Answer:
When it reaches the duodenum, though, it assumes an inactive form as the pH rises above 6. Pepsins are secreted by Brunner's glands of the duodenum, and the crypts of Lieberkühn of the small intestine secrete an aqueous fluid.
Green algae is responsible for the main supply of oxygen in the atmosphere.
<span>This is a true statement. The quill gives a much softer appearance to the pen and a much higher level of control over the ability to make fine strokes. In addition, the quills can be used with dipped ink as a way of setting just how dark or how light the stroke is to be made.</span>
Depends on the type of plant. Every plant undergoes primary growth, and certain plants undergo secondary growth.:)
Answer:
Option-B
Explanation:
Schleiden was a German botanist and Schwann was a German zoologist who independently observed that plants and animals are made of cells.
Once when they together met in a conference, they shared what they observed and later both reached the conclusion that cell is the functional and structural unit of living organisms.
In the given question, since Schwann was a zoologist, therefore, he concluded that the cell in an organism must function properly whereas Schleiden was a botanist and concluded that the different structures of a plant are composed of cells.
Thus, Option-B is the correct answer.