microbiology Flashcards
what terms best describes the relationship of one organism living in close association with another, such that one organism benefits without harming the other?
commensal
Rod shaped bacteria are called…
Bacillus
what are paired cocci bacteria are known as?
staphylococcus
polycoccus
diplococcus
streptococcus
spirochaete
diplococcus
Which of the following microorganisms can only replicate inside a living cell?
Spirochetes
Viruses
Fungi
Amoeba
Bacteria
virus
what are flagella are used by a bacteria for?
mobility
Anaerobic organisms can grow in the absence of…
oxygen
Which of the following intracellular structures is part of the cytoskeleton of a human cell?
Flagella
Mitochondria
Microtubules
Golgi complex
Cell wall
microtubules
A spirochete is shaped like a…
spiral
what organelles determines a bacterial Gram stain?
cell wall
The Gram stain differentiates between bacteria based on the composition of their…
cell wall
The plasma membrane provides the outer boundary of …
the nucleus
the mitochondria
the cell
the cell
The cell membrane is made (mostly) from a double layer of …
protolipids
phospholipids
hydrolipids
phospholipids
The cytoplasm includes the organelles and …
the cytosol
the phospholipid bilayer
the nucleus
the cytosol
What separates the nucleus from the cytoplasm of the cell?
the cytosol
the nucleolus
the nuclear envelope
the nuclear envelope
What separates the nucleus from the cytoplasm of the cell?
the cytosol
the nucleolus
the nuclear envelope
the nuclear envelope
Which of the following is found inside the nucleus?
the nucleolus
the golgi apparatus
lysosomes
the nucleolus
Which organelle digests other, worn-out organelles, as well as food particles and engulfed viruses and bacteria?
the lysosomes
the mitochondria
the vacuoles
the lysosomes
Which organelle digests other, worn-out organelles, as well as food particles and engulfed viruses and bacteria?
the lysosomes
the mitochondria
the vacuoles
the lysosomes
Where are the cell’s chromosomes stored?
in the endoplasmic reticulum
in the nucleus
in the vacuoles
in the nucleus
Where are the cell’s chromosomes stored?
in the endoplasmic reticulum
in the nucleus
in the vacuoles
in the nucleus
Which organelle is particularly important for the synthesis, folding, modification, and transport of proteins within the cell?
the endoplasmic reticulum
the mitochondria
the nucleus
the endoplasmic reticulum
Which of the following has ribosomes attached to its surface?
smooth endoplasmic reticulum
the Golgi apparatus
rough endoplasmic reticulum
rough endoplasmic reticulum
After transporting and modifying proteins and lipids, the Golgi apparatus packages them into …
vesicles
vaculoles
lysosomes
vesicles
After transporting and modifying proteins and lipids, the Golgi apparatus packages them into …
vesicles
vaculoles
lysosomes
vesicles
