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Botany > Test 1 > Flashcards

Test 1 Flashcards

1
Q

Agronomy

A

Study of crops

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2
Q

Build or create

A

Synthesis

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3
Q

Invokes reaction

A

Stimulus

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4
Q

Biomass

A

Living weight

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5
Q

Metabolic process that chloroplast containing organisms use to capture and store sun energy into the bonds of chemical compounds

A

Photosynthesis

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6
Q

Metabolic process that all living organisms use to release energy stored in the bonds of chemical compounds

A

Respiration

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7
Q

Respiration equation

A

C6H12O6+O2 -> CO2+H2O+energy

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8
Q

Photosynthesis equation

A

CO2+H2O -> C6H12O6+O2

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9
Q

Principle

A

Useful generalization derived from experimental theory

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10
Q

Theory

A

Grouping of related principles

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11
Q

Ethnobiology

A

Economic biology - examines practical uses of plants and plant products

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12
Q

Scientific method

A

Basis of knowledge -> question -> hypothesis -> experiment -> collect data -> analyze data

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13
Q

Matrix

A

Solid part

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14
Q

Attributes of living organisms

A
  1. Composition and structure, 2. Growth, 3. Reproduction, 4. Response to stimuli, 5. Metabolism, 6. Movement, 7. Adaption to environment
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15
Q

Composition and structure

A

Elements -> molecules -> structures -> cells -> tissue -> organs -> organ systems -> organism

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16
Q

Smallest living unit of life

A

Cell

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17
Q

Increase in volume, weight, and number of cells

A

Growth

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18
Q

Collective product of all biochemical reactions in an organism

A

Metabolism

19
Q

Energy RELEASE

A

Respiration

20
Q

Energy HARNESSING

A

Photosynthesis

21
Q

Digestion

A

Large insoluble food molecules converted to smaller soluble molecules

22
Q

Assimilation

A

Putting things together to make substances

23
Q

T/F: movement occurs at all levels of organization

A

True

24
Q

Matter

A

Occupies space, has mass, composed of elements

25
Q

Smallest stable subdivision of an element

A

Atom

26
Q

Atomic number

A

Total number of protons. Cannot change within an element.

27
Q

Same elements, different weight (varying # of nuetrons)

A

Isotope

28
Q

Atomic mass

A

Combined number of protons and neutrons

29
Q

Where are electrons 90% of the time?

A

Orbitals

30
Q

Molecule

A

Two or more atoms bound together

31
Q

Compound molecule

A

2 or more elements united in a definite ratio by chemical bonds

32
Q

What causes molecule collisions?

A

Temperatures or catalysts (enzymes)

33
Q

Cohesion

A

Attraction of SIMILAR molecules

34
Q

Adhesion

A

Attraction of DISSIMILAR molecules

35
Q

Covalent Bond

A

HIGHEST ENERGY bond. Most of sun’s energy is stored in this bond during photosynthesis.

36
Q

Ionic bond

A

Forms when electron in outermost orbital are transferred from one atom to another

37
Q

Formed when molecules lose or gain electrons

A

Ion

38
Q

Cation

A

Positive

39
Q

Anion

A

Negative

40
Q

Hydrogen bond

A

WEAKEST bond. Formed by reaction between positively charged hydrogen atoms and negatively charged atoms.

41
Q

Acids

A

Chemicals the release hydrogen when dissolved in water

42
Q

Bases (alkaline compounds)

A

Compounds that release negatively charged hydroxyl ions (OH-) when dissolved in water

43
Q

PH scale range

A

0-14. Water is 7 (neutral)

44
Q

PH

A

Represents measurement of H+ ion concentration

Botany (3 decks)

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