Blood is considered a type of connective tissue
1.True
2.False
1
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Single-stranded ends generated by the same restriction enzyme are complementary to each other. They can be joined together,
A. even when the source of the DNA is different. B. only when the source of the DNA is the same. C. but the "sticky ends" will most likely have to be modified. D. but the hybridization of the two ends may cause a problem with cloning. E. only if the subunits have been methylated.
Movement of a molecule against a concentration
gradient is a. simple diffusion. b. facilitated diffusion. c. osmosis. d. active transport. e. bulk flow.
In the noncyclic reaction what happens to the electrons? a. They stay in the photosystem
b. They combine with hydrogen. c. They combine with carbon. d. They combine with oxygen. e. They leave the system.
Place these genes in their temporal order of expression from earliest to latest during Drosophila development.
A. Bicoid, Gap, Homeotic B. Homeotic, Gap, Bicoid C. Homeotic, Bicoid,Gap D. These genes are not expressed at different times during development. They are expressed at the same time, but in a different spatial order. E. Kruppel, gooseberry, even-skipped