What do BRCA1 and p53 have in common?
A. Both cause eye cancers.
B. Both cause breast cancer.
C. Both are tumor suppressors.
D. Both are inherited as autosomal dominant traits.
E. Both are oncogenes.
Answer: C
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Fibroblasts are present in which tissue type?
a. connective tissue b. epithelium c. muscle d. nervous tissue e. all tissue types
Of the following four islands at the same latitude, which one likely possesses the fewest species?
a. 1,000 square kilometers in area and 300 km from the mainland b. 3,000 square kilometers in area and 100 km from the mainland c. 100 square kilometers in area and 3,000 km from the mainland d. 300 square kilometers in area and 1,000 km from the mainland e. All islands are at the same latitude, so they are all likely to have the same species richness.
The homeostatic interaction between the endocrine system and which other system is demonstrated by
aldosterone regulating salt-water balance? a. digestive system b. circulatory system c. reproductive system d. urinary system e. skeletal system
When thyroid hormone concentration is low the anterior pituitary secretes less TSH. Indicate whether the statement is true or false