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In what form did DNA exist before the evolution of cellular organisms?
amino acids formed from chemicals. DNA is a molecule, and it is a molecule containing other smaller molecules. DNA ->Nucleotides -> Amino Acids -> Chemicals.
What is a change in DNA sequence caused by a mistake in DNA replication or exposure to radiation or chemicals called?
A change in DNA sequence caused by a mistake in DNA replication or exposure to radiation or chemicals is called a mutation. Mutations can lead to variations in genes and can sometimes result in negative effects on an organism's traits or health.
What chemicals does chloroplast contian?
dna cristae stroma
What are the four chemicals for DNA?
Adenine, guanine, cytosine, thymine.
What are the Chemicals that react with DNA?
Chemicals that can react with DNA include alkylating agents (e.g. EMS), intercalating agents (e.g. ethidium bromide), oxidative agents (e.g. hydrogen peroxide), and reactive oxygen species like hydroxyl radicals. These chemicals can lead to DNA damage such as base modifications, strand breaks, and crosslinks.
What 4 chemicals make up DNA strands?
Adenine (A), Thymine (T), Guanine (G), and Cytosine (C) are the four chemicals that make up DNA strands. These chemicals are known as nucleotide bases and they pair up in specific combinations to form the genetic code in DNA molecules.
What are the 3 major groups of chemicals in DNA?
What are the 3 major groups of chemicals in DNA? DNA is made up of three basic chemical components: Phosphate. Deoxyribose (a sugar). Two Pyrimidines Cytosine and Thymine. Two Purines Guanine and Adenine.
A change in DNA sequence caused by a mistake in DNA replication or exposure to radiation or chemicals?
A mutation is a change in the DNA sequence that can occur due to errors in DNA replication, exposure to radiation, or chemicals. Mutations can have various effects on an organism, such as causing genetic disorders or contributing to evolutionary changes.
What two chemicals form the outer parts of the model DNA?
The two chemicals that form the outer parts of the DNA molecule are deoxyribose sugar and phosphate groups. These molecules form the backbone of the DNA double helix structure, with the nitrogenous bases positioned in between them.
What does DNA provide a living organism?
DNA provides the information necessary to take a number of lifeless chemicals and turn them into a living system.
What DNA provide to a living organism?
DNA provides the information necessary to take a number of lifeless chemicals and turn them into a living system.
What genes tell information to the cell of how to build these chemicals?
DNA (deoxyribonucleic acid)
