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GrogVix [38]
3 years ago
7

Explain the effect of the mutation that occurs among northern european on lct gene expression

Biology
1 answer:
mars1129 [50]3 years ago
5 0
Lactose tolerance and intolerance together with other northern European individuals Lactose, the sugar found in dairy items and drain, is processed by the catalyst lactase. 
Lactose intolerance is a typical stomach related issue where the body can't process lactose, a sort of sugar mostly found in drain and dairy items. Manifestations of lactose intolerance, as a rule, create a couple of hours of devouring nourishment or drink that contains lactose.
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8 0
3 years ago
Describe how the periodic table differentiate from metals to non metals. Thanks!
DENIUS [597]
In the periodic tables metals are on the left side and nonmetals are in the right side.... so we can know whether an element is metal or nonmetal by it's position on the periodic table..
4 0
3 years ago
Traits are based on improving what primary factor in organisms?
Sonja [21]

Answer:

organisms that have more favorable traits tend to leave more offspring ... improved fitness of certain individuals in the population that allows for survival and reproduction. ... Based on H-W conditions, five major causes of evolution: ... factors that prevent organisms of two species from producing vigorous, fertile offspring

Explanation:

5 0
2 years ago
In Experiment 5, how did the shape of the epidermal cells in the outer skin surface slide compare to the shape of the epidermal
Phoenix [80]

Answer:

The correct answer is B. <em>The cells in the outer skin surface appeared flat, whereas the cells in the cross section were not flat.</em>

Explanation:

The epidermis is made up of five cell layers, which have different functions: Stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, and stratum corneum.  

  • <u><em>Stratum basale</em></u> is the <em>innermost germinative, single, basal layer of the epidermis </em>composed of basal cuboidal-shaped cells. These cells are the precursor of keratinocytes, this is why this layer is also called germinativum. In this basal layer, there are also Merkel cells as well as melanocytes.
  • <em><u>Stratum spinosum</u></em> refers to the keratinocytes which produce keratin.
  • <u><em>Stratum granulosum</em></u>, this is the layer where keratinization begins. Cells produce hard granules that change to keratin and lipids as they ascend.
  • <u><em>Stratum lucidum</em></u> is conformed of densely compressed cells, which begins to flatten and appear indistinguishable between each other.
  • <u><em>Stratum corneum</em></u> is the most external layer, composed of dead, flattened cells which are released regularly in a process known as desquamation.
8 0
3 years ago
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tester [92]
<span>Many resources come from living things. We use animals such as chickens, cows and pigs for meat. We use plants for numerous things. Plants are eaten and also we can make products from them. An example is cotton. We make clothes from that item.</span>
8 0
3 years ago
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