Which of the following is not a mechanical defense employed by plants?

A. hairs
B. silica plates
C. thorns
D. terpenes
E. spines


D

Biology & Microbiology

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Precancerous cervical cells can be detected by

a. routine Pap smears. b. self-examination. c. a series of blood tests. d. x-ray examinations. e. ultra-sound

Biology & Microbiology

The two fatty acid tails are _________________ , but the phosphate group and its attachments form _____________ head, when reacting with water.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

A neuronal axon transmits neural impulses toward its cell body

____________________ Indicate whether the statement is true or false.

Biology & Microbiology

What is the most appropriate term for a mature pollen grain?

a. megaspore b. microspore c. male gametophyte d. female gametophyte e. immature sporophyte

Biology & Microbiology