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Biology 101 flashcards
1
Q

What id the study of life?

A

Biology

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2
Q

What is the term used to help you remember all of the characteristics of life?

A

Dr. R Cog

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3
Q

How many characteristics of life are there?

A

There are 6 characteristics of life.

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4
Q

What are the 6 characteristics of life?

A

DNA
Reproduction
Responds to environment
Cells (prokaryotic or eukaryotic)
Obtains energy
Grows and develops

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5
Q

What does DNA determine?

A

Determines the traits of all living
organisms

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6
Q

What are the 2 main cell categories?

A

Prokaryotic and eukaryotic

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7
Q

Where is DNA stored?

A

DNA is stored in cells

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8
Q

How is DNA inherited?

A

DNA is inherited from an organism’s
parent(s).

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9
Q

What does “prokaryotic” mean?

A

Before nucleus

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10
Q

What does eukaryotic mean?

A

True Nucleus

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11
Q

Prokaryotic cells have a nucleus. True or False?

A

False

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12
Q

Where is the DNA located in Prokaryotic cells?

A

DNA floats in the cytoplasm of this type
of cell.

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13
Q

Where is the DNA located in Eukaryotic cells?

A

DNA is housed in the nucleus of this
type of cell.

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14
Q

What are examples of organisms that are made up of
prokaryotic cells?

A

bacteria and archaea.

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15
Q

What are 2 types of cells are both eukaryotic cells?

A

Plant cells and Animal Cells

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16
Q

Prokaryotic cells are the most complex cells. True or False

A

False

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17
Q

Eukaryotic cells evolved from prokaryotic cells. True or False

A

True

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18
Q

Which category of cells makes up unicellular organisms
((Prokaryote, Eukaryote, or both)?

A

Both

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19
Q

What does the first R in DR R COG stand for?

A

Reproduction

20
Q

What are the two categories of reproducers?

A

Sexual and Asexual

21
Q

Which type of reproducer is made up of only one parent?

A

Asexual reproducers

22
Q

Offspring from which type of reproducer develops from the
combination of receiving 50% chromosomes from a female
parent and 50% chromosomes from a male parent?

A

Sexual reproducers

23
Q

Which type of reproduction requires 2 parents from each
gender (1 male, 1 female) to create offspring?

A

Sexual reproducers

24
Q

How does offspring develop from asexual reproductions?

A

offspring DNA is identical to parent DNA

25
Q

What are cells?

A

The building blocks of all living things.

26
Q

What are the 3 rules of Cell Theory?

A

All living organisms are made up of one or more cells.
Cells are basic unit of life
All cells arise from pre-existing cells

27
Q

What does autotrophic mean?

A

an organism that can produce its own food using light, water, carbon dioxide, or other chemicals.

28
Q

What does Heterotroph mean?

A

Any organism that consumes other
organisms for food in order to create
energy for the body.

29
Q

Define the characteristic: Obtains energy

A

Obtains energy through the process of metabolism for animals, and photosynthesis for plants

30
Q

2 ways different organisms can obtain energy

A

Autotrophism and heterotrophism

31
Q

Plants are heterotrophic. True or False

A

False

32
Q

What type of organisms are heterotrophic?

A

Dogs, birds, fish, and humans are all examples of heterotrophs.

33
Q

Define biotic

A

living organism

34
Q

Define abiotic

A

non-living organism

35
Q

What is growth?

A

The increase of size and mass of an
organism.

36
Q

Define development

A

involves transformation of an organism as it goes through the growth process.

37
Q

define sensitivity

A

The ability for any organism to respond
to internal or external stimulus.

38
Q

Define Homeostasis

A

The internal balance of an organism.

39
Q

Define adaptations

A

a change or the process of change by which an organism or species becomes better suited to its environment.

40
Q

The classroom thermostat is broken and the room is very hot
and stuffy. How will your body internally respond to this
external stimulus?

A

I will sweat to cool of my body

41
Q

Your day has been busy and you forgot to have breakfast
and then missed lunch. How will your body internally alert
you that it requires nourishment (food)?

A

My stomach is gonna make noises, to remind me

42
Q

What are membrane-bound organelles?

A

Organized structure of distinctive morphology and function, bounded by a single or double lipid bilayer membrane.

43
Q

Which category of cells does not contain membrane-bound
organelles?

A

Prokaryotic cells

44
Q

All categories of cells contain DNA. True or False

A

True

45
Q

Which category of cells can create unicellular and
multicellular organisms?

A

Eukaryotic cells

46
Q

What is the formula for total magnification when looking
through a microscope?

A

Multiply the power of the ocular lens by
the power of the objective being used.

47
Q

What is the total magnification if the ocular lens is 10x and
the objective being used in 40x?

A

400x

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