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AlladinOne [14]
3 years ago
9

Which of the following correctly describes the 3rd stage of the cardiac cycle?

Biology
1 answer:
kolbaska11 [484]3 years ago
5 0

Answer:

c. the ventricles are relaxed and fill with blood is correct

Explanation:

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If a genetic disease is recessive, a person must inherit
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If a genetic disease is recessive, a person must inherit the recessive gene from both parents. If they were to inherit a dominant gene, the disease would be over powered and unapparent in the offspring.

Hope that helps!
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3 years ago
The method for determining energy expenditure that involves the measurement of heat given off by the body during a select period
Kryger [21]

Answer:

The correct answer is direct calorimetry.

Explanation:

A method of attaining direct determination of the concentration of heat produced by the body inside an insulated chamber, which is sufficiently big to allow moderate amounts of work is termed as direct calorimetry. These chambers within which the measurement is done is also known as the whole-room calorimeters.  

The mentioned process provides the measurement of the energy discharged in the form of heat.  

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3 years ago
What is the term used to describe the twisted ladder shape of a DNA molecule
Nastasia [14]

Answer: double helix

Explanation: The double helix of DNA is, like its name implies, in the shape of a helix which is essentially a three dimensional spiral. The double comes from the fact that the helix is made of two long strands of DNA that are intertwined—sort of like a twisted ladder.

3 0
4 years ago
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Why are anemones and corals restricted to shallow waters
madreJ [45]

Anemones and corals are restricted to shallow waters because they usually grow in the region of the euphotic zone where sunlight is easily available to perform photosynthesis.

<h3>What do you mean by Corals?</h3>

Corals may be defined as a structure composed of skeletons present in colonial marine invertebrates known as Coral reefs.

Corals and anemones require sunlight in order to survive. Hence, they live in the upper zone (euphotic zone) of the water bodies. If they allow growing in the benthic zone, they never survive due to the absence of sunlight.

Therefore, it is well described above.

To learn more about Corals, refer to the link:

brainly.com/question/1143432

#SPJ4

6 0
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what role do bacteria and other tiny organisms have in making sure that nutrients are always available in ecosystems
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Bacteria and other small organisms within an ecosystem play an important role in maintaining homeostasis of an ecosystem while also helping to break down dead materials. These small organism play a vital role in decomposing of dead plant and animal matter that then becomes nutrients for the ecosystem in the future provide fertile soil for new plant life to grow supporting the cycle of life in an ecosystem. 
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