Answer:
organism, called Paramecium. The contractile vacuole is a specialized organelle responsible for maintaining osmotic balance and regulating the water content within the cell. Paramecium lives in freshwater environments, where water continuously enters the cell through osmosis. The contractile vacuole collects excess water from the cytoplasm and pumps it out of the cell through a series of canals. This process helps Paramecium prevent the cell from bursting due to excessive water intake. The contractile vacuole also helps in removing waste materials from the cell. The picture shows a spherical contractile vacuole with multiple canals leading to the cell's surface, through which water is expelled. Overall, the contractile vacuole is a vital organelle for maintaining the internal balance and survival of unicellular freshwater organisms like Paramecium.
b. embryological development.
c. circulatory systems.
d. digestive tracts.
The chances are 50% of having offspring with short tails since one parent is heterozygous dominant an other is homozygous recessive.
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The alternative forms or variants of a gene are referred to by the word "allele". People have a tendency to group alleles into categories, and this is because they inherit one allele for each autosomal gene from each parent. In common parlance, we refer to them as either normal or wild-type alleles, or aberrant or mutant alleles.
The collection of all of an organism's alleles, also known as variants of a gene, is referred to as the organism's genotype, and it is used to refer to the organism's genetic makeup. As a consequence of this, a test cross can be utilized to assist in establishing whether or not a dominant phenotype is homozygous or heterozygous for a particular allele.
Therefore , after performing a test cross it was found that chances are 50% of having offspring with short tails.
Learn more about alleles, here:
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Answer: 50%
Explanation:
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b. False
True
Africa experiences a high level of air pollution because it has more old vehicles on the road than industrialized regions do. This fact is because of the less availabilty of new technologies, due to poverty and other socio-political factors. The environment will likely suffer more too, compromising ever more a region that suffers from different problems.
Answer:
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Answer:
With the help of tissue culture, the chances of patients receiving ineffective or harmful medicines becomes negligible.
Explanation:
When a new drug is discovered, it has to go through various human and animal trials in order to test it for the following characteristics that are Absorption, Distribution, Metabolism, Excretion, and Toxicity, this is collectively known as ADMET.
The application of tissue cultures in order to examine the drugs inhibits the occurrence of presenting humans to the unknown harmful influences of the drugs prior to the drugs to be considered safe for application.