The significance of totipotency is that:a
genes are not regularly lost during development.
b. most organisms can be easily cloned.
c. differentiation leads to the loss of certain genes in each cell.
d. somatic cells are incapable of differentiation.
e. unexpressed genes are lost during development.
a
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Select the closest relative to a squirrel.
A. Plants B. Fungi C. Kelp D. Diatoms E. Green algae F. Bacteria
Most (90 percent) of all cases of ____________________ cancer involve mutations of the MSH2 or
MLH1 genes, which destabilize the genome. Fill in the blank(s) with the appropriate word(s).
Some elongated fimbria are important in transferring DNA between bacteria
____________________ Indicate whether the statement is true or false.
All of the following are true of biofuels EXCEPT
A) there is concern that using food products as a fuel source will reduce the global food supply and increase food prices. B) demand for biofuels has placed demands on rain-forest lands. C) these are fuels such as methane produced from renewable biological resources such as soybeans and corn. D) the goal of their use is to reduce harmful carbon dioxide emissions. E) biofuels are the only solution to our growing need for fuels in the future.