation of alleles in gamete formation has its basis in which of the following phases of cell division?
A) prophase I of meiosis B) anaphase II of meiosis C) metaphase II of meiosis D) anaphase I of meiosis E) anaphase of mitosis
All of the following are functions of integral membrane proteins EXCEPT ____
a. transport of polar molecules b. reception of chemical signals form other cells c. cell division d. recognition of other cells as being "like" e. cell-cell binding
What benefit do legumes derive from Rhizobium?
a. help make carbon dioxide more available b. increase root surface area c. nitrogen fixation d. protection e. retain water so it is more available to the plant
Explain energy transduction and receptor potential as they relate to the function of a sensory receptor. What will be an ideal response?