Science: Assessment 2 preperation Flashcards

1
Q

What type of circuit has multiple routes to travel back to the cell.

A

parallel circuit

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2
Q

cell wall use

A

strengthens and supports the cell

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3
Q

cell membrane use

A

controls what goes in and out of a cell

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4
Q

cell nucleus use

A

controls what the cell does and stores information. it`s the brain of the cell

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5
Q

cell cytoplasm use

A

all chemical reactions occur in the cytoplasm. it`s the main body of the cell

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6
Q

chloroplasts use for plant cells

A

contains chlorophyll needed for photosynthesis

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7
Q

nuclear membrane use

A

it protects and keeps the nucleus secure and compact

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8
Q

vacuole use

A

contains sap to support the cell

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8
Q

seven life processes

A
  • Movement - Respiration
  • Sensitivity - Growth
  • Reproduction - Excretion - Nutrition
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8
Q

parts of a microscope

A
  • Eyepiece lens,
  • Objective lens,
  • Arm,
  • Stage,
  • Fine focus knob,
  • Coarse focus knob,
  • Light
  • Base
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9
Q

Ammeter use

A

To calculate the amount of current (Amps) in a circuit.

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10
Q

voltmeter use

A

To calculate the electromotive force (Voltage) in a circuit.

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11
Q

What is a series circuit

A

A type of circuit which only has one path that the electricity can flow through.

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12
Q

What is a fuse

A

A safety device used to stop a sudden surge in electricity which has entered the device.

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13
Q

Animal cell contents

A

the cytoplasm, nucleus and cell membrane

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14
Q

plant cell contents

A
  • the vacuole,
  • cytoplasm,
  • chloroplasts,
  • cell wall,
  • cell membrane
  • the nucleus
15
Q

all animal specialized cells

A
  • red blood cells
  • sperm cells
  • egg cells
  • nerve cells
  • olfactory epithelium cells
16
Q

how does the sperm cell adapt to it`s objective

A

it has a long tail good for swimming

17
Q

how does the red blood cell adapt to it`s objective

A

it has a huge surface area and doesn`t have a nucleus so it can hold more oxygen

18
Q

how does the egg cell adapt to it`s objective

A

it has a huge cytoplasm so that it can produce more food

19
Q

how does a nerve cell adapt to it`s objective

A

it is very long

20
Q

how does the olfactory epithelium cell adapt to it`s objective

A

it has small hairs that produce mucus to trap bacteria lurking in it`s hairs