Cells & Cell Theory Flashcards
(20 cards)
What is the basic unit of life?
Cell
True or False: Cells can exist as independent organisms.
True
Fill in the blank: All living organisms are made up of ______.
cells
What are the two main types of cells?
Prokaryotic and Eukaryotic
Which type of cell lacks a nucleus?
Prokaryotic cell
What is the function of the cell membrane?
To protect the cell and regulate what enters and exits.
Multiple Choice: Which of the following is NOT a function of cells? A) Energy production B) Nutrient absorption C) Photosynthesis D) Gravity manipulation
D) Gravity manipulation
What is the role of DNA within a cell?
To store and transmit genetic information.
True or False: Cells are involved in the reproduction of living organisms.
True
What process do cells use to produce energy?
Cellular respiration
Fill in the blank: The basic structural and functional unit of all living organisms is the ______.
cell
What do we call the jelly-like substance inside a cell?
Cytoplasm
Multiple Choice: Which of the following is a characteristic of eukaryotic cells? A) No membrane-bound organelles B) Presence of a nucleus C) Smaller size than prokaryotic cells D) All of the above
B) Presence of a nucleus
What is the main difference between plant and animal cells?
Plant cells have a cell wall and chloroplasts; animal cells do not.
True or False: Cells can only arise from pre-existing cells.
True
What is the purpose of ribosomes in a cell?
To synthesize proteins.
Fill in the blank: The ______ is the control center of the cell.
nucleus
What is the function of the mitochondria?
To produce energy in the form of ATP.
What term describes the process by which cells divide?
Cell division
Multiple Choice: Which of the following is a function of the cell wall in plant cells? A) Energy production B) Protection and structure C) Nutrient absorption D) Protein synthesis
B) Protection and structure