A&P Final Exam Review (2) Flashcards
Plasma Membrane
Controls what goes in and out of the cell.
Glycocalyx- ID
Nucleus
Cellular control center
Genetic information
Chromosomes
Bundles of DNA and proteins but organized.
Chromosomes are what are being transferred.
How many chromosomes do humans have?
46
23 pairs
Gene
A basic and functional unit made up of DNA. Genes act as instructions to be transcribed into RNA and ultimately result in the creation of functional products such as proteins.
Nucleolus
Synthesizes rRNA (which makes ribosomes)
Nuclear Envelope
A double membrane separates the nucleus from the cytoplasm.
Rough Endoplasmic Reticulum
Contains ribosomes.
Helps FOLD proteins.
Releases proteins.
Smooth Endoplasmic Reticulum
Synthesizes lipids, NO ribosomes, stores calcium, and detoxes. (large number seen in kidneys and liver)
Golgi Apparatus
Finishes, sorts, and ships cell products in the cytoplasm.
These products turn into vesicles to be secreted.
Vacuole
Isolates waste products and kicks out extra fluid.
Lysosomes
Sacs of enzymes, digestion within the cell, recycles or destroys damaged organelles, a hydrolytic digestive enzyme.
Mitochondria
Harvests energy from food and carries out cellular respiration.
Cytoskeleton
Maintains structure and activities.
Ribosomes
Synthesizes proteins using mRNA
Diffusion
Substances moves from an area of high concentration to an area of lower concentration (down its concentration gradient)