In humans, the fluid immediately surrounding the embryo is enclosed by the
a. allantois.
b. placenta.
c. chorion.
d. amnion.
e. yolk sac.
D
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How could you identify potential riboswitches with bioinformatics tools?
A) Advanced 3D modeling techniques of mRNA folding would be necessary because complementary nucleotide binding predictions would not be useful. B) Locate short regions of an individual transcript with several complementary sites. C) Identify homologous sRNAs in other organisms. D) Identify several complementary mRNAs encoded in the genome.
Human blood groups are determined by antigens on the surface of red blood cells
Indicate whether the statement is true or false
Viruses exhibit all the following except ________.
A. genes B. ultramicroscopic size C. definite shape D. metabolism E. ability to infect host cells
A decrease in the availability of ATP in a root cell could decrease the water potential of the cell.
Answer the following statement true (T) or false (F)