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16 Questions

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Biochemistry 1 Lecture 1: Introduction

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Questions and Answers

What is the general formula for carbohydrates?

C6H12O6

Cn(H2O)n (correct)

CO2

CH4O2

Which compound is a common example of a carbohydrate?

Glucose (correct)

Lactose

Fructose

Sucrose

What is one of the biological functions of carbohydrates?

Serving as cell membrane components that mediate some forms of intercellular communication (correct)

Synthesis of proteins

Production of energy in the form of ATP

Regulation of body temperature

What is the function of carbohydrates in the synthesis of DNA and RNA?

Synthesis of oxy and deoxy ribose sugars used in building of RNA and DNA structure, respectively Signup and view all the answers

Which functional groups do carbohydrates contain?

-OH and C=O Signup and view all the answers

What is the most appropriate definition of carbohydrates?

Compounds that contain C, H, O with a general formula of Cn(H2O)n Signup and view all the answers

What is the main biological function of triglycerides?

Energy storage in adipocytes Signup and view all the answers

Which of the following is a structural component of cartilage?

Chondroitin Signup and view all the answers

What is the main function of insulin in the body?

Regulating blood sugar levels Signup and view all the answers

What is the primary role of eicosanoids and prostaglandins?

Acting as chemical messengers among cells Signup and view all the answers

Which organic compound is not contained in proteins?

Calcium Signup and view all the answers

What is the primary function of hormonal proteins in the body?

Acting as chemical messengers between cells Signup and view all the answers

Which compound is responsible for providing 9 kcal of energy per gram?

Triglycerides Signup and view all the answers

Which lipid is a structural component of cell membranes?

Sphingolipids Signup and view all the answers

What are the primary components of proteins?

Amino acids Signup and view all the answers

What is an example of a mixed or conjugated protein?

Glycoproteins embedded in cell membranes Signup and view all the answers