Bio Review Revised Unraveling the Mystery of Lactose Tolerance

What are the symptoms of lactose intolerance?

• Nausea, headache, and fatigue

• Bloating, diarrhea, gas, and abdominal pain

• Skin rash and itching

• Increased appetite and weight gain

What enzyme breaks down lactose?

• Amylase

• Lactase

• Protease

• Lipase

Why might someone be lactose tolerant?

• Continued lactase production into adulthood due to genetic adaptation.

• Increased consumption of dairy products during childhood.

• A diet high in fiber and low in carbohydrates.

• A result of taking probiotics regularly.

What is the difference between mitosis and meiosis?

• Mitosis produces two identical daughter cells, while meiosis produces four genetically diverse gametes with half the genetic material.

• Mitosis produces four identical daughter cells, while meiosis produces two genetically diverse gametes with full genetic material.

• Mitosis and meiosis both produce two identical daughter cells with half the genetic material.

• Mitosis produces two genetically diverse daughter cells, while meiosis produces four identical gametes with full genetic material.

What materials are needed for a lactose tolerance investigation?

• Lactase powder, cow's milk (not lactose-free), and containers

• Microscope, lactase powder, and containers

• Cow's milk (lactose-free), containers, and a microscope

• Lactase powder, water, and a microscope

What is the role of genetic material in lactose tolerance?

• It determines the production of lactase enzyme, influencing an individual's ability to digest lactose.

• It has no effect on lactose digestion.

• It only affects the taste of lactose-containing foods.

• It determines the color of lactose in dairy products.

What is the relationship between lactose and glucose?

• Lactose is a type of glucose.

• Lactose is composed of glucose and galactose.

• Lactose is a simpler sugar than glucose.

• Lactose is unrelated to glucose.

What is the purpose of the lactose tolerance test?

• To measure how well the body can digest lactose by monitoring glucose levels after lactose consumption.

• To determine the presence of lactose in dairy products.

• To assess the overall health of the digestive system.

• To evaluate the body's ability to produce insulin.

What is the outcome if glucose is present after a lactose tolerance test?

• Lactose has been successfully broken down by lactase.

• Lactose remains undigested in the intestine.

• Glucose is converted back to lactose.

• Lactose is absorbed directly into the bloodstream.

What is lactose?

• A sugar found in milk and dairy products, composed of glucose and galactose.

• A type of protein found in meat.

• A fat found in butter and cheese.

• A mineral found in vegetables.