Lipid Transport and Cholesterol Quiz

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28 Questions

Which of the following is NOT one of the four categories of large molecules in cells?

Carbohydrates

Which type of organic molecule has a unique three-dimensional shape that defines its function in an organism?

Proteins

Which type of carbohydrate is found in sports drinks and is the main fuel that cells use for cellular work?

Monosaccharides

Which type of disaccharide is the most common?

Sucrose

What is the main function of starch in plant cells?

Energy storage

Which lipid is a structural component of cell membranes?

Phospholipids

What is the function of cholesterol in the body?

Production of other steroids

Which type of cholesterol is often referred to as 'bad cholesterol'?

LDL

What happens to excess cholesterol in the body?

It is packaged into HDL

How many of the 20 amino acids can our body synthesize?

11

What is the primary structure of a protein?

The arrangement of amino acids in the protein

Which of the following correctly describes the structure of DNA?

DNA is double stranded with deoxyribose sugar and pairs adenine with thymine.

Which of the following correctly describes the structure of RNA?

RNA is single stranded with ribose sugar and pairs adenine with uracil.

Which of the following correctly describes the pairing of nitrogenous bases in DNA?

Adenine pairs with thymine and cytosine pairs with guanine.

Carbohydrates include: - Small sugar molecules in soft drinks - Long starch molecules in pasta and ______.

potatoes

Monosaccharides are simple sugars: - Glucose is found in sports drinks. - Fructose is found in ______. Honey contains both glucose and fructose.

fruit

There are four categories of large molecules in cells: - ______ - Lipids - Proteins - Nucleic acids

Carbohydrates

Disaccharides are joined through a dehydration ______.

reaction

The most common disaccharide is ______.

sucrose

Polysaccharides are complex carbohydrates that are long chains of ______ units.

sugar

Lipids are insoluble in ______.

water

DNA is a ____ stranded molecule.

double

RNA is a ____ stranded molecule.

single

The sugar in DNA is _____.

deoxyribose

______ is often called 'bad cholesterol'

LDL

Excess cholesterol is packaged into ______

HDL

High LDL is bad, high HDL is ______

good

A protein's shape is sensitive to the surrounding ______

environment

Test your knowledge on lipid transport and cholesterol with this quiz! Learn the importance of LDL and HDL cholesterol, how they affect heart disease, and how the liver recycles cholesterol. Find out why high LDL is bad and high HDL is good.

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