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7th U 3-1 Science
Cell Structures and Organelles
Question | Answer |
---|---|
This structure surrounds the cell. | Cell Membrane |
A gel-like liquid inside the cell. | Cytoplasm |
An organelle that releases energy from food molecules for the cell to use. | Mitochondria |
Give plants their green color, and produce sugar. | Chloroplasts |
A long molecule that is the genetic material for a cell. | DNA |
A type of organelle that make proteins. | Ribosomes |
A protective, flexible barrier that controls which materials enter and leave the cell. | Cell Membrane |
Helps maintain cell shape. | Cytoplasm |
Releases energy for cell use. | Mitochondria |
__ found in plant cells only. | Chloroplasts |
Short for deoxyribonucleic acid. | DNA |
An organelle that does not have a membrane. These organelle make proteins. | Ribosome |
This organelle provides usable energy to the cell. | Mitochondria |
A school’s cafeteria kitchen has a large, walk-in refrigerator where food is stored for lunch later in the week. Which cell organelle has a function that is similar to the refrigerator? | Vacuole |
In what part of a cell is hereditary information found? | Nucleus |
Found in plant cells, bacteria, and archaea but not in animal cells. | Cell Wall |
Cells remove waste from their cytoplasm by passing it through the ___ and out of the cell. | Cell Membrane |
Cells remove waste from their ___by passing it through the cell membrane and out of the cell. | Cytoplasm |
Cellular Respiration is the process, essential to the life of all organisms, that is the primary function of ___? | Mitochondria |
The function of the __ is to use energy from the sun to make sugar. | Chloroplasts |
Which of the following contains genetic material responsible for heredity and cellular control? | Nucleus |
Which organelle is the site for protein synthesis? | Ribosome |
Only plant cells have a cell wall, chloroplasts, and a large __. | Vacuole |
In what part of a cell is hereditary information found? | Nucleus |
The function of the ___ is to control substances that enter and exit the cell | Cell Membrane |
The function of the ___ is to provide support for the cell. | Cell Wall |
___ is a gel-like substance, found in both plant and animal cells. | Cytoplasm |
How are chloroplasts in plant cells and mitochondrion in animal cells similar? | Both are energy factories |
Students observed cells under the microscope. They observed that the cells had a cell wall, cell membrane, nucleus, and many chloroplasts. Which observation helps students identify the type of cell observed? | The presence of chloroplasts means that the cells are from a plant. |
The fluid surrounding the organelles of a cell is the — | Cytoplasm |
The function of the ___ is to regulate substances that enter and exit the cell | Cell Membrane |
In eukaryotes, where is the genetic material for the cell located? | Nucleus |
The primary function of a __ is to convert radiant energy into chemical energy through photosynthesis. | Chloroplast |
The purpose of the cell wall is to — | provide structure for a cell |
Through which cell structure does waste exit the cell? | Cell Membrane |
What process, essential to plant life, is the primary function of chloroplasts? | Photosynthesis |
What process, essential to the life of all organisms, is the primary function of mitochondria? | Cellular Respiration |
What structure is characterized by a lipid bi-layer? | Cell membranes |
What types of organisms have cells with very large vacuoles? | Plants |
When comparing a plant cell to an animal cell, which structure is only found in a plant cell? | Cell Wall |
Where is chlorophyll usually found? | Plant leaves |
Which cell organelle stores DNA? | Nucleus |
Which cell structure is composed primarily of cellulose? | Cell Wall |
Which cell structure is not found in animal cells? | Cell Wall |
What are microscopic hairs used for locomotion by some unicellular organisms? | Cilia |
Which of the following cell structures includes all of the others? | Nucleus |
Which organelle is a fluid-filled structure designed for storage? | Vaculoe |
Which organelle is the site for cellular respiration? | Mitochondria |
Which phrase best describes the function of mitochondria? | Converts energy for cell use |
Which plant cell structure provides support for the entire plant? | Cell Wall |
Which statement best explains why plant cells contain chloroplasts? | Plants are autographs. |
What cell structure is present in plant cells, but not in animal cells? | Cell Wall |
Animal cells give off CO2 (carbon dioxide) as a waste product during respiration. What is the function of respiration? | To release energy |
Within a cell, life functions are carried out by which organism structures? | Organelles |