Bio p1: cell biology. Flashcards
What is the basic unit of life?
The cell.
True or False: Prokaryotic cells have a nucleus.
False.
Fill in the blank: The _______ is a structure that controls the movement of substances in and out of the cell.
cell membrane.
What organelle is responsible for energy production in eukaryotic cells?
Mitochondria.
Which type of cell contains ribosomes?
Both prokaryotic and eukaryotic cells.
What is the function of the cell wall in plant cells?
To provide structure and support.
Multiple Choice: What is the gel-like substance inside a cell called? A) Cytoplasm B) Nucleus C) Chloroplast
A) Cytoplasm.
What is the main function of the nucleus?
To store genetic material (DNA).
True or False: Chloroplasts are found in animal cells.
False.
What is the role of the ribosomes?
Protein synthesis.
Fill in the blank: The _______ is the site of photosynthesis in plant cells.
chloroplast.
What structure is selectively permeable?
Cell membrane.
Multiple Choice: Which of the following is not a function of the cell membrane? A) Protection B) Energy production C) Communication
B) Energy production.
What is the function of the endoplasmic reticulum?
Protein and lipid synthesis.
True or False: The Golgi apparatus modifies and packages proteins.
True.
What type of cell lacks membrane-bound organelles?
Prokaryotic cells.
Fill in the blank: The _______ helps in cell division in animal cells.
centrioles.
What is the function of lysosomes?
To digest waste materials and cellular debris.
Multiple Choice: Which part of the cell is involved in detoxification? A) Mitochondria B) Smooth ER C) Ribosomes
B) Smooth ER.
What is the primary component of the cell membrane?
Phospholipids.
True or False: All cells have a cell wall.
False.
What is the function of the cytoskeleton?
To provide structural support and shape to the cell.
Fill in the blank: Cells that have a defined nucleus are called _______ cells.
eukaryotic.
What is the role of vacuoles in plant cells?
To store substances and maintain turgor pressure.
