Answer:
A. Mutations change the nucleotide sequence of the gene, resulting in a different arrangement of amino acids.
Explanation:
Mutations alter the sequence of nucleotides in a molecule of DNA. DNA is used to create mRNA, which is used to create a chain of amino acids that make a protein. If the mutation changes the sequence of DNA, then the sequence of amino acids and the final protein will be different.
This can affect its structure and function. If the protein is a cell surface protein, and its structure is significantly altered, antibodies may no longer recognise and bind to the protein.
Fatty acids are building blocks of lipids. The correct option is A.
Fats and oil are known as lipids.
Lipids are part of the classes of food which are made up of high proportion of carbon and hydrogen with very little oxygen.
Fats are solids and oils are liquids at room temperature. They serve the following functions to the body:
- They provide the body with energy
- They are solvents for fat-soluble vitamins and hormones.
Before lipids can be absorbed into the body, they must be broken down into fatty acids and glycerol.
Therefore, fatty acids are building blocks of lipids.
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Answer:
Explanation:crystal size in igneous rocks is determined by how quickly magma or lava cooled to form it.
Answer:
Because the organism is asymmetrical and it was able to regenerate, it’s probably (an amphibian), and belongs to the phylum (Mollusca).
