science final exam biology Flashcards
to learn (26 cards)
What is a cell?
A cell is the basic structural and functional unit of all living organisms.
True or False: All cells are unicellular.
False
What are the two main types of cells?
Prokaryotic and Eukaryotic.
Which type of cell lacks a nucleus?
Prokaryotic cell.
Fill in the blank: Plant cells have a rigid __________ that animal cells do not.
cell wall.
What organelle is responsible for photosynthesis in plant cells?
Chloroplast.
Multiple Choice: Which of the following is NOT found in animal cells? A) Cell wall B) Mitochondria C) Nucleus D) Ribosomes
A) Cell wall
What is the primary function of the cell membrane?
To protect the cell and regulate what enters and exits.
True or False: Both plant and animal cells contain mitochondria.
True.
What structure do plant cells have that provides support and shape?
Cell wall.
Fill in the blank: Animal cells have __________, which are small, round organelles that digest waste.
lysosomes.
What is the main difference in energy production between plant and animal cells?
Plant cells produce energy through photosynthesis, while animal cells rely on cellular respiration.
Multiple Choice: Which of the following organelles is common in both plant and animal cells? A) Chloroplast B) Cell wall C) Mitochondria D) Vacuole
C) Mitochondria
What is the role of vacuoles in plant cells?
To store nutrients and waste products, and help maintain turgor pressure.
True or False: Plant cells generally have larger vacuoles than animal cells.
True.
What is the function of ribosomes in a cell?
To synthesize proteins.
Fill in the blank: The __________ is the control center of the cell.
nucleus.
What is one key difference in the shape of plant and animal cells?
Plant cells are generally rectangular, while animal cells are more irregular in shape.
Multiple Choice: Which organelle is involved in lipid synthesis? A) Ribosomes B) Smooth Endoplasmic Reticulum C) Golgi Apparatus D) Nucleus
B) Smooth Endoplasmic Reticulum
What is the difference in the number of lysosomes between plant and animal cells?
Animal cells typically have more lysosomes than plant cells.
True or False: Both plant and animal cells have a cytoplasm.
True.
What type of cell division occurs in both plant and animal cells?
Mitosis.
Fill in the blank: The __________ is the jelly-like substance within the cell.
cytosol.
What is a key function of the Golgi apparatus?
To modify, sort, and package proteins and lipids for secretion or use within the cell.
