bio Flashcards
bio (26 cards)
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: The process by which cells obtain energy from glucose is called ______.
cellular respiration.
What are the two main types of cells?
Prokaryotic and eukaryotic cells.
Which organelle is known as the powerhouse of the cell?
Mitochondria.
What is the function of ribosomes?
Protein synthesis.
Multiple Choice: Which of the following is a characteristic of living organisms? A) Growth B) Inability to respond to stimuli C) Lack of metabolism
A) Growth.
What is the function of the cell membrane?
To control the movement of substances in and out of the cell.
True or False: Plant cells have a cell wall while animal cells do not.
True.
Fill in the blank: The genetic material in cells is composed of ______.
DNA.
What is the role of chloroplasts in plant cells?
Photosynthesis.
Multiple Choice: What structure regulates the entry and exit of substances in a cell? A) Nucleus B) Cell membrane C) Cytoplasm
B) Cell membrane.
What is the difference between prokaryotic and eukaryotic cells?
Prokaryotic cells lack a nucleus; eukaryotic cells have a nucleus.
True or False: All cells are capable of reproduction.
True.
Fill in the blank: The jelly-like substance inside the cell is called ______.
cytoplasm.
What is the primary function of the nucleus?
To store genetic information.
Multiple Choice: Which of the following is NOT found in a plant cell? A) Cell wall B) Chloroplast C) Centrioles
C) Centrioles.
What is the role of the endoplasmic reticulum?
To synthesize proteins and lipids.
True or False: The Golgi apparatus modifies, sorts, and packages proteins.
True.
Fill in the blank: The process by which a cell divides into two daughter cells is called ______.
mitosis.
What are the three main parts of the cell theory?
1) All living things are made of cells. 2) Cells are the basic unit of life. 3) All cells arise from pre-existing cells.
Multiple Choice: Which organelle is responsible for digestion within the cell? A) Lysosome B) Ribosome C) Nucleus
A) Lysosome.
What is the function of the vacuole in plant cells?
To store nutrients and waste products.
True or False: Animal cells typically have a larger vacuole than plant cells.
False.
