Endosymbiotic & Cell Theory
Germ Theory of Disease & Cell Characteristics
Cell Characteristics Cont.
Cell Characteristics Cont.
100
What are the 2 basic tenets of cell theory?
Cells are the fundamental units of organisms, all cells only come from other cells (biogenesis)
100
What is the Germ Theory of Disease?
The cause of a specific disease could be attributed by a specific microbe
100
What is this type of arrangement called?
Streptobacilli
100
Is Domain Archaea more related to Bacteria or Eukarya?
Eukarya
200
What theory explains how eukaryotic cells evolved from ancestral bacteria? Who first articulated this theory?
Endosymbiotic theory, Mereschowski
200
Who proved the Germ Theory scientifically?
Koch
200
Within the nucleoid, what 2 characteristics describe the single chromosome?
Circular, haploid (unpaired)
200
How do eukaryotes divide?
Mitosis
300
Who argued that mitochondria and chloroplasts arose as a result of prokaryotic cells establishing a symbiotic relationship w/in a eukaryotic host?
Margulis
300
What are the 3 characteristics of all cells?
Cytoplasm, plasma membrane, chromosome(s), and ribosomes
300
What is the gel-like substance composed of water and dissolved chemicals called?
Cytoplasm
300
Do prokaryotes contain histones?
No
400
What are the 3 pieces of evidence in support of endosymbiotic theory?
Mitochondrial & chloroplast DNA are related to their bacterial counterparts, mitochondrial chloroplasts are similar to bacterial ribosomes, and they divide via binary fission
400
One circular chromosome, no organelles, and division by binary fission are all characteristics of what kind of cell?
Prokaryotic
400
What part of the cell is responsible for protein synthesis?
Ribosomes
400
What cell morphology describes round/spherical prokaryotes?
Cocci (coccus-singular)
500
Who argued for handwashing to prevent the transfer of puerperal fever?
Semmelweis
500
What is the arrangement of cocci clusters in multiple planes called?
Staphylococci
500
What component of the cell covers the cytoplasm?
Plasma membrane
500
What is the name of the cocci arrangement that consists of pairs in one plane?
Diplococci