Which of the following is a chromosomal mutation?

a. inversion
b. point mutation
c. substitution
d. insertion


Ans: a. inversion

Biology & Microbiology

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A. true B. false

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The accompanying figure shows a cross-section through the vascular cylinder of a(n) ____

a. monocot stem b. eudicot stem c. monocot root d. eudicot root e. eudicot leaf vein

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All of the following organisms produce exotoxins EXCEPT

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In feedback inhibition of a metabolic pathway, where does the inhibitor bind?

A. to a substrate or the product of the last reaction B. to the enzyme of the first reaction C. to the enzyme of the last reaction D. to the substrate of the first reaction E. to the product of the first reaction

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