What is a tuber?

A) an enlargement of an underground stem
B) a root that's modified for nutrient storage
C) the reproductive organ of a gymnosperm
D) a modified leaf that serves as a nutrient storage structure


A

Biology & Microbiology

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Quorum sensing generally follows the mechanism of which type of regulation?

A) feedback inhibition B) negative transcriptional regulation C) positive transcriptional regulation D) two-component regulation system

Biology & Microbiology

In the construction of food webs, much information can be obtained through simple observation of feeding relationships within communities. Which of the following types of food web could you construct from such observations, without further measurement or experimentation?

A) connectedness web B) energy flow web C) functional web

Biology & Microbiology

Which of the following is the most diverse and numerous vertebrate class?

a) Class Actinopterygii b) Class Reptilia c) Class Chondrichthyes d) Class Sarcopterygii e) Class Myxini

Biology & Microbiology

What are the products of translation?

A) ribosomes B) DNA C) nucleotides D) polypeptide chains/proteins E) RNA

Biology & Microbiology