Examining the plants in Figure 18-1, the structure labeled 2 is homologous with structure:
a. 1.
b. 3.
c. 4.
d. 5.
e. 7.
C
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For a girl to show symptoms of the disease, she must have _____ copies of the gene
a. one b. two c. three d. four
In the accompanying figure, what is the role of the structures between the membranes?
a. They provide structure to plant cells.
b. They provide anchorage points between adjacent cells.
c. They allow passage of materials through intercellular spaces.
d. They prevent the passage of materials through intercellular spaces.
e. They allow the transport of small molecules and ions between adjacent cells.
In the Shannon diversity index, communities with a very uneven distribution of individuals will tend to have a higher H.
Answer the following statement true (T) or false (F)
If a mammal is born without the ability to produce EGF (epidermal growth factor), then its
A) ability to increase cell division when needed would diminish. B) Cdks will not function properly. C) cell cycles will not contain the proper checkpoints. D) licked wounds will heal faster than usual.