From owner-metabolic-reg@net.bio.net Thu Dec 16 22:00:00 1993 Path: biosci!ROCKVAX.ROCKEFELLER.EDU!terkuil From: terkuil@ROCKVAX.ROCKEFELLER.EDU Newsgroups: bionet.metabolic-reg Subject: Re: Photosynthesis: exothermic or endothermic? Date: 17 Dec 1993 07:21:04 -0800 Organization: BIOSCI International Newsgroups for Molecular Biology Lines: 4 Sender: daemon@net.bio.net Distribution: bionet Message-ID: <9312171518.AA16927@rockvax.ROCKEFELLER.EDU> References: <27368.9312161750@bms.brookes.ac.uk> NNTP-Posting-Host: net.bio.net Photons carry energy, defined by De Brogle's (?) constant times the frequency. So the more the wavelength, the less the energy. However, the energy supplied by photons is easy to calculate. Benno ter Kuile .