Answer any four of the following parts:
(a) Name the chemical elements present in carbohydrates - Leaving Cert Biology - Question 1 - 2009
Question 1
Answer any four of the following parts:
(a) Name the chemical elements present in carbohydrates.
(b) Which two of these elements always occur in a 2:1 ratio in car... show full transcript
Worked Solution & Example Answer:Answer any four of the following parts:
(a) Name the chemical elements present in carbohydrates - Leaving Cert Biology - Question 1 - 2009
Step 1
Name the chemical elements present in carbohydrates.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The chemical elements present in carbohydrates are Carbon (C), Hydrogen (H), and Oxygen (O). These elements are essential for the structure and function of carbohydrates, contributing to their chemical properties.
Step 2
Which two of these elements always occur in a 2:1 ratio in carbohydrates?
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The two elements that always occur in a 2:1 ratio in carbohydrates are Hydrogen (H) and Oxygen (O). This ratio is a fundamental characteristic of carbohydrates, associated with their empirical formula, typically represented as Cn(H2O)n.
Step 3
Name a structural carbohydrate.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
A commonly known structural carbohydrate is Cellulose. It is a polysaccharide that provides structural support to plant cell walls, consisting of long chains of glucose units linked by β-1,4-glycosidic bonds.
Step 4
Give a function of carbohydrates other than a structural one.
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
One important function of carbohydrates, other than structural support, is energy storage. Carbohydrates such as starch in plants and glycogen in animals serve as energy reserves that can be mobilized when needed.
Join the Leaving Cert students using SimpleStudy...
