Cells can be classified as either prokaryotic or eukaryotic - Leaving Cert Biology - Question 14 (b) - 2016
Question 14 (b)
Cells can be classified as either prokaryotic or eukaryotic.
Give two features of eukaryotic cells which distinguish them from prokaryotic cells.
Give one function... show full transcript
Worked Solution & Example Answer:Cells can be classified as either prokaryotic or eukaryotic - Leaving Cert Biology - Question 14 (b) - 2016
Step 1
Give two features of eukaryotic cells which distinguish them from prokaryotic cells.
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Answer
Eukaryotic cells are characterized by the presence of a nucleus and membrane-enclosed organelles such as mitochondria and chloroplasts, which are not found in prokaryotic cells.
Step 2
Give one function of one named tissue found in plants.
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Answer
Xylem is a type of plant tissue that is responsible for the transport of water and dissolved minerals from the roots to the leaves.
Step 3
Give one function of one named tissue found in animals.
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Answer
Muscle tissue enables movement within the body, allowing animals to perform various actions.
Step 4
State one way in which the tissue is adapted to carry out the function that you have indicated.
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Answer
Xylem tissue has hollow vessels that facilitate efficient water transport due to cohesion and adhesion properties of water molecules.
Step 5
State one way in which the tissue is adapted to carry out the function that you have indicated.
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Answer
Muscle tissue is made up of specialized cells that can contract and relax, which allows for movement.
Step 6
How does an organ differ from a tissue?
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An organ is a structure made up of two or more types of tissues working together to perform a specific function, whereas a tissue is a group of similar cells that work together to perform a particular function.
Step 7
What is meant by the term tissue culture?
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Tissue culture refers to the growth of cells in a nutrient medium outside the organism or the growth of cells in vitro.
Step 8
State two requirements for successful tissue culture.
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Successful tissue culture requires: 1. Sterile (conditions) and nutrients, hormones or growth regulators; 2. Suitable temperature and oxygen supply.
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