During PCR, ____________________ takes place when primers for DNA replication bind to complementary regions on the single-stranded DNA fragments
Fill in the blank(s) with correct word
hybridization
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In addition to carbon dioxide, which of the following are also considered to be greenhouse gases?
A. water vapor and methane B. methane C. oxygen D. water vapor E. methane and oxygen
_________ occur where winter drought reduces photosynthesis and most trees drop their leaves
a. Tropical montane forests b. Tropical deciduous forests c. Boreal forests d. Dry savannas e. Temperate forests
The woman scientist who made a major contribution to the discovery of the structure of DNA was
_____________________. Fill in the blank(s) with the appropriate word(s).
Cystic fibrosis is a genetic disease that results from a defective CFTR protein that alters ion flow through the cell membrane such that water does not cross the cell membrane. Gene therapy is being used to attempt to help cystic fibrosis patients. Which
of the following steps is not needed to develop a gene therapy treatment for cystic fibrosis? A) Clone the normal-functioning CFTR gene and make an RNA version of the gene. B) Make antibodies to the defective CFTR protein to enhance the patient's immune system. C) Remove cells from a patient and infect them with the recombinant virus. D) Insert the RNA version of the CFTR gene into a virus.