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Summer Bio Final - All Notes > Chapter 1 > Flashcards

Chapter 1 Flashcards

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Biology 101 flashcards
1
Q

All Cells have these 4 things,

A

DNA, Ribsomes, Plasma membrane, Cytoplasm

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2
Q

Which is larger, DNA or carbon,

A

DNA

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3
Q

Which is more complex, eukariotic or prokariotic,

A

Eurkariotic

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4
Q

what are the 4 nitrogenous bases,

A

Adenie, Thymine, Guanine, Cyosine

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5
Q

Do humans share genetic code,

A

no

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6
Q

What are teh four kingdoms in domain eukarya,

A

protista, plante, fungi, animalia

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7
Q

Explain the cycle of nutrience,

A

Sun gives producers (plants) energy, plants give consumers (animals energy), Consumers give decomposers energy when they die, and decomposers give plants energy

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8
Q

What is teh general structure of DNA,

A

Composed of nucleotide which are made of 3 parts; Nitrgeneous base, sugar, and phosphate group

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9
Q

What does DNA do,

A

Make celluar products that direct delvelopment and growth of the organism, Reproduce itself without error, pass hereditary information(genes) from parent ot offspring, be modified over a long period of time to allow evolution

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10
Q

What are the 3 domains of life and what kingdom are they in,

A

Bacteria (Prokariotic), Archaria (Prokariotic), Eukarya (Eukariotic)

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11
Q

What is a major feature of the Protista kingdom,

A

unicellular

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12
Q

What is a Scientific Theory,

A

A hypothesis supported by a large & growing body of evidence and is accepted to be fact

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13
Q

What is the smallest unit of matter,

A

atom

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14
Q

All individuals of a given species living in an area at a defined time are a ______,

A

population

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15
Q

The process by which the sun’s energy is trapped by plants as the source of energy,

A

Photosynthesis

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16
Q

Do human cells have a cell membrane?,

A

yes

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17
Q

Does Bacteria have DNA,

A

yes

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18
Q

What structure controls what enters and leaves the cell,

A

membrane

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19
Q

What structure contains the “instructions” on how the cell functions,

A

DNA

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20
Q

What kind of cell doesn’t have DNA in the nucleus and is typically very small,

A

Prokaryotic

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21
Q

What kind of cell has DNA in the nucleus and an enclosed membrane,

A

Eukaryotic

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22
Q

What are 2 things the Prokaryotic and Eukaryotic cells have in common,

A

Cell membrane and DNA

23
Q

What 4 things contribute to DNA being the blueprint for life,

A
  • All cells have DNA
  • DNA can be replicated and passed on
  • DNA can be modified over time, allowing adaptation
  • DNA translates into physical traits
24
Q

In DNA the _______ face towards the inside of the twisted ladder,

A

nitrogenous pairs

25
Q

Cytosine pairs with _____,

A

Guanine

26
Q

Adenine Pairs with ___,

A

Thymine

27
Q

The organisms within domain Eukarya have ______ cells,

A

eukaryotic

28
Q

order of classification from most general to most specific, (8)

A

Domain-Kingdom-Phylum-Class-Order-Family-Genus-Species

29
Q

A group of college students order a pizza with mushrooms, ham, and pineapple. The mushrooms belong to the kingdom ________,

A

fungi

30
Q

The organisms found within domain Bacteria have _______ cells,

A

prokaryotic

31
Q

Which of the kingdoms contains primarily multicellular, larger-celled, photosynthetic organisms?,

A

Plante

32
Q

Some members of a species have a genetic change that causes them to be better suited to their environment. These members survive to reproduce and pass these genetic changes to their offspring. This is,

A

Adaptation, natural selection, the driving force for evolution

33
Q

T/F Unequal reproductive success leads to evolution of adaptations in populations,

A

TRUE

34
Q

T/F The members of a population that are best suited for their environment will live long enough to pass on their genes (traits) to their offspring,

A

TRUE

35
Q

In an experiment, the outcomes that will be recorded (data) or the variable that changes because of the experiment is the,

A

dependent variable

36
Q

A proposed explanation for a set of observations is a(n),

A

hypothesis

37
Q

A scientist is performing an experiment on a group of four mice to test a new artificial sweetener. Each mouse is given a different amount of sweetener. Which mouse is considered to be the control,

A

The mouse given no sweetener

38
Q

What kingdom(s) contain multicellular organism that ingest their food,

A

Animalia

39
Q

List the classification levels of an organism going from largest groups to the smallest,

A

Kingdom, phylum, class, order, family, genus, species.

40
Q

All living things can be arranged into ‘levels with increasing organizational complexity. Biologist refer to this as:,

A

Hierarchial Organization of life

41
Q

Living organisms are characterized by what 3 characteristics,

A

adaping to the environment, evolving, and displaying homeostatic mechanisms

42
Q

Are bacteria in domain Eukarya or Prokarya,

A

Prokarya

43
Q

what domain contanins common advanced plants, animals, and fungi,

A

Eukarya

44
Q

Is an hypothesis always true,

A

no

45
Q

Charles Darwin determined the mechanism for evolution by observing what phenomonons (3),

A

Individuals in a population vary in their traits, Many traits are passed on from parent to offspring, a population can produce more offspring than an environment can support

46
Q

At which level of organization would a protein, such as hemoglobin be placed?,

A

molecule

47
Q

As complexities increase, new properties that did not exist in lower levels of organization are observed. What is this called?,

A

Emergent Properties

48
Q

do thoughts require cells?,

A

yes

49
Q

Is the sun the ultimate source of energy on earth,

A

yes

50
Q

What is the process by which changes occur in the characteristics of species of organisms over time,

A

evolution

51
Q

When many similar cells are grouped together, what is formed?,

A

tissue

52
Q

What term is based on the greek root words for “laws” of “classification”,

A

taxonomy

53
Q

What are composed of multiple organs working together for a common function for the life of an organism,

A

organ system

Summer Bio Final - All Notes (11 decks)

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