Cell Structure

Descrição

A quiz that covers everything in AQA spec 3.2.1.
shmockol
Quiz por shmockol, atualizado more than 1 year ago
shmockol
Criado por shmockol quase 9 anos atrás
31
1

Resumo de Recurso

Questão 1

Questão
What structures can be seen through an optical microscope?
Responda
  • Lysosmes
  • Golgi Apparatus
  • Ribosomes
  • Nucleus

Questão 2

Questão
The RER has ribosomes that make proteins which are enzymes.
Responda
  • True
  • False

Questão 3

Questão
What are the functions of the Golgi Apparatus?
Responda
  • Modifies materials.
  • Aids the breakdown of materials.
  • Helps substances to diffuse in and out of the cell.
  • Transports substances to the cell surface.

Questão 4

Questão
An animal cell does not contain ___ and ____ unlike a plant cell.
Responda
  • Plasma membrane and chloroplasts.
  • Endoplasmic reticulum and cell wall.
  • Cell wall and chloroplasts.
  • Ribosomes and Golgi Apparatus.

Questão 5

Questão
To remove organelles you must; 1) Break open the cells 2) Place sediments in a cold, isotonic, buffered solution 3) Place in the centrifuge to remove organelles in size order
Responda
  • True
  • False

Questão 6

Questão
You must stain a Transmission Electron Microscope sample because..
Responda
  • Remove water from the specimen.
  • Produce contrast on the micrograph.
  • Stabilise the structures.

Questão 7

Questão
Scanning a beam of [blank_start]electrons[blank_end] across a SEM specimen knocks of electrons and allows them to be gathered in a [blank_start]cathode[blank_end] ray tube to form an [blank_start]image[blank_end].
Responda
  • electrons
  • high voltage
  • protons
  • anode
  • cathode
  • electron
  • image of high resolution
  • scan
  • image

Questão 8

Questão
What are examples of artefacts?
Responda
  • Dust
  • Water
  • Too much stain
  • Hydrated specimen

Questão 9

Questão
What are the similarities of prokaryotic and eukaryotic cells?
Responda
  • Both are bound by a plasma membrane.
  • ER is present in both.
  • Vesicles are visible in both.
  • All organelles are membrane-bound.

Questão 10

Questão
The outer membrane of mitochondria are folded into cristea.
Responda
  • True
  • False

Questão 11

Questão
The Golgi Apparatus is an extension of the nuclear membrane.
Responda
  • True
  • False

Questão 12

Questão
What are the functions of smooth endoplasmic reticulum?
Responda
  • Production of hormones and steroids.
  • Production of muscle fibres.
  • Store lipids.
  • Synthesise lipids.

Questão 13

Questão
Many [blank_start]Golgi Apparatus[blank_end] are found in synapses to [blank_start]transport[blank_end] chemicals across neurons and in glandular tissue to modify [blank_start]proteins[blank_end] to enzymes.
Responda
  • Golgi Apparatus
  • Ribosomes
  • Endoplasmic Reticulum
  • modify
  • synthesise
  • transport
  • proteins
  • ribosomes
  • amino acids

Questão 14

Questão
The equation for magnification is: Image size = Magnification * Actual size
Responda
  • True
  • False

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