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umka21 [38]
3 years ago
12

Which is the main reason cells are replaced in the body?. The cells are too large.. The cells are inactive.. The cells are damag

ed.. The cells are cancerous.
Biology
2 answers:
anygoal [31]3 years ago
7 0

The right answer is The cells are damaged.

Take the example of skin cells.  

The skin consists of two tissues:

* the outermost, the epidermis, resting on a vascularized connective tissue,

* the dermis.

In the epidermis, which includes several layers of cells, the outer layer is formed of dead cells that are desquamating and are constantly being replaced from proliferating basal cell cells. So, in normal conditions, the epidermis is in constant renewal.

On the other hand, when accidentally, the upper parts of the epidermis are damaged, for example, a slight abrasion or of a burn, the destroyed portion is regenerated (replaced) thanks to an accelerated proliferation of basal epidermal cells .

Natasha2012 [34]3 years ago
3 0

Answer:

The correct option is the cells are damaged .

Explanation:

Cells are replaced by new cell because every cell have some life span after this they become older and damage, so cells divide to replace old and damage cells. Cells are further divided so that , living things can grow. For example, A organism grows, due to the regular division of cells not because of cell become larger therfore , organism  grows.

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3 0
3 years ago
For Dalmatian dogs the spotted condition (D) is dominant to the non-spotted condition (d). What are the results of a cross betwe
Svetradugi [14.3K]

If two heterozygous individuals are crossed, the results of the cross are as follows:

  • SS - spotted condition
  • 2 Ss - Spotted condition
  • ss - non-spotted condition

<h3>What is an Heterozygous Cross:</h3>

According to this question, the gene coding for spotted condition. The allele for spotted condition (S) is dominant over the non-spotted condition (s).

If two heterozygous Dalmatian dogs are crossed i.e. Ss × Ss, the allele combination for each gamete is as follows:

  • Ss - S and s
  • Ss - S and s

The following offsprings will be produced:

  • SS - spotted condition
  • 2 Ss - Spotted condition
  • ss - non-spotted condition

Learn more about heterozygous cross at: brainly.com/question/13050360

7 0
3 years ago
What are some adaptations of insects and arachnids?
Ira Lisetskai [31]

Answer:

Explanation:

Common insect adaptations include an exoskeleton (outer skeleton), camouflage, wings, the ability to have lots of babies, and adapted legs and mouthparts

6 0
3 years ago
What is the difference between complete and incomplete metamorphosis??
Scilla [17]

Both complete and incomplete metamorphosis extend from the egg stage to the adult stage. Complete metamorphosis consists of four stages: egg, larva, pupa, and adult. However, the incomplete metamorphosis consists of three stages: egg, nymph, and adult.


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7 0
3 years ago
An allele whose trait is hidden or does not really count when a dominant allele is next to it is called
slega [8]

Answer:

recessive

Explanation:

a recessive allele is the gene donated by one parent which is present within the genotype, but is not expressed in the phenotype of the person's characteristics.

8 0
3 years ago
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