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S9 Unit C 1.0 Review: Nitrogen Fixation Cycle, Acids and Bases

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S9 Unit C 1.0 Review: Nitrogen Fixation Cycle, Acids and Bases

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Questions and Answers

What is the neutralization equation for acid and base?

Base + Salt -> Acid + Water

Acid + Base -> Water + Salt (correct)

Acid + Water -> Salt + Base

Water + Acid -> Base + Salt

What are the basic units of carbohydrates, lipids, proteins, and nucleic acids?

Nucleotides, monosaccharides, amino acids, fatty acids

Amino acids, fatty acids, monosaccharides, nucleotides

Fatty acids, amino acids, nucleotides, monosaccharides

Monosaccharides, fatty acids, amino acids, nucleotides (correct)

What are macronutrients and how many are necessary for humans?

Nutrients needed in very small amounts; 5

Nutrients needed in large amounts; 6

Nutrients needed in large amounts; 3 (correct)

Nutrients needed in very small amounts; 3

How do nutrients move in our bodies through the process of osmosis?

From a higher concentration to a lower concentration Signup and view all the answers

What is the difference between organic and inorganic compounds?

Organic compounds contain carbon and hydrogen, while inorganic compounds do not. Signup and view all the answers

What are macronutrients and how many are necessary for humans?

Macronutrients are nutrients required in large amounts, and humans need 3 of them. Signup and view all the answers

How do nutrients move in our bodies?

By active transport Signup and view all the answers

How does the pH scale work? What does it tell us?

The pH scale measures the concentration of hydrogen ions in a solution. A lower pH indicates a higher concentration of hydrogen ions. Signup and view all the answers

Which stage of the nitrogen cycle involves the conversion of ammonia or ammonium into nitrite and then into nitrate?

Nitrification Signup and view all the answers

What is the primary process that converts atmospheric nitrogen (N2) into ammonia (NH3) or ammonium (NH4+), making it available for plants' use?

Fixation Signup and view all the answers

Where does nitrogen assimilation occur in the nitrogen cycle?

When plants absorb dissolved nitrogen compounds from the soil Signup and view all the answers

What is the main source of ammonia or ammonium for the nitrogen cycle?

Organic nitrogen from dead plants and animals Signup and view all the answers

What is the role of Nitrosomonas and Nitrobacter in the nitrogen cycle?

Absorbing nitrates and converting them into organic nitrogen Signup and view all the answers

Which process releases nitrogen gas into the atmosphere, making it available for fixation to start the cycle again?

Denitrification Signup and view all the answers

How does the nitrogen cycle indirectly relate to the oxygen cycle?

Nitrogen supports photosynthesis, indirectly linking it to the oxygen cycle Signup and view all the answers

What is the consequence of disrupting the processes of the nitrogen cycle?

Negative impacts on ecosystems, agriculture, and human health Signup and view all the answers

S9 Unit C 1.0 Review: Nitrogen Fixation Cycle, Acids and Bases

Choose a study mode

Podcast

Questions and Answers

What is the neutralization equation for acid and base?

What are the basic units of carbohydrates, lipids, proteins, and nucleic acids?

What are macronutrients and how many are necessary for humans?

How do nutrients move in our bodies through the process of osmosis?

What is the difference between organic and inorganic compounds?

What are macronutrients and how many are necessary for humans?

How do nutrients move in our bodies?

How does the pH scale work? What does it tell us?

Which stage of the nitrogen cycle involves the conversion of ammonia or ammonium into nitrite and then into nitrate?

What is the primary process that converts atmospheric nitrogen (N2) into ammonia (NH3) or ammonium (NH4+), making it available for plants' use?

Where does nitrogen assimilation occur in the nitrogen cycle?

What is the main source of ammonia or ammonium for the nitrogen cycle?

What is the role of Nitrosomonas and Nitrobacter in the nitrogen cycle?

Which process releases nitrogen gas into the atmosphere, making it available for fixation to start the cycle again?

How does the nitrogen cycle indirectly relate to the oxygen cycle?

What is the consequence of disrupting the processes of the nitrogen cycle?

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