30 Questions
What is the role of lipases?
Breaking down fats into glycerol and fatty acids
Where are all enzymes made?
Pancreas and small intestine
What is the function of villi in the small intestine?
Absorb nutrients through diffusion
Which enzyme is also produced in the salivary glands?
Amylase
Why is the lining of the small intestine only one cell thick?
To provide a short distance for diffusion
What do villi contain to carry away absorbed nutrients?
Blood capillaries
Where does respiration happen in cells?
Mitochondria
What is a characteristic of organisms in the Kingdom Bacteria?
Have flagella for movement
Why don't animal cells have chloroplasts?
To make their own food
What is the purpose of respiration in living organisms?
To release energy for life processes
What is a characteristic of organisms in the Kingdom Protoctists?
Contain a nucleus
Which type of respiration does not require oxygen?
Anaerobic respiration
What is the function of mitochondria in animal cells?
Produce energy
What is the product of aerobic respiration in addition to energy?
Carbon dioxide and water
Which Kingdom stores carbohydrate as glycogen?
Kingdom Fungi
During which process do plants release oxygen into the environment?
Photosynthesis
When do plants and animals undergo aerobic respiration?
Throughout the day and night
Which Kingdom contains organisms similar to plant cells and animal cells?
Kingdom Protoctists
What is the key difference between diffusion and active transport?
Diffusion is passive, while active transport is active and requires energy.
Where does active transport primarily occur?
Across a membrane with the help of special proteins
Why is active transport important for root hair cells?
To absorb mineral ions from dilute solutions against the concentration gradient
Which organ in humans demonstrates active transport by absorbing glucose?
Small intestine
Why is active absorption of glucose important for humans?
Glucose is needed for respiration to provide energy
Which statement describes the role of special proteins in active transport?
Proteins facilitate the movement of molecules across membranes during active transport
What is the main reason you continue to breathe heavily after finishing sprinting?
Muscle cells need more energy when sprinting
What is the primary result of muscle cells switching to anaerobic respiration during heavy exercise?
Build-up of lactic acid in muscles
What kind of exercise is likely to result in muscle cells switching to anaerobic respiration due to lack of oxygen?
Sprinting
How does lactic acid affect muscle cells during anaerobic respiration?
Causes pain and stiffness
What happens when extra oxygen is inhaled after exercise in relation to lactic acid in the muscles?
It breaks down lactic acid into carbon dioxide and water
Why is a gentle jog and stretching recommended after vigorous exercise?
To remove lactic acid from the muscles
Test your knowledge on the characteristics and examples of organisms in the Fungi and Bacteria kingdoms. Learn about the structure of mycelium, saprophytic nutrition, and cell wall composition.
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