The term herbaceous implies that a plant
A. is only found in wet environments.
B. has not developed a secondary vascular tissue.
C. probably will live several years.
D. has no apical meristem.
E. lacks vascular tissue.
B. has not developed a secondary vascular tissue.
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Electron microscopes have less resolving power than light microscopes
Indicate whether the statement is true or false.
The most common type of molecule found on the surface of animal viruses for interacting with host cell receptors is a ________.
A. phosphoprotein B. glycoprotein C. teichoic acid D. lipoprotein
Which of the following statements about the auxin indole-3-acetic acid (IAA) is false? a. It is involved in polarity and tissue patterning in the embryo
b. IAA can exert different effects at different concentrations. c. IAA is made mainly in root tips and young roots. d. It causes cells to expand by increasing activity of proton pumps.
Inside root cells, ____ is converted to ____, which is then rapidly used to synthesize organic
molecules.
a. NH4 +; NO3 ? b. N2; NO3 ? c. NO3 ?; NH4 + d. NH3; NH4 + e. NO3 ?; N2