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Vlad1618 [11]
1 year ago
9

Why humans need organs, like the liver and pancreas, but amoebas do not.

Biology
1 answer:
frez [133]1 year ago
6 0

Answer:

They have no use for it, just like they dont have any type of respiratory organs like lungs.

Explanation:

In the case of nutrition and digestion they obtain food by capturing their prey with their pseudopodia. The food is internalized through a type of endocytosis known as phagocytosis. Nutrients are obtained as the enzymes digest the food inside the vacuole and when they are finished the food vacuole dissolves.

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What is the origin of masseter muscle <br>​
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Answer:

Superficial part: maxillary process of zygomatic bone, Inferior border of zygomatic arch (anterior 2/3)

Deep part: deep/inferior surface of zygomatic arch (posterior 1/3)

Explanation:

6 0
2 years ago
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Consider a population of frogs. Allele B1 codes for spotted frogs; allele B2 codes for non-spotted frogs. B1 is dominant to B2 .
oee [108]

Answer:

Frequency of B1 = 0.47

Frequency of B2 = 0.53

Hope this helps!

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Remains of ancient life are most often preserved through which process?
kirza4 [7]
It reaming most often the process of fossilization.
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1 year ago
Before the beginning of the Industrial Revolution, most peppered moths found in and around Manchester, England, exhibited light-
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1 year ago
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You are conducting a case control study to determine if an association exists between melanoma and indoor tanning. From a statew
Aleksandr-060686 [28]

Answer:

a. Odds ratio = 1.58

b.  Inasmuch the odds ratio is greater than 1, this means that higher odds of melanoma exist in people exposed to indoor tanning, than in those not exposed to indoor tanning

Explanation:

For case  study                                                  

Let 'a'  represent the total population of people with melanomia = 696                                                      

Let 'b' represent the total number of people with melanomia exposed to indoor tanning  =  1107 – 696 = 411 people

For  control study

Let 'c' represent the total population = 1500

Let 'd' represent the total number of people not exposed to indoor tanning = 1500 - (0.428 * 1500)

                                                          =  1500 - 723

Total number of people not exposed to indoor tanning   = 777 people

                                                       

a. Odds ratio = (a/b) / (d/c) = (696/411) / (777/723)

                                                = 1.69 / 1.07 = 1.58

b. Inasmuch the odds ratio is greater than 1, this means that higher odds of melanoma exist in people exposed to indoor tanning, than in those not exposed to indoor tanning.

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2 years ago
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