If I wanted to sample some rapidly dividing cells in a plant, a good choice would be
____________________.
a. cells making up fibers
b. cells making up wood
c. guard cells
d. root tip cells
D
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Which of the following is true about the synthesis of macromolecules from monomeric subunits?
A. It saves energy B. It saves biosynthetic raw materials C. It saves genetic storage capacity D. All of the choices are correct.
Who played the most influential role in the discovery of the cell?
a. Matthias Schleiden b. Theodor Schwann c. Rudolf Virchow d. Robert Hooke
It is widely accepted that altruistic behavior has evolved for the benefits it provides the species as a group.
Answer the following statement true (T) or false (F)
Virulent and temperate phages differ in that ________.
A. virulent phages always result in the lysis of the host cell, whereas temperate phages may lyse the host cell, or they can enter a lysogenic cycle whereby they integrate their genome into the genome of the host cell B. temperate phages integrate their genome into that of the host cell, causing uncontrolled growth and ultimately lysis of the cell, whereas virulent phages remain in the lysogenic phase indefinitely C. temperate phages always result in the lysis of the host cell, whereas virulent phages may lyse the host cell, or they can enter a lysogenic cycle whereby they integrate their genome into the genome of the host cell D. virulent phages cause mutations in the host cell genome, whereas temperate phages have no genetic effect on the host cell