The chordate nerve cord is hollow and located ventrally. Indicate whether the statement is true or false
False - dorsally
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Heterochromatic regions at the ends of chromosomes are
A) centromeres. B) euchromatin. C) telomeres. D) DNA hubs.
All of the members of the same species occupying the same area at the same time constitute a(n):
a. individual b. population c. community d. ecosystem e. biosphere
DNA content can be determined using a method of flow cytometry that can determine 2n or 4n states of cells based on cell counting and fluorescent labeling of DNA. Which of the following phases would be identified through flow cytometry as 2n?
a. M phase b. G1 phase c. G2 phase b. S phase
The addition or deletion of nitrogenous bases during replication or transcription results in changes in the DNA sequence. The change in base sequence is called:
What will be an ideal response?