1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
il63 [147K]
2 years ago
15

ASAP PLS 100 POINTS Which statement best describes the role of oxygen in cellular respiration?

Chemistry
2 answers:
Svetradugi [14.3K]2 years ago
7 0

Answer:

Option C

Explanation:

Oxygen molecules form as sugar molecules are broken down.

Sugar or carbohydrates are known as glucose or sucrose and malltose i.e C6H12O6 etc.

So they are broken down by cellular respiration and forms Oxygen for cells

Vinvika [58]2 years ago
5 0
It’s A .. I think I hope this helps !
You might be interested in
In the early twentieth century, what was Alexander Fleming’s hypothesis concerning the relationship between a yellow-green mold
SpyIntel [72]

Answer:

The correct answer is the option c)He thought the mold had released a chemical that prevented the bacteria’s growth.

Explanation:

In the 1920s, Alexander Fleming was working in his laboratory at St. Mary's Hospital in London when, almost by accident, he discovered a naturally growing substance that could attack certain bacteria. In one of his experiments, Fleming observed that colonies of a bacterium had been depleted or removed by a mold that grew on the same Petri dish. He observed that the bacteria furthest from the fungus had grown to produce large-sized colonies, while the colonies closest to the fungus were tiny. He determined that mold made a substance that could dissolve bacteria. The fungus was penicilium chrysogenum and thus Fleming called this substance penicillin, by the name of the mold that produces it. Thus, after several years of experiments in 1930, Howard Florey and Ernest Chain developed at Oxford University the procedures to produce pure penicillin from the fungus that Fleming isolated. Thus penicillin could be concentrated by Florey and Chain, and in 1945 they shared with Fleming the Nobel Prize in Medicine.

Then, <u><em>the correct answer is the option c)He thought the mold had released a chemical that prevented the bacteria’s growth.</em></u>

4 0
3 years ago
If 100.0g of nitrogen is reacted with 100.0g of hydrogen, what is the excess reactant? What is the limiting reactant? Show your
Drupady [299]

N₂ : limiting reactant

H₂ : excess reactant

<h3>Further explanation</h3>

Given

mass of N₂ = 100 g

mass of H₂ = 100 g

Required

Limiting reactant

Excess reactant

Solution

Reaction

<em>N₂+3H₂⇒2NH₃</em>

mol N₂(MW=28 g/mol) :

\tt mol=\dfrac{mass}{MW}=\dfrac{100}{28}=3.571

mol H₂(MW= 2 g/mol) :

\tt mol=\dfrac{100}{2}=50

A method that can be used to find limiting reactants is to divide the number of moles of known substances by their respective coefficients, and small or exhausted reactans become a limiting reactants

From the equation, mol ratio N₂ : H₂ = 1 : 3, so :

\tt \dfrac{3.571}{1}\div \dfrac{50}{3}=3.571\div 16.6

N₂ becomes a limiting reactant (smaller ratio) and H₂ is the excess reactant

5 0
3 years ago
What are the bronsted lowry acids in the following equilibrium reaction CN+H2O
Serjik [45]

Answer:

dbdbdbdjdbdjdb zbdjdjdjdirfjfjrjdudhdhdhd

6 0
3 years ago
I’m a chemical equation which symbol should be used to indicate that a substance is in solution
Fiesta28 [93]

Answer:

(aq)

Explanation:

If the solvent is water, we use the symbol (aq) to indicate an <em>aqueous</em> solution.


7 0
3 years ago
What is DNA? Please help me out...if can
ahrayia [7]
Dna is deoxyribonucleic acid. it carries genetic instructions used in growth and development in living organisms.
8 0
3 years ago
Other questions:
  • Air is compressed from an inlet condition of 100 kPa, 300 K to an exit pressure of 1000 kPa by an internally reversible compress
    9·1 answer
  • Octane, c8h18, is a component of fuel used in internal combustion engines. the dominant intermolecular forces in octane are
    8·1 answer
  • Why guys always coming at me for?
    7·1 answer
  • PLEASE HELP!!! what occurs along a convergent plate boundary
    8·2 answers
  • Hand disinfection is frequently recommended for prevention of transmission of the rhinovirus that causes the common cold. A tota
    6·1 answer
  • Which of the following elements does not form a diatomic molecule?
    9·1 answer
  • After severe dust storms in the 1930s, practices were put in place to reduce soil erosion. Which
    14·2 answers
  • What is a pollinator?
    6·2 answers
  • Why are alkali metals so reactive?
    6·1 answer
  • A flask with a volume of 250.0 mL contains air with a density of 1.164 g/L. What is the mass of the air contained in the flask?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!