LA CELLULA 2 Flashcards
(27 cards)
What is the basic unit of life?
The cell.
True or False: All living organisms are made up of cells.
True.
What structure surrounds the cell and regulates what enters and leaves?
The cell membrane.
Fill in the blank: The jelly-like substance inside the cell is called _____.
cytoplasm.
What organelle is known as the powerhouse of the cell?
Mitochondria.
What is the function of ribosomes?
They synthesize proteins.
What type of cell lacks a nucleus?
Prokaryotic cell.
Multiple Choice: Which of the following is NOT a part of a cell? A) Nucleus B) Cell Wall C) Chloroplast D) Ribosome E) Atom
E) Atom.
What is the function of the cell wall in plant cells?
It provides structure and protection.
True or False: Animal cells have cell walls.
False.
What is the role of the endoplasmic reticulum?
It is involved in protein and lipid synthesis.
Fill in the blank: The _____ contains the genetic material of the cell.
nucleus.
What are lysosomes often referred to as?
The digestive system of the cell.
Multiple Choice: Which organelle is responsible for photosynthesis? A) Mitochondria B) Chloroplast C) Golgi Apparatus D) Ribosome
B) Chloroplast.
What is the function of the Golgi apparatus?
It modifies, sorts, and packages proteins.
True or False: Cells can only reproduce through mitosis.
False.
What is the process by which cells divide called?
Cell division.
Fill in the blank: The _____ is the semi-permeable membrane surrounding the cell.
cell membrane.
What is the primary component of the cell membrane?
Phospholipids.
What are the two main types of cells?
Prokaryotic and eukaryotic cells.
Multiple Choice: Which of the following is a characteristic of eukaryotic cells? A) No nucleus B) Complex structure C) Smaller size D) No organelles
B) Complex structure.
What is the function of the cytoskeleton?
It provides structural support and shape to the cell.
True or False: All cells have DNA.
True.
What type of transport requires energy to move substances across the cell membrane?
Active transport.