Cells And Movement Flashcards
What is the basic unit of life?
The cell.
True or False: All living organisms are made up of cells.
True.
Fill in the blank: Cells can be classified as ____ or ____.
prokaryotic or eukaryotic.
What type of cell lacks a nucleus?
Prokaryotic cell.
What is the function of the cell membrane?
To control what enters and exits the cell.
Which organelle is known as the powerhouse of the cell?
Mitochondria.
True or False: Plant cells have chloroplasts.
True.
What is the gel-like substance inside the cell called?
Cytoplasm.
Which part of the cell contains genetic material?
Nucleus.
Multiple Choice: Which organelle is responsible for protein synthesis? A) Ribosome B) Lysosome C) Golgi apparatus
A) Ribosome.
What structure provides support and shape to plant cells?
Cell wall.
Fill in the blank: The process by which cells move substances across their membranes is called _____.
transport.
True or False: Diffusion requires energy.
False.
What is osmosis?
The diffusion of water across a semipermeable membrane.
Multiple Choice: Which type of transport requires energy? A) Passive transport B) Active transport
B) Active transport.
What do we call the movement of molecules from an area of high concentration to an area of low concentration?
Diffusion.
Fill in the blank: Cells communicate with each other through _____.
chemical signals.
True or False: The nucleus is found in all types of cells.
False.
What is the role of the Golgi apparatus?
To modify, sort, and package proteins.
What process do cells use to take in large particles?
Endocytosis.
Fill in the blank: The semi-permeable structure surrounding the cell is called the _____.
cell membrane.
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: Lysosomes are involved in digestion within the cell.
True.
What is the function of ribosomes?
To synthesize proteins.
Multiple Choice: Which cell organelle is responsible for detoxifying harmful substances? A) Ribosome B) Smooth Endoplasmic Reticulum C) Golgi Apparatus
B) Smooth Endoplasmic Reticulum.
What is the primary function of the cell wall?
To provide structure and protection to the cell.
Fill in the blank: The network of protein filaments that helps the cell maintain its shape is called the _____.
cytoskeleton.
True or False: All cells have a cell wall.
False.
What is the role of chloroplasts in plant cells?
To conduct photosynthesis.
Multiple Choice: What is the primary component of the cell membrane? A) Protein B) Lipid C) Carbohydrate
B) Lipid.
What is the process by which cells release energy from glucose?
Cellular respiration.
Fill in the blank: The liquid portion of the cytoplasm is called _____.
cytosol.
True or False: All cells reproduce through mitosis.
False.
What is the difference between mitosis and meiosis?
Mitosis is for growth and repair, meiosis is for producing gametes.
Multiple Choice: Which phase of mitosis involves the separation of sister chromatids? A) Prophase B) Anaphase C) Telophase
B) Anaphase.
What is the name of the process by which a cell divides into two daughter cells?
Cytokinesis.
Fill in the blank: The genetic information is stored in the form of _____ in the nucleus.
DNA.
True or False: The endoplasmic reticulum is involved in lipid and protein synthesis.
True.
What are the two types of endoplasmic reticulum?
Rough and smooth endoplasmic reticulum.
Multiple Choice: Which type of cell is typically larger? A) Prokaryotic B) Eukaryotic
B) Eukaryotic.
What is the main function of vacuoles in plant cells?
To store nutrients and waste products.
Fill in the blank: Cells with a defined nucleus are called _____.
eukaryotic cells.
True or False: The cell membrane is impermeable to all substances.
False.
What is the role of the cytoskeleton?
To provide structure and shape to the cell and assist in movement.
Multiple Choice: Which structure is responsible for modifying and packaging proteins? A) Ribosome B) Golgi apparatus C) Mitochondria
B) Golgi apparatus.
What is the primary role of mitochondria?
To produce energy in the form of ATP.
Fill in the blank: The function of centrioles is to assist in _____ during cell division.
cell division.
True or False: All cells have mitochondria.
False.
What is the primary role of the rough endoplasmic reticulum?
To synthesize proteins.
Multiple Choice: Which organelle is known as the ‘suicide bag’ of the cell? A) Lysosome B) Peroxisome C) Ribosome
A) Lysosome.
What is the name of the process where cells become specialized for a specific function?
Cell differentiation.
Fill in the blank: The fluid mosaic model describes the structure of the _____.
cell membrane.
True or False: Eukaryotic cells are always multicellular.
False.
What is the process by which cells expel waste materials?
Exocytosis.
Multiple Choice: Which of the following is NOT a function of the cell membrane? A) Protecting the cell B) Controlling entry and exit of substances C) Producing energy
C) Producing energy.
What is the main component of the plant cell wall?
Cellulose.
Fill in the blank: The process of converting light energy into chemical energy is called _____.
photosynthesis.
True or False: The nucleus regulates the activities of the cell.
True.
What structure is responsible for the movement of substances in and out of the cell?
Cell membrane.
Multiple Choice: Which cell organelle is involved in detoxifying harmful substances? A) Ribosome B) Smooth Endoplasmic Reticulum C) Nucleus
B) Smooth Endoplasmic Reticulum.
What is the role of the cell’s cytoplasm?
To hold organelles and facilitate cellular processes.
Fill in the blank: The genetic material of prokaryotic cells is found in the _____.
nucleoid.
True or False: All cells have a nucleus.
False.
What is the process by which cells take in liquid from the environment?
Pinocytosis.
Multiple Choice: Which organelle is responsible for photosynthesis? A) Mitochondria B) Chloroplast C) Ribosome
B) Chloroplast.
What is the function of peroxisomes?
To break down fatty acids and detoxify harmful substances.
Fill in the blank: Cells are the building blocks of _____.
life.
True or False: Plant cells can perform photosynthesis.
True.
What is the main purpose of cellular respiration?
To convert glucose into ATP.
Multiple Choice: Which of the following is NOT a type of cell? A) Neuron B) Muscle cell C) Water
C) Water.
What is the role of the cell membrane in homeostasis?
To regulate the internal environment of the cell.
Fill in the blank: The _____ is the control center of the cell.
nucleus.
