Hormones that slow tumor growth are called
A) transferrins.
B) tumor necrosis factors.
C) interferons.
D) radiation agents.
E) chemotherapins.
B
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Parasympathetic preganglionic fibers arise from the ____
a. cranial and cervical areas of the CNS b. cranial and thoracic areas of the PNS c. cranial and sacral areas of the CNS d. thoracic and sacral areas of the PNS e. thoracic and lumbar areas of the CNS
All of the following characteristics of the sarcoplasmic reticulum in cardiac muscle cells are true except ________________
A. it is more irregular than that in skeletal muscle cells. B. it is in close association wit the transverse tubules. C. it is involved in the storage and release of calcium D. it has enlarged terminal cisternae like skeletal muscle cells.
The function of melanin in the skin is to
A. keep the epidermis soft and pliable. B. reduce water loss. C. prevent infections. D. protect against UV light. E. help regulate body temperature.
Which type of follicle will secrete hormones to support pregnancy if the egg is fertilized?
A. Primordial B. Graafian C. Corpus albicans D. Corpus luteum