characteristics of life Flashcards

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1
Q

what are characteristics of life?

A

composed of cells, excrete waste, reproduces, has energy, grow and have a lifetime, and respond to stimuli 

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2
Q

What is the cell theory?

A
  • all organisms are composed of one or more cells
    -All cells come from pre-existing cells
  • The cell is the basic unit of life
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3
Q

what are the kingdoms of life?

A

Archaea eubacteria (prokaryotes)
Prostista fungi plantae animelia (eukaryotes)

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4
Q

What is an organelle?

A

A specialized structure within a cell

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5
Q

What is a cell?

A

The basic structural and functional unit of living organisms

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6
Q

What is tissue?

A

Group of similar cells combine to perform a common function 

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7
Q

What is an organ and organ system?

A

an organ is a combination of two or more different tissues perform a common function, and the system is a group of related organisms working together

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8
Q

What is the population?

A

A group of organisms of the same species, occupying a certain area and sharing a common gene pool

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9
Q

What is a community?

A

an as-semblance of species interacting with one another within the same environment

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10
Q

what is an ecosystem?

A

Biological community together with the associated abiotic environmental; characterized by a flow of energy and a cycling of inorganic nutrients 

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11
Q

What is a biosphere?

A

A zone of air, land, and water, at the surface of the Earth, in which living organisms are found

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12
Q

what is the photosynthesis equation?

A

6CO2 + 6H2O —> 6O2 + C6H12O6
carbon dioxide + water —> oxygen+ glucose

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13
Q

where does photosynthesis occur in a eukaryote? 

A

found in chloroplasts

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14
Q

where does photosynthesis occur in a prokaryote?

A

found in the cytoplasm 

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15
Q

What is cellular respiration?

A

metabolism of food molecules in cells that generate ATP (adenosine triphosphate)

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16
Q

What is protein synthesis?

A

producing proteins from amino acids at ribosomes

17
Q

What does yeast produce through fermentation?

A

ethyl, alcohol, using sugar ( anaerobic respiration)

18
Q

what do animal cells produce when working anaerobically?

A

they produce lactic acid 

19
Q

what is an obligate aerobe?

A

Obligated to be aerobic (needs oxygen, eukaryotes)

20
Q

what is an obligate anaerobe?

A

Obligated to be anaerobe (does not need oxygen, prokaryotes)

21
Q

what is a faculative aerobe?

A

Normally function aerobically but can conduct anaerobic respiration in the absence of oxygen (ex. yeast/unicellular fungi, eucaryotic)

22
Q

what is the equation for adenosine triphosphate?

A

exact same as photosynthesis but backwards the product also has 38 ATP

23
Q

Where is the energy stored in an ATP bond?

A

The covalent bonds holding the outer two phosphate units contain a large amount of energy, enzymes break the bonds and energy is available to the cell