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explanations of the first study guide

by: Brooke Martin

explanations of the first study guide Biology 2107

Marketplace > Georgia State University > Biology > Biology 2107 > explanations of the first study guide
Brooke Martin
GPA 3.9

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About this Document

i go through each question and explain why each answer is wrong/right
Principles of Biology
Eric Gilbert
Study Guide
Biology, GSU, study, guide
50 ?




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This 7 page Study Guide was uploaded by Brooke Martin on Friday January 29, 2016. The Study Guide belongs to Biology 2107 at Georgia State University taught by Eric Gilbert in Spring 2016. Since its upload, it has received 65 views. For similar materials see Principles of Biology in Biology at Georgia State University.


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Date Created: 01/29/16
Brooke martin Biology Gilbert January 29, 2016 Study Guide Test 1 EXPLINATIONS 1. DNA is composed of ________ that are bounded by _________________ bonds a. Nucleic acids, peptide bonds B. WRONG b. Amino acids, phosphodiester bonds B. WRONG c. Amino acid, peptide bonds B. Proteins are composed of amino acids bound by peptide bonds d. Nucleic acid, phosphodiester bonds B. correct 2. A sugar plus a base is the composition of a: A. Nucleotide a. Sugar + base + phosphate group B. Phosphodiester bond a. What links nucleotides together C. Nucleoside a. correct D. Peptide bond a. what binds amino acids together 3. Nucleotides are composed of __________, ____________, and ________________ A. Adenine, guanine, and cytosine a. Bases of nucleotides in DNA B. Sugar, phosphate, and a base a. correct C. Guanine, uracil, cytosine a. Bases of nucleotides in RNA D. Amino group, side chain, and carboxyl group a. What amino acids are composed of 4. A, G, C, and T are bases. Which pair together? a. AG &CT B. wrong b. GC &AT B. correct c. AC& AT B. A can only pair with T d. AC &GT B. C can only pair with G 5. Topoisomerase, base stacking, and antiparallel are three components of DNA. Explain each a. Topoisomerase causes super coiling. Base stacking is where the nonpolar end of the base tends to group away from water molecules. Antiparallel refers to how the double helix runs in opposite directions. b. Topoisomerase refers to how the double helix runs in opposite directions. Base stacking causes super coiling. Antiparallel is where the nonpolar end of the base tends to group away from water molecules. c. Topoisomerase is where the nonpolar end of the base tends to group away from water molecules. Base stacking refers to how the double helix runs in opposite directions. Antiparallel causes super coiling. d. None of the above 6. Name the four groups of the amino acid structure? a. Side chain, H atom, amino group, and the carboxyl group B. H atom is not considered a group/missing alpha carbon b. Amino group, carboxyl group, the side chain and the alpha carbon B. correct c. Amine group, hydroxyl group, side chain, and alpha carbon B. There is not a hydroxyl group in an amino acid d. Phosphate group, 5 carbon sugar, a base, and an ionized hydroxyl group B. Nucleotide groups 7. Which one of the following is a hydrophobic? a. Glycine B. small b. Valine B. correct c. Lysine B. basic d. Serine B. hydrophillic 8. What does a peptide bond consist of? a. The sharing of elections B. covalent b. Links liner polymer of nucleotides B. phosphodiester c. The bond present between A&T, and C&G B. H bond d. Holds together a few hundred amino acids to form a protein B. correct 9. Which protein structure determines the way the protein folds? a. Primary B. correct b. Secondary B. Stabilized by H bonding c. Tertiary B. 3D shape and function of protein d. Quaternary B. Interactions of polypeptide subunits 10.What are the two major steps of replication DNA? a. Protein synthesis and ribosome B. Protein synth happens in the ribosome b. Tertiary and Transcription B. Protein structure and 50% correct c. Transcription and Translation B. correct d. Translation and Tertiary B. 50% correct and protein structure 11.What are the three types of RNA? a. rRNA, sRNA, tRNA b. mRNA, tRNA, rRNA c. tRNA, nRNA, eRNA d. pRNA, dRNA, aRNA 12.Which of the following is not