DNA transfer has occurred many times between organelle and nuclear genomes. Two pairs of sequences are analyzed. Pair A has more similarities than pair B. Which of these is the most ancient transfer?
What will be an ideal response?
Pair B
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You discover an aquatic fungus that makes spores that use flagella to swim. Into which group should you classify this
fungus?
a. Glomeromycota b. Basidiomycota c. Chytridiomycota d. Zygomycota e. Ascomycota
Inheritance patterns cannot always be explained by Mendel's models of inheritance
If a pair of homologous chromosomes fails to separate during meiosis I, select the choice that shows the chromosome number of the four resulting gametes with respect to the normal haploid number (n)? A) n+1; n+1; n-1; n-1 B) n+1; n-1; n; n C) n+1; n-1; n-1; n-1 D) n+1; n+1; n; n
Azotobacter
A. are the chief suppliers of fixed nitrogen in grasslands. B. form symbiotic associations with algae. C. have a very low respiratory rate. D. are methanogens. E. are the chief suppliers of fixed nitrogen in grasslands AND form symbiotic associations with algae.
Which of the following is NOT a characteristic of a genus name?
A) It is usually an adjective. B) It is written before the specific epithet. C) It is always capitalized. D) It is either underlined or in italics. E) It is one of two names used to identify an organism.