input: OPTIONS:
- output
- potential
- inertia
- efficiency Now, answer this question: Answer the following question given this paragraph: ; The efficiency equals the output power divided by the input power. Q: What equals the output power divided by the input power? A:
A:
output: efficiency

Answer the following question given this paragraph: Amino acids connect together like beads on a necklace. MET, ASN, TRP, and GLN refer to four different amino acids. Q: Met, asn, trp, and gln connect together like beads on a necklace and are an example of what type of acids? A:

OPTIONS:
- polymer acids
- organism acids
- peptic acids
- amino acids

Answer: amino acids

Problem: OPTIONS:
- guardian
- initial
- parent
- host
Q: Answer the following question given this paragraph: Introduction The environment consists of numerous pathogens, which are agents, usually microorganisms, that cause diseases in their hosts. A host is the organism that is invaded and often harmed by a pathogen. Pathogens include bacteria, protists, fungi and other infectious organisms. We are constantly exposed to pathogens in food and water, on surfaces, and in the air. Mammalian immune systems evolved for protection from such pathogens; they are composed of an extremely diverse array of specialized cells and soluble molecules that coordinate a rapid and flexible defense system capable of providing protection from a majority of these disease agents. Components of the immune system constantly search the body for signs of pathogens. When pathogens are found, immune factors are mobilized to the site of an infection. The immune factors identify the nature of the pathogen, strengthen the corresponding cells and molecules to combat it efficiently, and then halt the immune response after the infection is cleared to avoid unnecessary host cell damage. The immune system can remember pathogens to which it has been exposed to create a more efficient response upon re-exposure. This memory can last several decades. Features of the immune system, such as pathogen identification, specific response, amplification, retreat, and remembrance are essential for survival against pathogens. The immune response can be classified as either innate or active. The innate immune response is always present and attempts to defend against all pathogens rather than focusing on specific ones. Conversely, the adaptive immune response stores information about past infections and mounts pathogen-specific defenses. Q: What term is used to describe the organism that is invaded and often harmed by a pathogen? A:
Answer: host

Problem:OPTIONS:
- necessary interference
- non-interference
- spontaneous interference
- constructive interference

Answer the following question given this paragraph: To understand the double slit interference pattern, we consider how two waves travel from the slits to the screen, as illustrated in Figure 27.13. Each slit is a different distance from a given point on the screen. Thus different numbers of wavelengths fit into each path. Waves start out from the slits in phase (crest to crest), but they may end up out of phase (crest to trough) at the screen if the paths differ in length by half a wavelength, interfering destructively as shown in Figure 27.13(a). If the paths differ by a whole wavelength, then the waves arrive in phase (crest to crest) at the screen, interfering constructively as shown in. Q: What kind of interference is observed when the paths differ by a whole wavelength, and the waves arrive in phase? A:
****
A: constructive interference

Answer the following question given this paragraph: Q: What type of particles can a beta particle be? A:
OPTIONS:
- diode or positron
- cytoplasm or positron
- anode or positron
- electron or positron
electron or positron

Answer the following question given this paragraph: 8.5 End-of-Chapter Material Chapter Summary To ensure that you understand the material in this chapter, you should review the meanings of the following bold terms in the following summary and ask yourself how they relate to the topics in the chapter. A phase is a certain form of matter that has the same physical properties throughout. Three phases are common: the solid, the liquid, and the gas phase. What determines the phase of a substance? Generally, the strength of the intermolecular interactions determines whether a substance is a solid, liquid, or gas under any particular conditions. Covalent network bonding is a very strong form of intermolecular interaction. Diamond is one example of a substance that has this intermolecular interaction. Ionic interactions, the forces of attraction due to oppositely charged ions, are also relatively strong. Covalent bonds are another type of interaction within molecules, but if the bonds are polar covalent bonds, then the unequal sharing of electrons can cause charge imbalances within molecules that cause interactions between molecules. These molecules are described as polar, and these interactions are called dipole-dipole interactions. A certain rather strong type of dipole-dipole interaction, involving a hydrogen atom, is called hydrogen bonding. On the other hand, equal sharing of electrons forms nonpolar covalent bonds, and the interactions between different molecules is less because the molecules are nonpolar. All substances have very weak dispersion forces (also called London forces) caused by the movement of electrons within the bonds themselves. In the solid phase, intermolecular interactions are so strong that they hold the individual atoms or molecules in place. In many solids, the regular three-dimensional arrangement of particles makes a crystal. In other solids, the irregular arrangement of particles makes an amorphous solid. In liquids, the intermolecular interactions are Saylor URL: http://www. saylor. org/books. Q: What is the term for a certain form of matter that has the same physical properties throughout? A:
OPTIONS:
- balance
- wave
- structure
- phase

Answer:
phase