Bio 101 Flashcards
What is the basic unit of life?
The cell.
True or False: Prokaryotic cells have a nucleus.
False.
Fill in the blank: The jelly-like substance inside a cell is called _____.
cytoplasm.
Which organelle is responsible for energy production in eukaryotic cells?
Mitochondria.
What structure regulates the entry and exit of substances in a cell?
Cell membrane.
Multiple Choice: Which of the following is NOT a part of the cell theory? A) All living things are made of cells B) Cells arise from pre-existing cells C) Cells can be created from non-living matter D) Cells are the basic unit of life
C) Cells can be created from non-living matter.
What is the function of ribosomes?
Protein synthesis.
True or False: Plant cells have cell walls.
True.
Fill in the blank: The control center of the cell is the _____.
nucleus.
What is the role of the endoplasmic reticulum?
Protein and lipid synthesis.
Multiple Choice: Which type of cell division results in two identical daughter cells? A) Meiosis B) Mitosis C) Binary fission D) Budding
B) Mitosis.
What are lysosomes often referred to as?
The cell’s waste disposal system.
True or False: Chloroplasts are found in animal cells.
False.
Fill in the blank: The semi-permeable membrane surrounding a cell is known as the _____.
plasma membrane.
What is the primary function of the Golgi apparatus?
Modification and packaging of proteins.
Multiple Choice: Which organelle is known as the ‘powerhouse of the cell’? A) Nucleus B) Ribosome C) Mitochondria D) Golgi apparatus
C) Mitochondria.
What is the main component of the cell membrane?
Phospholipids.
True or False: All cells have a cell wall.
False.
Fill in the blank: The process by which cells take in materials is called _____.
endocytosis.
What type of cells undergo meiosis?
Germ cells.
Multiple Choice: In which phase of the cell cycle does DNA replication occur? A) G1 phase B) S phase C) G2 phase D) M phase
B) S phase.
What is the function of the cytoskeleton?
Provides structural support and shape to the cell.
True or False: The nucleolus is involved in ribosome production.
True.
Fill in the blank: The process by which a cell divides its nucleus is called _____.
mitosis.
What is the role of the centrosome in cell division?
Organizes microtubules and helps in the formation of the spindle fibers.
Multiple Choice: Which of the following structures is involved in the synthesis of ATP? A) Ribosome B) Mitochondria C) Nucleus D) Endoplasmic reticulum
B) Mitochondria.
What are the two main types of cells?
Prokaryotic and eukaryotic.
