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MAVERICK [17]
3 years ago
7

What are the two main types of fresh water?

Biology
1 answer:
Paha777 [63]3 years ago
6 0
Static<span> Water aka lentic and </span>Flowing<span> Water aka lotic</span>
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Oxygen is taken inside the body of living things by exahalation.<br>true<br>false​
Readme [11.4K]

False

<h3>Explanation - </h3>

The process through which living organisms take oxygen inside the body is know as <em><u>Inhalation</u></em><em><u> </u></em>

Exhalation refers to the release of carbon dioxide from the body.

8 0
3 years ago
How does cell differentiation contribute to the formation of new, different types of skin cells?
ch4aika [34]

During cell differentiation, new proteins are expressed

During cell differentiation, some genes are silenced while some or expressed. Different cells differentiate differently depending on the type of cell is going to become. This is why even though all the cells in a multcellular organism have the same DNA, they become different organ systems that look different.

Explanation:

Different differentiated cells produce different proteins because they express different genes. For example Cells of the epidermis of the skin express the genes for producing keratin (the pigment molecule) while those in the dermis do not express this protein because this gene is silenced in dermis cells. In  addition, in dark-skinned people, these genes are more expressed that in people with light skin.

Learn More:

For more on cell differentiation check out;

brainly.com/question/4768354

brainly.com/question/3239346

#LearnWithBrainly

3 0
3 years ago
BESIDES THE HIGH ACIDITY, why are the contents of gastric juice so hostile to the exposed duodenal wall?
anzhelika [568]
Not entire sure because I haven't taken human anatomy but I'd guess it would have to be the digestive enzymes breaking it down
8 0
3 years ago
What purpose does isopropyl alcohol serve in the process of dna extraction?
4vir4ik [10]

Answer:

The process of extracting the DNA is a very complex, time taking and tedious task. It needs lots of technical knowledge in order to extract DNA.

There are various chemicals used during the process of DNA extraction. The use of isopropyl alcohol is to precipitate the DNA.

This precipitation makes the DNA visible as it is clumped together. Then it becomes easy for the long strands of DNA to wrap around the stirrer when swirled at the interface between two layers.

5 0
3 years ago
Which statement best summarizes the data?
kykrilka [37]

Answer: the answer is D my mna

7 0
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