Terms in this set (35)
what important polymer is located in the nucleus?
________ is the instructions for making a cell's ______
DNA sequence and Protein
______ on chromosomes code for specific ____ in a cell.
Genes and triat
Where is DNA also found?
Chromosomes and chloroplasts
What is the double helix?
Shape of the DNA
Example of a pentose sugar?
Sides of DNA are made of what?
Sugar and Phosphate
What makes the "rungs" of DNA?
What pairs with adenine?
Nucleotides are made of What?
Sugar, Phosphate, and Nitrogen base
What bonds between bases must be broken to copy DNA?
What is it called when DNA is copied to make identical DNA?
How many strands of nucleotides does mRNA have?
What replaces deoxyribose on RNA?
____, not DNA can leave the nucleus through _____ in the nuclear envelope.
RNA and nuclear pores
Where are proteins made?
What are non-coding segments of DNA called?
What is a gene?
Segment of DNA that programs a protein.
Where in the cell are chromosomes located?
DNA can be found in what organelles of the cell?
Mitochondria and chloroplast
What two scientist established the structure of DNA?
James Watson and Francis crick
What is the shape of DNA?
The sides of the DNA ladder are composed of what?
Sugar and phosphate groups
The rungs of the DNA ladder are made of what?
4 nitrogen bases(A,G,T, and C)
What sugar is found in DNA?
What sugar is found in RNA?
How do the bases bond together?
Adenines with Thymine
Guanines with cytosine
The two purines in DNA are?
Adenine and Guanine
DNA is made of repeating units called?
Why is RNA necessary to act as a messenger?
Small enough to fit through pores
Why can't the code be taken directly from DNA?
Proteins are made where in the cell?
How do some cells become brain cells and others become skin cells, when DNA in all cells are the same?
Why is the DNA molecule referred to as the "blueprint of life"?
Because this tells the cell what to do like a blueprint tells you how to build something.
Full name of DNA?
Deoxyribose Nucleic Acid