Сells and development lecture 1 +organelles

MrSujg
Quiz by MrSujg, updated more than 1 year ago
MrSujg
Created by MrSujg about 4 years ago
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Description

1st year Biochemistry and molecular biology Quiz on Сells and development lecture 1 +organelles, created by MrSujg on 11/30/2015.

Resource summary

Question 1

Question
Match the organelle with its functions (Plasma membrane)
Answer
  • controls movement of molecules in and out of the cell

  • cell signalling
  • cell adhesion
  • has its own genome

  • principal site of ATP synthesis
  • contain enzymes that degrade obsolete cellular components
  • acidic

Question 2

Question
Match the organelle with its functions (Mitochondria)
Answer
  • “power plant” of the cell

  • has a double membrane

  • has its own genome

  • principal site of ATP synthesis
  • rRNA processing

  • synthesis of fatty acids and phospholipids

  • Ca2+ storage in cell

Question 3

Question
Match the organelle with its functions (Lysosomes)
Answer
  • contain enzymes that degrade obsolete cellular components
  • acidic
  • convert H2O2 to H2O
  • protein transport in vesicles

Question 4

Question
Nucleolus
Answer
  • within nucleus

  • has no membrane

  • rRNA processing

  • ribosomal assembly
  • has a double membrane • contains DNA genome

  • mRNA, tRNA synth
  • protein transport in vesicles

Question 5

Question
Nucleus
Answer
  • has a double membrane
  • mRNA, tRNA synth
  • contains DNA genome


Question 6

Question
Smooth endoplasmic reticulum (SER)
Answer
  • synthesis of fatty acids and phospholipids

  • Ca2+ storage in cell
  • protein folding
  • protein modification

Question 7

Question
Rough endoplasmic reticulum (RER)
Answer
  • ribosomes

  • protein synthesis

  • protein folding
  • support membranes, organise organelles
  • important for cell movement
  • controls movement of molecules in and out of the cell


Question 8

Question
Golgi complex
Answer
  • protein sorting

  • protein modification
  • protein transport in vesicles
  • has its own genome

  • mRNA, tRNA synth
  • cell signalling

Question 9

Question
Cytoskeletal fibers
Answer
  • forms networks: microtubules, microfilaments, intermediate filaments

  • support membranes, organise organelles
  • important for cell movement
  • contain enzymes that degrade obsolete cellular components
  • controls movement of molecules in and out of the cell

  • has a double membrane

Question 10

Question
Chloroplast
Answer
  • has a double membrane
  • has its own genome

  • has internal membranes: thylakoids
  • rRNA processing
  • protein folding

Question 11

Question
Peroxisomes
Answer
  • convert H2O2 to H2O
  • contain enzymes that degrade obsolete cellular components
  • Ca2+ storage in cell
  • protein transport in vesicles

Question 12

Question
Label the image
Answer
  • Plasma membrane
  • DNA
  • cell wall
  • flagellum
  • ribosomes

Question 13

Question
Label the image
Answer
  • 20 mm
  • 4 mm
  • 0.2 mm
  • 30 um
  • 2 um
  • 0.2 um
  • 20 nm
  • 2 nm
  • 0.2 nm

Question 14

Question
The structure of a bacterium (prokaryote)
Answer
  • No internal compartmentalisation
  • Genome (DNA) lies freely in cell
  • 0.1-1 um in size
  • Organo-, photo, or litotrophic
  • 0.1-1 nm in size
  • Internal compartmentalisation
  • Packed DNA

Question 15

Question
Label the image
Answer
  • plasma membrane
  • nucleus
  • endoplasmic reticulum
  • mitochondrion
  • lysosome
  • peroxisome
  • ribosomes
  • mitochondria

Question 16

Question
Label the image
Answer
  • actin filaments
  • peroxisome
  • ribosome in cytosol
  • Golgi apparatus
  • Intermediate filaments
  • plasma membrane
  • nucleolus
  • nucleus
  • endoplasmic reticulum
  • mitochondrion
  • vesicles
  • extracellular matrix
  • nuclear envelope
  • nuclear pore
  • chromatin DNA
  • centrosome with pair of centrioles
  • microtubule

Question 17

Question
Label the image
Answer
  • nucleus
  • nucleolus
  • cytoplasm
  • cytosol
  • ER
  • Golgi apparatus
  • Mitochondria and chloroplasts
  • Lysosomes
  • Endosomes
  • Peroxisome

Question 18

Question
Exchange between different organelles and the outside of the cell is mediated by...
Answer
  • vesicles
  • endosomes
  • cytosol
  • Ca2+
  • Golgi complex

Question 19

Question
Label the image
Answer
  • absent
  • present
  • 1 um
  • 10-100 um
  • present
  • absent
  • 10-100 um
  • 1 um
  • Absent
  • present
  • present
  • absent
  • absent
  • present
  • present
  • absent
  • 1x10^6 to 5x10^6
  • 1.5x10^7 to 5x10^9
  • 1x10^6 to 5x10^6
  • 1.5x10^7 to 5x10^9
  • single circular DNA molecule
  • multiple linear DNA molecule
  • multiple linear DNA molecules
  • single circular DNA molecules

Question 20

Question
Label the image
Answer
  • bacteria
  • anaerobic ancestral eukaryote
  • archae
  • ancestral prokaryote
  • chloroplasts
  • mitochondria
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