When a plant becomes infected by pathogenic bacteria or fungi, it may respond by way of a fight or

flight response – a defense that cordons off an infection site surrounding it with dead cells.



Indicate whether the statement is true or false.


ANS: F, hypersensitive

Biology & Microbiology

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Which one of the following correctly lists components of extracellular matrix found in animals?

A. collagen, laminin, and elastin B. collagen, lignin, laminin, and pectin C. lignin, pectin, and keratin D. cellulose, pectin, lignin

Biology & Microbiology

Four of the five answers listed below are characteristic of sclerenchyma cells. Select the exception

a. sclereid b. found in seed coats c. retain the ability to divide at maturity d. have the gritty texture of pear cells e. used in the manufacturing of paper, textiles, and rope

Biology & Microbiology

Habitat corridors allow animals to move from one habitat fragment to another

___________________ Indicate whether the statement is true or false.

Biology & Microbiology

________ are flat lands surrounding rivers that are covered with nutrient-rich sediments when water overflows the banks

Fill in the blank(s) with correct word

Biology & Microbiology