Chapter 3 Section 3.3
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| Where are the sugar-phosphate backbones and the nitrogenous bases located in the DNA double helix? | The sugar-phosphate backbones run along the outside of the double helix while the nitrogenous bases pair in the middle.
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| Information is stored in DNA by varying the sequence of the four types of _________in each strand. | Nucleotides
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| Match the bases that pair the DNA molecules: Adrenine Guanine | Match the bases that pair the DNA molecules:
Thymine
Cytosine
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| Regarding the chemical nature of nitrogenous bases in DNA, this is a correct statements: | Adenine is a purine.
Cytosine is a pyrimidine.
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| This molecule have the ability to serve as templates to produce precise copies of themselves? | DNA
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| The two classes of nucleic acids are __________and _______. Please follow capitalization conventions when you spell out the nucleic acid acronyms. | DNA (denoxyrihonucleic acid) RNA (ribonucleic acid)
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| The genetic code of cells are stored in molecules of? | DNA
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| These nitrogenous bases are present in RNA? | Cytosine, Adenine, Guanine, Uracli
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| The following would be found at the 3' end of the backbone of a polynucleotide chain? | -OH group attached to a pentose sugar
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| What are the three basic components of a nucleotide? | Nitrogenous base, pentose sugar and phosphate group
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| Identify the molecule shown in the diagram: Figure 3.18, page 44 | ATP-Adenosine triphosphate
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| If a DNA double helix is composed of 20% A, then what is the percentage of T? | 20%
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| This diagram is showing which of the follow: Figure 3.15, page 42 (top figure) | Purines, nitrogenous bases
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| What types of bonds keep the two strands of DNA joined to each other? | Hydrogen bond
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| Identify functions of ATP: | To drive energetically unfavorable reactions
To power transport across cell membranes
To power the movement of cells
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| In cells, DNA serves as a template of the synthesis of _____ whch directs the synthesis of__________. | RNA Proteins
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| Organisms use sequeces of _______in their DNA to specify the sequences of _____ _______ in their proteins. | Nucleotides Amino acid
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| The building blocks of nucleic acids are monomers called: | Nucleotides
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| What type of bonds are responsible for the base pairing between two strands of DNA in the double helix? | Hydrogen bond
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| These are how cell's are different in DNA and RNA molecules: | Only DNA is double-stranded (made of two separate strands).
Only DNA contains the sugar deoxyribose.
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| This types of bond connects adjacent nucleotides in a single strand of a nucleic acid. | Phosphodiester
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| The two purine bases in DNA are _____ and _________. | adenine
guanine
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| The molecules in this diagram are which are the following: (Choose all that apply) Figure 3.15 Page 42 (bottom figure) | pyrimidines, nitrogenous bases
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| In a DNA molecule, nitrogenous bases that pair up with each other are said to be? | Complementary
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| Th part of this molecule shaded in purple is which of the following: Figure 3.14 Page 42 | Nitrogenous base, purine
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| RNA nucleotides have the sugar _______ instead of deoxyribose and the base ______instead of thymine. | ribose
uracil
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| The following molecules are composed of one or more nucleotides. | ATP
NAD+
RNA
DNA
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| In living organisms, molecules of ______are used to store and transmit the genetic information from one generation to the next, while molecules of ______are the genetic information to actually assemble proteins. | DNA
RNA
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| The molecule shown in this diagram is which of the following? Figure 3.14 Page 42 | Nucleotide
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| During protein syntesis in living organisms, information stored in molecules of _____is transcribed to form complementary molecules of ______, which are responsible for actually assebling the protein. | DNA
RNA
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| ATP, FAD, and NAD+ all contain the nitrogenous base____in their structure. Spell full name | Adenine triphosphate
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