In a flowering plant, the ____ is the site of meiosis and, ultimately, the production of pollen
a. stigma
b. style
c. carpel
d. anther
e. filament
d
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Answer the following statements true (T) or false (F)
1. You would not expect a protein synthesis inhibitor to block learning processes in the relevant neurons of Aplysia or yourself. 2. Even single stimuli can activate protein kinase A in presynaptic neurons involved in the gill-withdrawal reflex in Aplysia. 3. New neurons do not appear in the brain of adult vertebrate animals. 4. Activities like playing a musical instrument regularly can affect the size of brain regions involved in performing these activities.
Which of the following statements is true?
a. Enzymes bond to macromolecules during condensation and detach during hydrolysis. b. Enzymes may act on any macromolecule within the same class as its primary reactant. c. Each type of enzyme serves as a catalyst for only one specific macromolecule. d. Enzymes only act during dehydration synthesis, never during hydrolysis.
An infection spread between animals and humans is a ________.
A. zoonosis B. healthcare-associated infection C. secondary infection D. sequela
Isotopes of an element have the same number of ________ and different numbers of ________
A) protons... neutrons B) protons... electrons C) neutrons... protons D) electrons... protons