Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Combined Science > Combined Science > Flashcards

Combined Science Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

Where is DNA Stored in the sperm head.

A

In the top of the Sperm head.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What do Chromosomes contain?

A

a substance called DNA and are carried in molecules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Where are Genes foundinthecell

A

Nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the function of a cell wall

A

keeps the shape and used for support and protection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Function of Nucleus

A

-Holds the DNA
-controls cell.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Function of Mitochondria

A

provides energy for the cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Function of Cell membrane

A

Keeps structure
Control what goes in and out

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Function of Chloroplasts

A

Where photosynthesis happen.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Function of Cytoplasm

A

Where chemical reactions happen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the organ system made up of

A

Cells -> tissues -> organs -> organ system.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is Diffusion

A

Where particles go from a high concertation to a low concentration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Function of heart

A

Pumps blood around your body as it beats. Sends oxygen around the body.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Function of Fallopian tube

A

where egg is transferred into the uterus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Function of Ovaries

A

Produce, store egg,

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

function of utuerus

A

EGG implants itself in the lining of the uterus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Function of Cervix

A

Sperm travel through

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Function of Vagina

A

Receives the penis during intercourse

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is the heart

A

Organ for the Circulatory system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What does the heart muscle do

A

Contracts forcing blood out of the chambers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

The left side has bigger muscles, why?

A

So it can pump blood to the rest of the body.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Heart have____Chambers

A

4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

muscle tissue in the heart contracts…

A

TO pUsh blood through the heart and into blood vessels

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

arteries are..

A

blood vessels

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Inhalation…

A

Diaphram contracts which makes make our lungs go out and up.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Exhalation…

A

Diaphram relaxes which makes our lungs go down and in.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

What is it called when muscles and bones in our body work together

A

Biomechanics

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

When muscles contract they become..

A

Short and fat.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Antagonist means..

A

pairs where one muscle contracts and the other relaxes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Where can antagonist pairs be found

A

In our triceps and biceps.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

What are drugs

A

Something you take, it affects the way our body works.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Types of Recreational drugs are..

A

Cocaine, heroine, cannabis, ecstasy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Recreation drugs are taken for..

A

Pleasure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

What are stimulants drugs

A

Drugs that affect the nervous system, they carry impulses fast

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

Types of Stimulants

A

Caffeine, cocaine, alcohol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Depressants are..

A

Drugs that cause the nervous system to carry nerve impulses slower

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

What’s a mixture..

A

Mixture of two substances

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

What is countinuous

A

Something that can be put into half numbers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

What is discontinuous

A

Something that cannot be halved numbers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

What happens to animals that do not adapt to their environment

A

They will die.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Carbohydrates are

A

an energy source

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

Lipids are..

A

an energy source

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

Proteins are..

A

used for growth and repair of tissues

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

Vitamins are

A

helpful to prevent deficiency diseases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

MRS GREN

A

Movement
Respiration
Sensitivity

Growth
Reproduction
Excruetion
Nutrion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

Fibre helps..

A

avoid constipation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

Evoultion is where..

A

Things change over time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

Digestive system is responsible for..

A

breaking down large insolubule molecules

48
Q

Enzymes help

A

chemically break down food

49
Q

The mouth is responsible for..

A

breaking down food

50
Q

The oesophagus…

A

transports food from the mouth to the stomach

51
Q

In the large intestines…

A

water absorption happens

52
Q

In the rectum…

A

faeces is stored

53
Q

3 types of enzymes

A

Amylase
Protease
Lipase

54
Q

What happens in the Gas Exchange in the lungs

A

Deoxygenated blood arrives at the lungs from the heart the lungs supply oxygen to the blood and then the blood goes to the heart in the pulmonary vein

55
Q

What can you use to see information about waves

A

Oscilloscope

56
Q

what is a Wavelength

A

Distance between a point of a wave to the same point on the next wave

57
Q

What is the Peak or crest

A

Top of a wave

58
Q

Trough

A

Bottom of a wave

59
Q

Amplitude

A

Distance from the middle to the crest or trough of the wave

60
Q

what is the Frequency

A

Number of waves that travel past a single point every second.

