Answer the following question given this paragraph: Electron affinity is the energy required for an electron to be added to a neutral atom in its gaseous form. Because most atoms release energy when an electron is added, most electron affinity values are negative. These values generally become more negative (more energy is released) as you move left to right across the table or from bottom to top. Q: What is the name for the energy required for an electron to be added to a neutral atom in its gaseous form? Choices: - mass affinity - neutron affinity - photon affinity - electron affinity A:
electron affinity
(Question)
Answer the following question given this paragraph: Reverse transcription is the transfer of information from RNA to DNA. The is the reverse of normal transcription. Reverse transcription occurs in retroviruses, such as HIV, the virus that causes AIDS. Retroviruses are RNA viruses that are duplicated in a host cell by using reverse transcriptase enzyme to produce DNA from its RNA genome. Q: What is the transfer of information from rna to dna called? Choices: - confront transcription - forward transcription - reverse differentiation - reverse transcription A:
(Answer)
reverse transcription
Ques: Answer the following question given this paragraph: Groundwater erodes rock beneath the ground surface. Limestone is a carbonate and is most easily eroded. Q: Groundwater does what to the rock beneath the ground surface? Choices: - accelerates it - creates it - boosts it - erodes it A:
Ans: erodes it
(Q).
Answer the following question given this paragraph: Chemistry is a branch of science. Although science itself is difficult to define exactly, the following definition can serve as starting point. Science is the process of knowing about the natural universe through observation and experiment. Science is not the only process of knowing (e. , the ancient Greeks simply sat and thought), but it has evolved over more than 350 years into the best process that humanity has devised to date to learn about the universe around us. The process of science is usually stated as the scientific method, which is rather naively described as follows: (1) state a hypothesis, (2) test the hypothesis, and (3) refine the hypothesis. Actually, however, the process is not that simple. (For example, I don't go into my lab every day and exclaim, "I am going to state a hypothesis today and spend the day testing it!") The process is not that simple because science and scientists have a body of knowledge that has already been identified as coming from the highest level of understanding, and most scientists build from that body of knowledge. An educated guess about how the natural universe works is called a hypothesis. A scientist who is familiar with how part of the natural universe workssay, a chemistis interested in furthering that knowledge. That person makes a reasonable guessa hypothesisthat is designed to see if the universe works in a new way as well. Here's an example of a hypothesis: "if I mix one part of hydrogen with one part of oxygen, I can make a substance that contains both elements. " Most good hypotheses are grounded in previously understood knowledge and represent a testable extension of that knowledge. The scientist then devises ways to test if that guess is or is not correct. That is, the scientist plans experiments. Experiments are tests of the natural Saylor URL: http://www. saylor. org/books. Q: Science is the process of knowing about the natural universe through observation and this? Choices: - Test - variation - experimental - experiment A:
(A).
experiment
Ques:Answer the following question given this paragraph: Junctions are areas between cells that either allow or prevent the movement of materials. Junctions are usually composed of numerous proteins, forming a large molecular complex. Gap junctions, desmosomes and tight junctions are three examples of junctions. Q: What are the areas between cells that either allow or prevent the movement of materials called? Choices: - sections - corners - receptors - junctions A:

Ans:junctions
Question: Answer the following question given this paragraph: One of the first uses of rockets in space was to launch satellites. A satellite is an object that orbits a larger object. An orbit is a circular or elliptical path around an object. Natural objects in orbit are called natural satellites. The Moon is a natural satellite. Human-made objects in orbit are called artificial satellites. There are more and more artificial satellites orbiting Earth all the time. They all get into space using some sort of rocket. Q: What is an object that orbits a larger object called? Choices: - asteroid - meteorite - comet - satellite A:
Answer:
satellite