Seeds that germinate right next to the parent plant compete for
a. minerals.
b. sunlight.
c. water.
d. all of these
D
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Hexokinase is an enzyme that binds specifically to glucose and converts it into glucose 6-phosphate. The activity of hexokinase is suppressed by glucose 6-phosphate, which binds to hexokinase at a location that is distinct from the active site. This is an example of.
A. feedback inhibition. B. competitive inhibition. C. cofactor binding. D. allosteric activation.
Which feature of Archaea is shared with Bacteria but not with Eukarya?
a. the sequestration of DNA into a nucleus b. the common occurrence of introns c. the chemical structure of the cell walls d. the plasma membrane structure e. a genome comprised of a single, circular molecule of DNA
Which part of this seed, A, B, C or D, will give rise to the root system when the seed germinates?
1.A
2.B
3.C
4.D
Endangered species
A. are mainly found in the tropics. B. are likely to be in danger of extinction in the future. C. will become extinct in the next 50 years. D. are in danger of extinction throughout all or most of their range. E. are those species found only in zoos, aquaria, and museums.