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It is true that a eukaryotic cell
is smaller than a prokaryotic cell
lacks a well-defined nucleus
does not contain histones
contains structures called organelles - (answer)contains structures called organelles
The cell's energy producers are called
mitochondria
ER
Golgi complex
nucleolus - (answer)mitochondria
Movement of a solute molecule from an area of high concentration to an area of low
concentration is called
,osmosis
diffusion
hydrostatic pressure
filtration - (answer)diffusion
Which are the roles of relay chains in signal transduction?
amplify the signal
transfer the signal
distribute the signal
converge the signal - (answer)amplify the signal
transfer the signal
distribute the signal
For optimal cell function which of the following is necessary:
potassium higher outside and sodium higher inside the cell
,potassium ions need to be at higher concentration inside the cell and sodium need to be at higher
concentration outside the cell - (answer)potassium ions need to be at higher concentration inside
the cell and sodium need to be at higher concentration outside the cell
Which are causes of cellular injury?
genetic
chemical injury
hypoxia cell injury
antioxidants - (answer)genetic
chemical injury
hypoxia cell injury
Which statement is true regarding apoptosis?
is the process of cellular self-digestion
an active process of cellular self-destruction
local cell death after severe and sudden injury
, is defined as decrease or shrinkage of cellular size - (answer)an active process of cellular self-
destruction
Which of the following is an increase in cell number?
Hyperplasia
Metaplasia
Dysplasia
Atrophy - (answer)Hyperplasia
Only cells that can divide will undergo hyperplasia; therefore, hyperplasia of the myocytes in the
health and neurons in the brain does not occur - (answer)true
The most common cause of hypoxia is
ischemia
anoxia
anemia - (answer)ischemia