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Biol 1020 Exam III With Complete Solutions
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Biol 1020 Exam III With Complete Solutions...
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Biol 1020 Exam III With Complete SolutionsInformation: - ANSWER must contain all information necessary to construct a whole
organism.
Replication: - ANSWER must be accurately replicated.
Transmission: - ANSWER must be transmittable from one generation to the next during
reproduction; must be transmittable from one cell to the next during replication.
Variation: - ANSWER variation must account for the observed differences within a
species and between species.
What are 4 criteria roles of genetic material? - ANSWER information, replication,
transmission, variation.
What is the scientific name for DNA? - ANSWER deoxyribonucleic acid
Nucleotides consist of what three parts? - ANSWER phosphate group, 5-carbon sugar,
nitrogenous base.
DNA has a ____________ _________ shaped. - ANSWER double helix
DNA is antiparallel, meaning? - ANSWER The two strands run in opposite directions, one
starting at 5' and the other starting at 3'.
Name two kinds of nucleic acids? - ANSWER DNA and RNA
, "Deoxy" means? - ANSWER without oxygen
The base pairing rule is defined as? - ANSWER A-T/C-G rule
Nucleotides are the ___________ __________ of DNA. - ANSWER building blocks
In the organization of DNA, the nucleotide comes? - ANSWER first
After the nucleotide, what is the next level of organization? - ANSWER single-strand
After the single-strand, the next level of organization is a(n)? - ANSWER double-strand
The nucleotide becomes a single strand through? - ANSWER phosphodiester linkage
Nucleotides bond together through? - ANSWER covalent bonding
A single-strand becomes a double-strand when? - ANSWER Complementary base
pairing occurs through hydrogen bonding.
After the double-strand, the next level of organization is a(n)? - ANSWER chromatin
How does double-stranded DNA become chromatin? - ANSWER by adding proteins
called histones
What type of molecule is chromatin? - ANSWER a complex of DNA and proteins
What is the next higher level of organization beyond the chromatin? A? - ANSWER
chromosome
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