Chem 103

Cell Signaling and Apoptosis Types of Signaling • A ligand is a molecule that has specificity for a given receptor, and the binding of a ligand to the given receptor causes a change. • There is a wide array of cell ligands: hormones, peptides, sugars, and even small, hydrophobic molecules. • Regardless of its type, a ligand is always specific for the target receptor. This ligand-to-receptor specificity helps to regulate responses in the target cell while not impacting non-target cell...

CHEM 103 FINAL EXAM SOLUTIONS (2023/2024) UPDATE>answeredCHEM 103 FINAL EXAM SOLUTIONS (2023/2024) UPDATE>answered

Complete the two problems below: 1. Convert 0.00346 to exponential form and explain your answer. 2. Convert 2.76 x 104 to ordinary form and explain your answer. Your Answer: 1. 3.46 10^-3 = negative exponent = smaller than 1, move decimal 3 places. 2. 27600.0 = larger than 1 = positive exponent, move decimal 4 places. 1. 0.00346 = smaller than 1 = negative exponent, move decimal 3 places = 3.46 x 10-3 2. 2.76 x 104 = positive exponent = larger than 1, move decimal 4 places = 27600 Que...

CHEM 103 Final Exam Questions and Answers All Correct Which of the following is a pair of reversible processes A. vaporization and freezing B. sublimation and condensation C. Deposition and sublimation D. melting and condensation E. none of the above - ANSWER C. Deposition and sublimation Which is NOT a chemical A. Salt B. Light C. Carbon Dioxide D. Water E. Sugar - ANSWER B. Light The energy of motion is referred to as A. Work B. Freezing C. Specific Heat...

CHEM 103 MODULE 1 TO 6 EXAM LATEST 2023 QUESTIONS & CORRECT ANSWERS PORTAGE LEARNING COMPLETE AGRADE MODULE 1 EXAM Question 1 Click this link to access the Periodic Table. This may be helpful throughout the exam. 1. Convert 845.3 to exponential form and explain your answer. 2. Convert 3.21 x 10-5 to ordinary form and explain your answer. 1. Convert 845.3 = larger than 1 = positive exponent, move decimal 2 places = 8.453 x 102 2. Convert 3.21 x 10-5 = negative exponent = smaller t...

CHEM 103 Module 2 exam with correct answersCHEM 103 Module 2 exam with correct answersCHEM 103 Module 2 exam with correct answers

Write the subshell electron configuration (i.e.1s2 2s2 , etc.) for the Ni28 atom. Your Answer: Ni28 = 28 electrons = 1s2 2s2 2p6 3s2 3p6 4s2 3d8 Question 2 10 / 10 pts You may find the following resources helpful: Scientific Calculator Periodic Table Equation Table Links to an external site. Write the subshell electron configuration (i.e.1s2 2s2 , etc.) for the P15 atom. Your Answer: 15 electrons P15 = 15 electrons = 1s2 2s2 2p6 3s2 3p3 Question 3 10 / 10 pts You may find the f...

2023 Portage Learning CHEM 103 Exam 1-6 Final LATEST

CHEM 103 Final Exam Questions And Answers (Verified And Updated) Which of the following is an example of a physical property? a. Ability to change color b. Flammability c. Density d. Solubility Exam 1 - answerc. Density Which of the following is evidence of a chemical change? a. Releasing bubbles of gas b. Floating in water c. Crystallization d. Vaporization e. None of the above Exam 1 - answera. Releasing bubbles of gas According to the metric system, 1 m = 0.001 what? a. cm b....

CHEM 103 Final Exam Marking Scheme (Verified Solutions)