DNA's Structure
DNA's Function
Hierarchy
Asexual
Sexual
100
The shape of DNA
What is double helix?
100
DNA does this whenever new cells are made.
What is copies or replicates
100
A nucleus is inside this.
What is a cell?
100
The number of parents needed in asexual reproduction.
What is 1?
100
It takes one ___ and one ___ reproductive cell to make offspring.
What is male/female?
200
Which nitrogen base always pairs with A?
What is T?
200
After DNA untwists it must do this before free-floating nucleotide bases fill in the spaces.
What is unzip?
200
The number of chromosomes in a human egg or sperm.
What is 23?
200
The offspring are always ____ to the parent.
What is identical?
200
Offspring are always _____
What is unique?
300
Two scientists credited for discovering the shape of DNA.
Who are Watson and Crick?
300
DNA's directions tell the ribosomes how to make these.
What are proteins?
300
The estimated number of genes in the human genome.
What is 30,000-40,000?
300
This is a disadvantage to asexual reproduction.
What is it takes longer to adapt to changing environments?
300
Disadvantage of sexual reproduction
What is takes more time and energy than asexual reproduction?
400
These two chemicals make up the side/backbone of DNA.
What are sugar and phosphate?
400
This cell organelle makes proteins.
What is ribosome?
400
Sort these in order from largest to smallest: genes, chromosomes, bases, cell, nucleus
cell nucleus chromosomes genes bases
400
This is an advantage to asexual reproduction.
What is usually more offspring OR takes less time and effort than sexual reproduction.
400
Advantage of sexual reproduction
What is can adapt to changing environments because of genetic variation?
500
1 sugar, 1 phosphate and a nitrogen base make up this part of DNA.
What is a nucleotide?
500
This acts as a messenger and gets the DNA code to the ribosomes.
What is RNA?
500
The complete set of DNA in every cell is called this.
What is the genome?
500
This is a form of asexual reproduction performed by fungus
What is budding?
500
The male reproductive cell of a flowering plant.
What is pollen?
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