Answer the following question given this paragraph: The process in which an atom becomes an ion is called ionization. It may occur when atoms are exposed to high levels of radiation. The radiation may give their outer electrons enough energy to escape from the attraction of the positive nucleus. However, most ions form when atoms transfer electrons to or from other atoms or molecules. For example, sodium atoms may transfer electrons to chlorine atoms. This forms positive sodium ions (Na + ) and negative chloride ions (Cl - ). You can see an animation of this process at the URL below. Q: What is the process in which an atom becomes an ion known as? Choices: - electrification - evaporation - oxidation - ionization A:
ionization
(Question)
Answer the following question given this paragraph: The electrochemical potential across a membrane determines the tendency of an ion to cross the membrane. The membrane may be that of a cell or organelle or other sub cellular compartment. The electrochemical potential arises from three factors:. Q: The electrochemical potential across a membrane determines the tendency of an ion to do what? Choices: - attach to the membrane - move away from the membrane - destroy the membrane - cross the membrane A:
(Answer)
cross the membrane
Ques: Answer the following question given this paragraph: Virtually all animals have internal digestion of food. Animals consume other organisms and may use special tissues and organs to digest them. (Other heterotrophs, such as fungi, absorb nutrients directly from the environment. ). Q: What sort of digestion do animals engage in? Choices: - external - essential - poison - internal A:
Ans: internal
(Q).
Answer the following question given this paragraph: The umbra is the part of the shadow in which light is completely blocked. Q: The part of the shadow in which light is completely blocked is called what? Choices: - penumbra - eclipse - corona - umbra A:
(A).
umbra
Ques:Answer the following question given this paragraph: Ionic compounds are named for their positive metal ion first, followed by their negative nonmetal ion. Q: What kind of compounds are named for their positive metal ion first, followed by their negative nonmetal ion? Choices: - horizontal compounds - magnetic compounds - magnetic compounds - ionic compounds A:

Ans:ionic compounds
Question: Answer the following question given this paragraph: 9.2 | Fibrous Joints By the end of this section, you will be able to: Describe the structural features of fibrous joints Distinguish between a suture, syndesmosis, and gomphosis Give an example of each type of fibrous joint At a fibrous joint, the adjacent bones are directly connected to each other by fibrous connective tissue, and thus the bones do not have a joint cavity between them (Figure 9.5). The gap between the bones may be narrow or wide. There are three types of fibrous joints. A suture is the narrow fibrous joint found between most bones of the skull. At a syndesmosis joint, the bones are more widely separated but are held together by a narrow band of fibrous connective tissue called a ligament or a wide sheet of connective tissue called an interosseous membrane. This type of fibrous joint is found between the shaft regions of the long bones in the forearm and in the leg. Lastly, a gomphosis is the narrow fibrous joint between the roots of a tooth and the bony socket in the jaw into which the tooth fits. Q: What type of fibrous joint is found between most bones of the skull? Choices: - lobiture - aperture - trecature - suture A:
Answer:
suture