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Q1. Oxaloacetate uniformly labeled with 14C (equal amounts of 14C in each of its carbon atoms) is condensed with unlabeled acetyl CoA. After a single pass through the citric acid cycle back to oxaloacetate, what fraction of the original radioactivity will be finding in oxaloacetate? Q2. Atherosclerosis is the progressive […]

1. flatworms are the first organism we have discussed with an anterior posterior orientation how does this affect their movements compared to the movement of more primitive organisms 2. What are the disadvantages of a flatworm’s digestive system having only one opening 3. the complete digestive tract of nematodes and […]

Q1. The photosystem channels the excitation energy gathered by absorption of light by any one of the pigment molecules to a specific “reaction center chlorophyll,” which in turn passes the energy to? Q2. With an iodine research that is tested on a potato, rice, an amber liquid, and clear liquid, […]

Imagine you are an ecologist, and you do a census of all of the animal species within a particular ecosystem. You discover that the total combined populations of the tertiary consumer species in the ecosystem are a lot smaller than the combined total population sizes of all of the secondary […]