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Oxana [17]
3 years ago
9

Use the Punnett square to predict the genotype for the parent organism whose genotype is unknown and

Biology
1 answer:
Black_prince [1.1K]3 years ago
8 0

Answer: The parent organism whose genotype is unknown is heterozygous for purple colour with genotype Ff.

Explanation: The parent organism whose genotype is unknown has a genotype Ff. If (F) represents the allele for purple colour and it is dominant over the allele for white colour (f), a cross between (Ff) and (ff) will produce Ff, Ff, ff and ff. Two of the offsprings are heterozygous for purple colour the other two are white.

Ff x ff = Ff, Ff, ff and ff. Ff will manifest as purple colour because F is dominant over f while ff will manifest as white because f is recessive.

See the attached punnet square for further information

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A. Neurotransmitters can act as ligands.

B. Acetylcholine is a neurotransmitter. It can bind to an acetylcholine receptor on the surface of a cell. If this receptor is also a sodium channel, we would call acteylcholine a ligand and its receptor a ligand gated receptor.

Explanation:

Answer:

A. Neurotransmitters can act as ligands.

B. Acetylcholine is a neurotransmitter. It can bind to an acetylcholine receptor on the surface of a cell. If this receptor is also a sodium channel, we would call acteylcholine a ligand and its receptor a ligand gated receptor.

Explanation:

Neurotransmitter are chemicals that transfer signals between neurons and nerve cells. They control some physical and physiologocal activity such as appetite, food.

Acetycoline is an example of neurotransmitter and it is located in the parasympathetic nervous system. Ligand are substance that form complexes with biomolecule. They serve biological purpose with this biomolecule.

This ligand binds to target site. Neurotransmitter act as ligand by binding to receptor in the postsynaptic neuron and acetycoline a type of neurotransmitter can also serve as ligand they bind to acetycoline receptor on cell surface.

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