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DNA consists of how many chains?
A DNA molecule has two chains of nucleotides. Each chain is usually referred to as a DNA strand. RNA has only one strand.
What is the most basic DNA structure?
The most basic DNA structure is a double helix composed of two complementary strands of nucleotides held together by hydrogen bonds. Each strand consists of a sugar-phosphate backbone with nitrogenous bases (adenine, thymine, cytosine, and guanine) attached to the sugars.
What is a matching strand of DNA compared to AGTAAC?
A matching strand of DNA to the sequence AGTAAC would be its complementary strand, which consists of the bases that pair with each nucleotide. In DNA, adenine (A) pairs with thymine (T), and guanine (G) pairs with cytosine (C). Therefore, the complementary strand to AGTAAC would be TCATTG.
If there are 1200 nucleotides in DNA strand how may codons will be in mRNA strand?
400 codons.Because 3 consecutive nucleotides in a gene together form a codon which codes for amino acids.
How does each separated strand begin a new strand?
With a small piece of primer,and active polymerase(enzyme) it replicates the complementary strand of the DNA
What is the handrails each DNA strand made up of?
Each DNA strand is made up of a backbone composed of alternating sugar and phosphate molecules, which are connected by covalent bonds. The nitrogenous bases (adenine, thymine, cytosine, and guanine) project inward from the backbone and pair up with complementary bases on the opposite strand through hydrogen bonding. This base pairing forms the "rungs" of the DNA ladder.
DNA consists of how many chains?
A DNA molecule has two chains of nucleotides. Each chain is usually referred to as a DNA strand. RNA has only one strand.
What happens after replication?
each new DNA double helix consists of one old strand and one new strand
What fills in the hand rails of each new DNA strand?
alternating deoxyribose sugar molecules and phosphate groups
During dna replication each double helix produced consists of?
During DNA replication, each double helix produced consists of one original parental strand and one newly synthesized daughter strand. The parental strand serves as a template for the synthesis of the complementary daughter strand, resulting in two identical double helices.
How many rungs are in a DNA molecule?
A DNA molecule consists of two strands that are connected by hydrogen bonds between complementary bases. Each strand has a backbone made up of alternating sugar and phosphate groups, with bases extending inward. The number of rungs in a DNA molecule depends on the length of the molecule, with each base pair forming one "rung."
What makes up the sides of the ladder of a DNA molecule?
The sides of a DNA molecule are made up of alternating sugar molecules (deoxyribose) and phosphate groups that form the sugar-phosphate backbone. Each sugar molecule is connected to one of four nitrogenous bases (adenine, thymine, cytosine, or guanine) that extend inward from the backbone and pair with a complementary base on the opposite strand.
What is the most basic DNA structure?
The most basic DNA structure is a double helix composed of two complementary strands of nucleotides held together by hydrogen bonds. Each strand consists of a sugar-phosphate backbone with nitrogenous bases (adenine, thymine, cytosine, and guanine) attached to the sugars.
What are polymeric backbone in silicone and phoazenes?
Polymeric backbones in silicones and phthalonitriles are fundamental components that define their structural and functional properties. In silicones, the backbone consists of alternating silicon and oxygen atoms (Si-O), which confer flexibility and thermal stability. In contrast, phthalonitriles feature a backbone formed by aromatic rings linked by nitrile groups (–C≡N), providing rigidity and high thermal resistance. These distinct backbones influence the physical properties and applications of each polymer type.
What is a matching strand of DNA compared to AGTAAC?
A matching strand of DNA to the sequence AGTAAC would be its complementary strand, which consists of the bases that pair with each nucleotide. In DNA, adenine (A) pairs with thymine (T), and guanine (G) pairs with cytosine (C). Therefore, the complementary strand to AGTAAC would be TCATTG.
At the end of replication each new DNA molecule is composed of?
After DNA replication, each new molecule has one strand of the original DNA molecule and the other strand is composed of new nucleic acids. This is due to the semi-conservative replication of DNA.
What is a long loose strand of DNA typical for the nucleus of a cell?
The chromatids are the threadlike strands that chromosomes of DNA take during cell division. Each of these consists of a single long strand of DNA double-helix.
