BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Question
Chapter 2, Problem 15SA
Summary Introduction
a.
To determine:
The term that describes “protons > electrons.”
Summary Introduction
b.
To determine:
The term that describes “number of protons in nucleus.”
Summary Introduction
c.
To determine:
The term that describes “polar: dissolves easily in water.”
Summary Introduction
d.
To determine:
The term that describes “collectively strong.”
Summary Introduction
e.
To determine:
The term that describes “protons < electrons.”
Summary Introduction
f.
To determine:
The term that describes “measure of molecular motion.”
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Match the terms with their most suitable description. ____ hydrophilic a. protons > electrons ____ atomic number b. number of protons in ____ hydrogen bonds nucleus ____ positive charge c. polar; dissolves easily in ____ negative charge water ____ temperature d. collectively strong ____ pH e. protons < electrons ____ covalent bond f. measure of molecular ____ hydrophobic motion g. water-dreading h. electron sharing i. reflects H+ concentration
One of the most important properties of water is that it can form a _______ with other water molecules. This means that water molecules are able to “stick together” to a certain extent. The term for this property is cohesion.
A. Ionic bond
B. Covalent Bond
C. Hydrogen Bond
Letter only, no need to explain.
1. These are molecules composed of hydrogen, carbon and oxygen, with no 2:1 ratio of hydrogen to oxygen.
A. Lipids
B. Carbohydrates
C. Proteins
D. Nucleic acids
2. The following statement are true about water EXCEPT:
A.Water is a polar substance.
B.Water will dissolve non-polar substances
C.Water forms hydration shells around certain ions
D.The capacity of water to dissolve many substances comes from its dipolar nature.
3. If a compound dissociates into H+ and a negative ion, it is a?
A. acid
B. base
C. salt
D. neutral compound
4. The following are components of a nucleotide EXCEPT:
A. Pentose sugar
B. Phosphate group
C. hydroxyl group
D. Nitrogen-containing base
5. The following can be dissolved in water EXCEPT:
A. Salts
B. Carbohydrates
C. Lipids
D. Hydrochloric acid
Chapter 2 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 2 - What atom has only one proton? a. hydrogen c. a...Ch. 2 - A molecule into which a radioisotope has been...Ch. 2 - Prob. 3SACh. 2 - Prob. 4SACh. 2 - All ions have at least one ________ select all...Ch. 2 - Rank the following chemical bonds in order of...Ch. 2 - The mutual attraction of opposite charges holds...Ch. 2 - Atoms share electrons unequally in an _______...Ch. 2 - An _________ substance repels water. a. acidic c....Ch. 2 - A salt does not release ______ in water. a. ions...
Ch. 2 - Hydrogen ions H+ are _____. a. in blood c....Ch. 2 - When dissolved in water, an _________ donates H+;...Ch. 2 - An ________ can help keep the pH of a solution...Ch. 2 - Prob. 14SACh. 2 - Prob. 15SACh. 2 - Alchemists were the forerunners of modern-day...Ch. 2 - Draw a shell model of a lithium atom Li, which has...Ch. 2 - Polonium is a rare element with 33 radioisotopes....Ch. 2 - Some undiluted acids are not as corrosive as when...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- The water lattice: a. is formed from hydrophobic bonds. b. causes ice to be denser than water. c. causes water to have a relatively low specific heat. d. excludes nonpolar substances. e. is held together by hydrogen bonds that are permanent; that is, they never break and reform.arrow_forwardPart A: In this diagram, a molecule of water is________. Part B: This is an example of _______. Part A Answer Choices: A. Required to split a larger molecule apart B. Created by joining two molecules together Part B Answer Choices: A. Hydrolysis B. Condensationarrow_forwardWhen hydrogen is a part of a ________, it has a slight positive charge. a. Ionic bond b. polar covalent bond c. nonpolar covalent bondarrow_forward
- Match the concept in column A to the concept in column B. Write the letter of the correct answer on the blank provided. A В a. they dissolve in water but do not release ions 1.Aristotle 2.Robert Hooke b. react with water to produce ions. c. act as an enzymes. 3. Antonie van Leeuwenhoek d. parts of 2 different kinds of molecules trade 4.nonelectrolytes positions with one another e. organic substances that control cellular 5.monosaccharides activities in a very special way. f. responsible for about two-thirds of the weight of an adult human g. classified animals based on the presence of blood. h. molecular formula i. Initially discovered the cell. 6.proteins 7.isotopes 8.exchange reaction 9.nucleic acids j. galactose k. sucrose 10.water I. atoms with the same atomic number but different atomic weights.arrow_forwardA hydrogen bond can form between____________ adjacent to each other.a. two hydrogen atomsb. two oxygen atomsc. a hydrogen atom and an oxygen atomd. negative chargesarrow_forwardChoose the best answer for following question. Hydrogen bonds are formed as a result of which of the following?a. ionic bondsb. nonpolar covalent bondsc. polar covalent bondsd. None of these are correct.arrow_forward
- Bonds in which atoms share electrons are defined as _____________ bonds.a. hydrogenb. ionicc. doubled. covalentarrow_forwardPlease helparrow_forwardThe following questions are grade 12 biology questions. Answer the multiple choice questions shown in the photo. Make sure the answer is correct and matches its corresponding letter.arrow_forward
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