When one DNA double helix replicates, this is created.
What is 2 completely identical DNA double helixes?
100
We have this many chromosomes in each of our cells.
What is 46? (or 23 pairs)
100
Fruit flies have this many chromosomes, which make them ideal for scientific study.
What is 8?
200
All cells come from _______________.
What is other cells?
200
The DNA backbone is made out of these 2 chemicals.
What is sugar and phosphate?
200
This molecule unzips the double helix.
What is a protein (called helicase)?
200
Chromosomes are made of these 2 things.
What is DNA and proteins?
200
These 2 men are accredited with creating the first 3D model of DNA.
Who is Watson and Crick?
300
This explains why our cells continue to divide through our entire life.
What is even though we may stop growing, our cells always have to be able to replenish old cells so our body can continue to function efficiently?
300
Deoxyribose always connects to these two parts in the DNA ladder.
What is a phosphate and a nitrogen base?
300
We call the 2 unzipped strands of DNA _________________ strands.
What is "template"?
300
Two matching chromosomes are called _____________.
What are chromatids?
300
This would be a good analogy for understanding DNA and proteins.
What is DNA is the recipe book and proteins are the chef?
400
Cell division is necessary for these 4 reasons.
What is growth, development, repair of tissue, and reproduction?
400
These are found in DNA, which code for specific traits in the body.
What are genes?
400
This happens once the DNA is unzipped.
What are nucleotides in the cell join to the unzipped strands?
400
DNA wraps around this molecule when it compacts into chromosomes.
What is protein? YES! ANOTHER protein. :)
400
The DNA of a mouse is made out of these chemicals.
What are phosphates, sugars, adenine, thymine, guanine, and cytosine--the same as you and me!?
500
This explains how cell division helps us develop?
What is as cells divide they specialize, which means that they begin to start performing a specific task in the body and this helps us develop into a fully functional human being?
500
This explains IN DETAIL the reason that the double helix stays together.
What is the hydrogen bonds between the complementary base pairs cause a magnetic attraction that keeps the strands together?
500
This is why it is so important that the original DNA becomes the 2 template strands.
What is so that each new strand of DNA is identical to the parent DNA so each new cell has the same exact instructions as the old cell?
500
This explains why it is beneficial for DNA to condense into chromosomes before the cell divides.
What is the DNA is organized and condensed so it doesn't get knotted or twisted during the cell division process?
500
This molecule leaves the nucleus and travels out to the cytoplasm to create proteins for the cell.