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Proteins

Proteins are the macromolecules coded in our DNA that function as a biocatalyst and build our body. Apart from Biological knowledge, there are spectacular concepts in the field of proteins. How does a protein produce a function, how do they interact, how did they evolve and how do protein mutations cause disease.

460 Questions

What substance is known as a nutritional building block in food that the body uses for growth and repair?

Protein is the macronutrient that serves as a nutritional building block for the body. It is essential for growth and repair of tissues, including muscles, organs, and skin. Protein is made up of amino acids, which are the basic units that the body uses to perform various functions.

Are proteins organic?

Yes, proteins are organic molecules composed of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. They are essential for numerous biological functions in living organisms.

What are LBV proteins?

LBV proteins are a class of plant proteins known as late blight resistance proteins. They play a role in protecting plants from the devastating potato late blight disease caused by the Phytophthora infestans pathogen. LBV proteins are involved in plant defense mechanisms and can confer resistance to the disease in crops.

Do vegetables have proteins?

Yes, vegetables can be a source of protein, but you have to be aware of those that are and choose your foods accordingly. For example, beans are considered to be a good source of protein. Other examples include legume seeds, broccoli, and spinach.

What are inert proteins?

Inert proteins are proteins that do not have any enzymatic activity or biochemical function in the body. They mainly serve structural roles, such as in providing support and strength to cells and tissues. Examples include collagen and keratin.

Are prostaglandins proteins?

No, prostaglandins are not proteins. Prostaglandins are lipid compounds derived from fatty acids. They play a role in inflammation, blood clotting, and other important physiological processes in the body.

Name all proteins?

There are many proteins available for our bodies, and are even divided up in categories.

Despite the categories, some proteins are tubulin, collagen, and myosin. For a full list of proteins, try this list here:

http://en.wikipedia.org/wiki/List_of_proteins

Where are proteins built?

Proteins are built in ribosomes within a cell. Ribosomes read the genetic information carried by messenger RNA (mRNA) and assemble amino acids into protein chains through a process called translation.

What organ digests proteins?

The stomach is the main organ responsible for digesting proteins. It secretes enzymes like pepsin and hydrochloric acid to break down proteins into smaller peptides and amino acids for absorption in the small intestine.

Are proteins composed of?

Proteins are composed of amino acids, which are organic compounds containing an amino group (-NH2) and a carboxyl group (-COOH) bonded to a central carbon atom. Amino acids are linked together in a specific sequence to form a protein through peptide bonds. This sequence determines the unique structure and function of each protein.

What enzyme digests proteins?

Protease, Bromelian(from pinnapples),and Papain(from papaya)

How much protein does watermelon have?

Watermelons are mostly water--about 92 percent--but this fruit is soaked with nutrients. Each bite that the human body takes, has a significant level of vitamins A, B6 and C, lots of lycopene, antioxidants and amino acids. There's even a modest amount of potassium.

Does cotton contain proteins?

Yes, cotton does contain proteins. The protein found in cotton is known as cellulose, which makes up the structure of the cotton fibers. Cellulose is a complex carbohydrate polymer made up of repeating glucose units.

10 examples of proteins?

  1. Hemoglobin: carries oxygen in red blood cells.
  2. Insulin: regulates blood sugar levels.
  3. Collagen: provides structure and support in connective tissues.
  4. Enzymes: catalyze chemical reactions in the body.
  5. Keratin: forms hair, nails, and skin.
  6. Immunoglobulins: part of the immune system, fight infections.
  7. Myosin: involved in muscle contraction.
  8. Albumin: maintains osmotic pressure in blood.
  9. Fibrinogen: essential for blood clotting.
  10. Actin: involved in cell movement and muscle contraction.

Are integral proteins amphipathic?

yes it can as its outside edges stick out of the phospholipid bilayer exposing it to the watery environment (polar/hydrophilic) and part of the protein is inside the bilayer along with the phospholipid tails (hydrophobic/nonpolar).

Where a proteins produced?

Protein biosynthesis is the process in which cells build or manufacture proteins. The term is sometimes used to refer only to protein translation but more often it refers to a multi-step process, beginning with amino acid synthesis and transcription of nuclear DNA into messenger RNA, which is then used as input for translation.

The synthesis of proteins is known as translation. Translation occurs in the cytoplasm, where the ribosomes are located. Ribosomes are made of a small and large subunit that surround the mRNA. In translation, messenger RNA (mRNA) is decoded to produce a specific polypeptide according to the rules specified by the trinucleotide genetic code. This uses an mRNA sequence as a template to guide the synthesis of a chain of amino acids that form a protein. Translation proceeds in four phases: activation, initiation, elongation, and termination (all describing the growth of the amino acid chain, or polypeptide that is the product of translation).

Source: Wikipedia-en

Why are proteins called proteins?

I dont know why you want to know this. But to answer this, I must say there is no link to explain the word to protein. It must be named like other names in the world that doesnt actually refer something else.

Do lipids produce proteins?

No, lipids do not produce proteins. Lipids are a class of molecules that includes fats, oils, and cholesterol, which primarily serve as energy storage, membrane components, and signaling molecules in cells. Proteins, on the other hand, are produced by cells through the process of protein synthesis using the genetic information encoded in DNA.

Which level of protein structure has four subunit peptides?

Quaternary structure of proteins consists of multiple polypeptide subunits coming together to form a functional protein complex. If a protein has four subunit peptides, it exhibits quaternary structure.

Helix capping in proteins?

When non polar residues are situated near the helix termini, they are often exposed to solvent. Proteins will compensate for this problem by helix capping. This is simply the provision of H-bond partners for the otherwise bare N-H and C=O groups. Folding places the hydrophobic regions inside the protein.

Function of recognition proteins?

Recognition proteins are involved in identifying and binding to specific molecules or cells. They play a key role in immune responses, cell signaling, and cell-cell interactions. In the immune system, recognition proteins help differentiate between self and non-self molecules.

Organelle that make proteins?

Ribosomes are the organelles responsible for synthesizing proteins in the cell. They can be found either free-floating in the cytoplasm or attached to the endoplasmic reticulum. Ribosomes translate the genetic information from mRNA into chains of amino acids to form proteins.

Chromatin contains proteins called?

Histones are the main proteins in chromatin, histones are a group of five small basic proteins in the nucleus.

Examples of incomplete proteins?

Examples of incomplete proteins include beans, rice, lentils, nuts, and seeds. These proteins lack one or more essential amino acids needed by the body. To get all essential amino acids, it's important to combine incomplete proteins throughout the day.