Answer:
Genotype:
- 1/4 = 25% TT.
- 2/4 = 1/2 = 50% Tt
- 1/4 = 25% tt
Phenotype:
- 3/4 = 75% Tall plants
- 1/4 = 25% short plants
Ratios
- The genotypic ratio of the progeny is 1:2:1
- The phenotypic ratio of the progeny is 3:1
Explanation:
Due to technical problems, you will find the complete explanation in the attached files.
Answer:
The type of immunization used is passive, and the exact agent used is an antivenom. This type of immunization is necessary because the man does not have antibodies to fight against the venom's toxins.
Explanation:
To treat from snake bites is necessary to use antivenoms, these are given to the patient as soon as possible after the bite, they consist on a mixture of hyperimmune globulins and other proteins obtained from the serum of animals, usually horses or sheep, previously immunized with the venom of a snake. This kind of immunization is called passive immunization, is temporary and it uses exogenous preformed antibodies to provide treatment to an unprotected individual.
In this case, we use this kind of immunization because the person who was bitten didn't have the previous contact with the snake's venom, this means that the victim does not have antibodies to fight against the toxins in their body.
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Receptors in the cell surface bind to their specific ligand and thus trigger a signaling pathway such as a phosphorylation cascade.
<h3>What are cell receptors?</h3>
Cell receptors are specific proteins within the cell membrane of the cell that binds to ligands and trigger signaling pathways, thereby mutations in the receptor sequence or problems associated with this process may produce a failure in the pathway.
The possible results of cellular response that could be disrupted include the inactivation of the signaling pathway, which might be a cause of a change in the production of a transcription factor that shapes gene expression patterns.
The types of ligands depend on the cell receptor (i.e., ion receptors, GPCRs, enzyme-based linking).
In conclusion, receptors in the cell surface bind to their specific ligand and thus trigger a signaling pathway such as a phosphorylation cascade.
Learn more about cell receptors here:
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