Which best describes the structure of a DNA molecule-?
2024年6月21日 · A DNA molecule is a double helix structure made up of two strands that are composed of nucleotides. Each nucleotide consists of a sugar molecule, a phosphate group, and a nitrogenous base (adenine ...
What best describes the structure of DNA? - Answers
2024年6月15日 · DNA is a double helix structure made up of two strands of nucleotides twisted around each other. These nucleotides are composed of a sugar, a phosphate group, and one of four nitrogenous bases ...
How would you describe the structure dna? - Answers
2024年5月27日 · DNA is a double-stranded molecule that resembles a twisted ladder, known as a double helix. It consists of four different nucleotide bases - adenine, thymine, cytosine, and guanine - that pair up ...
Is DNA a structurally simpler molecule than protein? - Answers
2024年6月13日 · DNA is made up of a double helix structure composed of nucleotides, while proteins are composed of long chains of amino acids that fold into complex three-dimensional structures. However, proteins ...
Why do DNA strands have an asymmetrical structure? - Answers
2024年6月20日 · DNA strands have an asymmetrical structure because of the specific pairing of nucleotide bases (A-T and G-C) in the double helix. This complementary base pairing results in two antiparallel ...
How does DNA from bacteria differ from DNA in humans?
2024年6月7日 · The DNA of bacteria differs from human in terms of shape and structure. DNA of bacteria is double stranded but circuler whereas human DNA is spiral. This answer is:
Does DNA have oxygen? - Answers
2024年6月8日 · DNA does not contain oxygen in its structure. DNA is made up of phosphate groups, deoxyribose sugars, and nitrogenous bases, but it does not contain oxygen in its chemical composition.
Which letters represent the possible bases in the dna structure?
2024年6月13日 · The letter U (uracil) does not represent one of the possible bases in DNA structure. In DNA, the four bases are adenine (A), thymine (T), cytosine (C), and guanine (G). Uracil is found in RNA ...
How long is DNA if completely unraveled? - Answers
2023年8月9日 · James Watson and Francis Crick unraveled the structure of DNA, which is a double-helix molecule that carries genetic information in cells. Their discovery in 1953 laid the foundation for modern ...
What cell structures is found in both a bacterial cell and an
2024年10月6日 · One cell structure found in both bacterial and animal cells is the ribosome. ... They are structures made of DNA and proteins that carry genetic information and are responsible for transmitting ...