A technique used to amplify a desired piece of DNA is
A. gel electrophoresis.
B. RFLP.
C. PCR.
D. Northern Blot.
E. plasmid replication.
Answer: C
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Vascular endothelial growth factor (Abbreviated as VEGF and pronounced "Veg-F") is a peptide-signaling molecule related to platelet-derived growth factor
VEGF is important in the formation of the circulatory system because its signaling pathway causes the formation of new blood vessels in developing embryos during normal development. It also causes the formation of new blood vessels that supply tumors when the tumor produces and secretes VEGF. Given what you know about the different kinds of cell signaling and about VEGF, which of the following is true? What will be an ideal response?
In nerve cells, the centrosome is located near the nucleus. Vesicles move from near the nucleus to the end of the axon along microtubules
Based on these two facts it is possible to conclude that these vesicles are moving in the ______ direction on the microtubule using the motor protein _________. A. minus end; dynein B. plus end; kinesin C. minus end; kinesin D. plus end; dynein
The average pregnancy (measured from the last menstrual period) lasts for how many weeks?
A. 40 B. 36 C. 38 D. 32 E. 42
A period of geographic isolation always results in the evolution of reproductive isolation
a. true b. false