Biological Molecules Study Guide

Proteins are built from long chains of which smaller building blocks?

• Nucleotides

• Monosaccharides

• Amino acids

• Fatty acids

Tags

NGSS.HS-LS1-1

Which category describes proteins that assist in chemical reactions in the body?

• Structural proteins

• Defensive proteins

• Transport proteins

• Enzymes

Which is a function of structural proteins according to the study guide?

• Carry oxygen around the body

• Build tissues like muscle and bone

• Convert glucose to energy

• Store long-term energy as fat

Foods high in protein include which group listed in the guide?

• Grains, fruits, vegetables

• Meat, fish, dairy, nuts, beans

• Oils, waxes, fats

• Sugary drinks and candy

Carbohydrates are macromolecules made of long chains of which simple units?

• Amino acids

• Monosaccharides

• Nucleotides

• Fatty acids

According to the study guide, what do athletes often do before competitions to ensure enough energy?

• Increase protein intake for muscle repair

• Carb-load to build energy reserves

• Drink extra water to dilute sugars

• Avoid carbohydrates to prevent fatigue

Which statement best summarizes a key role of carbohydrates in the body?

• They form the genetic blueprint of cells

• They provide energy to all cells

• They insulate mammals from cold

• They carry nutrients around the body

Tags

NGSS.HS-LS1-7

Carbohydrates are broken down into monosaccharides called glucose. What does your body use glucose to help produce?

• Insulation

• Proteins

• Energy

• DNA

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5

Which natural food sources are identified as rich in carbohydrates?

• Meat and fish

• Grains, fruits, and vegetables

• Dairy and nuts

• Oils and waxes

Lipids are made of large chains of which molecules?

• Amino acids

• Monosaccharides

• Fatty acids

• Nucleotides