Liberty University_BIOL 102/ Fall 2021 BIOL102 LUO quiz 1; Science and Chemistry of Life

Review Test Submission: Quiz: Science and Chemistry of Life Course Fall 2021 BIOL 102 LUO Test Quiz: Science and Chemistry of Life Attempt Score 21/23 • Question 1 A protein combined with cholesterol in the blood is an example of a(n) . • Question 2 The heart muscle belongs to which group? • Question 3 Which feature of life is the ability to maintain a stable internal state? • Question 4 Atoms or clusters of atoms that are covalently bonded to carbon and influence the behavior of organic compounds are known as . • Question 5 The atomic number denotes the number of in an atom of a particular element. • Question 6 The most basic level of organization is the . • Question 7 Animals store carbohydrates in the form of . • Question 8 Which element is not one of the four most common elements found in organisms? • Question 9 A protein inside cells that speeds up the rate of a chemical reaction is a(n) . • Question 10 The bonding of two or more atoms creates a(n) . • Question 11 What fat is the building block for cell membranes? • Question 12 The most abundant lipids in the body are . • Question 13 Which of the following is composed of a 1:2:1 ratio of carbon to hydrogen to oxygen? • Question 14 Which carbohydrate, found only in plants, is indigestible by humans? • Question 15 What level of protein structure is associated with the folding of coils and sheets to form a hollow region through which substances can move into and out of cells? • Question 16 Homeostasis refers to . • Question 17 During a synthesis reaction, glucose and fructose combine to form . • Question 18 Which protein binds and releases oxygen molecules? • Question 20 Radioisotopes . • Question 21 Covalent bonds . • Question 22 A substance that gives up an electron to a free radical is a(n) . • Question 23 Which type of bond is responsible for the linking together of atoms within a water molecule? • Question 24 Needs Grading Explain the difference between historical and experimental science N/A • Question 25 Needs Grading According to our text, why are radioisotopes useful as a tracer to find cancer? N/A