What is the result of DNA ligase's action?
A. DNA is broken up at specific sites.
B. DNA fragments are joined together.
C. DNA translation occurs.
D. DNA transcription occurs.
E. DNA is condensed to chromosomes.
B
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_____ corrects the genetic defect in an individual with a genetic disorder by _____
a. Enzyme replacement therapy; delivery of a normal gene to affected cells in the body b. PGD; removing affected cells from an early stage embryo c. Gene therapy; PGD d. Gene therapy; delivery of a normal gene to affected cells in the body e. Chorionic villus sampling; constructing karyotypes from affected cells
Which category of blood vessels will have the largest diameter?
a. Vein b. Arteriole c. Venule d. Capillary e. Artery
Xylem is a vascular tissue that conducts dissolved sugars
____________________ Indicate whether the statement is true or false.
Which form of diabetes is most common?
a. type 1 b. type 3 c. type 2 d. gestational