The main difference between adventitious roots and other root types is that
A. adventitious roots are formed from any part of the plant other than the root.
B. other specialized root types do not provide the same advantages as adventitious roots.
C. there is no woody or starch storage tissue within the adventitious roots.
D. adventitious roots do not conduct water or nutrients for the plant, as do other specialized root types.
E. None of the answer choices is correct.
A. adventitious roots are formed from any part of the plant other than the root.
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Mutations that result in the death of an organism when expressed are called ________ mutations.
A. conditional B. recessive C. dominant D. lethal
If one were to double the amount of enzyme in a reaction with an initial ?G of -5 kcal/mole, what would the ?G be?
A. +10 kcal/mole
B. -20 kcal/mole
C. +5 kcal/mole
D. -10 kcal/mole
E. -5 kcal/mole
What is the most important barrier protecting the inner contents of an animal cell from its exterior environment?
a. the cellular membrane b. the cell wall c. the nucleus d. the cytoskeleton e. Both a) and b) are correct.
Suppose a population splits into two descendant populations prior to any evolution of dark coloration, then splits again after the evolution of dark coloration. Which of the following is true?
a. Changes in coat color tell us something about evolutionary history. b. Using these analogous traits in building an evolutionary tree might cause us to incorrectly infer a closer phylogenetic relationship between these species than actually exists. c. In this case, dark coloration is not only a derived trait but it is also shared by two populations because it is a homologous trait. d. All but B are true.