Most eukaryotic genes are cloned directly into the vector for expression in prokaryotes
Indicate whether this statement is true or false.
FALSE
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Why are anionic nutrients generally mobile in soils, and thus easily leached, while cationic nutrients are relatively immobile?
A) Anions readily form crystals while cations do not B) Cations interact with clay particles and organic materials C) Cations have a stronger tendency to aggregate D) Anions are repelled from the surfaces of living roots
An action potential is a brief reversal of the __________ potential. Fill in the blank(s) with the appropriate word(s)
What can you conclude from these results?
You are breeding different varieties of roses in your garden. When you cross a true-breeding yellow "Texas Beauty" rose with a true-breeding "Ruby" red rose, you get all red roses. But when you cross a "Texas Beauty" yellow with the yellow variety "Jealousy," you get a 9:7 ratio of red to yellow flowers! A. The environment, and not genes, influences pigment in these rose varieties. B. There are epistatic interactions between at least two genes for rose pigment. C. The red allele is dominant to the yellow allele. D. There is a mutation in the gene for yellow pigment in the "Jealosy" variety. E. There is no recessive allele for the red pigment gene.
Women of childbearing age should be vaccinated against ________.
A. influenza A B. chickenpox C. German measles D. shingles