To assess if a cell is in an appropriate condition to divide, the cell employs sensors called ______ proteins.
Fill in the blank(s) with the appropriate word(s).
checkpoint
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I need to determine if the gene for a particular protein is the same length in frogs, humans, and trees. Which method(s)
will be most helpful to me?
a. PCR and agarose gel electrophoresis b. DNA cloning and PCR c. DNA cloning only d. PCR only e. agarose gel electrophoresis only
Blood plasma is separated from cells by interstitial fluid
Indicate whether the statement is true or false.
Explain what might occur when purine or pyrimidine bases in nucleotides undergo tautomeric shifts. What will be an ideal response?
Independent assortment predicts a 9:3:3:1 ratio with four different phenotypes in the F2 progeny. If the alleles are epistatic, what would you predict?
A) more than four phenotypes B) fewer than four phenotypes C) heterozygotes with a novel phenotype between the dominant and recessive homozygotes D) 1/3 of the progeny with the dominant phenotypes and 2/3 recessive E) no change in the 9:3:3:1 ratio