How can oil cause hypothermia in birds?
a. Oil increases insulation on the bird's feet alone
b. Oil coats large outer feathers so they cannot repel water.
c. Oil adds weight to feathers.
d. Ingestion of oil causes a decrease in body temperature.
b
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When they ferment glucose, members of the genus Streptococcus produce lactic acid, but no gas.
Answer the following statement true (T) or false (F)
The expressed (coding) regions of eukaryotic genes are called ________
A) caps B) promoters C) exons D) introns
The enzymes used by the electron transport chain are located:
A) in the outer membrane of the mitochondrion. B) in the cytosol. C) between the inner and outer membranes of the mitochondrion. D) in the inner membrane of the mitochondrion.
The FIRST self-replicating systems likely contained which molecule(s) as a central component?
a. polysaccharides b. DNA c. RNA d. protein