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The primary characteristic of enzymes that sets them apart from other proteins is their ability to catalyze chemical reactions by lowering the activation energy required for the reaction to occur. Enzymes are composed of amino acids and have specific active sites that bind to substrates, allowing them to speed up biochemical reactions in living organisms.
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Which cell type can produce proteins?
All cells in the body have the ability to produce proteins. However, specialized cells such as epithelial cells, muscle cells, and liver cells are particularly efficient at synthesizing and secreting proteins needed for their specific functions.
Are capillaries permeable to proteins and if so, how does this characteristic impact the movement of substances within the circulatory system?
Yes, capillaries are permeable to proteins. This characteristic allows for the exchange of substances between the blood and surrounding tissues. Proteins can move in and out of capillaries, facilitating the transport of nutrients, hormones, and waste products throughout the circulatory system.
Why don't proteins function properly unless they are immersed in water?
Proteins are dependent on water to maintain their three-dimensional structure, which is crucial for their proper function. Water molecules surround proteins and help to stabilize their structure by forming hydrogen bonds with the protein molecules. Without water, proteins may denature and lose their shape, leading to loss of function.
What statement best describes the composition and function of proteins in organisms?
Proteins carry out many important functions. The enzymatic function of enzymes is vital for the timely completion of metabolic (and other) reactions. Proteins also play an important structural role, and are involved in signaling.
What is the most important function of proteins?
Proteins have many important functions in the body, but one of the most critical is their role in building and repairing tissues. Proteins are also essential for various biological processes such as enzyme activity, immune function, and cell signaling. Additionally, proteins play a crucial role in regulating gene expression and maintaining the body's overall structure and function.
Is sulfur found in proteins?
Yes, sulfur is found in proteins, particularly in sulfur-containing amino acids such as cysteine and methionine. These amino acids are essential for the structure and function of proteins in the body.
What cause hair color?
Hair is simply old proteins (mainly) and the color of hair is determined by our genetic makeup and composition of those proteins, although that is not firmly determined. It is believed to be controlled by melanin, particularly eumalanin and phenomelanin.
Which element is most characteristic of proteins?
amonia
What are the function if proteins?
Proteins are made of amino acids.
What are genes What are their function?
In essence, genes code for amino acids which code for proteins. These proteins then act as enzymes and control metabolic pathways that determine a particular characteristic. The metabolic pathway works by using the products from each enzyme as the substrate for the next pathway.
What is the composition of kinetochore?
It is made up of proteins and DNA.
What proteins function to break down other proteins?
Proteases.
Are peptide bonds strong or weak?
Peptide bonds are strong covalent bonds that link amino acids in proteins. They have a characteristic double-bond character that gives them stability, making them vital for the structure and function of proteins.
What is a function of a ribosomes in cells?
The function of the ribosomes in cells is to make proteins. Ribosomes are made up of proteins and RNA.
What characteristic of amino acids determine the primary structure of proteins - Acid-base properties - Side chain composition - Hydrogen bonding properties - Sequence in polypeptide chains?
If you are asking which of the four following answers determines the primary structure of proteins, the answer would be d) sequence of polypeptide chains. After translation and transcription, the order of the bases codes for the proteins that are made. Hope that helps!
What is the function o proteins?
Proteins repair and grow cells in your body
What changes and packages proteins so that the proteins can function called?
Anonymously
