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Nonamiya [84]
3 years ago
8

Which breast condition is a malignant disorder? mammary duct ectasia fibroadenoma papilloma carcinoma?

Biology
1 answer:
s344n2d4d5 [400]3 years ago
5 0
The correct answer is carcinoma. Mammary duct ectasia, papilloma and fibroadenoma are benign conditions of the breast. <span>Breast carcinoma is malign cancer that develops from breast tissue. Breast cancer is the<span> most common cancer among women</span> which can be the result of genetic or lifestyle factors. Invasive ductal carcinoma (IDC) is the most common type of breast cancer<span>.</span></span>
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3. The evolutionary pathways of ten different species are represented in the diagram below.
xenn [34]

Answer:

C

Explanation:

when counting the number of organisms that differentiate between e and I, this answer gives the smallest number of organisms

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3 years ago
You are trying to match DNA found at a crime scene with two possible suspects. Why would it be a better use of your time and res
Sunny_sXe [5.5K]

Answer: A double restriction digest

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Self - ligating plasmid because it create mismatch ends. It also aids in directional in section while single disgestion you have to screen your clones to be sure to get your plasmid with correct insert orientation.

7 0
3 years ago
I need help on this question from my science test.
Misha Larkins [42]

Answer:

E

Explanation:

5 0
3 years ago
Read 2 more answers
In a certain plant, tall stems (t) are dominant to short stems (t). a farmer crosses a short-stemmed plant with a heterozygous l
melisa1 [442]

The answers would be:

Genotype                Phenotype

     Tt                      Tall stemmed

     tt                       Short stemmed

Genotypic ratio : 2:2 or 1:1

Phenotypic ratio: 2:2  or 1:1  

<u />

<u>You can read on to see how this was done:</u>

Tall stems (T) are dominant to short stems (t).

First figure out the genotypes of the parents. We have a short-stemmed plant and a heterozygous long-stemmed plant cross.

For short stem to occur, you need 2 pairs of short alleles. So the first parent would have a genotype of tt.

Heterozygous long-stemmed means that the parent has one of each allele. So the genotype of the second parent would be, Tt.

Now we can make our Punnett Square.

tt x Tt

<u>       t        t  </u>

<u>T |  Tt  |   Tt</u>

<u>t  |   tt  |   tt</u>

Let's list down the genotypes and phenotypic results.

Genotype        no.         Phenotype

     Tt                 2           Tall stemmed

     tt                  2           Short stemmed

So from that we can answer the other questions:

Genotypic ratio : 2:2 or 1:1

Phenotypic ratio: 2:2  or 1:1  

8 0
3 years ago
Do you think it is possible to have the benefits of the agricultural &amp; industrial revolution without the environmental costs
telo118 [61]
I do not think the industrial and agricultural revolutions could have occurred without the environmental costs. The industrial revolution in the 18th century occurred at a time in history when people where not aware of the consequences of their actions or the consequences of the widespread use of fossil fuels. Even if they were aware the technology would not have been present to harness power from natural renewable sources of energy. 
6 0
3 years ago
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