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Len [333]
3 years ago
14

Darker skin in equatorial environments is adaptive because it prevents ____________ deficiencies, which cause _____________ in n

ewborns.
Biology
1 answer:
Delicious77 [7]3 years ago
3 0

Answer:

Vitamin D

Rickets

Explanation:

Lack of vitamin D causes rickets

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What evidence do the positions of the peaks and dips in its spectrum provide about an object? A. expansion B. elemental composit
Andreas93 [3]

Given what we know about the use of spectrums, we can confirm that the positions of peaks and dips provide information as to the elemental composition of the object in question.

The question asks about the dips and peaks of a spectrum, which allows us to assume we are dealing with Infrared spectroscopy and IR spectrums. This is defined as the measurement of how certain matter interacts with infrared radiation.

These graphs are used to measure how this matter absorbs, reflects, or even emits said radiation. Therefore, the use of spectrums allows us to infer as to the chemicals present or functional groups of an object, and therefore its elemental composition.

When looking at the spectrum graph, we will see that at times the curve dips down, which indicates that <u><em>less light </em></u>is transmitted. That means light is being absorbed. Due to the fact that bonds absorb different frequencies of light, <u>the </u><u>peaks </u><u>tell you what kinds of </u><u>bonds </u><u>are present from which we can identify the </u><u>elemental composition</u><u>.</u>

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5 0
2 years ago
A surgical procedure that creates an opening between the intestine and the surface of the body that allows for elimination of wa
Alexandra [31]

Answer: colostomy

Explanation:

Colostomy is a surgical procedure which is used to remove waste or feces from the body when the body is incapable of expelling out the waste. A stoma is the opening either created surgically or naturally present. It is the opening in the large intestine it allows the removal of the feces out of the body. The feces is drain through the rectum into the pouch of the collection device.

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3 years ago
If a patient's muscle contracted but the limb did not move, how would this muscle contraction be described?
Juliette [100K]
Hello there,
The answer to your question is <span>Isometric contraction

Hope this helps ^_^

~Top
</span>
8 0
3 years ago
Three organelles found in cells?
Katen [24]

Answer:

1.Plasma membrane

The plasma membrane surrounds the cell to create a barrier between the cytosol and the extracellular matrix. Plasma membranes also enclose lumens of some cellular organelles.

2.Endoplasmic reticulum

The endoplasmic reticulum (ER) is a large network of membranes responsible for the production of proteins, metabolism and transportation of lipids, and detoxification of poisons. There are two types of endoplasmic reticulum with separate functions: smooth endoplasmic reticulum and rough endoplasmic reticulum. The presence or absence of ribosomes in the ER’s plasma membrane determines whether it is classified as smooth or rough ER.

3.Golgi apparatus

The Golgi apparatus appears as a series of flattened, membranous sacs, or cisternae, that resemble a stack of pancakes just off the rough endoplasmic reticulum. It receives vesicles containing proteins recently produced by the rER. The Golgi apparatus can be compared to a warehouse or post office for newly formed proteins. Here the proteins are further modified, packaged, and sent off to their final destinations in the cell or body.

6 0
3 years ago
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Question 5 (12 points)
sweet [91]

Explanation:

The enzyme is unchanged so that, it can be reused when more substrate is available.

to know more ,enzymes about Biological Catalyst that are used to speed up the rate of a biological reaction but are not used up at the end of the reaction

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