Terms for subject Biochemistry containing or ... or

English	Russian
base pair loss or gain	потеря или прибавление оснований (MichaelBurov)
base pair loss or gain	потеря или прибавление пар оснований (MichaelBurov)
natively or recombinantly associated	связанный в естественных условиях или с помощью методик рекомбинантных ДНК (VladStrannik)
The acute reference dose ARfD of a chemical is an estimate of the amount of the substance in food and/or drinking water, normally expressed on a body weight basis, that can be ingested in a period of 24h or fewer, without appreciable risk to the health of the consumer.	острая референсная доза (https://www.sciencedirect.com/science/article/abs/pii/B9780128114100000076 MichaelBurov)