A mutation causes a gene to become overactive, contributing to uncontrolled cell growth. Which term best describes this gene?
A. tumor-suppressor gene
B. oncogene
C. spliced gene
D. alternatively spliced gene
E. malignant gene
B. oncogene
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Which of the following statements about cartilage is false?
A. A cartilage model precedes bone formation during both endochondral and intramembranous ossification. B. Much of the embryonic skeleton of humans is made up of cartilage. C. Cartilage within the growth plate of bones allows for growth during adolescence. D. Articular cartilage lines the surface of bones at a joint. E. All of the answer options are correct.
Lymphocytic choriomeningitis (LCM) and Lassa fever are considered which type of virus?
a. Adenovirus b. Papillomavirus c. Picornavirus d. Arenavirus
Answer the question using the accompanying figure. Identify the developmental brain region that gives rise to the
a. hindbrain b. midbrain c. telencephalon d. medulla e. forebrain
For natural selection to occur, what must be present in a population?
a. genetic drift b. gene flow c. decent with modification d. variation