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Introduction to Biochemistry

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Questions and Answers

What is the main focus of biochemistry?

The study of biology at the molecular level (correct)

The study of biology at the ecosystem level

The study of biology at the cellular level

The study of biology at the organism level

What are the large molecules called that are present in living organisms?

Macromolecules (correct)

Biomolecules

Organic molecules

Micromolecules

What is the role of carbohydrates, fats, nucleic acids, and proteins in the foods we eat?

They are used to build new cells

They are used as energy sources

They are used to synthesize vitamins and hormones

They are broken down and rearranged to provide energy and building blocks (correct)

What is the branch of science that studies organic compounds?

Organic chemistry Signup and view all the answers

What is the source of nutrients for humans?

The foods we eat Signup and view all the answers

What is the energy-carrying molecule mentioned in the text?

Adenosine triphosphate (ATP) Signup and view all the answers

What is the primary source of energy for a cell?

Catabolic reactions Signup and view all the answers

Which of the following phases of glucose catabolism is anaerobic?

Glycolysis Signup and view all the answers

What is the result of breaking bonds in catabolic reactions?

Energy is released Signup and view all the answers

What is the purpose of enzymes in a biochemical pathway?

To facilitate chemical reactions Signup and view all the answers

What is the characteristic of fermentation reactions?

They do not involve oxygen Signup and view all the answers

What is the result of the biochemical pathway with 4 steps?

Compound A is converted to Compound E Signup and view all the answers

What is the term for the study of compounds that contain carbon?

Organic chemistry Signup and view all the answers

What is the characteristic of lichens?

They are composed of an alga and a fungus living in a mutualistic relationship Signup and view all the answers

What is the term for a series of carbon atoms bonded together?

Chain Signup and view all the answers

What is the characteristic of slime moulds?

They have both fungal and protozoal characteristics Signup and view all the answers

What is the term for a covalent bond in which a pair of electrons is shared?

Covalent bond Signup and view all the answers

What is the name of the cyclic compound with six carbons and six hydrogens?

Benzene Signup and view all the answers