Ashworth College BIOLOGY 1 bio 1. Exam Q&A. 100% Score

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Ashworth College BIOLOGY 1 bio 1 How many oxygen atoms are in the products of the following reaction? C6H12O6 + 6 H2O + 6 O2 → 6 CO2 + 12 H2O · A. 18 · B. 6 · C. 12 · D. 24 Quest... ion 2 of 20 0.0/ 5.0 Points Which of these is required for natural selection to occur? · A. Inheritance · B. Unequal reproductive success · C. Individual variation · D. All of the above Question 3 of 20 5.0/ 5.0 Points __________ is an example of an element. · A. Water · B. Carbon · C. Glucose · D. Salt Question 4 of 20 5.0/ 5.0 Points Beryllium's atomic mass is 9 and its atomic number is 4. How many neutrons are found in a beryllium atom? · A. 9 · B. 13 · C. 4 · D. 5 Question 5 of 20 5.0/ 5.0 Points In the following reaction, what type of bond is holding the two atoms together? K + Cl → K+ + Cl- → KCl · A. Hydrophilic · B. Ionic · C. Hydrophobic · D. Covalent Question 6 of 20 5.0/ 5.0 Points People with lactose intolerance do not have enough: · A. galactose. · B. lactase. · C. glucose. · D. fructose. Question 7 of 20 5.0/ 5.0 Points Which of the following is NOT recycled but is lost from ecosystems? · A. Nitrogen · B. Energy · C. Magnesium · D. Carbon Question 8 of 20 5.0/ 5.0 Points Humans are composed of __________ cells. · A. bacterial · B. eukaryotic · C. plant · D. prokaryotic Question 9 of 20 5.0/ 5.0 Points A glycerol with three fatty acids attached is referred to as a: · A. prostaglandin. · B. nucleic acid. · C. enzyme. · D. fat. Question 10 of 20 5.0/ 5.0 Points Taxonomy is the: · A. study of cells. · B. naming and classifying of organisms. · C. study of organisms and their interaction with the environment. · D. study of genes. Question 11 of 20 5.0/ 5.0 Points A fat that is hydrogenated is: · A. more unsaturated. · B. easier to digest. · C. more solid. · D. less likely to cause strokes. Question 12 of 20 5.0/ 5.0 Points In what way(s) is the science of biology influencing and changing our culture? · A. By helping us understand the relevance of evolution to human health · B. By revealing how mutations in genes can lead to disease · C. By providing new tools for forensic investigations · D. All of the above Question 13 of 20 5.0/ 5.0 Points Which of the following is water hydrophilic? · A. Cellulose · B. Testosterone · C. Butter · D. Cholesterol Question 14 of 20 5.0/ 5.0 Points What is the name given to the reaction that breaks peptide bonds? · A. Dehydration reaction · B. Hydrogenation · C. Hydrolysis · D. Denaturation Question 15 of 20 5.0/ 5.0 Points An atom with an electrical charge is a(n): · A. isotope. · B. molecule. · C. ion. · D. compound. Question 16 of 20 0.0/ 5.0 Points The following molecule is best described as a: CH3—CH2—CH2—CH2 · A. protein. · B. carbohydrate. · C. hydrocarbon. · D. lipid. Question 17 of 20 5.0/ 5.0 Points Which of the following is NOT a property of life? · A. Populations of organisms do not evolve over time. · B. Living things exhibit complex but ordered organization. · C. Organisms take in energy and use it to perform all of life's activities. · D. Organisms reproduce their own kind. Question 18 of 20 0.0/ 5.0 Points The model on the left is not realistic in that: · A. neutrons are not located in the nucleus. · B. the electrons should be much farther away from the nucleus. · C. electrons do not orbit the nucleus in a ring shape. · D. electrons do not have a negative charge. Question 19 of 20 5.0/ 5.0 Points Sugar dissolves when stirred in water. The sugar is the __________, the water is the __________, and the sweetened water is the __________. · A. solution; solvent; solute · B. solute; solvent; solution · C. solvent; solute; solution · D. solution; solute; solvent Question 20 of 20 5.0/ 5.0 Points Sometimes when I have my morning coffee, which I drink black with no sugar, I notice a thin film floating on top of the coffee. Since I have just read Chapter 3 of the text, I now realize the nature of this substance and so I run to my friend screaming, "Look at this __________ in my coffee!" · A. hydrophilic substance · B. hydrophobic substance · C. glucose · D. nucleotide [Show More]

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