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21 Terms
What is the function of the cell membrane?
It acts as a thin barrier separating the cell interior from the outside environment.
What is the role of the cell wall?
It serves as a rigid, protective layer around some cells.
What is the primary function of chloroplasts?
They are the site of photosynthesis in plant cells.
What is cytoplasm?
It is the jelly-like material inside a cell, excluding the nucleus.
What is an enzyme?
An enzyme is a protein that speeds up chemical reactions.
What is a plasmid?
A plasmid is a small circular DNA piece found in bacteria.
Define a prokaryote.
A prokaryote is a single-celled organism without a nucleus.
What are ribosomes?
Ribosomes are tiny cell parts that make proteins.
What is protein synthesis?
It is the process cells use to make proteins.
What does protein analysis involve?
It involves studying the sequence of amino acids in a protein.
How do enzymes relate to metabolism?
Enzymes accelerate biochemical reactions essential for growth and maintenance.
What is the main purpose of the cell membrane?
To separate the cell from its external environment.
What are the characteristics of the cell wall?
It is rigid and serves as a protective layer.
In which type of cells do chloroplasts occur?
Chloroplasts are found in plant cells.
What is contained within the cytoplasm?
It contains the jelly-like material and various organelles, excluding the nucleus.
Why are enzymes important?
They speed up biochemical reactions necessary for various cellular functions.
What is a key feature of plasmids?
They are circular and found in bacteria.
What distinguishes prokaryotic cells from eukaryotic cells?
Prokaryotes lack a nucleus.
What is the role of ribosomes in the cell?
They are responsible for synthesizing proteins.
What is the significance of protein synthesis in cells?
It is essential for the production of proteins required for cell functions.
What does enzyme activity contribute to in metabolism?
It contributes to the acceleration of essential biochemical reactions.