43  Uwe Klöber findet, dass er immer mehr arbeiten muss.

Identifizieren Sie die beste Definition der unterstrichenen Satzposition. _________________ Anders als Kolumbus glaubte Amerigo Vespucci, einen neuen Kontinent entdeckt zu haben.

44  Claudia Altmann findet ihre Büroarbeit langweilig.

Two structures with an identical molecular formula but different structures and characteristics are called __________.

The complete genetic makeup of an organism is called _________.

Which one of these statements is not true about nuclear envelope

________________ is an amphipathic lipid molecule

Grouping of species based on common ancestry is called ____________.

In a periodic table, what do columns indicate?  

Water is extremely stable as a ___________.