61
Q

What do waves transfer

A

Energy

62
Q

Longitude waves travel on?

A

Solids

63
Q

Transverse waves travel through?

A

Liquids

64
Q

Wave speed is calculated using the equation…

A

Wave speed = frequency x wavelength

65
Q

What earthquake wave shakes the earth?

A

Transverse S waves

66
Q

What do S waves stand for

A

Secondary

67
Q

Distance =

A

speed x time

68
Q

What does sound travel fasted through

A

Solids

69
Q

Reverberation is

A

a repeated echo

70
Q

What is the medium

A

A material that sound can travel through

71
Q

What are infrasound’s

A

Sound waves with a frequency below the lower limit of human audibility

72
Q

Ultrasound uses are

A

Used to scan an unborn baby during pregnancy

73
Q

What is the outer ear made of

A

Pinna
Ear Canal
Ear drum

74
Q

What is the middle ear made of

A

Hammer
Anvil
Stirrup

75
Q

What can translucent objects do to light

A

Scatter light so not all the light is transmitted

76
Q

What happens if light is reflected from a rough surface

A

Diffuse scattering

77
Q

The law of reflection states:

A

The angle of incidence equals the angle of reflection

78
Q

The law of reflection states:

A

The angle of incidence equals the angle of reflection

79
Q

What must light rays have

A

an arrow on the light ray to show the direction of the light

80
Q

which angle is the angle of refraction

A

The angle measured from the normal to the ray

81
Q

What is the cornea

A

Transparent outside layer of the eye

82
Q

What is the pupil

A

Where light enters

83
Q

What is the iris

A

A muscle that controls the size of the pupil

84
Q

What is the lens

A

Able to to change the shape

85
Q

What is the retina

A

Back of the eye where light is focused

86
Q

What is the optic nerve

A

A nerve that connects the eye to the brain

87
Q

Which way does light bend as it enters a new medium and slows down

A

Towards the normal

88
Q

Why does light refract

A

As it hits a new medium, the speed changes and direction depending on the density of the material or what angle the light hits the medium

89
Q

Which parts of the eye refracts light

A

Cornea and the lens

90
Q

Why does light look white

A

Because its a mixture of all the colours

91
Q

What can we use to separate white light into colours

A

A prism

92
Q

What are the three primary colors of light?

A

Green red blue

93
Q

Sound is a __________ wave

A

longitudinal

93
Q

Sound is a __________ wave

A

longitudinal

94
Q

What are amplitude measured in

A

Metres/Decibels

95
Q

What is a resistor

A

A component which can limit the current that flows through it

96
Q

What is a ammeter used for

A

to measure currents

97
Q

Which way does conventional current flow

A

from the positive terminal to the negative terminal

98
Q

which way do electrons flow in a circuit

A

to a positive to a negative terminal

99
Q

What happens in condensation

A

gas -> liquid

100
Q

Melting is

A

solid -> liquid

101
Q

Evaporation is

A

liquid to gas

102
Q

difference between evaporation and boiling

A

Evaporation can happen at any temperature

103
Q

Boiling is,,

A

liquid to gas

104
Q

Freezeing is

A

Liquid to solid

105
Q

Diffusion is where…

A

Particles go from an are of high concentration to a lower concentration

106
Q

What happens if we increase the temperature of gas in a fixed volume

A

Pressure will increase

107
Q

what does a increase of temperature lead to?

A

higher kinetic energy

108
Q

What does distillation do

A

separates 2 liquids

109
Q

Acids is a group of…

A

chemicals

110
Q

Alkalis are

A

a group of chemicals

111
Q

Indicators are..

A

a type of chemical that will turn a different colour in acid or alkali conditions

112
Q

Litmus paper can..

A

can change colors to tell you whether you have an acid or alkali

113
Q

what is a element

A

a substance which contains only one kind of atom

114
Q

Compounds are

A

atoms joined together

Combined Science (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions