Explain the importance of information transfer in living systems. Include three specific examples. What will be an ideal response?
Information transfer occurs when 1) traits are passed to the next generation, 2) when one
individual communicates with another, 3) when one portion of a cell communicates with
another portion, and 4) when one part of a multicellular organism communicates with another
part.
For example, in sexual reproduction the genetic information from the parents is transmitted to
the offspring. The information in those genes is then used to determine what proteins are
made and consequently how that cell develops. Lastly, a cell may produce a hormone or a
neurotransmitter that provides information of various kinds to other cells.
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The amniotic egg evolved as an adaptation
A. against predation. B. to insure survival in the uterus. C. to prevent desiccation. D. to permit the embryo to develop undisturbed up to the time of hatching.
The ________ plasmid of Agrobacterium tumefaciens is often used as a vector for cloning and introducing foreign genes into plants.
Fill in the blank(s) with the appropriate word(s).
Endotherms can sustain a higher level of physical activity for longer periods of time than ectotherms
Indicate whether the statement is true or false
Which of the following is a substrate of ATM (ataxia telangiectasia mutated) or ATR?
A. Cdc25A B. Cdc25C C. cyclin B D. Chk1 E. Rb