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Biochemistry

Biochemistry is the study of the structure, composition and chemical processes in all living organisms. It covers the structures and functions of various cellular components, including proteins, carbohydrates, nucleic acids, lipids, and other biomolecules.

8,065 Questions

Enzymes are classified as hormones functional proteins or structural proteins?

Enzymes are classified as functional proteins. They act as biological catalysts that speed up chemical reactions in the body without being consumed in the process. Hormones, on the other hand, are signaling molecules that regulate various physiological processes, while structural proteins provide support and structure to cells and tissues.

What happens when NAD plus becomes NADH?

When NAD+ is reduced to NADH, it accepts two electrons and a hydrogen ion, becoming a carrier of high-energy electrons. This conversion usually occurs during cellular respiration where NADH is a key player in transferring electrons to the electron transport chain for ATP production.

The structure of Cells that provide Its boundaries is called?

The structure of cells that provide boundaries is called the cell membrane. The cell membrane is a semi-permeable barrier that surrounds the cell, regulating the movement of substances in and out of the cell. It is composed of a lipid bilayer with embedded proteins.

What enzyme breaks down cellulase?

Cellulase is broken down by enzymes called cellulases, which are produced by certain microorganisms such as bacteria and fungi. These cellulases work by breaking down cellulose into smaller sugar molecules through a hydrolysis reaction.

What is monohybrid inheritance?

Monohybrid inheritance is where an individual inherits a characteristic which is determined by a single gene with two alleles. For Example: coat color in specific mice is determined by one coat color gene with two alleles B ( black fur) and b ( for brown fur) As you can see one is dominant (B) and one is recessive (b).

What is codon recognition?

Codon recognition is the specific pairing of three nucleotides in mRNA with complementary anticodons in tRNA during protein synthesis. This process ensures that the correct amino acid is added to the growing polypeptide chain according to the genetic code. Misrecognition of codons can lead to errors in translation and produce abnormal or nonfunctional proteins.

What are the forces which create the tertiary structure of a polypeptide?

The tertiary structure of a polypeptide is primarily determined by interactions between the R-groups of amino acids in the protein. These interactions include hydrogen bonding, disulfide bonds, hydrophobic interactions, and electrostatic interactions. The overall folding of the polypeptide chain into its tertiary structure is crucial for the protein's function.

Is ribose a disaccharide?

No, ribose is not a disaccharide. Ribose is a monosaccharide, specifically a pentose sugar, composed of five carbon atoms. It is a crucial component of RNA and plays a role in energy production in cells.

What is the component of starch?

Starch is a storage polysaccharide made of glucose (joined together by a 1-4 alpha glycosidic bond).

Describe the role of ATP in energy transfer within a cell?

adp plays cinderella and atp plays the fairy godmother. adp tranfers through the pumpkin carriage and atp flies. adp get energy ehen she has to leave at midnight in a hurry, leaving behind a glass slipper

Which system carries hormones from glands to all tissues?

The endocrine system carries hormones from glands to all tissues in the body. Hormones are chemical messengers that travel through the bloodstream to regulate various physiological processes and maintain homeostasis.

What is iron overload protein?

Iron overload protein refers to a group of proteins that help regulate iron levels in the body. These proteins are responsible for storing, transporting, and distributing iron to prevent excess iron accumulation, which can lead to health problems. Examples include ferritin and transferrin.

What does n-propyl salicylate smell like?

N-propyl salicylate, also known as tripropyl salicylate, has a sweet, floral, and slightly fruity smell with a touch of spiciness. It is commonly used in perfumes, soaps, and other personal care products for its pleasant odor.

Does the Calvin cycle Requires CO2?

The Calvin Cycle is a light-independent cycle, but it does not require darkness. although it can use light again it does not require it.

What molecules are water made of?

Water is made of two hydrogen atoms and one oxygen atom bonded together, forming a molecule with the chemical formula H2O.

How is Atp made in the Cell?

ATP is used to power almost all energy-requiring reactions in the cell. Cells use ATP to temporarily store energy. When the cell is in need of energy, a reaction occurs in which the ATP becomes ADP, and energy is released.

What are some interesting uses of DNA forensic identification?

DNA forensic identification is commonly used in criminal investigations to link a suspect to a crime scene or victim. It can also be used to establish biological relationships in cases of disputed parentage or identifying victims in natural disasters or mass casualty events. Additionally, DNA identification has been used to authenticate valuable items or artifacts and to trace the origin of products such as food or textiles.

How enzyme structure makes an enzyme very specific?

Enzymes are proteins, which are made up of amino acids. Each enzyme has a different sequence of amino acids and changing even one amino acid will mean that the tertiary structure of the enzyme will be lost and so will it's active site. As enzymes are substrate specific, only a certain substrate will bind to its active site, due to its amino acid sequence determining the shape of the active site.

What are three reasons why enzymes are important?

Enzymes are biological catalysts. They allow the reaction to occur, basically putting together molecules to allow the reaction to happen. They increase the rate of reaction without changing the outcome of the reaction. Increasing the rate of reaction so these reactions can occur fast enough to support life.

What amino acid is coded for GGG?

The amino acid coded by the RNA codon GGG is glycine.

What types of organisms carry out chemosynthesis?

Chemosynthesis is primarily carried out by bacteria and archaea living in extreme environments like hydrothermal vents, cold seeps, and deep-sea habitats. These organisms can convert inorganic compounds, such as hydrogen sulfide or methane, into organic compounds to produce energy.

Why does an isotope have the same chemical properties as a typical atom?

Almost all the chemical properties of an atom are determined by the valence shell electrons or in general, by the no of electrons present in the atom.

Since in an isotope and a general atom, no. of electrons is same, therefore they have similar chemical properties.

Isotopes differ in atomic mass only and that is due to extra neutrons.