Which of the following is a plant cell type that

is commonly found in and gives support to
vascular tissues?



a. sclerids
b. fibers
c. stomata
d. parenchyma
e. collenchyma


B

Biology & Microbiology

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Transgenic mice are useful to human researchers because they _____

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A distinguishing feature of the Squamata is their

A. hard shell. B. kinetic skull. C. external fertilization. D. shell-less eggs.

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Which of the following is not one of the starting materials of the citric acid?

a. FAD b. NAD+ c. acetyl CoA d. ATP e. H2O

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The blastocyst implants in the endometrium about 7 days after fertilization

Indicate whether the statement is true or false

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