What evidence led to the confirmation that Albert DeSalvo was the Boston Strangler?
A) an analysis of blood types from the crime scene
B) an analysis of fingerprints from the crime scene
C) an analysis of DNA from the crime scene
D) an analysis of witness testimony from the crime scene
C) an analysis of DNA from the crime scene
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The main by-product molecule of photosynthesis that is released into the environment is
A. carbon dioxide. B. oxygen. C. glucose. D. ATP. E. chlorophyll.
When a root is placed on its side, what happens to the amyloplasts in the root cap cells?
a. They move to the top. b. They settle on the bottom. c. They are digested by amylase. d. They move into the root apical meristem. e. They move into a root hair.
A cell may meet the demand for large quantities of a specific protein by:
a. blocking transcription of the gene that encodes the protein. b. decreasing the half-life of the mRNA that specifies the protein. c. adding methyl groups to the gene that encodes the protein. d. gene amplification e. inhibition of DNA synthesis
One inanimate source of illness is fumes, which can gain access to the body through:
a. Skin B. Infection C. Inhalation and skin D. skin and digestive skin