Each time a cell divides, the two resulting daughter cells must contain exactly the same genetic information, or DNA, as the parent cell. To accomplish this, each strand of existing DNA acts as a ...

Each parent contributes a set ... We've now zoomed in enough to see portions of the DNA strand. The DNA is wrapped around histones -- protein structures that are sometimes depicted as discs.

In short, DNA is a complex molecule that consists of many components, a portion of which are passed from parent organisms ... DNA is often found as a single-stranded polynucleotide, it assumes ...

DNA is a complex molecule that consists of two strands coiled around each other to form a double helix structure. Comparison of a single-stranded RNA and a double-stranded DNA with their corresponding ...

TComparison of a single-stranded RNA and a double-stranded DNA with their corresponding nucleobases (Image ... determines the genetic traits of an organism and is passed down from parent to offspring ...

"When our cells divide, our DNA needs to be copied so that a complete set of genetic instructions is passed down from a ...

The DNA of human cells consists of a sequence of about 3.1 billion building blocks. Cells go to great lengths to maintain the ...

Original DNA template - DNA is a double helix made of two complementary strands. Each strand can be used as a template to create a new DNA molecule. Free DNA nucleotides – needed to form the new ...

For DNA to replicate, the helix must first unwind and break the DNA from a double strand into two single strands. Upon binding, helicases melt the DNA, breaking the chemicals bonds holding the ...