Question:
A specific recognition sequence identified by endonucleases to make cuts at specific positions within the DNA is
A specific recognition sequence identified by endonucleases to make cuts at specific positions within the DNA is
Updated On: Jun 21, 2024
Poly(A) tail sequences
Degenerate primer sequence
Okazaki sequences
Palindromic Nucleotide sequences
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The Correct Option is D
Solution and Explanation
The correct answer is option (D): Palindromic Nucleotide sequences
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Concepts Used:
Proteins
An essential part of every cell in our body, protein is one of the three macronutrients which is required by our body in larger amounts. Proteins are made up of linear chains of smaller units called amino acids. Every biochemical process that takes place inside our bodies is possible because of these proteins. Proteins are 3-dimensional structures that are assembled with different amino acid sequences.
Functions of Protein
Proteins are used in many ways. Some of their functions are:
- Enzymes: Most of the important chemical reactions which take place inside a cell are mostly carried out by enzymes. They also play a role in regenerating and creating DNA molecules and carrying out complex processes.
- Hormonal Regulation: Proteins create various types of hormones that help in balancing the components of the body. For example, hormones like insulin help in regulating blood sugar and secretin. The formation of digestive juices essential for the whole digestion process is also possible because of hormones.
- Protection: Being the main constituent of antibodies, proteins protect our body against antigens and pathogens thus preventing infections.
- Energy: Proteins are one the most essential sources of energy required for our body movements. The right amount of proteins should be consumed so that they can be turned into energy.
- Structural functions: Proteins are the building blocks of the body. They are required for the growth, development, healing, and repair of tissues. Proteins are essential in order to strengthen various structures like hair, skin, and muscles. It is also present in the outer membrane of all cells in the human body.
Classification of Protein
Proteins are classified on the basis of:
- Shape
- Constitution
- Nature of Molecules
Protein Structure
A protein molecule is made from a long chain of amino acids, each linked to its neighbor through a covalent peptide bond. The structure of proteins are divided into four types:
- Primary Structure
- Secondary Structure
- Tertiary Sector
- Quaternary Structure