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7. Cell structure

Leaving Cert Biology

QuestionAnswer
What is the name given to an instrument that uses two lenses to magnify objects Compound microscope
What do you call the part of microscope that you look through but also magnifies Eyepiece
What do you call the part of microscope that you use for rough focusing Caorse adjustment
What do you call the part of microscope that you use for fine focus Fine adjustment
What do you call the part of microscope that magnifies an image Objective lens
What do you call the part of microscope that holds the slide Stage
What do you call the part of microscope that supplies light to the object Mirror or light source
What do you call a microscope that sends a bean of electrons through a thin section of a sample Transmission Electron Microscope (TEM)
What do you call a microscope that uses a beam of electrons to provide a surface view of sample Scanning Electron Microscope (SEM)
What so you call the fine detail of a cell that is provided using an electron microscope Ultrastructure
What are membranes composed of? Phospholipids and proteins
What is the term given to the structure of a membrane Phospholipid bilayer
Proteins and phospholipids are constantly changing position and this is why membranes are said to be fluids, what term is used to describe this Fluid Mosaic Model
Membranes reatain the contents of the cell and give ____________ Support
Membranes control what enter and leave the cell, what is the term used to describe this Selectively semi permeable
The nucleus is known as the ___________ centre of the nucleus control
What surrounds the nucleus Double membrane
What is present in the nuclear membrane Nuclear pores
What is present in the nucleus DNA
What do you call the centre part of a nucleus Nucleolous
What is made in the nucleolus Ribosomes
What do you call the fluid that fills the cells and in which all the organelles are suspended Cytoplasm
What do you call the membrane encloses organelle that are the sites of respiration Mitochondria
Why does the inner membrane of a mitochondria have many infoldings Produces more energy
What do you call the membrane enclosed organelle in plants that allows photosynthesis Chloroplasts
What do you call the green pigment that is present in chloroplasts Chlorophyll
What do you call the organelles, small in animal cells and large in plant cells that contain a fluid called sap Vacoules
The large vacuole in plants has two functions, its a food store and it also provides what to a plant Strength
What do you call the outer layer of a plant cell Cell wall
What is a cell wall made of Cellulose
What is the function of the cell wall Support and strength
What is the function of ribosomes Make proteins
What type of cells DO NOT have a nucleus and membrane enclosed organelles Prokaryotic cells
What type of cells DO have a nucleus and organelles, all of which are enclosed by a membrane Eukaryotic cells
Where are proteins synthesised Ribosomes
Where are proteins processed and packaged golgi apparatus
Created by: gcu biology