The right answer is A.
The non-meiotic disjunction is an absence of separation of two members of a pair of homologous chromosomes or chromatids of a chromosome during meiosis or mitosis, it follows that one of the daughter cells presents two copies of the same chromosome or chromatids (n + 1) and the other daughter cell receives none (n-1).
In cell signalling, after a signal is sent, signal molecules bind to receptors on target cells and some activity in a target cell changes.
There are three stages in cell signalling :
1. The process of reception occurs when a signalling molecule from the extracellular environment is recognized by a cell. The chemical signal, which is also known as a ligand, is recognized as a signal when it attaches to a receptor protein either on the exterior of the cell or on the interior of the cell.
2. Transduction: This process occurs when the signalling molecule interacts with the receptor, which causes a change in the protein that makes up the receptor. The process of transduction is kicked off by this modification. In most cases, signal transduction occurs through a pathway that consists of numerous stages. The signal transduction route contains relay molecules, each of which influences the subsequent molecule in the pathway.
3. Reaction: In the third and last step, the signal causes a certain cellular response.
Learn more about cell signalling here :
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No. The fish where he lives could be adapted to the warmer waters of a southern state/country.
It could be active transport or passive transport
Answer:
more force is needed or less mass
Explanation:
that is all
