Ch 12 (DNA, RNA, & Replication)

Front

What type of organisms replicate chromosomes in many sections at the same time?

Back

Eukaryotes

Front

What are the backbones of the DNA structure made up of?

Back

Alternating phosphates and sugars

Front

What is the normal number of chromosomes in human body cells?

Back

46

Front

If a DNA molecule contains 10% thymine, what percentage of adenine does it contain?

Back

10%

Front

Who concluded that the shape of a DNA molecule is a double helix?

Back

Watson and Crick

Front

What are the building blocks of DNA called?

Back

Nucleotides

Front

What are the four nitrogen bases found in DNA?

Back

Adenine, Thymine, Cytosine, Guanine

Front

What is the process of copying DNA called?

Back

DNA replication

Front

What is the role of RNA in protein synthesis?

Back

RNA carries the genetic information from DNA to the ribosome for protein synthesis.

Front

What is the difference between DNA and RNA?

Back

DNA is double-stranded and contains thymine, while RNA is single-stranded and contains uracil.