Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 3.1, Problem 2TYK
Summary Introduction
Introduction:
The carbon atom has 4 valence electrons. So, carbon can form multiple covalent bonds between another carbon atom or other atoms like H, O, N and S atoms. Due to these properties, carbon involves information on the huge number of organic compounds.
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Which of the following are true about covalent bonds? Select all that apply.
In a covalent bond, one electron is transferred from one atom to another.
A triple covalent bond forms when atoms share six electrons.
A double covalent bond occurs in H,.
A double covalent bond occurs when two atoms share two pairs of electrons.
Single covalent bonds are quite strong, but double and triple bonds are even stronger.
The slight positive charge of a hydrogen atom in one water molecule is drawn to the slight negative charge of an oxygen atom in another. This interaction is known as a(n)
Indicate whether the statement below is true or false.Any covalently bonded H atom can participate in a hydrogen bond if it comes in close proximity with an oxygen atom that forms part of a water molecule.
Chapter 3 Solutions
Principles of Biology
Ch. 3.1 - Carbon has an atomic number of ___________ and has...Ch. 3.1 - Prob. 2TYKCh. 3.2 - Formation of polymers from monomers typically...Ch. 3.3 - Which of the following classes of organic...Ch. 3.4 - Prob. 1CCCh. 3.4 - Prob. 1BCCh. 3.4 - Glucose, galactose, and fructose are examples of...Ch. 3.4 - _____________ is a storage polysaccharide commonly...Ch. 3.5 - When water and oil are added to a test tube, the...Ch. 3.5 - For a more detailed view of the components of cell...
Ch. 3.5 - Hydrolysis of a triglyceride yields 3 glycerols...Ch. 3.5 - Which of the following are highly amphipathic?...Ch. 3.6 - Which of the following is the primary structure of...Ch. 3.6 - A peptide bond is formed between amino groups of...Ch. 3.7 - If the sequence of bases in one strand of a DNA...Ch. 3.7 - Prob. 1TYKCh. 3.7 - Which of the following is not found in DNA?...Ch. 3 - Which of the following is a common functional...Ch. 3 - Prob. 2TYCh. 3 - Prob. 3TYCh. 3 - Which of the following bonds is/are nonpolar?...Ch. 3 - Prob. 5TYCh. 3 - Prob. 6TYCh. 3 - Prob. 7TYCh. 3 - Prob. 8TYCh. 3 - Prob. 9TYCh. 3 - Prob. 10TYCh. 3 - Imagine that a proteins primary structure could...Ch. 3 - Explain the difference between saturated and...Ch. 3 - Prob. 3CCQCh. 3 - Prob. 1CBQCh. 3 - Prob. 2CBQ
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- Draw a “dot & cross” diagram to show the shape of a water molecule (H2O). Bond angles need to be shown. State the shape of a water molecule.arrow_forwardWhich of the following statements is correct regarding polar/nonpolar molecules? 1. Molecules comprised of nonpolar covalent bonds are likely to be hydrophilic 2. Polar molecules like sugar tend to dissolve in solutions of other polar molecules like water 3. Nonpolar molecules like sugar tend to dissolve in solutions of polar molecules like water 4. Polar covalent bonds tend to form between molecules that consist of two atoms of the same element, like oxygen gas (O2) or nitrogen gas (N2)arrow_forwardHydrogen bonds in water: (one or more may apply) Group of answer choices create surface tension in water are weak electrostatic bonds between 2 or more water molecules are covalent intramolecular bonds occurs because water molecules are polararrow_forward
- An organic compound with no attached functional groups is best described as a hydrophobic molecule. Select one: O True O Falsearrow_forwardThe “octet rule” in chemistry helps predict the types of bonds thatatoms will form. In general, an atom will be most stable if it fills itsouter shell of 8 electrons. Atoms with fewer than 4 valence electronstend to donate electrons and those with more than 4 valence electronstend to accept additional electrons; those with exactly 4 can do both.Using this rule, determine what category each of the followingelements falls into: N, S, C, P, O, H, Ca, Fe, and Mg. (You will needto work out the valence of the atoms.)arrow_forwardWhich of the following would be expected to form hydrogen bonds with water? Choose all that apply. H H H butane -C H H H ethylamine N FH H. H propanamide H- N -H C C- H H diethyl ether H- -C C H. H. None of the Abovearrow_forward
- Give examples of four different types of bond involving hydrogen atoms. (polar covalent, non-polar covalent, hydrogen bonding and ionic). Comment on any unusual features and consequences of the examples you cite.arrow_forwardDefine the following terms: a. hydrocarbon b. hydrophilic c. hydrophobic d. functional group e. R grouparrow_forwardThe mutual attraction of opposite charges holds atoms together as molecules in an _______ bond. a. ionic c. polar covalent b. hydrogen d. nonpolar covalentarrow_forward
- What kinds of bonds often control the shape (or tertiary form) of large molecules such as proteins? a. hydrogen b. ionic c. covalent d. inert e. singlearrow_forwardAtoms share electrons unequally in an _______ bond. a. ionic c. polar covalent b. hydrogen d. nonpolar covalentarrow_forwardIn the formation of water, partial positive and partial negative charges are formed around the hydrogen atoms and oxygen atom, respectively, due to a difference in between hydrogen and oxygen. O Proton Capacity O Hydrogen Bonding Electronegativity Electroaffinityarrow_forward
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