Stem cells ____
a. have the property of self-renewal by division
b. are the least likely to give rise to cancer
c. do not have the ability to divide
d. are immature cells that become nerve tissue susceptible to cancer
e. are found only in cancerous tumors
a
You might also like to view...
Answer the following statements true (T) or false (F)
1. The fossil record shows that angiosperms evolved directly from the Gnetophytes. 2. Incomplete flowers can be perfect flowers but imperfect flowers cannot be complete flowers. 3. Stamens and carpals are, in fact, modified sporangia-bearing leaves. 4. Horizontal gene transfer is restricted to prokaryotes and protists. 5. Secondary metabolites can be used to distinguish between different species of plants.
Apical dominance is maintained by
a. hormones released by the terminal bud. b. sugars produced in the leaves. c. water transported from the roots. d. hormones released by the lateral buds. e. sugars produced in the lateral buds.
Species interactions between members of a community include __________ and __________, in both of which one
species benefits at the expense of another. Fill in the blank(s) with the appropriate word(s).
Humans are unable to get metabolic energy from cellulose because:
A. cellulose contains very little chemical energy. B. cellulose does not taste good. C. cellulose is present in large quantities in the gut. D. cellulose digesting enzymes are absent from the human gut. E. cellulose is not part of a normal diet.