Cell structure and functions Flashcards
How many levels in the binomial system of nomenclature?
7
King Philip Can Only Find Green Socks
Kingdom, phylum, class, order, family, genus, species
What theory that living things can grow from non-living things was eventually disproven?
Theory of spontaneous generation
Microbes that convert N2 into a form organisms can use
Nitrogen fixation
Acellular infectious agent consisting of just RNA
Viroid
Contains nucleic acid surrounded by a protein coat
Virus
Cell lacking membrane-bound nucleus
Prokaryotic cell
Acellular agent consisting of just protein
Prion
What two make up prokaryotes?
Bacteria, archaea
What is found within bacteria’s rigid cell walls?
Peptidoglycan
How do bacteria move around?
Flagella
How do bacteria divide?
Binary fission
True or false - archaea contains peptidoglycan
False
Visible mat of fungi
Mycelium
How do fungi harvest energy?
From organic material
Where does algae conduct photosynthesis?
Chloroplasts (chlorophyll)
True or false - protozoa have a rigid cell wall
False
Worms that live at the expense of a host
Helminths
Organelle that kills anything strange that enters
Lysosome
Helps with protein synthesis and transportation
Endoplasmic reticulum
What can make the ER rough?
Ribosomes attached
Which part of the phospholipid is hydrophobic?
Tails
Which part of the phospholipid is hydrophilic?
Heads
What type of ribosome is found within a prokaryote?
70s (50s & 30s)