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Hatshy [7]
4 years ago
14

Collectively, the hollow cavities in the maxillae, ethmoid, sphenoid, and frontal bones are called the ____________ sinuses..

Biology
1 answer:
slamgirl [31]4 years ago
8 0
The answer to this question would be: paranasal sinus.

There are a few sinuses near the face area. The sinus can be classified based on the bone that makes then to sinus maxillae, ethmoid, sphenoid and frontalis. This structure frequently gets infected causing sinusitis. Sinusitis patient can complain pain or feel the sinus got filled with some liquid.
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<h3>What is the proton gradient?</h3>

The gradient is sometimes called the proton-motive and can be thought of as a form of energy, force and force in a battery. Like other ions, protons are not able to cross directly through the phospholipid bilayer of the membrane, as the interior of the membrane is hydrophobic.

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The proton gradient produced by pumping protons during the electron transport chain is used to synthesize ATP.

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2 years ago
Which of the following correctly identifies the proper nitrogen base pairing in DNA
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A:T;G:C

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adenine goes with thymine unless it's mRNA and it will go with uracil. guanine and cytosine always go together.

5 0
3 years ago
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baherus [9]

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We have over 30,000 genes, which are DNA segments that, when activated (expressed), serve as templates for the synthesis of different protein molecules, which serve as the foundation for our physical and behavioral growth.

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The entire collection of instructions for creating an organism, included in all of its chromosomal genetic material, is called an organism's genome.

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2 years ago
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When bacteria spoil food, they make the food look and smell bad. when bacteria are used to produce food, they
Deffense [45]
B. add toxins to the food

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