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What biological toxin acts by inhibiting DNA replication and protein synthesis?
Ricin is a biological toxin that acts by inhibiting protein synthesis by binding to the ribosomes and halting protein production.
Where does post transcriptional modification happen?
The first place that a translated protein is modified is in the lumen of the rough endoplasmic reticulum. This is generallyglycosylation, or the addition of sugar molecules to the protein. This happens when the translated protein enters the lumen of the ER through its pore. The signal sequence (very first part of a translated protein) enters the pore aided by the signal sequence recognition protein SRP. In the rER lumen the protein assumes its tertiary shape as well. Glycosylation also occurs in the Golgi apparatus, specifically, the first modification in the Golgi is in the first part of the Golgi, the CIS Golgi network. The Golgi packages and modifies the protein for their distribution.
What is pore protein?
Pore proteins are a type of membrane protein that form channels in cell membranes, allowing specific substances to pass through. These proteins play a crucial role in the regulation of nutrient uptake, waste removal, and cell signaling in various organisms. Examples include aquaporins for water transport and ion channels for ion movement.
What organism has both a mouth pore and anal pore?
A flatworm has both a mouth pore for ingesting food and an anal pore for excreting waste.
What muscle cell protein acts as an ATPase enzyme?
The muscle cell protein that acts as an ATPase enzyme is myosin. Myosin is responsible for converting chemical energy from ATP into mechanical energy during muscle contraction.
What allows the RNA to exit the nucleus?
mRNA exits the nucleus after it binds to TAP/p15 protein. This protein helps the mRNA through the hydrophobic nuclear pore. Other RNAs bind to Exportine-proteins, which help them to pass the pore.
What is a protein that acts as hormone?
Insulin
What biological toxin acts by inhibiting DNA replication and protein synthesis?
Ricin is a biological toxin that acts by inhibiting protein synthesis by binding to the ribosomes and halting protein production.
What in the body acts like a protein?
Mitochondria
RNA and other molecules leave the nucleus through the structure called?
RNA and other molecules leave the nucleus through openings called nuclear pores. These pores are large protein complexes that facilitate the movement of molecules between the nucleus and the cytoplasm.
When a receptor protein in a cell membrane acts as a enzyme the receptor protein does what?
When a receptor protein acts as an enzyme, the receptor protein activates a second messenger that acts as a signal molecule within the cell. Resources: HOLT Biology Textbook - 9th grade edition Chapter 4, Cells and Their Environment.
Where does post transcriptional modification happen?
The first place that a translated protein is modified is in the lumen of the rough endoplasmic reticulum. This is generallyglycosylation, or the addition of sugar molecules to the protein. This happens when the translated protein enters the lumen of the ER through its pore. The signal sequence (very first part of a translated protein) enters the pore aided by the signal sequence recognition protein SRP. In the rER lumen the protein assumes its tertiary shape as well. Glycosylation also occurs in the Golgi apparatus, specifically, the first modification in the Golgi is in the first part of the Golgi, the CIS Golgi network. The Golgi packages and modifies the protein for their distribution.
What organelles acts as protein factories for the cells?
it's the ribosomes
What is pore protein?
Pore proteins are a type of membrane protein that form channels in cell membranes, allowing specific substances to pass through. These proteins play a crucial role in the regulation of nutrient uptake, waste removal, and cell signaling in various organisms. Examples include aquaporins for water transport and ion channels for ion movement.
Do you have a sentence with pore?
I have a pore on my face.
What biomolecule is responsible for facilitated diffusion?
It is an integral protein that acts as a channel.
Is enzyme is a protein that acts as a biological catalyst?
Yes, that is exactly what an enzyme is.
