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Biology > Basics > Flashcards

Basics Flashcards

0
Q

Metabolism

A

All chemical reactions necessary for life

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1
Q

Characteristics of organisms

A

1) metabolism
2) regulated growth
3) reproduction

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2
Q

Prokaryote characteristics

A
  • DNA floats inside cell

- Archaea & bacteria

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3
Q

Eukaryote characteristics

A
  • DNA encased in nucleus

- organelles present: mitochondria or chloroplasts

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4
Q

RNA world hypothesis

A

RNA stored info. & catalyzed reactions during evolution

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5
Q

Organelles

A

Functional components present in cell; started as bacteria captured by evolving eukaryotic cells

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6
Q

Molecules

A

Chemical structure consisting of 2 or more atoms

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7
Q

Tissues

A

Groups of cells that work together for a specialized function

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8
Q

Organ

A

Body part with specific function

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9
Q

Organ system

A

Team of organs cooperating for a larger function

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10
Q

Organisms & Environment

A
  • interact w/ each other
  • both affected by these interactions
  • interactions=cycling of nutrients
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11
Q

Nucleotides

A

Adenosine
guanine
Cytosine
Thymine/Uracil

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12
Q

Gene Expression

A

DNA nucleotide sequence is transcribed into RNA which is then transformed into a specific protein

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13
Q

Genome

A

Entire library of genetic instructions in an organism

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14
Q

Genomics

A

Study of whole sets of a species’ genes & comparing genomes between species

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15
Q

Feedback

A

Regulates biological systems at all levels

16
Q

Negative Feedback

A

Accumulation of an end product of a process slows the process

17
Q

Positive Feedback

A

End product speeds up its own production (ex: blood clotting)

18
Q

Inductive Reasoning

A

Reasoning from a set of specific observations to reach a general conclusion.

19
Q

Deductive Reasoning

A

Reasoning from general observations to a specific conclusion ( if x then y)

Biology (3 decks)

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