In 1953, ________ and _______ confirmed DNA's preeminent role in genetics
Who are Alfred Hershey and Martha Chase?
100
3 parts of a nucleotide.
What is phosphate group, deoxybiobose (5 carbon sugar) and nitorgenous bases
100
When a cell copies a DNA molecule, each strand serves as a _______ for ordering nucleotides into a new, complementary strand.
What is template?
100
The initial nucleotide chain is a short one called a _________ .
What is primer?
100
DNA to DNA
What is replication?
200
Griffith found that some substance from pathogenic cells was transferred to nonpathogenic cells, making them pathogenic.
What is transformation?
200
DNA and RNA are nucleic acids, polymers made of subunits.
What are nucleotides?
200
________________, a Y–shaped region where the new strands of DNA are elongating.
What is replication fork?
200
Another enzyme, DNA ______ , eventually joins the sugar–phosphate backbones of the Okazaki fragments, forming a single new DNA strand.
What is ligase?
200
DNA to mRNA
What is transcritpion?
300
The X-ray diffraction studies conducted by _____ were key to the discovery of the structure of DNA.
Who is Rosalind Franklin?
300
Nitrogenous bases bonded by ___________.
What is hydrogen?
300
Elongation of new DNA at a replication fork is catalyzed by enzymes called _________________.
What is DNA polymerases?
300
To elongate the other new strand of DNA in the mandatory 5′ → 3′ direction, DNA pol III must work along the other template strand in the direction away from the replication fork. The DNA strand synthesized in this direction is called the ___________.
What is lagging strand?
300
mRNA to Proteins
What is translation?
400
demonstrated that DNA replication is semiconservative.
Who are Meselson and Stahl?
400
RNA structures that are different then DNA structure.
What is ribose and uracil?
400
DNA pol III simply nestles in the replication fork on that template strand and continuously adds nucleotides to the complementary strand as the fork progresses. The DNA strand made by this mechanism is called the __________.
What is leading strand?
400
An enzyme called _________ can start an RNA chain from scratch.
What is primase?
400
Teachers at AHS who graduated from AHS.
What is Mr. Wasinger, Mrs. Havalik, Mr. Durant, Mr. Munholand, Mr. Fleschinger
500
Adinine pairs with Thymine and Gaunine pairs with Cytosine often refered to as
What is Chargoffs rule?
500
Adenine and guanine are ____________ , nitrogenous bases with two organic rings. In contrast, cytosine and thymine belong to the family of nitrogenous bases known as ____________, which have a single ring
What are purines and pyrimidines?
500
DNA pol III molecule attaches to the lagging strand′s template and moves away from the replication fork, synthesizing a short segment of DNA. As the bubble grows, another segment of the lagging strand can be made in a similar way. These segments of the lagging strand are called ____________.
What is Okazaki fragments?
500
__________ is an enzyme that untwists the double helix at the replication forks, separating the two parental strands and making them available as template strands.