Q: Blood flows into the kidney through which artery? Read this paragraph and choose the correct option from the provided answers: Blood flows into the kidney through the renal artery. The renal artery connects to capillaries inside the kidney. Capillaries and nephrons lie very close to each other in the kidney. Choices: - main artery - blood artery - pulminary artery - renal artery A:
renal artery

Q: What is the addition of oxygen to a molecule or the removal of hydrogen from a molecule called? Read this paragraph and choose the correct option from the provided answers: Oxidation can be defined as the addition of oxygen to a molecule or the removal of hydrogen from a molecule. When an alkane is heated in the presence of an appropriate catalyst, it can be oxidized to the corresponding alkene in a reaction called a dehydrogenation reaction. Two hydrogen atoms are removed in the process. The alkene can be further oxidized to an alkyne by the removal of two more hydrogen atoms. Choices: - precipitation - evaporation - ionization - oxidation A:
oxidation

Q: Red algae and green algae are the closest relatives of what? Read this paragraph and choose the correct option from the provided answers: 28.5 Red algae and green algae are the closest relatives of land plants. Choices: - transfer plants - arctic plants - water plants - land plants A:
land plants

Q: What are the names of foul-smelling amines, formed as a part of the decay process after death? Read this paragraph and choose the correct option from the provided answers: Neutral amines are weak bases, because the lone pair on nitrogen can act as a proton acceptor. Many smaller amines have very strong and offensive odors. For example, the aptly-named compounds cadaverine and putrescine are foul-smelling amines, formed as a part of the decay process after death. Choices: - formaldehyde and cadaverine - sulfur and formaldehyde - methane and sulfur - cadaverine and putrescine A:
cadaverine and putrescine