Molecular Biology Quiz
Preview:
Which is the primary molecule broken down for energy in cells?
A. salt
B. water
C. sugar
D. protein
Which type of diet best contributes to a healthy lifestyle?
A. A diet high in protein and fat
B. A diet high in carbohydrates, fruits, and vegetables
C. A diet high in fruits, vegetables, and fats
D. A diet high in fruits, vegetables, and lean protein
Which best describes the process of photosynthesis?
A. Carbon dioxide and oxygen are converted into glucose and water.
B. Carbon dioxide and water are converted into glucose and oxygen.
C. Oxygen and glucose are converted into carbon dioxide and water.
D. Oxygen and water are converted into carbon dioxide and glucose.
What are the products of cellular respiration?
A. oxygen and sugar
B. carbon dioxide and sugar
C. oxygen and water
D. carbon dioxide and water
Crystal is trying to increase the protein in her diet. Which foods will best satisfy this nutritional need?
A. Peas, fish, milk, and beans
B. Apples, carrots, juice, and rice
C. Kiwi, lettuce, tea, and strawberries
D. Watermelon, spinach, coffee, and pasta
What advantage do sugars provide for an organism’s diet?
A. Produce some energy for cells
B. Supply amino acids needed to build muscle
C. provide code for DNA offsprinc
Which digestive process initiates cellular respiration?
A. Eliminating waste
B. Filtering out harmful substances
C. Breaking down food into glucose
D. Chewing up food into smaller pieces
High levels of glucose in the blood may be a symptom of which disease?
A. asthma
B. diabetes
C. cancer
D. heart disease
Which would be most beneficial to an individual suffering from heart disease?
A. Eating foods with a high calorie count
B. drinking a glass of fruit juice with every meal
C. walking on a treadmill 30 minutes each day
Which combination of foods best provides a healthy and nutritious meal?
A. Steak, fries, orange juice, banana
B. Baked potato, chicken nuggets, fruits, and orange juice
C. Apple, grilled chicken sandwich, orange juice, and yogurt
D. Macaroni and cheese, orange juice, ice cream, and pound cake
Which activity would supply the most oxygen to the body for digestion and respiration?
A. sit-ups
B. running
C. stretching
D. lifting weights
Which best describes the nutrients that are sources of energy for the body?
A. fats and proteins
B. water and carbohydrates
C. fats and carbohydrates
Which most accurately describes how plants and animals obtain the energy they need for growth and survival?
A. Molecules are broken down during respiration to release stored energy.
B. Molecules are broken down during photosynthesis to release stored energy.
C. Animals produce energy through photosynthesis, while plants produce energy through respiration.
D. Animals produce energy through respiration, while plants produce energy through photosynthesis.
Which molecules are most closely linked to heart disease in humans?
A. carbohydrates
B. fats
C. proteins
Which is most likely the result of a diet high in sugars and fats?
A. cancer
B. diabetes
C. melanoma
D. tuberculosis
Which best explains how mold is able to grow on an old piece of cheese in the refrigerator?
A. Mold is produced when the cheese ages and reacts with moisture in the air.
B. Mold is naturally contained within the cheese and spontaneously grows when the cheese becomes old.
C. Mold spores are present in the air, and the cheese provides the energy and building materials the mold needs to survive.
D. Mold spores are present in the air, and moisture in the air provides the energy and building materials the mold needs to survive.
Which best describes the process by which the energy from the sun is used to create glucose molecules?
A. fermentation
B. chemo-synthesis
C. cellular respiration
D. photosynthesis
When an organism oxidizes food, some of the energy is lost. Which best explains this loss of energy?
A. Energy is released as heat
B. Energy is stored for later use
C. Energy is converted to waste
D. Energy is converted to chemical compounds
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