The organ that is responsible for secreting cocoons in the oligochaetes is known as the
A. radula.
B. nephridia.
C. clitellum.
D. lophophore.
E. setae.
Answer: C
Biology & Microbiology
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A) infectivity. B) virulence. C) titer. D) fluid infectivity.
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The procedure in which a single stain is used to visualize microorganisms is called ________ staining.
Fill in the blank(s) with the appropriate word(s).
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The scientist(s) who confirmed DNA was the genetic information by working with bacteria that infect viruses was/were
A. Watson and Crick. B. Griffith. C. Avery and Macleod. D. Chargaff. E. Hershey and Chase.
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In the tricarboxylic acid cycle, oxaloacetate reacts with acetyl CoA forming citrate
__________________ Indicate whether the statement is true or false.
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