07/11/25

What is the main function of mitochondria in a cell?
Mitochondria are often called the “powerhouse of the cell.” They play an essential role in producing energy that the cell needs to perform its various activities. Understanding the function of... more
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05/27/25

What must happen to pyruvate after it enters the citric acid cycle (Krebs cycle)?

Once glycolysis is finished, pyruvate is created as the end product. If oxygen is present, pyruvate doesn’t just stay in the cytoplasm—it’s moved into the mitochondria, where it goes through more... more
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05/27/25

Can glycolysis occur in the absence of oxygen? Why or why not?

This question focuses on whether oxygen is required for glycolysis to take place. It asks you to consider where glycolysis occurs in the cell, how it fits into the overall process of cellular... more
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04/11/25

How does blood flow through the heart?

The heart provides your body access to an incredible amount of oxygen every second, but how does it do it?
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02/23/25

Why type of joint is the shoulder joint?
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01/13/25

Aortic Arch Branches
Which of the following is a direct branch of the aortic arch? A) Internal carotid artery B) Subclavian artery C) Common carotid artery D) Right coronary artery
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10/23/22

For the given reaction, what volume of O2 would be required to react with 5.8 L of SO2 , measured at the same temperature and pressure? 2SO2(g)+O2(g)⟶2SO3(g)
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10/21/22

Hydrogen (H2)gas and oxygen gas react to form water (H20) vapor.
Hydrogen (H2) gas and oxygen (O2) gas react to form water (H2O) vapor suppose you have 5.0 mol of (H2) and 9.0 mol of (O2) in a reactor. Suppose as much as possible of the H2 reacts How much will... more
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10/21/22

A chemist must prepare 550ml of 3.00M aqueous iron(II) bromide working solution.

She'll do this by pouring out some 3.74M aqueous iron(II) bromide stock solution into a graduated cylinder and diluting it with distilled water.Calculate the volume in mL of the iron(II) bromide... more
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