What type of growth does a plant exhibit when its trunk gets thicker?
A) primary
B) secondary
C) tertiary
D) determinate
B
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Which of the following is a possible use for gene cloning?
A. Cloned genes can be introduced into bacteria or livestock to make pharmaceutical products such as insulin. B. Cloned genes can be introduced into plants and animals to alter their traits. C. Cloned genes can be used to treat diseases. D. Large amounts of protein can be produced to study structure and function. E. All of the choices are correct.
The tangled mass or tissue-like aggregation in a mold is called a ________.
A. thallus B. hypha C. mycelium D. hyphae
The swim bladders of fishes function primarily in ventilation
____________________ Indicate whether the statement is true or false.
Suppose you decide to alter the rate of a reaction. Which of the following would tend to reverse the enzyme-catalyzed reaction?
a. adding more reactants b. adding more enzyme c. mechanically stirring the contents of a beaker of reactants d. adding more product