Three of the four stages of cellular respiration produce ATP. The first stage, glycolysis, occurs in the cytoplasm of the cell. During this stage, one glucose molecule is broken into two pyruvic acid molecules. This results in the production of two ATP molecules for every glucose used.
progress payment. Payment made as work progresses under a contract, upon the basis of costs incurred, of percentage of completion accomplished, or of a particular stage of completion.
Down payment. Down payment (or downpayment) is a payment used in the context of the purchase of expensive items such as a car and a house, whereby the payment is the initial upfront portion of the total amount due and it is usually given in cash at the time of finalizing the transaction. A loan or the amount in cash is then required to make the full payment.