Consumption efficiency is the proportion of production at one trophic level that is eaten by, or ingested, by the next trophic level which of the following is correct statement?

A. Consumption efficiencies of herbivore is higher in ocean than grassland

B. In aquatic ecosystems, production efficiencies of herbivore are greater than carnivores

C. Assimilation efficiencies for carnivores are typically higher than those of herbivores

D. Assimilation efficiency depends on the quality of food eaten and the physiological efficiency of the consumer

#Question id: 999

#Unit 1. Molecules and their Interaction Relevant to Biology

The balanced equation for the degradation of CH3(CH2)10COOH via the B-oxidation pathway is:

#Question id: 1000

#Unit 1. Molecules and their Interaction Relevant to Biology

 Which of the following is (are) true of the B oxidation of long-chain fatty acids?

1. The enzyme complex that catalyzes the reaction contains biotin.

2. FADH2 serves as an electron carrier.

3. NADH serves as an electron carrier.

4. Oxidation of an 18-carbon fatty acid produces six molecules of propionyl-CoA.

5. Oxidation of a 15-carbon fatty acid produces at least one propionyl-CoA.

#Question id: 1001

#Unit 1. Molecules and their Interaction Relevant to Biology

The following fatty acid, in which the indicated carbon is labeled with ¹⁴C, is fed to an animal:  ¹⁴CH₃(CH₂)₉COOH After allowing 30 minutes for fatty acid B oxidation, the label would most likely be recovered in:

#Question id: 1002

#Unit 1. Molecules and their Interaction Relevant to Biology

What would be the product of the transamination of the structure shown below? (The unionized forms are shown.)

#Question id: 1003

#Unit 1. Molecules and their Interaction Relevant to Biology

The glucose-alanine cycle provides ________.

#Question id: 1004

#Unit 1. Molecules and their Interaction Relevant to Biology

Which structure below is PRPP?