FreeNotes
Enzymes play crucial roles in DNA replication by unwinding the double helix, synthesizing new DNA strands, and ensuring accuracy. Helicase unwinds the DNA, DNA polymerase synthesizes the new strand by adding nucleotides, primase creates short RNA primers to initiate synthesis, and ligase joins the DNA fragments together. These coordinated activities ensure the faithful replication of … Read more
The double helix structure of DNA provides a stable yet flexible framework for storing genetic information. It allows for the complementary base pairing between the two strands, which is critical for accurate DNA replication and repair. This structure also facilitates the compact packaging of DNA into chromosomes within the nucleus. Related Questions: Compare ratios of … Read more
Transcription is the process by which a segment of DNA is copied into messenger RNA (mRNA) by the enzyme RNA polymerase. This process occurs in the nucleus and involves the separation of the DNA strands, the formation of a complementary RNA strand, and the subsequent processing of the mRNA before it is exported to the … Read more
DNA carries the genetic instructions necessary for the development, functioning, and reproduction of all living organisms. It stores information in the sequence of its nucleotide bases, which serves as a template for the synthesis of RNA and proteins, thereby governing cellular activities and heredity. Related Questions: Compare ratios of bio-elements. Compare the energy level … Read more
The primary structure, which is the sequence of amino acids in a polypeptide chain, determines the protein’s final shape and function. Any change in this sequence can alter the protein’s structure, leading to functional disorders or diseases. Related Questions: Compare ratios of bio-elements. Compare the energy level of carbohydrates, proteins, and lipids. How is … Read more
Plant-based proteins are found in legumes (beans, lentils, peas), grains (wheat, rice, corn), nuts (almonds, peanuts), and vegetables (spinach, broccoli). Related Questions: Compare ratios of bio-elements. Compare the energy level of carbohydrates, proteins, and lipids. How is biochemistry important for the study of physiology, cell biology, and anatomy? Define a gene. Name the structural … Read more
Carbohydrates serve as structural components in the form of cellulose in plants and chitin in arthropods. They also act as an energy source, with glucose being the primary fuel for cellular respiration. Related Questions: Compare ratios of bio-elements. Compare the energy level of carbohydrates, proteins, and lipids. How is biochemistry important for the study of … Read more
A gene is a specific sequence of DNA that codes for a protein or functional RNA molecule, playing a crucial role in heredity and controlling biological traits. Related Questions: Compare ratios of bio-elements. Compare the energy level of carbohydrates, proteins, and lipids. How is biochemistry important for the study of physiology, cell biology, and … Read more
Biochemistry explains how biomolecules function in physiological processes, cellular functions, and anatomical structures. It helps understand metabolism, genetic information transfer, enzyme activity, and disease mechanisms, forming the foundation of medical and biological sciences. Related Questions: Compare ratios of bio-elements. Compare the energy level of carbohydrates, proteins, and lipids. Define a gene. Name the structural … Read more
Carbohydrates provide 4 kcal per gram, proteins also yield 4 kcal per gram, whereas lipids are the most energy-dense, providing 9 kcal per gram. Lipids serve as long-term energy storage, while carbohydrates offer quick energy and proteins primarily function in body repair and growth. Related Questions: Compare ratios of bio-elements. How is biochemistry important … Read more