What organelle is the stiff outer barrier of a plant cell?
What organelle contains the cell's DNA and is the control center of the cell?
What organelle is the structure that contains chlorophyll in a plant cell?
What is the green pigment in plants that captures energy from the sun?
Organelle in which proteins are made (protein synthesis).
What is the main function of the cell wall
What is the main function of the cell wall
Which of the following are products of photosynthesis?
Which of the following are reactants of photosynthesis?
After processing of food in stomach, it moves into
Read carefully the terms given below. Which of the following set is the correct combination of organs that do not carry out any digestive functions?
The acid present in the stomach

This is the

What are two factors that limit an enzyme's ability to function?

Which enzyme works best in an acidic environment (pH less than 7)
What happens to the enzyme when the pH increases to high?
Bile is produced by the _________________, and stored in the __________________.
Which sequence shows the pathway that food takes in the digestive system?
Which of the following system breaks food into nutrients that can be used by the body?
The digestion process begins in which of the following?
Which best describes the role of the esophagus in digestion?
What does the stomach do for the body?
This is the
This is the
At what temperature does this enzyme work the fastest?
Which enzyme works best in a neutral environment?