Bio Flashcards
(27 cards)
What is the basic unit of life?
The cell.
True or False: All living organisms are composed of cells.
True.
Name the three main parts of a cell.
Cell membrane, cytoplasm, nucleus.
What are prokaryotic cells?
Cells without a nucleus or membrane-bound organelles.
What type of cells are plants and animals made of?
Eukaryotic cells.
Fill in the blank: The Kingdom _____ includes multicellular organisms that can perform photosynthesis.
Plantae.
Which kingdom includes organisms that are primarily unicellular and can be autotrophic or heterotrophic?
Protista.
What is the primary function of the cell membrane?
To protect the cell and regulate what enters and exits.
What is microscopy?
The use of microscopes to view small objects or organisms.
True or False: Light microscopes can magnify objects up to 1,000 times.
True.
What is the main difference between light microscopes and electron microscopes?
Electron microscopes use electron beams, allowing for much higher magnification and resolution.
Fill in the blank: The _____ microscope is used to view live cells.
light.
What does the term ‘resolution’ refer to in microscopy?
The ability to distinguish two close objects as separate.
Which type of cell lacks a true nucleus?
Prokaryotic cell.
What is the function of ribosomes?
To synthesize proteins.
Name one characteristic of fungi.
They are eukaryotic and often multicellular, with cell walls made of chitin.
In which kingdom would you classify a multicellular organism that absorbs nutrients from decaying matter?
Fungi.
True or False: Bacteria are classified under the kingdom Animalia.
False.
What organelle is known as the powerhouse of the cell?
Mitochondria.
Fill in the blank: The _____ is the control center of the cell.
nucleus.
What is the primary role of chloroplasts?
To conduct photosynthesis in plant cells.
Name a type of microscopy that uses fluorescent markers.
Fluorescence microscopy.
What is the purpose of staining in microscopy?
To enhance contrast in the specimen being observed.
Which organelle is responsible for packaging and distributing proteins?
Golgi apparatus.
