I like Science because of cells Flashcards
(27 cards)
What is the basic unit of life?
Cell
True or False: All living organisms are made up of cells.
True
Fill in the blank: The process by which cells divide to reproduce is called __________.
mitosis
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 organelle is known as the powerhouse of the cell? A) Ribosome B) Mitochondria C) Nucleus
B) Mitochondria
What is the jelly-like substance inside a cell called?
Cytoplasm
True or False: Plant cells have cell walls, while animal cells do not.
True
What is the role of ribosomes in a cell?
To synthesize proteins
Fill in the blank: The genetic material of a cell is contained within the __________.
nucleus
What structure is responsible for packaging and distributing proteins?
Golgi apparatus
Multiple choice: Which organelle is involved in energy production? A) Chloroplast B) Endoplasmic reticulum C) Lysosome
A) Chloroplast
What is the function of lysosomes?
To digest waste materials and cellular debris
True or False: Eukaryotic cells are generally larger and more complex than prokaryotic cells.
True
What is the role of the endoplasmic reticulum?
To synthesize proteins and lipids
Fill in the blank: Cells obtain energy through the process of __________.
cellular respiration
What is the primary function of the cell wall in plant cells?
To provide structural support and protection
Multiple choice: Which of the following is NOT a component of the cell theory? A) All cells arise from pre-existing cells B) All living things are made of cells C) Cells can spontaneously generate
C) Cells can spontaneously generate
What is the significance of stem cells?
They have the ability to differentiate into various cell types.
True or False: The cell cycle includes interphase and mitotic phase.
True
What is apoptosis?
Programmed cell death
Fill in the blank: The semi-permeable barrier that surrounds the cell is called the __________.
cell membrane
Multiple choice: Which cell organelle is involved in detoxifying harmful substances? A) Lysosome B) Smooth endoplasmic reticulum C) Golgi apparatus
B) Smooth endoplasmic reticulum