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General Biology I > Q1 CELLULAR BASIS OF LIFE > Flashcards

Q1 CELLULAR BASIS OF LIFE Flashcards

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1
Q

is the scientific study of living things.

A

Biology

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2
Q

Bio meaning

A

Life

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3
Q

logos meaning

A

study of

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4
Q

3 branches of biology

A

zoology, botany, microbiology

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5
Q

study of the
cell – its basic structure and
function.

A

Cell biology

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6
Q

From Latin word _____, meaning
“small room”

A

cella

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6
Q

Basic unit of life

A

cell

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7
Q

is the basic Structural
and functional
unit of living organisms.

A

cell

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8
Q

is a collection
of ideas and
conclusions from many
different scientists over
time that describes cells
and how cells operate.

A

Cell theory

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9
Q

3 cell theory

A

All known living things are
made up of one or more cells.

All living cells arise from
pre-existing cells by division.

The cell is the basic unit of
structure and function in all
living organisms.

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10
Q

he discovered cell

A

Robert Hooke

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11
Q

Observed living cell

A

Anton Van Leeuwenhoek

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12
Q

Discovered nucleus

A

Robert Brown

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13
Q

Named fluid content of
cell as protoplasm

A

J. E. Purkinje

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14
Q

Proposed all plants are
made up of cells

A

Matthias Schleiden

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15
Q

Discovered fluid
content of cell

A

Felix Dujardin`

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16
Q

Proposed all animals
are made up of cells

A

Theodor Schwann

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17
Q

Proposed cell is the basic
unit of life

A

Carl Heinrich Braun

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18
Q

Proposed all cells arise
from pre-existing cells

A

Rudolf Virchow

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19
Q

organism that is made up of only one cell

A

Unicellular Organisms

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19
Q

example of unicellular organism

A

Euglena Paramecium Yeast

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20
Q

organism that is made up of more than one cell

A

Multicellular Organisms

21
Q

example of multicellular

A

Plants Animals Fungus

22
Q

smallest cell

A

Mycoplasma

23
Q

Largest cell

A

Ostrich egg

24
Q

The structure of a cell as seen under
an electron microscope is called _____

A

ultrastructure

25
Q

If we study a cell under a microscope,
we would come across three features
in almost every cell: ______, _____, and ____

A

plasma membrane,
nucleus and cytoplasm.

26
Q

Made up of two layers of lipid molecules
in which protein molecules are floating

A

Plasma Membrane

27
Q

Regulates entry and exit of substances
in and out of the cell

A

Plasma Membrane

28
Q

Non-living and outermost covering of a cell
(plants & bacteria)

A

cell wall

29
Q

cell wall is Made up of

A

cellulose, hemicellulose and
pectin

30
Q

Nucleus has a double layered covering called
______

A

nuclear membrane

31
Q

Colourless dense sap present inside the
nucleus known as

A

nucleoplasm

32
Q

Chromosomes contain stretches of DNA
called ____

A

genes

33
Q

Control all the cell activities like metabolism,
protein synthesis, growth and cell division

A

nucleus

34
Q

Jelly-like material formed by 80 % of water

A

cytoplasm

35
Q

RER synthesize:

A

protein

36
Q

SER synthesize:

A

lipids

37
Q

Modifies, sorts and packs materials
synthesized in the cell

A

golgi body

38
Q

he discovered the golgi body

A

camillo golgi

39
Q

Small, spherical, single membrane sac that help in digesting of large molecules

A

lysosome

40
Q

Single membrane sac filled with liquid
or sap (water, sugar and ions)

A

vacuole

41
Q

Synthesize energy rich compound ATP

A

mitochondria

42
Q

are double membrane-bound
organelles found inside plants and
some algae.

A

plastids

43
Q

They are responsible for activities
related to making and storing food.

A

plastids

44
Q

are plastids that
produce and store pigments

A

Chromoplasts

45
Q

are colourless
plastids that store foods.

A

leucoplast

46
Q

Double membrane-bound organelles found
mainly in plant cells

A

Chloroplasts

47
Q

Convert light energy into chemical energy
in the form of food

A

Chloroplasts

48
Q

are hollow, cylindrical structures
made of microtubules

A

Centrosome

49
Q

Form spindle fibres which help in the movement
of chromosomes during cell division

A

Centrosome

50
Q

Formed by microtubules and microfilaments and determines shape

A

Cytoskeleton

51
Q
A

General Biology I (1 decks)

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