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Anvisha [2.4K]
3 years ago
9

Ricin is one of the most powerful toxins known. The protein consists of two subunits: the A chain is an enzyme that inhibits tra

nslation and the B chain is a lectin that binds to carbohydrates on the cell surface. What is the most likely mechanism by which ricin enters the cell
Biology
1 answer:
Ksivusya [100]3 years ago
5 0

Answer:

a. The protein is internalized by endocytosis.

b. The A chain binds to clathrin. The B chain interacts with SNARES

c. The A chain stimulates autophagy

d. The protein enters through pore complexes in the plasma membrane.

The correct option is a

The protein is internalized by endocytosis.

Explanation:

The protein is internalized by endocytosis because Ricin is a potent toxin gotten from lecithin. It internalised in the intracellular cell by endocytosis or substances are brought inside the cell and translocated into the cystosol which hereby inhibit protein synthesis and kill the internal cells. These internal toxins are transported to lysosomes for degradation

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What is the measured output force of a pulley system if the Mechanical Advantage is 0.48 and measured input force is 10N?
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