Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 2, Problem 7TY
Summary Introduction
Introduction: Those substances which are dissolved in a liquid are called “solutes.” The liquid which dissolves the solute is known as “solvent.” When solute mixed up in the solvent the mixture of both the entities is known as “solution
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Compounds having an affi nity for water are said to bea. cohesive. c. hydrophobic.b. hydrophilic. d. adhesive
Substances those are partially dissolved in
water are commonly known as
اخترأحد الخيارات
a. hydrophilic / hydrophobic
b. false statement
c. hydrophilic
d. hydrophobic
e. all given choices are incorrect
Hydrogen bonding between water molecules results in
a. submersion.
b. adhesion.
c. evaporation.
d. cohesion.
Chapter 2 Solutions
Biology
Ch. 2.1 - Before the experiment conducted by Ernest...Ch. 2.1 - What was the hypothesis tested by Rutherford?Ch. 2.1 - Prob. 3EQCh. 2.1 - Explain the difference between an electron shell...Ch. 2.2 - Core Skill: Modeling The goal of this modeling...Ch. 2.2 - Prob. 1CCCh. 2.3 - When oil dissolves in a soapy solution, where is...Ch. 2.4 - Core Skill: Connections Look ahead to Figure...Ch. 2 - _______________ make(s) up the nucleus of an atom....Ch. 2 - Prob. 2TY
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- two of these statements are truths and one is a lie. Which of the following statements is a lie? a. The concept of pH is exclusive of how buffers work. b. Salts dissociate into ions (except H+ and OH-) when dissolved in water. c. ATP stores a large amount of potential energy.arrow_forwardWhich of the following statement(s) about acids and bases is incorrect? a. acids and bases are both electrolytesb. acids are proton acceptors, releasing H+ in solutionc. bases are proton donors, taking up H+ in solutiond. a and be. b and carrow_forwardWhich of the following best describes the process of Dissociation? A. the breaking of covalent bonds by water molecules. B. the breaking of polar bonds by water molecules. C. the breaking of ionic bonds by water molecules. D. the forming of polar bonds by lipophilic molecules.arrow_forward
- substance that do not dissolve well in water are a. hydrophobic b. hydrophilic c.isotonic d.polar e.saltsarrow_forwardWhich of the following substances will dissolve in water A.nonpolar B.polar C.hydrophobic D.hydrophilic E.ionicarrow_forwardA solution that conducts electricity must contain Select one: a. Hydrophobic molecules b. Polar molecules c. Ionsarrow_forward
- Compound Sodium Lactate is isotonic solution. this mean that it a. reduces movement of sodium across the membrane b.prevent movement of water across the semi permerable cell membrane c. promotes movement of water out of the cell d. facilitates equal movement of water across the semi permerable cell membranearrow_forwardWhich of the following statements best explains the insolubility of lipids in water? a. The structure of lipids includes hydrophilic molecules. b. The polar portion of lipids is much larger than the nonpolar portion. c. The polar portion of lipids is much smaller than the nonpolar portion. d. The polar and nonpolar portions of lipids are of the same size.arrow_forward.Amino acids a. have high dipole moments. b. are weak acids. c. with high molecular masses will be insoluble in water. d. are weak bases. Which statement is false?arrow_forward
- Define the following terms: a. solvation sphere b. amphipathic c. micelle d. hydrophobic effect e. clathratearrow_forward. A substance capable of dissolving freely inwater isa. hydrophilic.b. hydrophobic.c. hydrolyzed.d. hydrated.e. amphipathic.arrow_forwardMultiple water molecules are held together by... A. Dehydration synthesis B. Covalent bonds C. Hydrogen bonds D. Adhesionarrow_forward
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