The statements describe the structure of a polysaccharide found in the cell walls of certain plants. 1 The polysaccharide is composed of two different monosaccharides. 2 The monosaccharides are joined by 1,4 glycosidic bonds. 3 The polysaccharide contains pentose sugars. Which statements are also true for cellulose?

Which molecules are globular proteins? 1 amylase 2 haemoglobin 3 DNA polymerase

When hydrolysed, which molecules have products containing a carboxyl group? 1 phospholipids 2 polysaccharides 3 proteins

Four solutions were tested with Benedict's solution. The table shows the colour of the solutions after testing. [Tabl…

Which terms describe the method by which water is transported within xylem vessel elements? 1 mass flow 2 cohesion-te…

Which combination of features is characteristic of a phloem sieve tube element as it is loaded from a source?

Which properties of lignin are important for the function of xylem vessels in the stem of a tall plant, such as a tre…