During prophase I of meiosis, these pairs form a tetrad in a process called:

Which statement about dna replication is true? a. eukaryotes only have one circular chromosome that unwinds at multiple locations. b. eukaryotes can only replicate one segment of a chromosome at a time. c. prokaryotes can only replicate their single circular chromosome in the nucleus. d. prokaryotes only have one origin of replication to initiate replication.

Which is an example of a population?

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi