BIOL.CONCEPTS+INVERTIGATION-ACCESS CARD
4th Edition
ISBN: 9781260195316
Author: Hoefnagels
Publisher: INTER MCG
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Chapter 2, Problem 1PIT
Summary Introduction
To compare:
The survey the landscape figure in the chapter introduction with the Pull It Together concept map and to describe if molecules are alive and to give reasons if the life can exists without molecules.
Concept introduction:
Atom is made up of electrons, protons and neutrons. Neutron is neutral subatomic particles that are found in the nucleus of the atom. Protons are the positive particles that are found in the nucleus of the atom while electrons are the negative particles present outside the nucleus in an atom.
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Chapter 2 Solutions
BIOL.CONCEPTS+INVERTIGATION-ACCESS CARD
Ch. 2.1 - Which four elements do organisms require in the...Ch. 2.1 - Where in an atom are protons, neutrons, and...Ch. 2.1 - What does an elements atomic number indicate?Ch. 2.1 - What is the relationship between the mass of 12C...Ch. 2.1 - Prob. 5MCCh. 2.2 - How are atoms, molecules, and compounds related?Ch. 2.2 - Prob. 2MCCh. 2.2 - Explain how electronegativity differences between...Ch. 2.3 - Prob. 1MCCh. 2.3 - Distinguish between a solute and a solvent and...
Ch. 2.3 - Prob. 3MCCh. 2.3 - Prob. 4MCCh. 2.3 - Prob. 5MCCh. 2.3 - Prob. 6MCCh. 2.4 - How do acids and bases affect a solution's H'...Ch. 2.4 - Prob. 2MCCh. 2.4 - How do buffers regulate the pH of a fluid?Ch. 2.5 - Prob. 1MCCh. 2.5 - Prob. 2MCCh. 2.5 - List examples of carbohydrates, proteins, nucleic...Ch. 2.5 - What is the significance of a protein's shape, and...Ch. 2.5 - What are some differences between RNA and DNA?Ch. 2.5 - Prob. 6MCCh. 2.6 - Prob. 1MCCh. 2.6 - Prob. 2MCCh. 2 - A hydrogen ion (H+) has...Ch. 2 - Prob. 2MCQCh. 2 - Prob. 3MCQCh. 2 - Prob. 4MCQCh. 2 - Prob. 5MCQCh. 2 - Prob. 6MCQCh. 2 - The vitamin biotin contains 10 atoms of carbon, 16...Ch. 2 - Distinguish between nonpolar covalent bonds, polar...Ch. 2 - Prob. 3WIOCh. 2 - Prob. 4WIOCh. 2 - Define solute, solvent, and solution.Ch. 2 - Give an example from everyday life of each of the...Ch. 2 - Prob. 7WIOCh. 2 - How do hydrogen ions relate to the pH scale?Ch. 2 - Sketch a monosaccharide, an amino acid, a...Ch. 2 - Prob. 10WIOCh. 2 - You eat a sandwich made of starchy bread, ham, and...Ch. 2 - Prob. 1PITCh. 2 - Prob. 2PITCh. 2 - Besides water, what other molecules are essential...Ch. 2 - 4. Add monomers, polymers, dehydration synthesis,...
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- Match the molecules with the best description.arrow_forwardFrom the different types of monomeric building blocks of life which category is not covalently linked together into huge polymeric structures? a.) amino acids b.) nucleic acids c.) fatty acids d.) carbohydratesarrow_forwardWhich is the smallest in size?A CellB MoleculeC AtomD Proton Answer is D? Can you help me to explain to me step by steparrow_forward
- The molecule presented below is an example of aarrow_forwardOrganic molecules were originally named so, because they were thought to only be produced by living creatures. Are there ways organic molecules be made by outside of living creatures? If so, what are they?arrow_forwardWhat is a very long organic compound that is made up of carbon, hydrogen, nitrogen, and phosphorous, contain instructions that cells need to carry out all the functions of lifearrow_forward
- Why do chemical reactions occur faster at higher temperatures? refers to enzymes.arrow_forwardWhich statement is false? A. Elements are found in compounds and molecules B. compounds are made of elements C. a molecule must be made of at least two atoms D. chemical bonds form between molecules of solute and solvent E. two atoms of oxygen make a molecule of oxygenarrow_forwardWhich type of biological molecule (carbohydrate, lipid or protein) is described by the formula C5H10O5?Question 4 options: a) carbohydrate b) lipid c) proteinarrow_forward
- explain how the Avery/Hershey Chase experiments proved that DNA is the genetic material. Is a “trans-fat” a saturated fat, an unsaturated fat or neither? Explain. Describe three properties of water, and how these properties play a role in the lives of living organisms.arrow_forwardWhich statement best describes why there is a wide variety of organic molecules? The number of protons in carbon can vary significantly. Carbon contains more electrons that most other elements. Each carbon atom is able to form four covalent bonds to up to four separate atoms. Carbon can form several different isotopes.arrow_forwardHow do enzymes work to speed up chemical reactions within a cell? They increase the ∆G (change in Gibbs free energy) for a chemical reaction. They lower the ∆G (change in Gibbs free energy) for a chemical reaction. They lower the energy of activation for a chemical reaction. They increase the kinetic energy of molecules to raise the speed of molecular collisions. They bypass the transition state to more quickly form products.arrow_forward
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