What protein is used to organize DNA with a chromosome?
What will be an ideal response?
ANS:
histones
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The enhancement of a response to a stimulus following a novel pre-stimulus is called ____
Fill in the blank with the appropriate word.
____________________ assess the risks of developing, inheriting, or transmitting genetic disorders, and assist clients
in understanding this information. Fill in the blank(s) with the appropriate word(s).
The degree of erosion in the United States is best described by the following statement.
A. Removal of trees helps build up topsoil and prevents erosion. B. There is a set amount of soil that was originally formed and erosion continually removes some of it; therefore we will one day run out of topsoil due to erosion. C. Farmland soil is eroding faster than it is being formed. D. Soil forms at generally the same rate as soil erodes, so there is an overall balance just as worldwide precipitation equals evaporation; it is just not evenly spread across the landscape.
Once species have formed, they keep their identity by
A. developmental differences. B. structural modifications. C. isolating mechanisms. D. genetic blocks. E. somatic mutations.