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Biology Vocab > Test #1 > Flashcards

Test #1 Flashcards

1
Q

Nucleus

A

Organelle which contains DNA

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2
Q

Chromatin

A

The “working form” of DNA

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3
Q

Nuclear Envelope

A

Membrane that separates nuclear contents from cytoplasm

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4
Q

Nucleolus

A

where ribosomes are made

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5
Q

RER

A

membranes that ribosomes use as a platform for proteins

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6
Q

SER

A

(no ribosomes) synthesizing lipids

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7
Q

Vesicles

A

Storage or transport of molecules

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8
Q

Golgi Body

A

Products to be secreted

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9
Q

Mitochondria

A

Transforms energy from food molecules that the cell can use

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10
Q

Lysosomes

A

Contains digestive enzymes

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11
Q

Peroxisosomes

A

break down hydrogen peroxide and other toxins

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12
Q

chloroplasts

A

contains enzymes for photosynthesis

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13
Q

cytoskeleton

A

framework for the cell

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14
Q

centrioles

A

organizes microtubules in cell division

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15
Q

cilla

A

hair like particles

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16
Q

flagella

A

tail like, helps with movement

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17
Q

List the following in order on paper: Atom, Organelle, Tissue, Molecule, Cell

A

Atom, Molecule, Organelle, Cell, Tissue

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18
Q

What is Homeostasis?

A

a state of equilibrium achieved by self-regulation processes in the body

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19
Q

Independent Variable

A

Not changed by the other variables

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20
Q

Dependent Variable

A

Something that depends on other factors

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21
Q

What is the difference between studies and science studies?

A

Science has to test and prove theories, and regularly “corrects itself”.

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22
Q

Matter

A

Something that takes up space

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23
Q

Volume

A

the amount of space it takes up

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24
Q

mass

A

the amount of matter something has

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25
Q

weight

A

measure of the force gravity has on something

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26
Q

atom

A

smallest unit of matter

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27
Q

element

A

matter that consists of only one type of atom

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28
Q

isotopes

A

isotopes atoms of an element that have a different # of neutron

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29
Q

Compound

A

matter consisting of 2 or more elements

30
Q

Molecule

A

smallest unit of compound

31
Q

Ion

A

an atom or molecule with an electrical charge

32
Q

molecular form

A

letters and numbers to describe the atoms in a molecule

33
Q

chemical form

A

describes the rearrangement of atoms during a chemical reaction

34
Q

PH of Below 7 is

35
Q

PH of above 7 is

36
Q

PH of 7 is

37
Q

Building blocks are amino acids

38
Q

Provides quick energy

A

Carbohydrates

39
Q

Glucose is an example

A

Carbohydrates

40
Q

Mostly non-polar hydrophobic molecules

41
Q

Function as Hormones, Enzymes, antibodies

42
Q

contain peptide bonds

43
Q

Provide the instructions for building proteins

A

Nucleic Acids

44
Q

Cholesterol is an example

45
Q

Polysaccharide is an example

A

Carbohydrates

46
Q

Building blocks are monosaccharides

47
Q

building blocks are nucleotides

A

nucleic acids

48
Q

includes DNA, RNA, ATP

A

Nucleic Acids

49
Q

Cells come from

A

Existing cells

50
Q

Common features of all cells

A

DNA, RNA, Ribsomes, Proteins, Cytoplasm , Cell membrane

51
Q

Cell Domains

A

Bacteria, Archaea, Eukarya

52
Q

Prokaryotic Cells

A

Bacteria & Archaea

53
Q

Eukaryotic Cell

54
Q

These cells are very tiny, 1-5 micro meters

A

Bacteria & Archaea

55
Q

Biggest Cells

56
Q

Location of DNA : Nucleiod

A

Bacteria, Archaea

57
Q

Location of DNA : Nucleus

58
Q

Cell wall is present

A

Bacteria, Archaea, Plant/Fungi Eukarya

59
Q

Cell well is absent

A

Animal Eukarya

60
Q

3 Functions of the Cell Membrane?

A

Outer Boundary of the cell
Gateway of the cell
receives messages from the outside

61
Q

4 Components of Cell membrane

A

Phospholipid Bilayer, Proteins, Steroids, Sugars

62
Q

Channel Proteins

A

have tunnels in the 3D shape to move water & solutes

63
Q

Carrier Proteins

A

Have binding site for solute

64
Q

Enzyme proteins

A

catalyze biochemical reactions

65
Q

Recognition Proteins

A

act as chemical flags that are recognized by immune system

66
Q

adhesion proteins

A

allow cells to stick together

67
Q

Receptor proteins

A

receive signal molecules

68
Q

Tight junction

A

create a barrier

69
Q

anchoring junction

A

firmly attach cells together

70
Q

gap junction

A

allow chemical communication between cells

71
Q

plasmodesmata

A

channel proteins that allow chemical communications between cells (plant cells)

Biology Vocab (1 decks)

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