A DNA fingerprint of a suspect doesn't match a DNA fingerprint from a blood sample taken at a crime scene. What can you conclude?
A) The suspect was never at the crime scene.
B) The blood sample was probably degraded or destroyed in some way.
C) There is no DNA in a blood sample.
D) The blood came from a different person, but the suspect may have been there.
D
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In the process of initiation, RNA polymerase and several regulatory proteins bind to a(n) ____________________ that marks the beginning of a gene
Fill in the blank(s) with correct word
Which of the following statements about inositol triphosphate is FALSE?
It is formed in the cytoplasm. It is synthesized by a membrane-bound enzyme. It is synthesized by the enzyme phosphatase. It binds to and opens Ca2+ channels in the endoplasmic reticulum.
Prevotella is involved in almost all cases of which of the following?
A) Ear infections B) Brain abscesses C) Periodontal infections D) Sinus infections
During capacitation, sperm become mature. Indicate whether the statement is true or false