The gizzard carries out the same function in birds, alligators, and earthworms as ____ do in insects
Fill in the blank with the appropriate word.
mandibles
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Complementarity in a genetic sense refers to the polymerization of nucleotides in DNA
Indicate whether the statement is true or false
What are phylogenetic trees?
What will be an ideal response?
Where would you expect to find telomerase activity?
A) At the end of a chromosome in a normal healthy eukaryotic body (somatic) cell. B) At the end of a chromosome in a cancerous eukaryotic body cell. C) On the leading strand of DNA in a normal bacterial cell. D) On the lagging strand of DNA in a normal bacterial cell. E) At the centromere of a chromosome in a healthy eukaryotic reproductive cell.
Which statement about the megasporocyte is true?
a. It undergoes meiosis to produce three haploid cells. b. It is a diploid cell located within an ovule. c. It divides mitotically to form a male gametophyte. d. It plays an important role in cross-pollination. e. It will give rise to the generative cell.