Genetics 1: DNA, Chromosomes, and Genome

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ClueAnswerSpecial instructions
Rank the following terms regarding DNA compactification in order of INCREASING size: 30 nm fiber, beads-on-a-string, chromatid, coil, loop, rosette.
The SPECIFIC nitrogenous bases which are double-ringed are:Alphabetical order
The ends of chromosomes are:
Nucleic acid is synthesized in the _'-to-_' directionUse numerals
Out of the three DNA forms discussed in class, the 'special' one is _____; it is left/right-handed
If a DNA sequence can fold in at its midpoint and bind to itself, it is a:
Two things that can be used to denature DNA are ____ and ____
These are the two sugars found in nucleic acids:
These are the basic components of any nucleosideAlphabetical order
The SPECIFIC nitrogenous bases which are single-ringed are:Alphabetical order
The middles of chromosomes are:
Continuation of Part X: The aforementioned DNA would have tighter/looser base-pair covalent/hydrogen interactions.Part Y: look for Part X for first part of this question
The class of single-ringed nitrogenous bases are the:
If one strand of DNA in a particular region has high guanine content, its complementary strand has high ______ content, a higher/lower denaturing temperaturePart X: look for Part Y for second part of this question
ClueAnswerSpecial instructions
In 'beads-on-a-string', each individual bead is called a ________, and consists of DNA wrapped around proteins called ______, which have been highly/poorly conserved in evolution
The sections of DNA that are spliced together during mRNA processing are exons/introns, are of constant/variable length, and are more/less abundant than the excised sections
Genes are sections of a ______ that code for a specific ______
The sections of DNA that are removed during mRNA processing are exons/introns, and are of constant/variable length
These are the basic components of any nucleotideAlphabetical order
Inherited changes in gene expression that are NOT due to changes in the underlying DNA sequence are collectively referred to as _______, and do/do not include base-pair deletionsPart A: look for Part B for second part of this question
Continuation of Part A: these changes do/do not include DNA methylation, and do/do not include transposon jumpingPart B: look for Part A for first part of this question
The class of two-ringed nitrogenous bases are the:
Changes in DNA linking number are catalyzed by enzymes called ____________ in an ATP-dependent/independent process
Nucleic acid is read in the _'-to-_' directionUse numerals
The linkages between consecutive monomers in the nucleic acid's backbone are:
Choose one from each set: A-DNA is left/right-handed, is more/less relaxed than B DNA, and does/does not interconvert readily with B-DNA
This topological feature of DNA is due to steric strain, and contributes the energy used to do compact packing
If the left and right sections of a DNA sequence are reflections of one another, the sequence is a:

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