Heredity
DNA
Base pairing
Functions
Replication
100
this has the instructions for making an organism
What is DNA
100
What does DNA stand for?
What is deoxyribonucleic acid
100
These scientists discovered pase pairing in DNA
What is James Watson and Francis Crick
100
DNA is made up of a ______ strand of nucleotides
What is double
100
What is replication?
The process where DNA makes a copy of itself
200
passing on of characteristics from parents to offspring
What is heredity
200
Where is DNA located?
What is in the nucleus of the cell
200
These are the four nitrogen bases
What is Adenine, Thymine, Guanine and Cytosine
200
The DNA from each side is ____________ to the other side.
What is complementary
200
Why does DNA need to replicate?
1. Cells divide for an organism to grow or reproduce. Every new cell needs a copy of the DNA or instructions to know how to be a cell.
300
segment of DNA thatcodes for a protein
What is a gene
300
What did Frank Griffith discover in 1928?
What is DNA
300
Which nitrogen bases are complementary to each other?
What is adenine pairs with thymine and cytosine pairs with guanine.
300
True or False: If you know the sequence of one side of a DNA strand, you can determine the sequence of the other side.
What is true
300
When does replication occur?
right before mitosis
400
you have 46 of these in the nucleus of each body cell.
What is chromosomes
400
What is the sahpe of DNA known as?
What is double helix
400
_______________ of bases determines the genetic information and is unique to ech organism.
What is sequence
400
What is the complementary strand to this DNA molecule? T T A G C A T G G C T A
What is A A T C G T A C C G A T
400
During replication an _______ begins to break the Hydrogen bonds between the nitrogen bases.
What is enzyme
500
What is the difference between chromatin and chromosomes?
What is chromatin- uncoiled DNA, chromosome- coiled DNA
500
State the three parts of a DNA nucleotide
What is phosphate group, deoxyribose sugar and nitrogen bases.
500
What happens if the order of base pairs in a DNA molecule change?
What is mutations occur
500
State two functions of DNA
1. Direct and control protein synthesis 2. DNA replication
500
What is the result of replication?
What is the formation of two DNA molecules, each of which jis identical to the orginal DNA molecule.
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