Organisation is one of the characteristics of life - Leaving Cert Biology - Question 3 - 2019
Question 3
Organisation is one of the characteristics of life. This includes organisation of cells.
(a) What is meant by the term tissue?
(b) Name two types of animal tissue.... show full transcript
Worked Solution & Example Answer:Organisation is one of the characteristics of life - Leaving Cert Biology - Question 3 - 2019
Step 1
What is meant by the term tissue?
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Answer
A tissue is defined as a group of cells with the same function or a group of cells working together to perform a specific task.
Step 2
Name two types of animal tissue.
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Answer
Epithelial tissue
Muscle tissue
Step 3
State how each of these tissue types is adapted to carry out its function.
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Answer
Epithelial tissue: This tissue is adapted to provide protection and facilitate absorption and secretion, having tightly packed cells with minimal extracellular matrix.
Muscle tissue: This tissue consists of elongated cells capable of contraction, allowing movement and force generation.
Step 4
What is meant by the term tissue culture?
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Tissue culture refers to the growth of cells on (or in) a medium outside of the organism, allowing for the maintenance and proliferation of those cells in vitro.
Step 5
Give one other application of tissue culture.
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One application of tissue culture is plant breeding, where micro-propagation techniques are used for producing multiple plants from a single parent.
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