
Aminoacizi
Authored by Rădița Palela
Chemistry
11th Grade
Used 2+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aminoacizii sunt substanțe:
anorganice
organice
organice cu funcțiuni multiple
organice cu funcțiuni simple
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aminoacizii au în componența lor:
grupări -COOH
Grupări -NH2
grupări -COOH și
-NH2
grupări -CHO
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Glicina are formula structurală:
H2N- CH2-COOH
H2N- CH(CH3) -COOH
CH3-COOH
CH3-CHO
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aminoacizii sunt substanțe
lichide, cu puncte de fierbere ridicat
solide, cristalizate, cu puncte de topire ridicate
lichide cu puncte de fierbere scăzute
sunt insolubile în apă
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alanina este
un alfa aminoacid, monoamino, monocarboxilic
un beta aminoacid,monoamino, monocarboxilic
un aminoacid obținut pe cale sintetică
un aminoacid dicarboxilic
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
legăturile peptidice( amidice) sunt de forma
-CO-
-NH-
-CO-NH-
-COO-
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Peptidele simple sunt formate
dintr-un singur aminoacid
din aminoacizi diferiți
dintr-un singur acid
dintr-o singură amină
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