The lymph nodes lie at the junctions of lymphatic vessels where they filter out microbes and antigens from the lymph.
Answer the following statement true (T) or false (F)
True
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The world ocean covers ________ of Earth's surface
a. 94% b. 71% c. 46% d. 68%
Urbanization impacts
A) all species positively. B) all species negatively. C) most species negatively, but a few positively. D) most species positively, but a few negatively.
The Citric acid cycle occurs in the mitochondria. There are nine biochemical reactions involved in the Citric acid cycle, and they are highly ordered. Select the correct order. (Note: These are abbreviated and do not show NAD, ADP, ATP, or FAD.)
A. acetyl-CoA joins the Citric acid cycle and unites with oxaloacetate ?forming citrate ?which forms alpha-ketoglutarate ? which forms succinyl-CoA ? which forms succinate ? which forms fumarate ? which forms malate ? which forms oxaloacetate B. acetyl-CoA joins the Citric acid cycle and unites with oxaloacetate ?forming citrate ?which forms alpha-ketoglutarate ? which forms succinyl-CoA ? which forms succinate ? which forms malate ? which forms fumarate ? which forms oxaloacetate C. acetyl-CoA joins the Citric acid cycle and unites with oxaloacetate ?which forms alpha-ketoglutarate ? forming citrate ? which forms succinyl-CoA ? which forms succinate ? which forms fumarate ? which forms malate ? which forms oxaloacetate D. acetyl-CoA joins the Citric acid cycle and unites with oxaloacetate ?forming citrate ?which forms beta-ketoglutarate ? which forms succinyl-CoA ? which forms succinate ? which forms fumarate ? which forms malate ? which forms oxaloacetate
What is the term for selection that favors altruism toward relatives?
A. nepotism B. mate choice C. group selection D. reciprocal altruism E. kin selection