The chewy, stringy supporting strands in

celery are which cells?



a. xylem
b. collenchyma
c. phloem
d. sclerenchyma
e. parenchyma


B

Biology & Microbiology

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What is the number of chromosomes found in

an oak tree?

a. 2 b. 4 c. 8 d. 12 e. 24

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Axonal transport of proteins occurs along a track formed by _______.

a. microtubules b. neurofilaments c. anterograde cytoskeleton d. retrograde cytoskeleton

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A positive (susceptible) reaction for the ______________ test is ______________.

A. P disk, > 14mm zone of inhibition B. Novobiocin, <16mm zone of inhibition C. A disk, no zone of inhibition D. 6.5% NaCl no growth

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Trait controlled by a gene on a sex chromosome; often described as either X-linked or Y-linked.

What will be an ideal response?

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