A Nucleotide is made up of

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Adenine (A)bonds

2 Hydrogen Bonds

Thymine (T)bonds

2 Hydrogen Bonds

Cytosine (C) bonds

3 Hydrogen Bonds

Guanine (G) bonds

3 Hydrogen Bonds

The phosphate group of a nucleotide is found at the

5' carbon

What was Alfred Hershey and Martha Chase's contribution to the Discovery of DNA

Showed that T4 Bacteriophage injected their DNA into host bacteria cells

What was Rosalind Franklin's contribution to the Discovery of DNA?

Took very good X-ray diffraction images of DNA

The process where RNA is made from the DNA template is called

Transcription

A Nucleotide is made up of

a phosphate group a pentagon-shaped sugar a nitrogenous base

DNA is?

double helix

What makes up the backbone of DNA?

sugar and phosphate

RNA sugars are called ribose and

the 2' carbon does have a hydroxyl group

DNA sugars are called deoxyribose because

the 2' carbon does not have a hydroxyl group

Why must DNA be able to make copies of itself?

to make DNA for new cell. or to grow

what is the main purpose of DNA?

to store genetic information in chromatids

How did Rosalind Franklin contribute to determining the structure of DNA?

x-ray the structure of DNA

Contains Thymine

DNA

Contains deoxyribose

DNA

normally double stranded

DNA

Contains phosphate group

DNA and RNA

what types of bonds hold DNA together

Hydrogen

What was Phoebus Levene's contribution to the Discovery of DNA

Identified the parts of the nucleotide unit: base, sugar, and phosphate group

what are the 3 parts of DNA nuclectide?

Nitrogenous base, pentose sugar and phosohate group

what are the subunits that make up DNA?

A,T C,G

What are the two purines?

Adenine and Guanine

What was Watson and Crick's contribution to the Discovery of DNA?

Built a model of the Structure of DNA

What was Avery, MacLeod, and McCarty's contribution to the Discovery of DNA

Discovered DNA is the transforming agent

What was Oswald Avery's contribution to the Discovery of DNA

Discovered DNA is the transforming agent

What was Fredrick Griffith's contribution to the Discovery of DNA

Discovered a breakthrough in the world of heredity while working with Streptococcus pneumonia and injecting stands into mice

What was Erwin Chargaff contribution to the Discovery of DNA?

Discovered the Nucleotide base pair equivalency ratios

Adenine (A)

Purine

Guanine (G)

Purine

Cytosine (C)

Pyrimidines

Thymine (T)

Pyrimidines

Uracil (U)

Pyrimidines

Contains Uracil

RNA

Contains ribose

RNA

normally single stranded

RNA

The difference between the 5-carbon sugar of DNA (Deoxyribose) and the 5-carbon sugar of RNA (Ribose) is?

RNA has 2 hydroxyl groups at the 2' and 3' carbons

What was Maurice Wilkin's contribution to the Discovery of DNA?

Realized the importance of the very good x-ray diffraction images taken of B-DNA

The process of DNA making a copy of itself is called

Replication

The process where proteins are made from RNA is called

Translation

Who made the structure of DNA

Watson and Crick

What is a purine?

a double-ringed nitrogenous base

What does DNA stand for?

deoxyribonucleic acid

What is the sugar in DNA?

deoxyribose


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