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When and how do we use "haben" or "sein" when conjugating the past tense?

In German we have 2 "helping" verbs for conjugating the past tense. Haben is used more often for conjugating the past, it is conjugated in numerous ways depending on the personal pronoun. Haben ...

CR
Answered by Charlie R. German tutor
7295 Views

Describe the genetic code and its relationship to polypeptides and proteins. (5 points) (PAPER 2 QUESTION BIOLOGY SL)

Sequential answer: 1. What is the genetic code? sets of 3 nucleotides/sets of bases which are called codons (1 point). 2. Which are the bases? bases include adenine, guanine, cytosine and thymine in DNA /...

AA
Answered by Arian A. Biology tutor
9561 Views

Define active transport.

Active transport uses energy in the form of ATP hydrolysis to move a molecule against its concentration gradient.

JA
2452 Views

What are the enzymes involved in the process of DNA replication?

DNA Helicase - unwinds and unzips the DNA double helix by breaking the hydrogen bonds DNA Gyrase - this helps to stabilise the single strands Single-Strand Bindin...

DG
Answered by Dominic G. Biology tutor
11508 Views

Define how recursion works

Recusion works by creating a method which is defined in terms of itself. This effectively means that the method will make method calls to itself. It makes these calls using increasingly reduced problem si...

MK
1841 Views

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