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Marina CMI [18]
2 years ago
7

Approximately 75% of all breast cancers grow in response to

Biology
1 answer:
swat322 years ago
8 0

Answer:

In which the cause of cancer is the estrogen and progesterone hormones.

Explanation:

A targeted  therapy that prevents activation of estrogen and progesterone  receptors in breast cancer would be beneficial to the type  of patient in which the breast cancer occurs due to estrogen and progesterone hormones. Targeted therapy is a type of therapy that uses drugs or other substances to  attack certain types of cancer cells. This therapy deactivated estrogen and progesterone hormones which is the cause of cancer disease in patient.

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Because the human embryo is able to split during early cleavage or blastocyst formation to produce two viable progeny, it is sai
juin [17]

Answer:

This question lacks options, options are:

a) indirect

b) mosaic

c) determinative

d) regulative

e) direct.  

The correct answer is d.

Explanation:

The egg (ovum) like the embryo during the first embryonic divisions, do not possess any sign of polarity. This development mechanism can be called regulative development(in contrast to the mosaic model) since the fate of the cells that originate is not fixed and can be modified during development. In regulative embryos, part of the embryo can be removed and the remaining cells can compensate for the loss and give a complete individual as the final product.The strongest evidence that continues to support this regulatory model is based on the plasticity or potential that mammalian cells possess before implantation. It is known that the blastomeres produced by the first divisions can be replaced with each other or even can be eliminated without apparently altering the embryonic development and therefore they are equivalent (without polarity).

3 0
2 years ago
When only a few individuals survive unfavorable times, thereby losing the majority of genotypes in the next generation, is calle
Levart [38]

Answer;

A bottleneck effect


Explanation;

When only a few individuals survive unfavorable times, thereby losing the majority of genotypes in the next generation, it is called a bottleneck effect.

It occurs when there is a disaster of some sort that reduces a population to a small handful, which rarely represents the actual genetic makeup of the initial population.

5 0
3 years ago
You have batch of pea plants with purple flowers that you grew by crossing plants that had purple flowers (PP) with plants that
nordsb [41]
If I have a batch of pea plants with purple flowers that I grew by crossing plants that had purple flowers (PP) with plants that had white flowers (pp), purple flowers (dominant) will be expressed in this batch of pea plants.
3 0
3 years ago
How is osmosis different from diffusion
kupik [55]
Diffusion is a spontaneous process in which molecules move with their concentration gradient. For example, if you place food coloring in water, the food coloring will slowly diffuse through the water until the entire solution has been balanced.

Osmosis is specifically the movement of <em>water</em> through a semipermeable membrane - meaning a membrane that can let some substances in but keep others out - and, similar to diffusion, it moves with its concentration gradient. For example, if you place a glucose solution sealed in plastic in water, water will move into the plastic to even out the concentration of glucose in the entire solution because glucose is too large to diffuse freely.

Hope this helped!

7 0
2 years ago
Rosa uses a microscope to look at a group of cells she she sees that the cells are joined together so she knows that they are fr
Vesna [10]
Maybe a plant or a fungus.
0 0
3 years ago
Read 2 more answers
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