Which statements about the differences between phospholipids and triglycerides are correct? 1 Phospholipids have hydrophobic regions but triglycerides do not. 2 The fatty acids in a phospholipid are always saturated but in a triglyceride they may be saturated or unsaturated. 3 Phospholipids are polar molecules but triglycerides are non-polar.

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 feature of glycogen distinguishes glycogen from starch?

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…

A heating sleeve was placed around the trunk of a small tree at a height of 1 m above the ground. This allowed a narr…