A DNA molecule used to carry a foreign gene into a host organism is called a ________.
A. vector
B. probe
C. blot
D. plasmid
Answer: A
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A phosphate group is a compound containing phosphorus ____
a. and calcium attached to a base b. and sodium attached to a sugar c. chemically bonded to thymine d. chemically bonded to four oxygen molecules e. chemically bonded to three nitrogen molecules
The fluid mosaic model explains the function and components of which of the following?
a. Plasma membrane b. Endoplasmic reticulum c. Cytoskeleton d. Endomembrane system
If two genes on the same chromosome are located 10 map units from each other, what percentage of the offspring should have a recombinant phenotype?
a. about 10% b. about 25% c. about 50% d. about 75%
Diagnosis of viral infections sometimes involves analyzing the patient's blood for specific ________ that the immune system produced against the virus.
Fill in the blank(s) with the appropriate word(s).