Conifer seeds develop in reproductive structures called ________
Fill in the blank(s) with correct word
cones
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Some photosynthetic euglenoids can also ingest dissolved or particulate food. Which one of the following terms would best describe such a protist?
A. autotrophic B. heterotrophic C. mixotrophic D. osmotrophic E. phagotrophic
By definition, geometric isomers are mirror images of each other
__________________Indicate whether the statement is true or false.
Suppose a new species of bacterium is discovered. It contains a form of DNA pol III that can add new nucleotides to either the 5' end or the 3' end of an existing strand. All other properties of the enzyme remain unchanged. How would DNA replication in these bacteria differ from normal replication?
A. DNA gyrase would no longer be required for replication. B. Helicase would no longer be required for replication. C. Both new strands could be synthesized continuously like the leading strand. D. The same polymerase molecule could synthesize both strands at the same time.
A distinctive feature of eukaryotes is the organization of tightly packaged chromosomal DNA with proteins into a membrane-bound structure called a
A. nucleolus. B. nucleus. C. cell. D. plasma membrane.