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• 2. In a forest ecosystem, the majority of the net primary production________.(A) becomes dead organi
• 3. '"'An alien species whose populations are surviving and reproducing beyond the loc
• 4. ''Some animals may reduce metabolic rate to save energy. This behavior may last for sev
• 5. Net primary production (NPP) is________.(A) amount of solar energy captured by algae in oceans an
• 6. Annual actual evapotranspiration (AET), which represents the total amount of water that evaporate
• 7. After landslide happens and the part of the mountain slope slides down into the valley, vegetatio
• 8. Naturally, all the nitrogen present in the nitrogen cycle comes from________.(A) industrial fixat
• 9. During the secondary succession in the forest, with time the number of woody species________.(A)
• 10. In the famous experiment conducted to prove that Island biogeography theory works, scientists (S
• 11. Anthropogenic climate change________.(A) decreases the global temperature and influences mostly
• 19. Body size is a functional trait ecologists and evolutionary biologists often examine,(A) Please
• 2. Which of the following method can be used to determine protein concentration without a protein re
• 3. An enzyme's specificity can be due to:(A) the ratio of catalyzed rate to the uncatalyzed rat
• 4. The dehydrogenase enzymes facilitate the direct transfer of hydride anion. Which of the following
• 5. Which statement below about contrasting Hb and Mb is false?(A) Hb shows sigmoidal, whereas Mb sho
• 6. In the conversion of glucose to pyruvate, how many of the actual steps involve electron transfer?
• 7. Which of the following statements regarding citric acid cycle is false?(A) The immediate electron
• 8. Which of the following statements about glycogen metabolism is correct? 1. Glycogen is mainly fou
• 9. In the citric acid cycle there are eight reactions steps. Which of the following enzymes catalyze
• 10. Cofactors usually play an important role in enzyme catalysis. Which enzyme requires lipoic acid
• 11. Compounds that generate nitrous acid (such as nitrites, nitrates, and nitrosamines) change DNA m
• 12. Which of the following is not used as a heterologous host for the expression of recombinant prot
• 13. Lipoate is one of the cofactors of the pyruvate dehydrogenase complex. It can undergo reversible
• 14. Mammals produce heat by using the endogenous uncoupling agent:(A) the small molecule 2-4-dinitro
• 2. The individual credited with first observing the cell nucleus is________.(A)Anton van Leeuwenhoek