The specificity and collaboration of digestive enzymes in Metazoa

HJ Vonk - Biological Reviews, 1937 - Wiley Online Library
The identity of the digestive enzymes found in vertebrates and invertebrates has been
discussed. For the proteases the conclusion is reached that in the vertebrates as well as in the …

Emulgators in the digestive fluids of invertebrates

HJ Vonk - Archives internationales de physiologie et de biochimie, 1962 - Taylor & Francis
The digestive fluids of Holothuria tubulosa (Echinoderms), Aplysia limacine (Gastropoda),
Aphrodite aculeala (Annelides) and of all the investigated decapod crustaceans (six species) …

Die Verdauung bei den Fischen

HJ Vonk Jr - Zeitschrift für vergleichende Physiologie, 1927 - Springer
Emleitung. Anatomie des Fischdarmkanals--Stand unserer Kenntnisse yon der Verdauung
bei den niederen Vertebraten--Die Nahrung der Fische--Vergleichende Physiologie and …

Comparative biochemistry of digestive mechanisms

HJ Vonk - Comparative biochemistry, 2012 - books.google.com
References |.| nnoducfion The food of animals consists mostly of reserve material or structural
material of other animals or of plants. In the synthesis of these materials the greater part of …

Lipid metabolism in Rhizostoma

HK van Aarem, HJ Vonk, DI Zandee - Archives Internationales de …, 1964 - Taylor & Francis
According to WOOTT~ N and WRic. iIr (1962) itrrols can hc synthesizcd from rncvalonic acid
(which itself may be forrncd from acetate) in several inarinc Annelida; remarkably in Lrini-…

Transaminations in invertebrates

DI Zandee, HJ Nijkamp, I Roosheroe… - … de Physiologie et de …, 1958 - Taylor & Francis
as far as we know, no work in this respect has been carried out with any of the cold blooded
vertebrates and neither with representatives of any of the large invertebrate phyla. A …

Biosynthesis of Unsaturated and Saturated Fatty Acids in Aseptically Reared Larvae of Calliphora Erythrocephala (Meig.)

K Miura, HJ Vonk, DI Zandee… - … de Physiologie et de …, 1965 - Taylor & Francis
Methods Animals and Medium.-Sterilization of the eggs and rearing the larvae under aseptic
conditions were carried out as described by SEDEE (1956, 1958). The larvae were reared …

Die Eigenschaften des Verdauungssaftes von Potamobius (Astacus) leptodactylus und anderen Invertebraten in Bezug auf die Fettresorption

HJ Vonk - Zeitschrift für vergleichende Physiologie, 1935 - Springer
Es wird festgestellt, daß der Verdauungssaft von Potamobius (Astacus) leptodactylus und
anderen Invertebraten auf Fette und Fettsäuren auflösende (aufhellende) Wirkung hat, welche …

A Comparison Between the Intermediary Amino Acid Metabolism of the Rat, The cat and a Blowfly Larva (Calliphora Erythrocephala, Meig

JW Sedee, JG Aalbers, PGC Stratum… - … de Physiologie et de …, 1959 - Taylor & Francis
Growing rats, a growing cat and larvae of Calliphora erythrocephala (the latter aseptically
reared from the egg) were fed with N 15 -labelled ammonia, the Calliphoro larvae also with N …

Biosynthesis of the Fatty Acids in Aseptically Reared Larvae of the Blowfly Calliphora Erythrocephala (Meig.)

JAW Brak, HJ Vonk, FJA Daniels - Archives Internationales de …, 1966 - Taylor & Francis
In this paper wo proved that the larvae of Calliphora erylhrocephala are not able to synthetize
linoleic acid. 2. Evidence is presented that dehydrogenation of saturated fatty acids takes …