What cell components are kinesins able to transport along microtubules?
a. Membranous vesicles and mitochondria
b. Endoplasmic reticulum
c. mRNAs
d. All of the above
e. None of the above
Ans: d. All of the above
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Taste buds contain taste cells that convert chemical signals into action potentials.
a. true b. false
A systematic way of obtaining knowledge about the natural world is ____
a. science b. an hypothesis c. an experiment d. the variable e. a prediction
Blue-footed boobies of the Galapagos will mate only after a very specific courtship display on the part of the male. He high-steps to advertise his bright blue feet. What isolating mechanism discourages mating outside the species?
A) gametic isolation B) temporal isolation C) ecological isolation D) behavioral isolation
Your friend discovered a new multicellular organism living under the polar ice caps, and brought it back to the laboratory, where it seems to be growing well
Your friend is particularly interested in the proteins that allow this organism to survive in extreme cold. Because he is interested in proteins and because he has learned that most of the human genome does not code for exons, he is considering sequencing expressed sequence tags from this organism. What do you think the pitfalls of this approach might be? Explain.