All of the following statements are true about
eukaryotes with one exception. Select the
exception.
a. eukaryotes have a nucleus.
b. eukaryotes are similar to prokaryotes at a
molecular level.
c. eukaryotes are sometimes unicellular
organisms.
d. eukaryotes are similar to prokaryotes at a
structural level.
e. eukaryotes include plants, fungi, and
protists.
D
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In the equation
a. change in population size b. time period c. total births d. total deaths e. change in population size over time
In which of the following processes is DNA copied into RNA?
A. Translation B. DNA Replication C. Transcription D. Reverse Transcription
What is the best description of double fertilization in angiosperms?
A. One pollen grain fertilizes the embryo sac; the other sperm fertilizes the pollen grain. B. One sperm fertilizes the egg, which develops into the embryo; the other sperm fertilizes the polar nuclei, which forms the seed coat. C. One sperm fertilizes the egg, which develops into the embryo; the other sperm produces the pollen tube. D. One sperm fertilizes the egg, which develops into the embryo; the other sperm fertilizes the ovary, which becomes the fruit. E. One sperm fertilizes the egg, which develops into the embryo; the other sperm fertilizes the polar nuclei, which forms the endosperm.
A plaque assay uses the ________ technique
a. agar overlay b. colony-plate c. streak-plate d. spot titering