Who am I? I am alive at maturity and have primary cell walls that are especially thickened at the

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


B

Biology & Microbiology

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This figure illustrates the life cycle of a

a. brown algae. b. green algae. c. water mold. d. plasmodial slime mold. e. cellular slime mold.

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The preprophase band consists of chromosomes aligned in a particular pattern

____________________ Indicate whether the statement is true or false.

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Which is a type of lymphocyte that forms in the bone marrow but matures in the thymus gland?

A) lymphoma B) T cell C) B cell D) none of the above

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