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Reptile [31]
3 years ago
12

The dermis is the inner layer of the skin that contains within its structure

Biology
1 answer:
sveticcg [70]3 years ago
6 0

Answer:

Carrector pill muscles hair follicles

Explanation:

melanocytes and keratin are present in the epidermis

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What evidence is there to show that changing sand to glass is a chemical change
egoroff_w [7]
Sand and glass have different chemical formulas, so that means that the atoms are rearranged and this is a chemical reaction.
3 0
3 years ago
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Some of the lipid groups appear similar, but changing a few components significantly alters their biological properties. identif
sergeinik [125]
Both glycerophospholipids and sphingolipid structures are asymmetrically distributed in the two layers of the phospholipid bilayer. Sphingolipids are membrane lipids that have a ceramide backbone while glycerophospholipid has glycerol present in its membrane lipids. Sphingolipids may or may not be present.
7 0
3 years ago
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In humans, the quadriceps muscle is a skeletal leg muscle under voluntary control. As such, it contracts in response to signals
Masja [62]

Answer:

The correct answer is - operation of reflex arc.

Explanation:

The reflex arc is a unique and special type of neural pathway that starts with a sensory neuron and ends with a motor neuron. In this operation sensory neuron acts as the receptor and motor neuron is effector. This type of neural circuit helps in faster response.

Voluntary muscles like quadriceps muscle are normally in control voluntarily however, such muscle may contract involuntary due to reflex arc. This type of contraction takes place before the signal has even reached the brain.

In this response the sensory neuron takes the signal to the spinal cord and then motor neuron to the effector muscle for faster response.

Thus, the correct answer is - operation of reflex arc.

8 0
3 years ago
Who is known as the father of taxonomy?
natima [27]
Carolus Linnaeus.

Hope this helps!
5 0
2 years ago
The breakdown of food via enzymatic reactions is known as __________.
r-ruslan [8.4K]
I believe you're looking for "chemical digestion".

Chemical digestions is where food that we ate is digested into simpler and soluble molecules that can be absorbed by our body. Enzymes are used as a catalyst to speed up the reaction.

One example is the digestion of lipids. Enzyme named lipase is used to speed up the digestion of lipids into 3 fatty acid molecules and 1 glycerol. This way, our body can absorb these simple molecules, and use them in order to make our body function.

On the other hand, physical digestion does not include enzymes, such as chewing in our mouth, therefore, don't mix them up!
4 0
2 years ago
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