Bis 2a midterm 1 - Study guides, Class notes & Summaries

In addition to covalent and ionic bonds, which of the following interactions is of interest to the biologist in BIS2A. a. van der Waals interactions b. Hydrogen bonds c. Hydrophobic interactions d. a and b e. All of the above - ️️e. All of the above Which of the following statements about atoms is true? a. An electron has a more negative charge than a proton has a positive charge, which is why there are usually more protons than electrons in an atom. b. Neutrons simply add mass to...

Amino acids in a protein chain are attached by bonds called ____________. - ️️Peptide Bond Where do peptide bonds form? - ️️Between the carboxyl group of one amino acid and the amino group of another amino acid. What changes when a protein denatures? - ️️Three dimensional structure The peptide bond that forms between two amino acids is an example of a - ️️Covalent Bond Which cell makes up the bulk of the cell membrane? - ️️phospholipids Which lipid provides a w...

BIS 2A Midterm 1 Britt Which of the following statements best describes covalent bonds? - CORRECT ANSWER-the sharing of an electron pair between atoms; relatively strong bond Which of the carbon atoms is most oxidized? - CORRECT ANSWER-CO2 How can living things grow and display increasing levels of order, reorganizing random molecules into complex organized molecules? - CORRECT ANSWER-living things capture the energy from their environment, like nearby exergonic reactions, and use tha...

Britt Bis 2A Midterm 2 study guide DUE 9 OCTOBER 2023 1. A protein's tertiary structure is stabilized by... a. Hydrophobic R groups b. Ionic bonds c. Phosphodiester bonds d. Hydrogen bonds e. a, b, and d -CORRECT ANSWER- e. a, b, and d In animals, if the fuel consumed exceeds energy expended, fats are synthesized from carbohydrates in order to store the excess energy. Acetyl-coA Carboxylase catalyzes the first dedicated step in fatty acid synthesis. This enzyme responds to a larg...

BIS 2A MIDTERM 2 2023/2024 On early Earth, the first things that looked like they might be classified as living organisms used iron sulfur clusters as catalysts. If these "naked" iron sulfur clusters can catalyze reactions, why do our cells instead use proteins carrying iron sulfur clusters as catalysts? a. To decrease substrate specificity b. To increase substrate specificity c. To prevent spontaneous oxidation of the iron in the cluster d. a and c e. b and c - CORRECT ANSWER-e. ...

Bis 2a lecture notes fall quarter. This document covers materials included in midterm 1: bonds, potential energy, gibb's free energy, equilibrium, functional groups, polarity, ATP, glycolysis, fermentation, pyruvate oxidation, TCA cycle, redox reactions

BIS 2A lecture notes fall quarter. This document covers materials included in midterm 1.