The __________ controls normal body temperature; it is stimulated to reset the body to a higher temperature in response to some infections.
A) complement cascade
B) lacrimal apparatus
C) thyroid
D) hypothalamus
Ans: D) hypothalamus
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Which of the following is not a common feature of binary fission and mitotic cell division?
A. cellular growth B. DNA synthesis C. pinching of the parent cell into two daughter cells by the cytoskeleton or cytoskeleton-like proteins D. construction of a nuclear envelope
A major, genetically determined change in the antigenic character of a pathogen is called antigenic drift.
Answer the following statement true (T) or false (F)
The ____ phylum has about 185 known living species of vascular, seed-bearing plants. Many of them look like palm
trees, and some produce massive strobili, with male and female strobili found on separate plants.
a. Cycadophyta b. Anthophyta c. Gnetophyta d. Coniferophyta e. Ginkgophyta
The diameter of a blood vessel will be reduced by the contraction of ________
a. cardiac muscle b. smooth and cardiac muscles c. skeletal and cardiac muscles d. smooth muscle e. skeletal muscle