AS - Applied Science Unit 1 Biology
(Btec) Questions And Answers With
Verified Solutions Latest Updated 2024
Prokaryotic cell - ANSWER✔✔Cell that does not have a nucleus or other
membrane-bound organelles.
Magnification - ANSWER✔✔The number of times larger an image is compared
with the real size of the object
Organelle - ANSWER✔✔specialized structure that performs important cellular
functions within a eukaryotic cell.
Resolution - ANSWER✔✔The ability to distinguish between objects that are close
together.
Nucleus - ANSWER✔✔A part of the cell containing DNA and RNA and
responsible for growth and reproduction.
Mitochondria - ANSWER✔✔ATP production
Chloroplast - ANSWER✔✔An organelle found in plant and algae cells where
photosynthesis occurs.
Nanometer (nm) - ANSWER✔✔One millionth of a millimetre
Eukaryotic - ANSWER✔✔Cell with a nucleus (surrounded by its own membrane)
and other internal organelles.
plasma membrane - ANSWER✔✔composed of a phospholipid bilayer. It is
selectively permeable and regulates the transport of materials into and out of the
cell.
Cytoplasm - ANSWER✔✔semi-transparent fluid, which maintains cell shape and
stores chemicals for metabolism.
Nucleolus - ANSWER✔✔Found inside the nucleus and produces ribosomes and
RNA
Rough endoplasmic reticulum (ER) - ANSWER✔✔Network of membrane bound
flattened sacs called cisternae studded with ribosomes.
Smooth Endoplasmic Reticulum - ANSWER✔✔Creates lipids or and
carbohydrates.
Golgi apparatus - ANSWER✔✔A system of membranes that modifies and
packages proteins for export by the cell.
Vesicle - ANSWER✔✔A membrane bound sac that contains materials involved in
transport of the cell.
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