Chem120 week 7 assignment - Study guides, Class notes & Summaries

CHEM120 Week 7 Assignment: Biochemistry Part 2 and Flow of Genetic Information – Download To Score An A+ Laboratory 11: DNA, mRNA and Polypeptide Learning Objectives: • Learn about nuclei c acids • Predict the sequence of a complementary strand of DNA based on the sequence of DNA • Predict the sequence of mRNA based on the sequence of DNA • Predict the sequence of a • polypeptide based on the sequence of mRNA Information stored in DNA (genes) is responsible for all our bodily functio...

MC/Select all that apply: 1 point each) 1. Which of the following are examples of proteins? Select all that apply. A) Antibodies B) DNA C) Enzymes D) RNA E) Hemoglobin 2. You find a mRNA fragment reads in part as AAU-UUA-GAU-UAA. The template strand of the DNA that coded for this fragment would read: A) AAU-UUA-GAU-UAA B) AAT-TTA-GAT-TAA C) TTA-AAT-CTA-ATT D) UUA-AAU-CUA-AUU 3. Choose the carbohydrates that are classified as a polysaccharides. More than one answer may be correc...

CHEM120 Week 3 Assignment: Stoichiometry and Solution Chemistry – 100% Correct Answers Week 3 Assignment: 15 points 1. Balance these chemical reactions: (2 point each, 8 points total) 2 NaBr + 1 CaF2 → 2 NaF + 1 CaBr2 2 HCl + 1 CaCO3 → 1 CaCl2 + 1 H2O + 1 CO2 1 FeCl3 + 3 NaOH → 1 Fe(OH)3 + 3 NaCl 1 CaCO3 + 1 H2SO4 → 1 CaSO4 + 1 CO2 + 1 H2O 2. Calculate the formula mass of Al2(SO4)3. (2 points) 342.15 g/mol 3. Calculate the mass of 2.5 moles of NaOH. (1 points) 99.75 g/mol 4. For the ba...

CHEM120 Week 5 Assignment: Redox and Organic Chemistry – With 100% Correct Answers- Download To Score An A+ 1. For the following redox reactions, determine what is oxidized and what is reduced: ( each, 2 points total) 3 Hg2+ + 2 Fe (s) Fe oxidized, He reduced 2 As(s) + 3 Cl2(g) Cl reduced, As oxidized 3 Hg2 + 2 Fe3+ 2 AsCl3 2. List and describe 3 common things that occur during oxidation-reduction reactions (1.5)? 1. Combustion- flames (not explosions) 2. Disproportionation- simultaneous reduc...

CHEM120 Week 2 Assignment: Bonding and Naming of Molecules – With 100% Correct Answers Download To Score An A+ Week 2 Assignment (15 points): 1. In terms of electrons, what is an excited sta te? Give an example of an electron configuration for an excited state. (1 points) - An electron is in an excited state when it occupies an energy state that’s greater than its ground state. The ground state of Oxygen for example has an electron configuration that is 1s22s22p4 but the excited state might ...

CHEM 120 Week 7 Assignment; Biochemistry Part 2 and Flow of Genetic Information (15 Points)

CHEM120 Week 4 Assignment: Gas and Acid/Base Chemistry – With 100% Correct Answers 1. Solve these ideal gas law problems. Show all work for credit. a. A gas occupies 250 mL at 739 mmHg. For a ga s at constant temperature, determine the volume of gas at 514 mmHg. (1 points) P*V=P*V 739*250 = 514*V 184750/514 = 359 b. Use the molar volume of a gas, at STP, to determine the number of moles of CO2 in 4.00 L of CO2 gas. (1 points) 22.4L/mol 4*(1/22.4) 0.179 c. A sample of nitrogen (N2) has a volume...

CHEM120 Week 6 Assignment: Energy, Nuclear Chemistry and Biochemistry Part 1 Week 6 Lab: Nuclear Chemistry Objectives: • Identify the differences between chemical reactions and nuclear reactio ns. • Identify the concept of radioactive decay. • Identify the nuclear changes associated with alpha, beta or gamma decay. • Write the products of nuclear reactions involving alpha, beta or gamma emissions. • Explain the concept of half-lives and complete half-life calculations. • Identify com...

Week 7 Assignment: 30 points: MC/Select all that apply: 1 point each 1. Which of the following are examples of proteins? Select all that apply. A) Antibodies B) DNA C) Enzymes D) RNA E) Hemoglobin 2. You find a mRNA fragment reads in part as AAU-UUA-GAU-UAA. The template strand of the DNA that coded for this fragment would read: A) AAU-UUA-GAU-UAA B) AAT-TTA-GAT-TAA C) TTA-AAT-CTA-ATT D) UUA-AAU-CUA-AUU 3. Choose the carbohydrates that are classified as polysaccharides. More than o...

MC/Select all that apply: 1 point each 1. Which of the following are examples of proteins? Select all that apply. A) Antibodies B) DNA C) Enzymes D) RNA E) Hemoglobin 2. You find a mRNA fragment reads in part as AAU-UUA-GAU-UAA. The template strand of the DNA that coded for this fragment would read: A) AAU-UUA-GAU-UAA B) AAT-TTA-GAT-TAA C) TTA-AAT-CTA-ATT D) UUA-AAU-CUA-AUU 3. Choose the carbohydrates that are classified as polysaccharides. More than one answer may be correct. A) ...