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What molecules are responsible for building proteins?
Amino acids are the molecules responsible for building proteins. Proteins are made up of long chains of amino acids that are linked together in a specific order determined by the genetic code.
Where do receptor molecules end up after receptor-mediated endocytosis?
Its NOT 'on the inside surface of the cell membrane' Probably ' on the inside surface of the vesicle'
What organelle packages sort and delivers proteins TO THE CELL?
Isn't that the mitochondria? Look it up on wikipedia.
What nutrient are made up of amino acids?
Proteins. Proteins.
Are proteins chains of ribosomes?
No, proteins are not chains of ribosomes. Proteins are macromolecules made up of chains of amino acids, while ribosomes are cellular structures responsible for protein synthesis. Ribosomes read the genetic information in mRNA and use it to assemble amino acids into a specific protein chain.
What are receptor proteins made up of?
Receptor proteins are typically composed of amino acids arranged in specific sequences to form a three-dimensional structure. These proteins have binding sites that allow them to interact with specific ligands, such as hormones or neurotransmitters, to initiate a cellular response. The specific structure of a receptor protein determines its ability to recognize and bind to particular ligands.
In what two ways do receptor proteins affect cellular activity?
Receptor proteins can activate signaling pathways inside the cell when they bind to specific molecules, leading to changes in gene expression or protein activity. They can also modulate the cell's response to its environment by being involved in cell-to-cell communication and processing external signals.
What molecules are responsible for building proteins?
Amino acids are the molecules responsible for building proteins. Proteins are made up of long chains of amino acids that are linked together in a specific order determined by the genetic code.
What is the purpose of receptor proteins?
The intracellular proteins form the most important class of receptors called receptor proteins. Receptor proteins are located in the cytoplasm, cell membrane, or nuclear membrane. 1. Cytoplasmic receptor proteins include those that respond to steroid hormones. Ligand activated receptors may enter the cell nucleus where they modulate gene expression. 2. Receptors within cell membranes may be peripheral or trans-membrane proteins. Many receptors for hormones and neurotransmission are trans-membrane proteins. - a. Metabotropic receptors are coupled to G-proteins, acting through various secondary pathways involving ion channels, enzymes such as adenylyl (adenylate) cyclases, and phospholipases, or PDZ domains. - b. Ionotropic receptors are ligand-activated ion channels that permit entry of ions when the central pore is open. A receptor protein is protein molecule that found embedded in the plasma membrane surface of a cell. It receives chemical signals from outside the cell.
What are ribosomes made up of?
Ribosomes are made up of ribosomal RNA (rRNA) and proteins. They consist of two subunits that come together to build proteins based on the instructions provided by messenger RNA (mRNA).
Which is a correct association of protein types?
Correct associations of protein types include: enzymes - biological catalysts that speed up chemical reactions, antibodies - proteins that help the immune system recognize and fight off pathogens, and structural proteins - proteins that provide support and shape to cells and tissues.
What cascades are included in many of signal transduction pathways?
Probably the most common of the signal transduction pathways is through the use of G proteins. These proteins are found with three subunits. When activated by a GPCR, or a G Protein-Coupled Receptor, they drop off bound GDP and pick up GTP and the subunits separate. G-alpha will help phosphorylate other proteins which end up amplifying the signal. This leads to many signaling pathways.
What enables a cell to pick up and concentrate a specific kind of molecule?
Cells use membrane transport proteins to selectively pick up and concentrate specific molecules. These proteins can facilitate the movement of specific molecules across the cell membrane, allowing the cell to regulate the internal concentration of different types of molecules. Additionally, cells can create concentration gradients to actively transport molecules against their gradient using energy from processes like ATP hydrolysis.
Where do receptor molecules end up after receptor-mediated endocytosis?
Its NOT 'on the inside surface of the cell membrane' Probably ' on the inside surface of the vesicle'
What organelle packages sort and delivers proteins TO THE CELL?
Isn't that the mitochondria? Look it up on wikipedia.
What nutrient are made up of amino acids?
Proteins. Proteins.
What small grain like bodies called that produce proteins inside cells?
Ribosomes are the small grain-like bodies inside cells that produce proteins. They are responsible for translating the genetic code from messenger RNA into the amino acid sequences that make up proteins.
