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BISC104 Study Guide 1

by: mtraub

BISC104 Study Guide 1 BISC104

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About this Document

This study guide gives sample questions covering material from chapters 1-3.
Principles of Biology with Laboratory
Dr. Patricia Walsh
Study Guide
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This 4 page Study Guide was uploaded by mtraub on Wednesday September 21, 2016. The Study Guide belongs to BISC104 at University of Delaware taught by Dr. Patricia Walsh in Fall 2016. Since its upload, it has received 9 views.


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Date Created: 09/21/16
1. What determines the types of chemical reactions that an atom participates in? A. the number of electrons in the outermost electron shell B. its atomic number C. the number of electrons in the innermost electron shell D. its atomic mass 2. The innermost electron shell of an atom can hold up to _____ electrons 3. A(n) ______ refers to two or more atoms held together by covalent bonds 4. The unequal sharing of electrons within a water molecule makes the water molecule ______. 5. What is the tendency of an atom to pull electrons toward itself? A. tonicity B. covalency C. polarity D. electronegativity 6. True or false: When water dissolves table salt (NaCl), the NA+ ions from the salt are attracted to the hydrogen atoms in the water molecule. 7. What class of biological macromolecules are typically hydrophobic? A. carbohydrates B. proteins C. nucleic acids D. lipids 8. An amino acid is to a protein as A. a steroid is to a lipid B. RNA is to a nucleotide C. a glucose molecule is to a polysaccharide D. fatty acid is to a nucleic acid E. cellulose is to a cell wall 9. What are the components of a fat? 10. True or false: The main function of carbohydrates in a cell is to provide energy for daily activities. 11. Hydrocarbons always contains one or more atoms of which elements? A. hydrogen, carbon, and oxygen B. carbon and hydrogen C. carbon and oxygen D. carbon and nitrogen 12. Which type of chemical bond joins adjacent nucleotides along the length of a strand of DNA? 13. Which of the following gives each different amino acid its distinctive chemical properties? A. peptide bond B. carboxyl group C. side group D. amino acid 14. Which macromolecules make up the plasma membrane? 15. What would you call the substances that donate protons (H+) to a solution? A. acids B. bases 16. DNA is a type of nucleic acid in living organisms. Which of the following statements about DNA is true? A. DNA is composed of polymers of sugar monomers called polysaccharides B. the nitrogenous base in DNA, cytosine, is complementary to the nitrogenous base guanine C. the rungs of a DNA double helix are composed of complementary base pairs he'd together by covalent bonds D. the sides of the DNA double helix are composed of a sugar-protein backbone 17. Which function can be performed by the amino acids obtained from the breakdown of meats? A. producing ATP B. building membranes C. building molecules to store energy D. building enzymes 18. Which cell component is found in plant cells but not in animal cells? A. central vacuole B. lysosome C. mitochondrion D. Golgi apparatus E. cytoskeleton 19. Which cell component is unbolted in the breakdown of substances in cells? A. ribosomes B. lysosomes C. centrioles D. mitochondria 20. Which cell component could be considered the distribution center of the cell? 21. True or False: Ribosomes are produced by the rough endoplasmic reticulum. 22. Which cell structure helps to move chromosomes during cell division? 23. True or False: Smooth endoplasmic reticulum is involved in lipid synthesis. 24. Which organelle is found in plant cells but not in animal cells? A. Golgi apparatus B. chloroplast C. mitochondrion D. nucleus 25. Proteins are polymers of A. fatty acids B. nucleic acids C. amino acids D. nucleotides 26. Every organs scientists have ever studied is composed of cells. Based on these specific observations scientists have reached the general conclusion that all organisms are made of cells. This is an example of __________. 27. The ability of cancer cells to move to distant sites and start new tumors there is called ____. 28. A proto-oncogene that is functioning normally will ____________. 29. Which of the following is not a monomer? A. amino acids B. disaccharide C. monosaccharide D. nucleotide 30. True or false: Eukaryotic cells are larger than prokaryotic cells. 
 1. A 2. 2 3. molecule 4. polar 5. D 6. False 7. D 8. C 9. a glycerol molecule with three fatty acid tails 10.True 11.B 12.covalent bond 13.C 14.lipids, proteins, and carbohydrates 15.A 16.B 17.D 18.A 19.B 20.Golgi apparatus 21.False 22.centrioles 23.True 24.B 25.C 26.inductive reasoning 27.metastasis 28.stimulate the cell cycle 29.B 30.True


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