Answer:
Tertiary.
Explanation:
Primary structure of proteins refers to the order of amino acids that make up the protein. The heme is an nonprotein non-amino acid, so it is not involved at this stage.
Tertiary structure of proteins is the overall 3-D folding of the protein (it comes after secondary, which involves folding into a repeated pattern). The heme bonds to its correct position on the hemoglobin during this stage and helps in correct folding.
Answer:
C
Explanation:
RNA is found mostly in the nucleus but can also be found in the cytoplasm, but it is not limited to it.
The correct answer is DNA ligase.
<span>
DNA ligase<span> can be described as a DNA-joining enzyme. It has a possibility to link two pieces of DNA if they have the matching ends, using ATP as an energy source. As a result, unbroken molecule of DNA is formed.</span> It is used in recombinant DNA experiments, for example,<span> to insert genes and other pieces of DNA into plasmids.</span></span>
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Explanation:
