Let’s Review S7L2. Students will describe the structure and function of cells, tissues, organs, and organ systems. a. Explain that cells take in nutrients in order to grow and divide and to make needed materials. b. Relate cell structures (cell membrane, nucleus, cytoplasm, chloroplasts, mitochondria) to basic cell functions. c. Explain that cells are organized into tissues, tissues into organs, organs into systems, and systems into organisms.
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Let’s Review
S7L2. Students will describe the structure and function of cells, tissues, organs, and organ systems.
a. Explain that cells take in nutrients in order to grow and divide and to make needed materials.
b. Relate cell structures (cell membrane, nucleus, cytoplasm, chloroplasts, mitochondria) to basic cell functions.
c. Explain that cells are organized into tissues, tissues into organs, organs into systems, and systems into organisms.
EQ: How can I summarize what I have learned about cells?
Cells and Organelles
TRUE or FALSE?TRUE or FALSE?
All cells have a cell membrane and contain cytoplasm.
Eukaryotic, prokaryotic, plant, and animal cells ALL contain cytoplasm surrounded by a cell membrane (pg. 38).
TRUE or FALSE?TRUE or FALSE?
Prokaryotic cells have many membrane bound structures.
Eukaryotic cells have membrane bound structures.Prokaryotic cells do not (pg.39).
What is the structure that surrounds all cells, letting some substances in and out?
The Cell Membrane
The Cell Membrane allows very small
molecules, such as oxygen molecules, to
pass through it (pg. 38).
The jelly-like substance in a cell that holds all organelles in place is called:
Cytoplasm (pg. 38)
A.
B.
C.
D.
E.
Tough outer structure that gives some cells their box-like shape:
Cytoplasm
Chloroplasts
Cell Armor
Cell Membrane
Cell Wall
Cell Wall(pg. 39)
TRUE or FALSE?TRUE or FALSE?
The nucleus is the boss of the cell.
The Nucleus directs all cell activities and is usually the largest organelle in the cell (pg.40).
A.
B.
C.
D.
E.
Organelle which stores and releases energy for the cell to use:
Vesicles
Golgi Body
Cytoplasm
Nucleus
Mitochondria
Mitochondria(pg. 42).
What are the organelles called that produce proteins within the cell?
Ribosomes
Ribosomes are created in the nucleus and
produce proteins for the cell (pg. 42).
TRUE or FALSE?TRUE or FALSE?
Ribosomes are found in the Smooth Endoplasmic Reticulum.
Some ribosomes are found in the Rough Endoplasmic Reticulum, and some float freely in the cytoplasm of the cell (pg. 42).
The organelle responsible for the production of some hormones and lipids:
Smooth Endoplasmic Reticulum(pg. 43)
A.
B.
C.
D.
E.
Organelle that sorts substances and packages them into vesicles for transport:
Smooth ER
Vacuole
Mitochondria
Yupeaestacin
Golgi Body
Golgi Body (pg. 43).
Organization of Life
Match each term to the correct definition:
Organism
The Cell
Tissue
Organ
Organ System
• Several systems work together to perform life functions (pg. 45)
• Two or more tissues that work together (pg. 45)
• Smallest Unit of Life (pg. 38)
• A group of cells that work together to do one job (pg. 45)
• Group of organs that work together (pg. 45)
Cellular Transport
How the cell moves substances into and out of the cell.
A.
B.
C.
D.
E.
Cellular transport that requires no input of energy:
Funnels
Protein Transport
Membrane Transport
Active Transport
Passive Transport
Passive Transport (pg. 74)
When substances move from an area of high concentration to an area of low concentration, this is called:
Diffusion
Diffusion:When substances naturally move from
an area of high concentration to an area of low concentration across the
cell membrane (pg. 75).
TRUE or FALSE?TRUE or FALSE?
Osmosis is the diffusion of glucose (sugar).
Osmosis is the diffusion of water (pg. 76).
What is it called when there is no longer and area of high or low concentration on either side of the cell membrane?
Equilibrium
A.
B.
C.
D.
E.
When a substance is too large to move across the cell membrane, it must rely on transport proteins in a process called:
Helper Transport
Transport Diffusion
Active Diffusion
Helper Diffusion
Facilitated Diffusion
Facilitated Diffusion (pg. 77)
TRUE or FALSE?TRUE or FALSE?
Active transport requires energy.
Active transport requires energy because it involves moving substances from low to high concentrations.
When a cell uses the cell membrane to pull a substance into the cell:
Endocytosis (pg. 78)
When a cell releases substances outside of the cell using vesicles:
Exocytosis (pg. 78)
TRUE or FALSE?TRUE or FALSE?
All activities in an organism involve chemical reactions.
The total of all chemical reactions in an organism are called metabolism (pg. 81).
Organelles which produce glucose (food) in most plant cells.
Chloroplasts
Chloroplasts convert light energy into chemical energy through the process of photosynthesis
(pg. 82).
+ O + SUNLIGHT -----› + 6 Carbon dioxidemolecules
1 Water molecule
Light energy
1 Glucose/sugarmolecule
6 Oxygenmolecules
A.
B.
C.
D.
E.
The process in which animal cells break down food for energy is called:
Assisted Transaction
Active Transport
Cellular Production
Cellular Globalism
Cellular Respiration
Cellular Respiration (pg. 83).
EQ: How can I summarize what I have learned about cells?
By engaging in a discussion and writing down
important information.
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