4 Questions
What is the structure of DNA in eukaryotic cells?
DNA in eukaryotic cells is made up of millions of nucleotides bonded together to form a double helix shape.
What are the components of a nucleotide in DNA?
Each nucleotide consists of a phosphate and a sugar molecule that forms the backbone of the DNA strand along with one of four nitrogenous bases.
What is the function of DNA in coding for amino acids?
DNA codes for amino acids, which comprise proteins.
What happens to the DNA during cell replication?
At certain times in the life of human cells, they undergo replication, which means the DNA must double in volume.
Study Notes
DNA Structure
- DNA in eukaryotic cells is composed of millions of nucleotides bonded together to form a double helix shape.
- A nucleotide consists of a phosphate, a sugar molecule, and one of four nitrogenous bases.
Function of DNA
- DNA codes for amino acids, which are the building blocks of proteins.
Replication Process
- Human cells undergo DNA replication, resulting in the DNA doubling in volume.
- This process occurs at specific times in the life of human cells.
Genes and Traits
- A DNA molecule contains thousands of genes that influence the characteristics and traits of individual humans.
Test your knowledge on DNA replication in eukaryotic cells with this informative quiz. Explore the structure of DNA, the role of nucleotides, and the process of DNA replication.
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