Topic 1 Flashcards
Eyepiece lens
Part of microscope you look down
Magnification lens
How much bigger something appears
Objective lens
Part of microscope closest to specimen
Resolution
Smallest change that can be measured by an instrument
Aerobic respiration
Respiration in which oxygen is used to release energy
Cell membrane
Controls what goes in and out of a cell
Cell sap
Liquid found in vacuole of a plant cell
Cell wall
Tough layer, used for protection and structure
Made of cellulose in plants
Bacteria = flexible
Chlorophyll
Green substance inside chloroplasts
Chloroplasts
Green disc containing chlorophyll
Inside plant cells
Where a plant makes glucose using photosynthesis
Cytoplasm
Watery jelly like substance where the cell’s activities take place
Eukaryotic
A cell with a nucleus
Field of view
Circle of light you can see down a microscope
Mitochondrion
Sub-cellular structure in cytoplasm of eukaryotic cells
Ribosome
Sub-cellular structure that makes proteins
Scale bar
Line drawn on magnified image that shows scale
Vacuole
Storage space in cells
Plants = large permanent vacuole to keep them rigid
Acrosome
Small vacuole at end of tip of a sperm cell head, containing enzymes
Adaption
Features that something has to enable it to do certain things
Ciliated Epithelial Cell
A cell that lines certain tubes in the body and has cilia on the surface
Cilia
Small hair-like structure on surface of cells
Sg. Cilium
Diploid
Cell that has 2 sets of chromosomes
Egg cell
Female gamete
Haploid
Cell with one set of chromosomes
Embryo
Life that grows from a zygote (fertilised egg cell)
Enzyme
Protein
Substance that speeds up some processes of breaking things down