Chapter 6: A Tour Of The Cell
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Test of chapter 6
- 1.Cell theory tell us that : Mark all correct answers.
- A.
All living things are made of cells
- B.
Cells are the basic unit of structure and function
- C.
All cells come form pre-existing cells
- D.
Cell are only part of animals
- E.
Cell are only part of plants
- 2.Micrograph is ..
- A.
King of microscope
- B.
Photograph of the view through a microscope
- C.
Each part of a cell with a specific job to do
- D.
Is a graph of cell
- 3.Plasma membrane is a .....- mark all correct answers
- A.
Thin outer covering of a cell
- B.
Defines the boundary of the cell
- C.
Regulates the movement of chemicals into and out of the cell
- D.
Found in plant and animal cells
- E.
Holds organelles
- 4.Nucleus is found in plant and animal cells and stores .......
- A.
Genetic material DNA
- B.
Holds organelles
- C.
Protects cell
- D.
Maintains cell shape
- 5.Cytoplasm holds organelles and is found in plant and animal cells and it is :
- A.
A storage of genetic material
- B.
Entire region between nucleus and plasma membrane
- C.
Just region with chloroplasts
- 6.Prokaryotic cells :
- A.
Cells with nucleus and other ogranelles
- B.
Cells in plants and animals
- C.
Cells with lack of nuclei and most other organelles and are in bacteria and archarea
- 7.Eukaryotic cells are cells
- A.
With no nucleous or other organelles
- B.
of bacteria and archaea
- C.
Has nucleus and other organelles like protists, fungi, plants and animals
- 8.Phospholipid bilayer is a
- A.
Structure of phospore
- B.
Membranes that are formed by a 2 layer sandwich of phospholipids
- C.
Is a layer of chloropile
- 9.Functions of membrane proteins are : mark all correct answers !
- A.
Carry out chemical reactions
- B.
Help cells"communicate" and "recognize" each other
- C.
Transport materials across the membrane
- 10.Diffusion is a movement of particles from where they are more concentrated to where they are less concentrated
- A.
True
- B.
Fals
- 11.Equlibrium is :
- A.
Movement of particles
- B.
A grup of cell membrans
- C.
When the concentration of a particle is the same on both sides of a membrane
- D.
When the concentration of a particle is different on the sides of a membrane
- 12.Passive transport
- A.
Is a transport across plasma of the cell
- B.
Diffusion across a membrane,no energy used by the cell
- C.
Movement of some substances
- 13.Facilitated diffusion is
- A.
Movement with energy
- B.
Movement of some sucbstances across a membrane with help from transport proteins, no energy required and with sugar
- C.
Selectively ermeable transport
- 14.The passive transport of water across a selectively permeable membrane is call ________
- 15.When one solution has a higher concentration of solute than another solution then we call that _________________
- 16.The solution with the lower concentration of solute is call __________________
- 17.Solutions in which the concentration of solute is equal is call ___________
- 18.Active Transport is when
- A.
A cell uses energy to move molecules or ions across a membrane
- B.
A cel not use any energy to move molecules or ions across membrane
- 19.Small membrane sacs that move particles into, out of , and within a cell are call _________
- 20.Exocytosis is when
- A.
Vesicle move large particles out of the cell
- B.
Vesicle move large particles into the cell
- 21.Endocytosis is when
- A.
Vesicles move large particles into the cell
- B.
Vesicle s move large particles out of the cell
- 22.A pair of membranes that surrounds the nucleus is call __________ _________
- 23._______________ uses instructions from DNA to build proteins, some are found on endoplasmic reticulum , some float in the cytoplasm.
- 24.This organell of cell modifies, stores, and routes proteins and other cemical porducts to their next destination ___________ ___________
- 25.This organellle contain digestive enzymes and digest nutrients and destroy harmful bacteria _________
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