Robert Koch is the scientist who created tests that helped confirm that bacteria and other microorganisms cause a variety of diseases. He is a German physician and a microbiologist who is known in identifying specific causative agents in a number of illnesses which includes cholera, tuberculosis and anthrax. Due to this contribution to medicine, he received a Nobel Prize in 1905.<span />
Photosynthesis takes place in the roots of the plant
Proteins are made of smaller building blocks called amino acids.
Answer: b. nonreducing sugars which include among others raffinose, verbascose and stachyose
Explanation:
Phloem is defined as the vascular tissue which functions for the transport of sugars from source tissues, proteins and mRNAs throughout the plant.
Sugars present in phloem are non-reducing oligosaccherides which includes raffinose, verbascose and stachyose. Verbascose has three α-d-galactose molecules that are attached to sucrose; stachyose has two, and raffinose has one. The oligosaccharides are α-1, 6-galactosyl sucrose extensions (Suc). Those are present in plant phloems like Bignoniaceae, Oleaceae, Celastraceae, Myrtaceae, Verbenaceae and others.
These all functions for the transport of sugar in phloem sap and as storage sugars.
Hence, the correct option is b. nonreducing sugars which include among others raffinose, verbascose and stachyose