Exploring Lipids and Proteins

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Which organ combines ammonia with carbon dioxide to form urea?

Kidneys

Liver (correct)

Heart

Lungs

What is the shape of DNA?

Triple helix

Single helix

Double helix (correct)

Spiral helix

What are the building blocks of DNA/RNA called?

Lipids

Monosaccharides

Nucleotides (correct)

Amino acids

What is the function of enzymes?

To regulate cell metabolism Signup and view all the answers

Which process breaks down fats into glycerol and fatty acid chains?

Hydrolysis Signup and view all the answers

What happens to excess ketones produced during fat metabolism?

They cause keto-acidosis Signup and view all the answers

When are amino acids converted into energy?

When there are too many proteins and carbohydrates and fats are not available Signup and view all the answers

Which process breaks down fats into glycerol and fatty acid chains?

Beta oxidation Signup and view all the answers

What is the result of too many ketones in the body?

Fruity breath Signup and view all the answers

When are amino acids converted into energy?

When carbohydrates and fats are not available Signup and view all the answers

Which organ handles fat metabolism with hydrolysis?

Liver Signup and view all the answers

What is the function of the Kreb cycle?

To convert substances into ATP Signup and view all the answers

What is the result of too many ketones in the body?

Fruity breath Signup and view all the answers

What is the primary function of proteins in the body?

To maintain cellular structures Signup and view all the answers

What happens to excess ketones produced during fat metabolism?

They are excreted in urine Signup and view all the answers

What is the primary function of amino acids in the body?

To maintain cellular structures Signup and view all the answers

Which process removes the nitrogen group called ammonia from amino acids?

Deamination Signup and view all the answers

Which molecule is formed when the liver combines ammonia with carbon dioxide?

Urea Signup and view all the answers

What is the function of DNA polymerase during DNA synthesis?

It binds the separated base pairings together Signup and view all the answers

Which of the following is NOT an organic base found in DNA?

Thymine Signup and view all the answers

What is the role of enzymes in cell metabolism?

They regulate cell metabolism Signup and view all the answers

Which of the following is NOT a classification of enzymes based on their function?

Decarboxylases Signup and view all the answers

What is the active site of an enzyme?

A wall that fits a shaped object (substrate) Signup and view all the answers

What happens during enzyme inhibition?

The active site of the enzyme is distorted and cannot fit the substrate Signup and view all the answers

What is the function of hydrolases?

To add water to a molecule without splitting it Signup and view all the answers

What is the role of cofactors in enzyme activity?

They are substances essential for enzyme activity Signup and view all the answers

Which factors can affect enzyme activity?

Temperature, hydrogen ion concentration, cofactors Signup and view all the answers

Exploring Lipids and Proteins

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Questions and Answers

Which organ combines ammonia with carbon dioxide to form urea?

What is the shape of DNA?

What are the building blocks of DNA/RNA called?

What is the function of enzymes?

Which process breaks down fats into glycerol and fatty acid chains?

What happens to excess ketones produced during fat metabolism?

When are amino acids converted into energy?

Which process breaks down fats into glycerol and fatty acid chains?

What is the result of too many ketones in the body?

When are amino acids converted into energy?

Which organ handles fat metabolism with hydrolysis?

What is the function of the Kreb cycle?

What is the result of too many ketones in the body?

What is the primary function of proteins in the body?

What happens to excess ketones produced during fat metabolism?

What is the primary function of amino acids in the body?

Which process removes the nitrogen group called ammonia from amino acids?

Which molecule is formed when the liver combines ammonia with carbon dioxide?

What is the function of DNA polymerase during DNA synthesis?

Which of the following is NOT an organic base found in DNA?

What is the role of enzymes in cell metabolism?

Which of the following is NOT a classification of enzymes based on their function?

What is the active site of an enzyme?

What happens during enzyme inhibition?

What is the function of hydrolases?

What is the role of cofactors in enzyme activity?

Which factors can affect enzyme activity?

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