Answer the following question given this paragraph: Q: Which factor often changes a protein from an inactive form to an active form? Choices: - oxygen groups addition - lipid groups addition - nitrogen groups addition - phosphate groups addition A:
phosphate groups addition
Answer the following question given this paragraph: Viruses cause many human diseases. In addition to the diseases mentioned above, viruses cause rabies, measles, diarrheal diseases, hepatitis, polio, and cold sores (see Figure below ). Viral diseases range from mild to fatal. One way viruses cause disease is by causing host cells to burst open and die. Viruses may also cause disease without killing host cells. They may cause illness by disrupting homeostasis in host cells. Q: What cause rabies, measles, diarrheal diseases, hepatitis, polio, and cold sores? Choices: - parasites - bacteria - contaminants - viruses A:
viruses
Q: Answer the following question given this paragraph: Coal is a black or brownish-black rock that burns easily ( Figure below ). Most coal is sedimentary rock. The hardest type of coal, anthracite, is a metamorphic rock. That is because it is exposed to higher temperature and pressure as it forms. Coal is mostly carbon, but some other elements can be found in coal, including sulfur. Q: What element makes up the majority of coal? Choices: - iron - lead - silicon - carbon A:
A: carbon
Question: Answer the following question given this paragraph: Symbiosis is a close relationship between two species in which at least one species benefits. Types of symbiosis include mutualism, parasitism, and commensalism. Q: What is the term for a close relationship between two species in which at least one species benefits. Choices: - extosis - candiasis - endosymbiosis - symbiosis A:
Answer: symbiosis
*Question*
Answer the following question given this paragraph: Types of compounds include covalent and ionic compounds. They differ in the nature of the bonds that hold their atoms or ions together. Q: Types of compounds include covalent and which other compounds? Choices: - reactant - soluble - solvent - ionic A:
**Answer**
ionic
(Question)
Answer the following question given this paragraph: With logistic growth, the population starts out growing slowly, and then the rate of growth increasesbut only to a point. The rate of growth tapers off as the population size approaches its carrying capacity. Carrying capacity is the largest population size that can be supported in an area without harming the environment. This type of growth characterizes many populations. Q: With logistic growth, how does population growth start out? Choices: - exponentially - rapidly - steadily - slowly A:
(Answer)
slowly