Which of the following organic molecules contains a free carboxyl group on its hydrolysis ?

1-Phospholipids and polysaccharides.

2-Phospholipids and proteins.

3-Polysaccharides only.

4-Proteins only.

Which of the following are the ingredients that go into the plant and are needed for photosynthesis? select all that apply. 1.) soil 2.) seeds 3.) carbon dioxide 4.) minerals 5.) glucose (sugar) 6.) water 7.) light energy (sunlight) 8.) oxygen 9.) air