Answer the following question given this paragraph: Q: What is the only commercial way of reproducing plants such as orchids? Choices: - sexual reproduction - cross-breeding - grafting - cloning A:
cloning
------
Answer the following question given this paragraph: In glycolysis, glucose is split into two molecules of pyruvate. This results in a net gain of two ATP molecules. Q: In glycolysis, glucose is split into two molecules of pyruvate. this results in a net gain of? Choices: - four atp molecules - six atp molecules - three atp molecules - two atp molecules A:
two atp molecules
------
Answer the following question given this paragraph: Figure 8.15 A photosystem consists of a light-harvesting complex and a reaction center. Pigments in the lightharvesting complex pass light energy to two special chlorophyll a molecules in the reaction center. The light excites an electron from the chlorophyll a pair, which passes to the primary electron acceptor. The excited electron must then be replaced. In (a) photosystem II, the electron comes from the splitting of water, which releases oxygen as a waste product. In (b) photosystem I, the electron comes from the chloroplast electron transport chain discussed below. Q: In a photosystem, pigments in the light-harvesting complex pass light energy to two special molecules of what in the reaction center? Choices: - calcium - carbonate - nutrient - chlorophyll A:
chlorophyll
------
Answer the following question given this paragraph: DNA is located in the nucleus. Proteins are made on ribosomes in the cytoplasm. Remember that information in a gene is converted into mRNA , which carries the information to the ribosome. In the nucleus, mRNA is created by using the DNA in a gene as a template. A template is a model provided for others to copy. Q: What are made on ribosomes in the cytoplasm? Choices: - lipids - cells - enzymes - proteins A:
proteins
------