An oncogene is a _____
a. normal gene that promotes mitosis
b. gene that codes for a growth factor that stimulates cell division
c. gene that codes for tumor suppressing proteins
d. mutated gene that results in tumor growth
e. mutated gene that results in cell cycle arrest
ANSWER: d
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When sugar dissolves in water, water is acting as a ____ and the sugar molecules are acting as ____
a. solution; solvents b. solute; solutions c. solvent; solutes d. solute; solvents e. solvent; solutions
How many rounds of cell division occur in meiosis?
a. 0 b. 1 c. 2 d.3
In descriptive statistics, the median is defined as the value exactly in the center of a distribution, with half the values lying above and half lying below
Indicate whether the statement is true or false
Which one of the following organisms has a cell wall?
A) protoplasts B) fungi C) L forms D) mycoplasmas E) animal cells