Biology 191 Final Towson University 270 Correctly Answered Questions Latest Update

Lamark {Ans: use and disuse inheritance of acquired characteristics (ex. we didn't use 8 legs so we only have two)}spematogenesis {Ans: -primordial germ cells divide by meiosis and result in spermatocytes then through the second meiotic division form spermatids that result in sperm cells -occurs in the testis}evidence of natural selection {Ans: direct observation homology the fossil record}centrosomes {Ans: -main place where cell microtubules are organized -only in animal cells -microtubules shoot out and are anchored to}gene {Ans: little piece of DNA that has instructions to make one protein}tight junctions {Ans: type of cell junction; areas of tight connections between membranes}