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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

Is there any spiritual significance to laminin?

Truthfully no. The most that one can gather from a laminin is the diagram shape is of a cross. I have heard a few sermons and talks of how the laminin is a sign of God or a metaphor for the way Christ holds together the church, the world, or etc. I simply ask that we, as Christians, please leave these instances as merely metaphors. Do not use these in any apologetic conversations as they have no debatable merit.

What is a side chain of an amino acid?

Side chain = r group

All aa have carboxyl and amine groups alond with a side chain. Side chains are unique, differentiating one amino acid from another. It determines the properties like shape, pH, composition, etc

Result of mixing both enzymes with there substrates in a single test tube?

Mixing both enzymes with their substrates in a single test tube could result in the enzymes catalyzing their respective reactions simultaneously. This may lead to the production of different products depending on the specificity of each enzyme for its substrate. However, it is important to consider factors such as pH, temperature, and compatibility of the enzymes to ensure proper activity and prevent any interference between the reactions.

Where can proteins be found in the body?

I don't think they are stored. Obviously they are used to make structures such as muscle. If there is a dietary shortage of protein muscle can be broken down to provide amino acids. I have been told that small amounts of muscle tissue may break down in the short period of overnight fasting, and that this has encouraged dieticians to stress the importance of breakfast. I cannot give references for this and frankly consider it should be treated with caution.

What chemical elements make up protein?

Proteins are made up of carbon, hydrogen, oxygen, nitrogen, and in some cases sulfur. These elements combine in various arrangements to form different amino acids, which are the building blocks of proteins.

How does meiosis differ from mitosis?

Mitosis makes new cells that are used during growth, development, repair, and asexual reproduction.

Meiosis makes cells that enable an organism to reproduce sexually and happens only in reproductive structures.

They both lead to cell division, rest is different. Meiosis leads to reductional division, taking place in sex cells only while Mitosis takes place in somatic (body) Cells. Meiosis produces 4 daughter Cells and mitosis produces 2.

Which macromolecule makes up an enzyme?

Actually, proteins themselves are macromolecules. They are made of multiple polypeptide chains linked together. Polypeptide chains are then the result of multiple amino acids linked by peptide bonds between the amino groups and acid groups.

The development stages of proteins are divided into four stages:

1) Primary - A simple polypeptide chain of amino acids

2) Secondary - Polypeptide chains folded as a result of hydrogen bond influence. Commonly seen as either alpha helices (like the double helix of a DNA, but singular) or beta sheets(picture rectangles linked together to form a zigzagged, shingle-like form)

3) Tertiary - A even more complex form of polypeptide chains with many/multiple folds. At this point the protein is gaining a real shape and its purpose more specified.

4) Quaternary - Several tertiary forms combine into one more complex structure. The specific shape determines the proteins final purpose and tasks.

Basically proteins are jumbles of polypeptide chains which are combinations of the 20 various amino acids which are made of an amino group, variable group, acid group, and a hydrogen. The elements used are always Carbon, Hydrogen, Oxygen, Nitrogen, and sometimes Sulfur.

Which bond that stabalizes a proteins tertiary structure is the strongest?

Disulfide bonds are the strongest covalent bonds that stabilize a protein's tertiary structure. They form between cysteine residues that have sulfhydryl groups, creating a covalent linkage that can withstand denaturation forces.

Why is DNA replication called semi conservative?

DNA replication of one helix of DNA results in two identical helices. If the original DNA helix is called

the "parental" DNA, the two resulting helices can be called "daughter" helices. Each of these two daughter helices is a nearly exact copy of the parental helix (it is not 100% the same due to mutations).

DNA creates "daughters" by using the parental strands of DNA as a template or guide. Each newly synthesized strand of DNA (daughter strand) is made by the addition of a nucleotide that is complementary to the parent strand of DNA. In this way, DNA replication is semi-conservative, meaning that one parent strand is always passed on to the daughter helix of DNA.

What happens to the boiling point of water at higher elevations where atmospheric pressure is less?

The boiling point of water decreases at higher elevations where atmospheric pressure is lower. This is because the lower pressure makes it easier for water molecules to escape into the air, requiring less energy to reach the boiling point.

What organelle lacks enzyme needed for lipid breakdown in tay Sahs Syndrome?

The lysosome is the organelle that lacks the enzyme needed for lipid breakdown in Tay-Sachs disease. This genetic disorder results in the accumulation of lipid molecules in the lysosomes, leading to cellular dysfunction and damage, particularly in nerve cells.

What are nucleotides made of?

Ribo-nucleotides [that make up Ribo Nucleic Acid] comprise ribose sugars, phosphate groups for chain bonding, and nitrogenous bases for information content and exchange.

2' deoxy-ribose sugar moieties comprise Deoxy-ribose Nucleic Acid.

If a nucleoside is different from a nucleotide I haven't been able to find it.

Nucleic acids are made up of nucleotides. Each nucleotide is composed of a sugar + a phosphate + a nitrogen base. The nitrogenous bases are Adenine which pairs with Thymine and Cytosine which pairs with Guanine. Nucleotide polymers, (chains of nucleotides) are made up of nucleotides linked to the -OH group on the 3' carbon of one nucleotide and the phosphate on the 5' of the following nucleotide. The two chains in a double helix run antiparallel to one another.

What substance is necessary for the synthesis of most material in an organism?

Carbon is a necessary substance for the synthesis of most material in an organism. It forms the backbone of organic molecules like proteins, carbohydrates, and lipids, which are essential for the structure and function of living organisms.

What molecule do you remove from glucose and fructose to make sucrose?

To make sucrose, a molecule of water is removed from glucose and fructose. This dehydration reaction results in the formation of a glycosidic bond between the glucose and fructose molecules, creating sucrose.

Why is taking fresh fruit and vegetables from vitamin c better than taking tablets?

Well, it's better to eat fruit, and see if you get the decent amount of vitamin C that you want, instead of taking a risk of eating a tablet for it, and get sick or something. Hope this helps! : )

-Your Average Advanced-Content 6th Grader

What is removed when joining the individual glucose monomers together?

When joining individual glucose monomers together to form a polysaccharide like starch or glycogen, a water molecule is removed in a condensation reaction to form a glycosidic bond.

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.