0
When small molecules bind to self cell-surface proteins, they can act as signaling molecules that trigger specific responses within the cell. This binding can also affect cell-cell interactions, influence cell adhesion, or regulate processes like growth and development.
Add your answer:
Earn +20 pts
What type of protein is used to carry other molecules?
Carrier proteins are types of proteins used to carry other molecules, such as ions or small molecules, across cell membranes. These proteins can bind to specific molecules and transport them from one side of the membrane to the other. Examples include ion channels and transporters.
Proteins that attach molecules in order to deliver them to another site?
These proteins are likely transport proteins, such as carrier proteins or channel proteins, which bind to specific molecules and facilitate their movement across cell membranes or through the bloodstream. These proteins help to transport essential molecules like hormones, ions, and nutrients to their target destinations in the body.
How is mRNA silenced?
mRNA can be silenced through a process called RNA interference (RNAi). In RNAi, small RNA molecules called small interfering RNAs (siRNAs) or microRNAs (miRNAs) bind to the mRNA molecules and prevent them from being translated into proteins. This silencing can occur through mechanisms such as degradation of the mRNA or inhibition of its translation. Additionally, other factors such as RNA-binding proteins and long non-coding RNAs can also contribute to mRNA silencing.
How do carrier proteins transport substances across membranes?
Carrier proteins bind to specific molecules on one side of the membrane, undergo a conformational change, and release the molecules on the other side. This process allows the substances to be transported across the membrane selectively.
Which describes one of the ways proteins behave in facilitated diffusion?
Proteins in facilitated diffusion act as carrier proteins to transport specific molecules across a membrane. These proteins undergo conformational changes to bind to the molecule on one side of the membrane and release it on the other side. This process allows for the movement of molecules down their concentration gradient without requiring energy input.
Small molecules that bind with self-proteins to produce antigenic substances are called?
Haptens. Haptens are small molecules that bind with self-proteins to create larger antigenic substances that the immune system may recognize as foreign and mount an immune response against.
What are small molecules that must combine with large proteins to become immunogenic?
Small molecules that must combine with large proteins to become immunogenic are called haptens. Haptens alone are not immunogenic, but when they bind to proteins in the body, they can elicit an immune response.
What do signal molecules bind to in cells?
Receptor Proteins
What membrane surface molecules bind to proteins and serve as molecules identification tags?
Carbohydrates
What type of protein is used to carry other molecules?
Carrier proteins are types of proteins used to carry other molecules, such as ions or small molecules, across cell membranes. These proteins can bind to specific molecules and transport them from one side of the membrane to the other. Examples include ion channels and transporters.
What is effector?
An effector is a molecule or protein that can bind to a specific site on an enzyme, receptor, or other protein to regulate its activity. Effectors can activate or inhibit the function of the protein they bind to, ultimately influencing cellular processes.
Proteins that attach molecules in order to deliver them to another site?
These proteins are likely transport proteins, such as carrier proteins or channel proteins, which bind to specific molecules and facilitate their movement across cell membranes or through the bloodstream. These proteins help to transport essential molecules like hormones, ions, and nutrients to their target destinations in the body.
Neurotransmitters bind to specific proteins on the postsynaptic membrane called?
Neurotransmitters bind to specific proteins on the postsynaptic membrane called receptors. These receptors initiate a series of events that can either excite or inhibit the firing of the postsynaptic neuron.
What small molecules bind to hemoglobin?
Carbon dioxide and BPG bind to amino acids located on hemoglobin. Oxygen molecules bind to the iron molecules located in the heme. Each hemoglobin molecule can carry up to four oxygen molecules, one on each of the four iron molecules. Nitric oxide can also bind to hemoglobin when either oxygen or carbon dioxide are bound to the hemoglobin.
What binds to aluminum?
Aluminum can bind to various molecules such as fluoride, citrate, and phosphates. It can also bind to proteins in biological systems.
What are the protein molecules in a cell membrane that assist in cell transport?
Protein molecules involved in cell transport include carrier proteins, channel proteins, and pump proteins. Carrier proteins bind to specific molecules and transport them across the membrane, channel proteins form channels for molecules to pass through, and pump proteins use energy to actively transport molecules against a concentration gradient.
What is used in facilitated diffusion to assist transport of sugar and sodium molecules?
transport proteins both are carrier proteins and channel proteins
