Which are synthesized in the nucleoli found within the nucleus?
a. mRNAs
b. ribosomal subunits
c. chromatin
d. proteins
Ans: b. ribosomal subunits
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Viruses infecting ________ are typically the easiest to grow in the laboratory
A) plants B) animals C) fungi D) prokaryotes
The ________ experiments use an initial exposure to a radioactive compound in the mRNA followed by monitoring of the radioactive compound to determine its fate in the cell.
Fill in the blank(s) with the appropriate word(s).
Which pigment is always present when a dominant allele (A) is present?
a. Red b. Yellow
Blue poppies native to China are grown at a plant-breeding center in California. Those with the thickest leaves survive and reproduce best in California's drier climate. This evolutionary adaptation of the poppies to their new environment is due to __________.
A. genetic drift B. stabilizing selection C. directional selection D. neutral variation