Which of the following is a characteristic of tundra?

A. temperate climate
B. permafrost
C. more than 100 cm of rain a year
D. deciduous forests
E. high biodiversity


B. permafrost

Biology & Microbiology

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Which of the following hormones increases when plants are flooded?  

A.  gibberellin B.  auxin C.  ethylene D.  cytokinin E.  abscisic acid

Biology & Microbiology

________ detect distortions in themselves and nearby structures

Fill in the blank(s) with correct word

Biology & Microbiology

Which of the following genes would be a not be good candidate to be used as a reporter gene in plants:

A) An alpha amylase gene from frogs B) An Alcohol Dehydrogenase (ADH) gene from human. C) A gene encoding a protein involved in routine photosynthesis. D) All of the above

Biology & Microbiology

Polyunsaturated fats ____.

A. have fewer hydrogen atoms than do saturated fats B. are more characteristic of animal fats than plant fats C. have no double bonds D. are solid at room temperature E. are gas at room temperature

Biology & Microbiology