Which term refers to growth from apical meristems that generally results in an increase in the length of a plant?
a. typical growth
b. secondary growth
c. primary growth
d. longitudinal growth
Ans: c. primary growth
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Answer the question using the accompanying figure. The function of the structure labeled "2" is ____
a. food intake b. digestion c. waste elimination d. water discharge e. asexual reproduction
Answer the following statements true (T) or false (F)
1. Research suggests a link between a mutation in the skin protein filaggrin and allergic reaction. 2. Vaccinating a substantial portion of the population against an infectious disease establishes "herd immunity." 3. Mitosis in a cancer cell can be compared to a runaway train that is racing along without signals and control points. 4. Invasive malignant tumors typically contain mutations that affect the cytoskeleton and allow the cell to move from where it is anchored. 5. Research has shown that a "cocktail" of several drugs, each acting on a different cellular pathway, is the best approach to treat many cancers.
Food energy is measured in
a. kilograms. b. kiloliters. c. kilometers. d. kilocalories. e. kilojoules.
Which of the following is only partially reabsorbed in the proximal convoluted tubule?
a. glucose b. amino acids c. sodium ions
d. vitamins e. nutrients