Light reactions use sunlight as energy source The light reactions use sunlight as the energy source.
a. true
b. false
Answer: a. true
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DNA methylation and histone acetylation are examples of _____
A) genetic mutation B) chromosomal rearrangements C) karyotypes D) epigenetic phenomena E) translocation
PTEN is a phosphatase that removes a phosphate group from ________, thereby preventing its activation of Akt kinase
Fill in the blank with correct word.
Which of the following is NOT involved in the formation of blood clots?
a. platelt congregation at the site of rupture of a blood vessel b. release of clotting factors from platelets c. production of fibrin, a protein d. formation of fibrin-red blood cell complexes that circulate in the blood and are too large to move though ruptured blood vessel walls
Shingles, or herpes zoster, is a reactivation of the virus that causes
A) smallpox. B) German measles. C) measles. D) whitlows. E) chickenpox.