A region of undifferentiated cells that produces new tissues by cell division is called a
a. hypocotyl
b. epicotyl
c. meristem
d. vascular bundle
e. mesophylotum
Ans: c. meristem
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Infants acquire natural passive immunity from maternal antibodies transferred across the placenta or in breast milk
Indicate whether the statement is true or false.
Which of the following is least likely to be found in a cell membrane?
a. phospholipid b. nucleic acid c. steroid d. protein e. carbohydrate
What term best describes the role of certain metal ions and coenzymes in metabolic processes?
a. reactants b. intermediates c. cofactors d. products e. catalysts
Which of the following questions is an example of the "comparative/evolutionary" perspective in biological psychology?
A) To what extent can different species see color? B) What environmental experiences in early life are required for vision to develop normally? C) What kind of treatments can correct faulty vision? D) How are the visual areas of the brain organized?