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Sergio039 [100]
3 years ago
14

Imagine that you're able to fully dissolve a powdered substance in water. What can be said about this creation? A) The creation

is a suspension. B) The creation is a solution. C) Water is a solute. D) The powdered substance is the solvent.
Biology
1 answer:
Molodets [167]3 years ago
7 0
Correct Answer:
Option B. The creation is a solution

Since, the powered substance is fully dissolved in the water the resulting mixture will be a solution. As we are dissolving the powered substance in water, water will be our solvent and the powdered substance will be the solute. A suspension is the type of mixture in which solute particles are not completely dissolved in the solvent. Therefore, the correct answer to this question is the creation is a solution. 
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Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings?
faltersainse [42]

Birds and butterflies don't have a common ancestor because one is a member of a insect and the other is well a bird. They both have different body structure. One has bones and the other has an exoskeleton. hope this helps  

3 0
3 years ago
Two pure substances combine to make a new substance. The new substance cannot be
jok3333 [9.3K]
Mixture should be the answer.
4 0
3 years ago
A response that is uniquely directed against pathogenic bordetella pertussis would involve what component?
xxMikexx [17]

Answer:

Antibodies

Explanation:

Bordetella pertussis is an obligate human pathogen and is the etiological agent of whooping cough. It is known to be an opportunistic organism.

The pathogenic mechanism of Bordetella pertussis is also known as virulence factor. These virulence factors are known to include adhesins such as filamentous haemagglutinin, fimbriae and pertactin, which allow B. pertussis to bind to ciliated epithelial cells in the upper respiratory tract.

It is known to be the agent of whooping cough, a highly contagious respiratory disease, dramatic for infants and also for elderly and pregnant women.

In this case, the antibodies will be the response that is uniquely directed against the organism. It is said earlier that this organism is an opportunistic one, this means that it causes infection when the immunity is down. So, when the immunity is empowered , it will definitely fight against the organism

3 0
2 years ago
Coaches will often urge athletes to exercise when they have a cold or other infection. What is the immunological reasoning behin
damaskus [11]

Exercise is the primary advice the coaches give to the athletes if they get a cold or any other infection. The main reason behind this advice is the fact that exercising strengthens the immunity of a person. When a person has an infection, the strengthening of the immune system will help his body to efficiently fight against the infectious pathogens. The blood circulation is increased which is involved in the enhancement of the acute immunity of the person.

3 0
3 years ago
4. Suppose that a dominant allele (P) codes for a polka-dot tail and a recessive allele (p) codes for a solid colored tail. If t
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Answer:

The correct answer would be:

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  • Phenotypic ratio: 3 (polka-dot tails) : solid colored tail

The genotype of both parents is Pp (heterozygous).

Thus, both the parent would produce two types of gametes which are P and p.

The cross would result in the production of offspring with three types of genotype PP, Pp, and pp in 1:2:1.

Offspring with PP and Pp will have a polka-dotted tail as it is the dominant trait.

Thus, the phenotype ratio would be 3 (polka-dotted tail) : 1 (solid colored tail).

3 0
3 years ago
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