What connects the cytoplasm of adjacent cells in plants?
a. the plasma membrane
b. plasmodesmata
c. the primary cell wall
d. the secondary cell wall
b. plasmodesmata
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A group is considered polyphyletic if
A. all members of the group share a common ancestor. B. not all descendants of the common ancestor are included. C. all members share homoplastic traits. D. the group does not contain the most recent common ancestor. E. it is the most parsimonious grouping.
F plasmids and oftentimes R plasmids are both able to code for production of a pilus
Indicate whether this statement is true or false.
Refer to Figure 50-3. The cervix is labeled:
a. 3
b. 4
c. 5
d. 7
e. 8
Which one of the following is responsible for severe birth defects if contracted during pregnancy?
a) Measles b) Rubella c) Chickenpox d) Fifth disease