____________ is a segment of a chromosome that controls a specific function
a. DNA
b. RNA
c. An enzyme
d. A gene
e. An amino acid
d
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Oncogenes are often ____
a. mutant forms of cell cycle genes b. normal forms of cell cycle genes c. needed for normal cells to metastasize d. required for normal contact inhibition of cells e. not involved in cell division
In class, we discussed an example of two species of cichlid fish living in Lake Victoria. Females of these two species normally were able to identify and mate with males of their own species. What type of reproductive barrier is most obviously separating these two different species?
A) habitat isolation B) temporal isolation ki C) behavioral isolation D) postzygotic isolation
A bloom is a rapid increase in
A. algae. B. temperature. C. light. D. fish.
The science that names and groups organisms is
A. phylogeny. B. Linnaeus. C. taxonomy. D. anatomy.