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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

What must be available in the cell for the electron transport chain to run?

For the electron transport chain to run, oxygen must be available as the final electron acceptor. Additionally, other components needed include NADH and FADH2 to donate electrons, the electron carriers in the inner mitochondrial membrane, and ATP synthase for ATP production.

What makes up nucleotide?

A nucleotide consists of three main components: a phosphate group, a sugar molecule (such as deoxyribose in DNA or ribose in RNA), and a nitrogenous base (adenine, cytosine, guanine, or thymine in DNA; adenine, cytosine, guanine, or uracil in RNA). These components join together to form the basic building blocks of nucleic acids like DNA and RNA.

What does a cell membrane function with?

The cell membrane surrounds the cytoplasm. It works as a semipermeable filter for those substances required by the cell. It is elastic in nature and grows along with the increasing volume of cytoplasm.

What are all Cells surrounded by?

Cells are typically surrounded by a cell membrane, also known as the plasma membrane. This structure provides a protective barrier around the cell, regulating the passage of molecules in and out of the cell.

What is Sue Crose related to?

Sue Crose is related to the field of human resource management as she is a Chief Human Resources Officer at a company.

Can enzyme activity be affected by salinity and inhibitors?

Yes, both salinity and inhibitors can affect enzyme activity. There are two types of inhibitors, non-competitive and competitive inhibitors that will either bind to the allosteric or active site respectively.

The tertiary structure of a protein is the?

Is the many foldings and twists resulting from the interactions of the R group side chains; hydrophobic interactions, hydrogen bonding between polar groups, ionic bonding between charged groups, hydrophyllic interactions and covalent bonding between sulfur containing groups.

All this contributes to the globular or other shape the mature protein will take.

What are the helpful microbes called?

There are different types of beneficial microbes, an example of it is nitrosomonas that converts nitrogen to be used by animals and plants. Another example is the microflora which is good microbes living in human body.

What is the primary source of energy for the human body?

The human bodies' primary source of energy is glucose. Glycogen can be called on if the body is under stress.

What is the function of allelic ladder?

An allelic ladder is a mixture of DNA fragments of known sizes that are used as a reference to estimate the size of DNA fragments in a sample by gel electrophoresis. It helps in determining the sizes of unknown DNA fragments by comparing their migration distances to those of the fragments in the allelic ladder on the gel.

Where does the term carbohydrate come from referring to the parts of the word?

The term "carbohydrate" comes from the chemical composition of these compounds, which consist of carbon, hydrogen, and oxygen molecules. The "carbo-" prefix refers to carbon, while the "-hydrate" suffix suggests the presence of water molecules in the structure.

What can cause the cell cycle to become uncontrolled?

Mutations in genes that control cell division, such as oncogenes or tumor suppressor genes, can lead to uncontrolled cell cycle progression. Environmental factors like radiation or chemicals can also disrupt cell cycle regulation. Additionally, viruses can integrate their DNA into the host cell's genome, affecting cell cycle control.

What vitamins help the body to use protein?

Vitamins B6, B12, and C play important roles in helping the body utilize protein. Vitamin B6 helps in the metabolism of amino acids, vitamin B12 aids in the synthesis of proteins, and vitamin C helps in the absorption of iron which is needed for protein production.

What does is mean for an organism to be anaerobic?

An anaerobic organism is one that can survive or grow in the absence of oxygen. These organisms typically utilize alternative electron acceptors, such as nitrate or sulfate, to generate energy for their metabolic processes. Anaerobic metabolism often produces byproducts such as methane or hydrogen sulfide.

What results from the action of sucrase on sucrose?

A molecule of common table sugar, sucrose, can be hydrolyzed into its two main molecular components by the enzymatic action of sucrase. Following hydrolysis, the resulting fragments are fructose and glucose.

What are the basic structural units of Dna and Rna molecules?

Answer: The basic unit of DNA and RNA is nucleic acid. Notice DNA and RNA both end in NA that is because NA stands for nucleic acid. The D in DNA stand for Deoxyribo. And the R in RNA stands for ribo. So DNA's full name is deoxyribo nucleic acid and RNA's full name is ribo nucleic acid.

How does polypeptide differ than an equal protein?

Both peptides and proteins are made up of strings of the body's basic building blocks – amino acids – and held together by peptide bonds. In basic terms, the difference is that peptides are made up of smaller chains of amino acids than proteins. ... As a general rule, a peptide contains two or more amino acids.

How is ATP related to DNA?

ATP (adenosine triphosphate) is involved in providing the energy needed for DNA replication, transcription, and repair. ATP is used as a source of energy by enzymes involved in these processes, ensuring that the DNA functions properly within the cell.

What are aerobes?

fitness exercise to heip body

Living or occurring only in the presence of oxygen, as in certain microorganisms

Aerobics is a complex of exercises that can help you to lose overweight pounds, effectively destroy cholesterol - the main enemy of blood vessels, and improve your mood liquidating stress.

Is oxygen an enzyme?

No, oxygen is not an enzyme. Oxygen is a gas that is essential for life as it is involved in the process of respiration, but it does not function as an enzyme. Enzymes are proteins that act as catalysts for chemical reactions in living organisms.

Where do calcitonin and parathyroid hormones come from?

Calcitonin is released from thyroid gland in response to hypercalemia. On the other hand, parathyroid hormone- as you guessed - is from parathyroid gland in response to low levels of blood calcium. Which will cause calcium to be released from bone into blood to compensate.

How Heavy Water is made?

You cant make heavy water in a normal home or lab you need to have very specilized equpiment for example huge electromagnets nuetron guns which is probably worth over $100,000 , take the easy option and buy it froma chemical supplier for example Sigma Aldrich

Multiple stage cascade electrolytic isotope enrichment. However the electricity cost to power the cascade will be much higher than the cost of equipment, unless you build right next to a very large hydroelectric plant and convince them to sell electricity to you at well below wholesale.

No electromagnets or neutron guns required.

What is an example of a current research focus in chemistry?

One current research focus in chemistry is the development of sustainable materials, such as biodegradable polymers and recyclable plastics, to address environmental concerns. Researchers are also studying the chemistry of renewable energy sources, like solar cells and batteries, to improve their efficiency and accessibility.

Why does the fetus need amino acids glucose calcium and iron?

Amino acids are essential for protein synthesis, glucose provides energy for growth and development, calcium is needed for bone formation, and iron is crucial for oxygen transport in the blood. These nutrients support the fetus's overall growth and development during pregnancy.