eng Flashcards
(19 cards)
def icosaedro regolare
poligono a 20 facce, che sono tutte triangoli equilateri
quanti anagrammi di una parola di n lettere, incluse le parole senza senso?
n!
During chlorophyll photosynthesis, when are ATP and NADPH produced / consumed?
they are produced during the light phase and consumed during the dark phase
what kind of hormone is adrenaline?
catecholamine
what kind of hormones are progesterone,Testosterone, Cortisol and Aldosterone?
steroids
how does the signal pass in a neuromuscular junction?
it passes from the neuron’s axon to the muscle cell by way of a neurotransmitter
where do B lymphocytes mature? T lymphocytes?
in the Bone marrow
T lymphocytes in the thymus
def virione
singola particella virale inattiva, al di fuori della cellula
isolabile fisicamente
4 functions of mitosis
Repairing damaged tissues
Replacement of aged cells
Asexual reproduction
Increasing the size of a multicellular organism
quale componente del citoscheletro trovo nelle cell animali ma non vegetali?
centrioli
what kind of organism is yeast?
fungi
what’s the site of alcohol fermentation? in which cells does it occur?
cytoplasm
yeast and some bacteria
why are plant cells square and not round?
they have a cell wall
what forms in animal / vegetal cells during telophase ?
animal cells: cleavage furrow
vegetal: phragmoplast
da cosa è costituito il fragmoplasto?
vescicole del Golgi contenenti fosfolipidi (membrana) e zuccheri (parete)
come mai il colesterolo non può completamente attraversare la membrana plasmatica, ma può trovarsi solo in 1 dei 2 strati?
se la attraversasse completamente blocherebbe il mosaico fluido
why is the glycocalix towards the outside?
its function is signaling (recognition, as if it were an antenna
through what is gene expression regulated?
transcription factors
