
Piccoli pezzi, grandi differenze (DNA)
Interactive Video
•
Science
•
9th Grade
•
Medium
Lucia Trevisan
Used 2+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chi ha scattato una delle prime foto del DNA tramite diffrazione a raggi X?
James Watson e Francis Crick
Rosalind Franklin
Maurice Wilkins
Linus Pauling
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cosa permise a Watson e Crick di dedurre la struttura del DNA?
Le loro sole conoscenze chimiche
Una foto di diffrazione a raggi X del DNA
Il Progetto Genoma Umano
Analisi di sequenze di RNA
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sotto quale forma si presenta il DNA compattato all'interno del nucleo?
Sotto forma di 46 diverse molecole chiamate cromosomi
sotto forma di 46 coppie di geni diversi racchiusi nel nucleo
Come spirale raggomitolata nel nucleo
Come una singola lunga catena lineare
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quali sono i quattro elementi principali che compongono il DNA?
Zucchero, fosfato e basi azotate (purine e pirimidine)
Nucleotidi, geni, cromosomi e genoma
Adenina, timina, guanina e citosina
Proteine, lipidi, carboidrati e acidi nucleici
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cos'è un gene?
L'insieme di tutti i cromosomi di una cellula (46 nell'uomo)
Una proteina, racchiusa nel nucleo, che svolge una funzione specifica
Un pezzetto di DNA con una sequenza specifica di lettere
Un organello presente nel nucleo che serve per dare istruzioni alle proteine
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cosa codifica un gene?
Le istruzioni per la struttura del DNA
Le istruzioni per costruire proteine
La sequenza degli RNA messaggeri
La duplicazione del DNA
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quante malattie genetiche si stima siano causate da mutazioni nel DNA?
Circa 100
5000-6000
Più di 100.000
Circa 1000
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