Answer the following question given this paragraph: Intraspecific competition occurs between members of the same species. For example, two male deer may compete for mates by clashing their antlers together. Q: What type of competition occurs between members of the same species? Choices: - exospecies - interspecies - interspecific - intraspecific A:
intraspecific
(Question)
Answer the following question given this paragraph: For a given substance, the entropy of the liquid state is greater than the entropy of the solid state. Likewise, the entropy of the gas is greater than the entropy of the liquid. Therefore, entropy increases in processes in which solid or liquid reactants form gaseous products. Entropy also increases when solid reactants form liquid products. Q: What increases in processes in which solid or liquid reactants form gaseous products and when solid reactants form liquid products? Choices: - evaporation - glucose - respiration - entropy A:
(Answer)
entropy
Ques: Answer the following question given this paragraph: Biomass is the mass of biological organisms. It is usually used to describe the amount of organic matter in a trophic level of an ecosystem. Biomass production involves using organic matter ("biomass") from plants to create electricity. Using corn to make ethanol fuel is an example of biomass generated energy. Biomass is generally renewable. Q: Biomass is the mass of biological what? Choices: - tissues - proteins - lipids - organisms A:
Ans: organisms
(Q).
Answer the following question given this paragraph: An amide can be formed by combining a carboxylic acid and an amine. Only primary and secondary amines can be used to form amides, since they have a hydrogen that can be replaced with the carbonyl carbon; tertiary amines will not form amides. The amide shown in the Figure above was formed from a carboxylic acid and a primary amine. Q: What can be combined with an amine to form an amide? Choices: - carbon dioxide - ketones - acetic acid - carboxylic acid A:
(A).
carboxylic acid
Ques:Answer the following question given this paragraph: 37.2 | How Hormones Work By the end of this section, you will be able to: Explain how hormones work Discuss the role of different types of hormone receptors Hormones mediate changes in target cells by binding to specific hormone receptors. In this way, even though hormones circulate throughout the body and come into contact with many different cell types, they only affect cells that possess the necessary receptors. Receptors for a specific hormone may be found on many different cells or may be limited to a small number of specialized cells. For example, thyroid hormones act on many different tissue types, stimulating metabolic activity throughout the body. Cells can have many receptors for the same hormone but often also possess receptors for different types of hormones. The number of receptors that respond to a hormone determines the cell's sensitivity to that hormone, and the resulting cellular response. Additionally, the number of receptors that respond to a hormone can change over time, resulting in increased or decreased cell sensitivity. In up-regulation, the number of receptors increases in response to rising hormone levels, making the cell more sensitive to the hormone and allowing for more cellular activity. When the number of receptors decreases in response to rising hormone levels, called down-regulation, cellular activity is reduced. Receptor binding alters cellular activity and results in an increase or decrease in normal body processes. Depending on the location of the protein receptor on the target cell and the chemical structure of the hormone, hormones can mediate changes directly by binding to intracellular hormone receptors and modulating gene transcription, or indirectly by binding to cell surface receptors and stimulating signaling pathways. Q: What biochemicals mediate changes in target cells by binding to specific receptors? Choices: - amino acids - acids - enzymes - hormones A:

Ans:hormones
Question: Answer the following question given this paragraph: Water is the most common substance on Earth, and most of it exists in the liquid state. A liquid is one of four well-known states of matter, along with solid, gas, and plasma states. The particles of liquids are in close contact with each other but not as tightly packed as the particles in solids. The particles can slip past one another and take the shape of their container. However, they cannot pull apart and spread out to take the volume of their container, as particles of a gas can. If the volume of a liquid is less than the volume of its container, the top surface of the liquid will be exposed to the air, like the vinegar in the bottle pictured in the Figure below . Q: The most common substance on earth, water, is primarily present in what state? Choices: - gas - solid - freshwater - liquid A:
Answer:
liquid