In which process are complex molecules formed from simple molecules?

What types of changes are $P$ and $Q$?
$P -$ Transformation in the shape of a compound without breaking bonds.
$Q -$ Transformation where bonds are broken or new bonds are formed.
$P$ and $Q$ are respectively:

Identify whether the given conditions are anabolic or catabolic:
$I$. Glucose $\rightarrow$ Lactic acid
$II$. Amino acids $\rightarrow$ Proteins

All biochemical processes which occur in an organism's body are called...

The reason why energy transfer or transformation is not $100 \%$ efficient is due to:

Which of the following is true regarding energy transformation in living cells?