Genetic testing is typically done with blood samples, yet red blood cells (erythrocytes) are anucleate (lack nuclei) and are thus devoid of DNA. How, then, are these tests done?
What will be an ideal response?
Other blood cells, in particular white blood cells or phagocytes, are not anucleate, and DNA can be extracted from them.
Biology & Microbiology
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Activators
A. are involved in negative control. B. are involved in positive control. C. always bind to the promoter. D. are allosteric proteins. E. are involved in positive control AND are allosteric proteins.
Biology & Microbiology
__________ is the conversion of grassland or woodland to desertlike conditions. Fill in the blank(s) with the appropriate word(s)
Biology & Microbiology
The part of a neuron that receives information from other neurons is the ____
a. axon terminal b. dendrite c. cell body d. axon hillock e. synapse
Biology & Microbiology
To what phylum do honeybees belong?
A. Arthropoda B. Sporozoa C. Chordata D. Annelida
Biology & Microbiology