Answer five of the following by filling in the blank spaces - Leaving Cert Biology - Question 1 - 2010
Question 1
Answer five of the following by filling in the blank spaces.
(a) In relation to the human diet, what is meant by a trace element?
________________________________... show full transcript
Worked Solution & Example Answer:Answer five of the following by filling in the blank spaces - Leaving Cert Biology - Question 1 - 2010
Step 1
In relation to the human diet, what is meant by a trace element?
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
A trace element is a mineral that is needed by the body in very small amounts, typically less than 0.01% of a person's diet, but is essential for various biochemical functions.
Step 2
Give an example of a trace element
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
Examples of trace elements include iron (Fe), copper (Cu), and zinc (Zn).
Step 3
State one way in which an oil differs from a fat
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
An oil is generally liquid at room temperature, whereas a fat is solid or semi-solid. Oils are usually unsaturated, while fats tend to be saturated.
Step 4
Vitamins may be divided into two groups depending upon their solubility. Name these two groups.
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
(i) Fat-soluble
(ii) Water-soluble
Step 5
What is a triglyceride?
97%
117 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
A triglyceride is a type of fat (or lipid) in the body consisting of a glycerol molecule attached to three fatty acid molecules.
Join the Leaving Cert students using SimpleStudy...