true of DNA? a. Subunits called nucleosides B. Nucleoside is missing the phosphate group b. Is a double helix c. Is linear d. Has polarity 13.Transcription starts at __________ and ends at_________________. a. Codon, anticodon B. A codon is a sequence of three nucleotides that corresponds with a specific amino acid and carry amino acid to amino acid site b. Promoter, terminator B. correct c. Aminoacyl, exit site B. Where translation starts and ends in the ribosome d. DNA, protein B. DNA makes proteins via central dogma 14.Transcriptional activator protein is not responsible for? a. Binds to specific DNA sequence b. Recruits mediator complex c. Binds to enhancers d. Interacts with Pol II B. The mediator complex is responsible for interactions for Pol II 15.Which of the following is not a functional group for sugar? a. Carboxyl B. Fats and amino acids b. Aldehyde c. Ketone d. Alcohol 16.Amino acids are to proteins as nucleic acids are to __________ and lipids are to __________. a. RNA, sugars b. DNA, cell membranes c. mRNA, rRNA d. amino group, carboxyl group 17.What is the RNA code for the following: ACG GGC TAT ATA GCT TAG a. TGC CCG ATA TAT CGA ATC B. Should be no T b. UGC CCG AUA UAU CGA AUG B. correct c. CAT TTA GCG CGC TAG GCT B. Should be no T d. None of the above 18.Where does RNA polymerase like to bind? a. Reading frame B. Where translation begins b. Ribosomes B. Where translation occurs c. Codon B. Nucleotides that correspond to an amino acid d. Promoter region B. correct 19.T or F: two molecules bound together are called an atom? a. True b. False B. Two atoms bound together are called molecules 20.Order the three types of bonds from weakest to strongest. a. Hydrogen < covalent < ionic B. A hydrogen bond is around 2% as strong as the average covalent bond. Ionic is the strongest because there is a complete transfer of electrons rather than sharing like covalent. b. Covalent < hydrogen < ionic c. Hydrogen < ionic < covalent d. Ionic < covalent < hydrogen 21.Term for water loving is ________ and for water fearing is ____________ a. Phallic, phobic b. Hydrophobic, hydrophobic c. Hydrophilic, hydrophobic d. Hydrophobic, hydrophilic 22.How many bonds is the carbon atom capable of forming? a. 1 b. 2 c. 3 d. 4 23.The shape of a carbon with four single bonds? a. Bent b. Tetracycline c. Tetrahedron d. Diprymidial 24.Water is a: a. Solvent b. Polar c. Cohesive d. All of the above 25.Which of the following contains a covalent bond a. NaCl B. ionic b. H2O2 B. hydrogen c. Mg2Cl2 B. ionic d. NO3 B. covalent 26.Adenine and Guanine are bound by: a. Ionic bonds b. Covalent bonds c. Hydrogen bonds d. Polar bonds 27.What structure determines the function of a protein? a. Primary B. Determine how a protein folds b. Secondary B. polypeptide c. Tertiary B. Determine function d. Quaternary B. Multiple tertiary structures Use the following passage for 28 and 29. Mildred wanted to conduct an experiment to test which class of biomolecules could pass through a semipermeable membrane. To do this, she put water in one dialysis bag and carbohydrates, lipids, fats and starch in another. After weighing each bag, she placed the bags separate beakers filled with water and periodically reweighed the bags every 15 minutes. 28.What is the independent variable in the experiment? a. Concentration of biomolecules in the water b. the dialysis bag, the beaker B. do not change-dependent c. the water B. no specific enough d. Mildred B. An independent woman who don’t need no man but not the answer 29.What is the dependent variable in the experiment? a. Concentration of biomolecules in the water B. Its what we are testing to see a change in b. The dialysis bag, the water B. No change c. The water B. nope d. Mildred B. Emotionally dependent on icecream but not the answer 30.Which of the following is not a characteristic of living things? a. Homeostasis b. Evolution c. Hibernation B. Not all living things hibernate d. Replication 31.Who is going to ace the test on Tuesday? a. You are b. The opposite of me c. The person reading this question d. All of the above B. You got this homie KEY 1. D 2. C 3. B 4. B 5. A 6. B 7. B 8. D 9. A 10.C 11.B 12.A 13.B 14.D 15.A 16.B 17.B 18.D 19.B 20.A 21.C 22.D 23.C 24.D 25.D 26.C 27.C 28.A 29.B 30.C 31.D?


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