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Volgvan
4 years ago
8

What embryo-produced hormone maintains progesterone and estrogen secretion by the corpus luteum through the first trimester of p

regnancy?
Biology
1 answer:
7nadin3 [17]4 years ago
6 0

Answer:

Human chorionic gonadotropin

Explanation:

Human chorionic gonadotropin is a hormone produced after the implementation with the function to promote the maintenance of the corpus luteum during the beginning of pregnancy. This is important because hormones produced by corpus luteum, such as progesterone enrich the uterus with f blood vessels so that it can sustain the growing fetus.

Human chorionic gonadotropin is often used in pregnancy tests, since its presence indicates pregnancy.

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Food web only contains interactions between trophic levels while an interaction web shows both trophic and non-trophic interactions.

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3 years ago
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Compare and contrast the function and structure of a compound light micrscope and electron micscrope
galben [10]
The major difference between a light microscope and a electron microscope would be that with the light microscope, a beam of light is used to focus the image. In an electron microscope, a beam of electrons is used to focus the image. Other notable differences would be with the light microscope, your specimens must be very thin; thin enough for light to pass through them. With the EM, you can place whole specimens that can generate 3D images. There is a much more complex specimen preparation process for the EM, where light microscope slide making is fairly simple in comparison. You can view live and wet specimens with a light microscope but you cannot with the EM because an EM requires specimens to be placed in a vacuum chamber. Lastly, the EM is very large and complex to operate, where the light microscope is somewhat portable. Hope this helps! 
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4 years ago
Mountain ranges form along ___ plate boundaries via orogenic processes.
Tamiku [17]

1. Mountain ranges form along <u>convergent </u>plate boundaries via orogenic processes.

<h3>What is tectonic plates?</h3>

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2. Rift valleys formed through the stretching of divergent plates occurs through a divergent boundary process.

When tectonic plates separate, they can leave low ground areas like the Rift Valley, which are produced by diverging continental plate borders. They can be found on the surface of the Earth or at the bottom of the ocean, and they are formed by the expansion of the seabed.

3. The formation of mountain ranges occurs as a result of <u>orogeny</u>.

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4. Scientists observe an extremely long <u>deformation </u>area in a continental plate during an orogenic process..

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5. <u>Epeirogenic </u>process causes vertical plate motion along tectonic plates.

The vertical movement of a continent that generates soft arcs or rises parts uniformly is known as epeirogeny.

For more information regarding tectonic plates, visit:

brainly.com/question/2325633

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3 0
2 years ago
The embryonic stem in a seed is called the
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The embryonic stem in a seed is the plumule.

it grows out of the hypocotyl, which that itself grows out of the radical, which is attached to the microphyl, feeds on the cotyledon, is fertilized by the endosperm, and is all protected by a hard seed coat :)
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3 years ago
If sodium ions are moving from outside the cell to inside the cell where there is a greater amount of sodium ions, which type of
zimovet [89]
The correct answer is 'Active Transport'. when the concentration of particles is higher inside the cell and yet for proper functioning we need more ions, the ions are received by the cell by the means of active transport, in which dissolved substances are moved by the help of carrier proteins with the energy released from respiration.
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