In plants, what are embolisms?
A) toxic acids produced when stomata are closed and it's sunny
B) formations of ice crystals when a plant is subjected to below-freezing temperatures
C) hormones that result in apical dominance
D) air bubbles that form within xylem
D
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All of the following traits are shared between animals and at least some fungi except:
A. None of the other answer options is correct (all of the other traits are found in both fungi and animals). B. flagellated motile cells. C. chitin synthesis. D. glycogen for energy storage. E. eukaryotic cells.
An exaptation is described as a trait that evolves in anticipation of future evolutionary needs or benefits
a. True b. False
During a sequencing reaction, the researcher adds all the required components to the reaction, but
accidentally adds only one of the four dideoxynucleotides, the ddC. What kinds of products will be observed after this reaction is complete?
a. All fragments will end in A. b. All fragments will end in C. c. All fragments will end in G. d. All fragments will end in T. e. No fragments will be made.
Stomata close when ____ guard cells and they become ____
a. active transport pumps H+ into; turgid b. active transport of H+ stops in; flaccid c. active transport pumps H+ out of; turgid d. active transport pumps H+ into; flaccid e. active transport of H+ stops in; turgid