Answer the following question given this paragraph: Amines are weak bases due to the presence of a lone pair of electrons on the nitrogen atom. This lone pair can attract the hydrogen atom from a water molecule, causing the bond between it and the oxygen atom to break. The resultant products are the conjugate acid of the amine and the hydroxide ion. Q: Amines are weak bases due to the presence of a lone pair of what on the nitrogen atom? Choices: - protons - nuclei - atoms - electrons A:
electrons
Answer the following question given this paragraph: All metals except for mercury are solids at room temperature. Many metals are shiny, ductile, and malleable. Most are also good conductors of heat. Q: Which metal is not solid at room temperature? Choices: - silver - aluminum - titanium - mercury A:
mercury
Q: Answer the following question given this paragraph: At what population size does growth start to slow in the logistic model of growth? That depends on the population's carrying capacity (see Figure above ). The carrying capacity (K) is the largest population size that can be supported in an area without harming the environment. Population growth hits a ceiling at that size in the logistic growth model. Q: The largest population size that can be supported in an area without harming the environment is referred to as what? Choices: - population shift - containing capacity - population density - carrying capacity A:
A: carrying capacity
Question: Answer the following question given this paragraph: Scientists are using telescopes to search for other planets that may have conditions favorable for life. The places they can look are near our solar system in our galaxy. Q: What do scientists use to search other planets suitable for living? Choices: - optics - lasers - microscopes - telescopes A:
Answer: telescopes
*Question*
Answer the following question given this paragraph: Triglycerides are the main form of stored energy in animals. This type of lipid is commonly called fat. Triglycerides are composed of a glycerol and three fatty acid chains. An example is shown in Figure below . In humans, triglycerides are a mechanism for storing unused calories, and their high concentration in blood correlates with the consumption of excess starches and other carbohydrate-rich foods. Q: What stored form of energy is made up of glycerol and three fatty acid chains? Choices: - hydrocarbons - carbohydrates - particulates - triglycerides A:
**Answer**
triglycerides
(Question)
Answer the following question given this paragraph: Each muscle in the body is made up of cells called muscle fibers. Muscle fibers are long, thin cells that can do something that other cells cannot dothey are able to get shorter. Shortening of muscle fibers is called contraction . Muscle fibers can contract because they are made of proteins, called actin and myosin, that form long filaments (or fibers). When muscles contract, these protein filaments slide or glide past one another, shortening the length of the cell. When your muscles relax, the length extends back to the previous position. Nearly all movement in the body is the result of muscle contraction. Q: Shortening of muscle fibers is called what?' Choices: - diffusion - diffusion - shrinking - contraction A:
(Answer)
contraction