Hydrophilic bond - Study guides, Class notes & Summaries

Bio 105 exam 1 practice questions with complete solutions The four main categories of bio-molecules are? Proteins, Nucleic acids, Lipids, Carbohydrates What type of bond holds together the parts of a water molecule? Polar covalent bond What is the basic unit of structure and function of living things? A cell If the most common form of Carbon has 6 protons, 6 neutrons, and 6 electrons. Which elements would be an Isotope of carbon? An atom with 6 protons, 8 neutrons, and 6 electro...

The Scientific Method - A logical, systematic approach to the solution of a scientific problem. What is science? - The systematic approach to answering questions; step by step process that is logical and rational by collecting data thru experimentation steps of scientific method - 1. observation 2. question 3. hypothesis (that is testable) 4. test/experiment 5. conclusion conclusion of scientific method - accept hypothesis OR reject hypothesis and make a new hypothesis 2 groups of an e...

Cell Shapes - 1) Squamous 2) Cuboidal 3) Columnar 4) Transitional atoms - the smalles units of matter (made of subatomic particles- * protons (+) * neutrons (neutral) * electrons (-) physiology - study of functions of anatomical structures cytology - study of cells &their functions histology - study of tissues & their structures microscopic anatomy - examines cells & molecules Six levels of body organization - 1. chemical. 2. cellular. 3. tissues. 4. organs. 5. organ systems. 6. organ...

BS161 2024 Updated Exam What type of bond occurs between molecules? - ANSWER Covalent bond Blank unwinds DNA - ANSWER Helicase DNA polymerase can only add nucleotides to the 3' end of an blank strand - ANSWER Existing What forces occur between molecules? - ANSWER Ionic, hydrogen, hydrophobic clustering and london dispersion forces Covalent bonds involve To fill outer electron shells - ANSWER Sharing of electrons. What is the goal of covalent bonding? - ANSW...

Biology Chapter 1-4 Test Questions And Answers 2024 A+ Steroids - ANS-1. Contain no fatty acids 2. Composed of a carbon skeleton of four-fused rings 3. Cholesterol, testosterone, and estrogen are examples Phospholipids - ANS-1. Comprised of two fatty acid tails and a glycerol phosphate head 2. Have a hydrophilic head and a hydrophobic tail and make up the plasma membrane Fats + Oils - ANS-1. Function as long-term energy storage 2. Comprised of glycerol and 3 fatty acids Elements that com...

RNAS C Practice Test Review 437 Questions with Verified Answers A capacitor and resisitor in parallel - CORRECT ANSWER will have same voltage across since in parallel. if in series, voltage drops would occur they can be treated together If the absolute pressure of a gas is increased from 3 atm to 4 atm at constant volume, then the absolute temperature of the gas will increase by: A. 25%. B. 33%. C. 67%. D. 75% - CORRECT ANSWER B. Assuming the validity of the Ideal-Gas law, PV = n...

WGU C785 Final Exam With All The Correct Answers What is the basic structure of an amino acid? What do they look like? - ANSWER ==amino group (NH2 or NH3), carboxyl group (COO or COOH), alpha carbon (C), and variable group How do you identify the 3 different types of side chains: non-polar/hydrophobic, polar, and charged? - ANSWER ==Non-polar/hydrophobic - end with CH or "can't have" water. Polar - end with OH, SH, or NH. Charged - end with a charge what kinds of bonds do e...

WGU C785 Final Exam With All The Correct Answers What is the basic structure of an amino acid? What do they look like? - Answer ️️ -amino group (NH2 or NH3), carboxyl group (COO or COOH), alpha carbon (C), and variable group How do you identify the 3 different types of side chains: non-polar/hydrophobic, polar, and charged? - Answer ️️ -Non-polar/hydrophobic - end with CH or "can't have" water. Polar - end with OH, SH, or NH. Charged - end with a charge what kinds of bonds do e...

Water correct answers H2O, molecular weight=18, oxygen is partial negative charge, hydrogen has slight positive charge. What is a dipole moment? correct answers difference in charge on two ends of a molecule Anions correct answers negatively charged ions Cations correct answers positively charged ions covalent bond correct answers A chemical bond formed when two atoms share electrons hydrogen bond correct answers Attraction between a slightly positive hydrogen atom and a slightly ...

Question 1 Correct 1.00 points out of 1.00 Flag question Question text In an ecosystem, energy Select one: a. comes ultimately from bacteria b. cycles along with chemical nutrients c. typically flows from producers through a series of consumers d. typically flows from consumers to producers to decomposers Question 2 Correct 1.00 points out of 1.00 Flag question Question text Life is organized in a hierarchical fashion. Which of the following sequences correctly lists that hierarchy from least in...