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Cp Biology > Chaptet 7/10 Test > Flashcards

Chaptet 7/10 Test Flashcards

0
Q

Anton van leewenhoek

A

One of the first people to use the microscope to study nature

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1
Q

Cell

A

Structure that makes of every living thing

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2
Q

Cell theory

A

All living things are composed of cells, basic unit of structure and function in living things, no cells are produced from existing cells

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3
Q

Cell membrane

A

Flexible layer around to sell

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4
Q

Cell wall

A

Supports and protects the cell

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5
Q

Nucleus

A

Contains cells genetic material and controls activities

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6
Q

Cytoplasm

A

Material inside the membrane not the nucleus

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7
Q

Prokaryotes

A

Don’t have a nuclei

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8
Q

Eukaryotes

A

Have nuclei

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9
Q

Organelle

A

Preform cellular functions

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10
Q

What organisms have cell walls

A

Plants, algae, fungi and all prokaryotes

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11
Q

DNA

A

Important molecules contained in the nucleus

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12
Q

Chromosomes

A

Distinct threadlike structures containing genetic information

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13
Q

Nucleolus

A

Assembly of ribosomes , The small dense region nucleus contains

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14
Q

Nuclear envelope

A

Helps the cell maintain its shape, cell movement

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15
Q

smooth ER

A

No ribosomes on surface

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16
Q

Rough ER

A

Involved in synthesis

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17
Q

Lysosomes

A

Breakdown old organelles, digestive enzymes

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18
Q

Lipid bilayer

A

The corner of nearly all cell membranes is a double layered sheet

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19
Q

What is the function of proteins attached the to the cell membrane

A

Summer used as channels and pumps and help move material

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20
Q

What is the function of the carbohydrate attached to the cell membrane

A

Form chains and identify other cells

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21
Q

Osmosis

A

Allows water to pass easily through most membranes

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22
Q

Two solutions are isotonic

A

The solutions are the same strength

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23
Q

A solution is hypertonic

A

The solution is above strength and salute

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24
A solution is hypotonic
Solution is below strength in solute
25
Function of the contractile vacuole
Comes access water out of the cell
26
Facilitated diffusion
Glucose that can't pass the lipid bilayer moves across the protein channel
27
Endocytosis
Large amounts of material are transported through movement of the cell membrane
28
Phagocytosis
Large particles are taken in the cell by endocytosis
29
Exocytosis
Removal of large amounts of material
30
Levels of organization
Cells, tissues, organs, organ system
31
Why do the cells divide
The more it grows the more demands are placed on DNA and material has a hard time moving across the membrane
32
Cell division
The process of a cell divides into two new daughter cells, complete genetic information
33
When chromosomes become visible at the beginning of cell division what does each chromosome consists of
Centromere and sister chromatids
34
Centromere
Where the chromatids are attached the center of the chromatids
35
Interphase
In between period of growth
36
Cell cycle
The series of events the sale goes through to divide, mitosis and interphase
37
Interface is divided into what three phases
G1 s G2
38
What happens during the G1 phase
The. Were cells do most of their growing
39
What happened during the S-phase
Chromosomes replicate and synthesis takes place
40
What happens during the G2 phase
Organelles and molecules needed it for the division are produced
41
What are the four phases of mitosis
Prophase, metaphase, anaphase, telophase
42
Centrioles
The tiny structures located in the cytoplasm near the nuclear envelope
43
Spindle
Fanlike microtubule that helped to separate the structure
44
Cytokinesis
The division of the cytoplasm
45
Cyclins
They regulate the timing of the cell cycle in eukaryote cells
46
Internal regulators
Proteins that respond to events inside the cell
47
Cancer
Uncontrolled cell growth
48
When are chromosomes visible
Cell division
49
Prophase
The chromosomes become visible, the centrioles take a position on opposite sides of the nuclear us
50
Metaphase
The chromosomes line up across the center of the cell
51
Anaphase
The chromosomes move until they form two groups near the poles of the spindle
52
Telophase
The nuclear envelope reforms around each cluster of chromosomes, the new keyless becomes visible in each daughter nuclear us
53
Happens to the south the edge of an injury
The cell begins to divide fast to fill the space
54
What is the function of the nuclear us
Charles most cell processes contains hereditary information in DNA
55
What is found in the nuclear us
Nucleosis chromatin and DNA
56
Ribosome
And internal membrane system in which components of the cell membrane and some proteins are constructed also acts as a transport system
57
Lysosome
Filled with enzymes used to break down food and organelles that have outlived their usefulness
58
Vacuole
Saclike structure that stores materials
59
Chloroplast
Uses energy from the sunlight to make energy rich foods, only implants
60
Mitochondrial on
Use energy from food to make high-energy compounds, inner and outer membrane
61
When will the water stop moving across a membrane
Never, it gets close when it reaches the equilibrium

Cp Biology (19 decks)

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