Answer the following question given this paragraph: Coronary Arteries Coronary arteries supply blood to the myocardium and other components of the heart. The first portion of the aorta after it arises from the left ventricle gives rise to the coronary arteries. There are three dilations in the wall of the aorta just superior to the aortic semilunar valve. Two of these, the left posterior aortic sinus and anterior aortic sinus, give rise to the left and right coronary arteries, respectively. The third sinus, the right posterior aortic sinus, typically does not give rise to a vessel. Coronary vessel branches that remain on the surface of the artery and follow the sulci are called epicardial coronary arteries. The left coronary artery distributes blood to the left side of the heart, the left atrium and ventricle, and the interventricular septum. The circumflex artery arises from the left coronary artery and follows the coronary sulcus to the left. Eventually, it will fuse with the small branches of the right coronary artery. The larger anterior interventricular artery, also known as the left anterior descending artery (LAD), is the second major branch arising from the left coronary artery. It follows the anterior interventricular sulcus around the pulmonary trunk. Along the way it gives rise to numerous smaller branches that interconnect with the branches of the posterior interventricular artery, forming anastomoses. An anastomosis is an area where vessels unite to form interconnections that normally allow blood to circulate to a region even if there may be partial. Q: What vessels supply blood to the myocardium and other components of the heart? Choices: - specialized arteries - rapid arteries - surface arteries - coronary arteries A:
coronary arteries
(Question)
Answer the following question given this paragraph: Condensation occurs in your cells constantly. It occurs in the form of a chemical reaction. These condensation reactions involve the formation of a water molecule from two other molecules. Water forms when two molecules, such as amino acids or monosaccharides, are joined together. The amino acids join together to form peptides (or polypeptides or proteins) and the monosaccharides join together to form disaccharides or polysaccharides. Q: How often does condensation occur in your cells? Choices: - weekly - daily - never - constantly A:
(Answer)
constantly
Ques: Answer the following question given this paragraph: If evolution can take a very long time, how can we visualize how it happens? Charles Darwin came up with the idea of an evolutionary tree to represent the relationships between different species and their common ancestors ( Figure below ). The base of the tree represents the ancient ancestors of all life. The separation into large branches shows where these original species evolved into new species. Q: Who created the idea of an evolutionary tree to represent the relationships between different species and their common ancestors? Choices: - Carl Sagan - Scopes - Isaac Newton - charles darwin A:
Ans: charles darwin
(Q).
Answer the following question given this paragraph: Chromosomes are coiled structures made of DNA and proteins. They form after DNA replicates and are the form in which the genetic material goes through cell division. Chromosomes contain genes, which code for proteins. Q: What do we call coiled structures made of dna and proteins? Choices: - nodes - Organisms - Molecules - chromosomes A:
(A).
chromosomes
Ques:Answer the following question given this paragraph: All snakes are strictly carnivorous, eating small animals including lizards, other snakes, small mammals, birds, eggs, fish, snails, or insects. Because snakes cannot bite or tear their food to pieces, prey must be swallowed whole. Therefore, the body size of a snake has a major influence on its eating habits. A snake can usually estimate in advance if a prey is too large. Q: Snakes are which type of animal? Choices: - vegivors - omnivores - herbivorous - carnivorous A:

Ans:carnivorous
Answer the following question given this paragraph: U-235 nuclei can capture neutrons and disintegrate more efficiently if the neutrons are moving slower than the speed at which they are released. Fission reactors use a moderator surrounding the fuel rods to slow down the neutrons. Water is not only a good coolant but also a good moderator, so a common type of fission reactor has the fuel core submerged in a huge pool of water. This type of reactor is called a light water reactor or LWR. All public electricity generating fission reactors in the United States are LWRs. Q: What do fission reactors use to slow down the neutrons? Choices: - inertia - brake - control - moderator A:
moderator