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Biology 1306 > Lecture 2 > Flashcards

Lecture 2 Flashcards

Pages 3 and 4; August 21

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AP® Biology flashcards Biology 101 flashcards
1
Q

DNA

A

Deoxyribonucleic Acid

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2
Q

(DNA) Molecule of Inheritance

A

Genes

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3
Q

DNA does what ?

A

Self replicates

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4
Q

What shape is DNA

A

Double Helix

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5
Q

4 “Letters” for bonding

A

Adenine, Thymine, Cytosine, Guanine

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6
Q

Which DNA letters pair with each other

A

A with T ; C with G

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7
Q

DNA ____ in new enviorments

A

Persists

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8
Q

Chromosomes

A

Highly packaged DNA molecule

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9
Q

Negative Feedback plus example

A

Increases something, something decreases to maintain balance ( sweating)

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10
Q

Positive Feedback plus example

A

End product speeds up its own production ( oxytocin increases during child labor contractions)

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11
Q

______ # of species

A

1.8M

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12
Q

Where can you find new species?

A

Poles, rain forest, ocean, bacteria

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13
Q

3 Domains of Life

A

Domain Bacteria ; Domain Archaea ; Domain Eukarya

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14
Q

Domain Bacteria example

A

Bacteria, E.Coli , salmonella

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15
Q

Domain Archaea example

A

Ancient bacteria ; extreme enviorments ( salty, hot )

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16
Q

Domain Eukarya

A

Humans, plants, protists, fungi

17
Q

Protists

A

Algae or protozin

18
Q

Charles Darwin =

A

NATURAL SELECTION

19
Q

Book C.D. made

A

” On the origin of species…”

20
Q

Charles Darwin said this phrase about animals changing over time and improving

A

Descent with modification

21
Q

Science is a _____

A

Process

22
Q

Scientific Method Steps

A

Observe, Critical Question, Hypothesis, experiment, Results and Data + Analyze,

23
Q

Theory

A

Hypothesis is proven true numerous times

24
Q

Why is psudosciene + Junk sciene BS?

A

Nothing but observational, NO EXPERIMENT, no scietific method

25
Q

Psudosciene

A

UFO’s , aliens, ghosts, bigfoot, etc

26
Q

Junk Science

A

Health marketing, pills, supps, etc

27
Q

How to filter bad science ?

A

Consider the source

28
Q

Basic vs Applied research

A

Sake of gaining knowledge vs solving a problem

Biology 1306 (19 decks)

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