Which organism is not a consumer?
a. killer whale.
b. human.
c. bean plant.
d. fungus.
a
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What was produced by photosynthesis before the cyanobacterial lineage developed on Earth?
A) oxygen B) elemental sulfur C) ferrous iron D) hydrogen sulfide
In aerobic conditions, it takes ________ sugar to produce the same amount of ATP when compared to anaerobic conditions.
A. less B. more C. the same amount of
Why are we constantly warned to make sure that hamburger and other meats are cooked thoroughly?
What will be an ideal response?
Match the following terms with the correct definition
1. Portion of the antigen recognized by the immune system 2. Foreign molecules that are too small to elicit an immune response 3. These foreign materials elicit allergic responses 4. Antigen Binding site a. Haptens b. Epitope c. Allergen d. Paratope