Chemistry: Biomolecules and Carbon Bonds

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33 Questions

What type of bond does carbon form by sharing its four electrons with other atoms?

Covalent bond

Which atoms are common in biomolecules besides carbon?

Oxygen and nitrogen

What are polymers in the context of biomolecules?

Molecules consisting of repeated subunits

Which group can glucose be classified into?

Monosaccharides

What is the most common type of biomolecule?

Carbohydrates

What enables carbon-containing molecules to be large and complex?

The ability to share four electrons and form covalent bonds with other carbon atoms

What is the general formula for fructose and galactose?

C6H12O6

Which monosaccharides are important components of nucleotides?

Ribose and deoxyribose

What is the common name for sucrose?

Table sugar

Which polysaccharide is found in animal cells and used for storing energy?

Glycogen

What is the main reason for the body to store energy in the form of glycogen rather than monosaccharides?

To prevent cells from swelling and bursting due to osmotic force

Which polysaccharide is found in plants and consumed by humans for energy?

Starch

What happens when monosaccharides are linked together to form disaccharides and polysaccharides?

Condensation reaction occurs, producing water

What type of reaction occurs when disaccharides and polysaccharides are broken down to their monosaccharide subunits?

Hydrolysis

What is another name for cellulose, a polysaccharide found in plants?

Dietary fiber

What is the role of polysaccharides in addition to storing energy?

Important components of cell membranes

What type of bond does carbon form by sharing its four electrons with other atoms?

Covalent bond

Which type of biomolecule consists of repeated subunits and polymers of amino acids?

Proteins

What is the most common monosaccharide that serves as an important source of energy for cells?

Glucose

Which type of bond enables carbon-containing molecules to be large and complex?

Covalent bond

What is the general formula for glucose, the most common monosaccharide?

$C_6H_{12}O_6$

Which group can glucose be classified into based on its chemical structure?

Monosaccharides

Which type of carbohydrates are formed by the covalent bonding of several monosaccharides?

Polysaccharides

What is the general formula for fructose and galactose?

$C6H12O6$

Which carbohydrate is known as dietary fiber and is found in plants?

Cellulose

What type of reaction occurs when monosaccharides are linked together to form disaccharides and polysaccharides?

Condensation

Which molecule is composed of a glucose subunit and a fructose subunit joined together?

Sucrose

What is the common name for lactose?

Milk sugar

$C6H9O6$ + $C6H12O6$ -> ??

$C12H22O11$

What happens when disaccharides and polysaccharides are broken down to their monosaccharide subunits?

Hydrolysis

Which type of carbohydrates exerts an osmotic force that could draw water into cells if stored in its monosaccharide form?

Monosaccharides

What is the polymer of glucose subunits found in animal cells?

Glycogen

What enables carbon-containing molecules to be large and complex?

Carbon's ability to form four covalent bonds with other atoms

Test your knowledge on biomolecules, carbon bonds, and the atoms commonly found in biomolecules such as oxygen, hydrogen, and nitrogen.

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