Combined Science 1º Period

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What are the 7 characteristics of living organisims?

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1

What are the 7 characteristics of living organisims?

Movement, respiration, sensitivity, growth, reproduction, excretion, nutrition.

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2

What is movement?

An organisim changing position or place.

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3

What is respiration?

Chemical reactions in cells taking nutrients and breaking them down to release energy.

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4

What is sensitivity?

Detecting and responding to changes in the environment.

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5

What is growth?

A permenent increase in size.

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6

What is reproduction?

Making more of the same kind of organism.

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7

What is excretion?

The removal of waste product.

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8

What is nutrition?

Taking in materials for energy and growth.

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9

Animal Cell Diagram

knowt flashcard image
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10

Nucleus

contains genetic information (DNA), is responsible for reproduction

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11

Mitochondria

where the cell creates energy

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12

Cytoplasm

a jelly-like substance where all the cell reactions take place

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13

Cell Membrane

controls what goes in and out of the cell, e.g oxygen, glucose and waste

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14

Ribosomes

creates protein for the cell in order to create new structures.

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15

Plant Cell Diagram

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16

Chloroplasts

for photosynthesis

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17

Cell Wall

helps the cell keep its rigid state

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18

Vacuoles

used as storage

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19

Bacteria Cell Diagram

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20

Circular DNA

a closed-loop structure of DNA that contains genetic information and can replicate independently.

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21

DNA Plasmids

small, circular pieces of DNA in bacteria that carry extra genes, often giving advantages like antibiotic resistance.

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22

How to calculate magnifictation

image size/actual size

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23

Postively Charged Ions

cations

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24

Negatively Charged Ions

anions

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