1. Cell membranes are based on lipid bilayer. Plasma membranes consist of a lipid bilayer with proteins embedded in the bilayer. The principle lipids are phospholipids. A phospholipid molecules has a hydrophilic head with a phosphate group as part of its structure and two hydrophobic tails.The hydrophobic tails consist of long hydrocarbon chains.. Cell membranes are based on lipid bilayer. Plasma membranes consist of a lipid bilayer with proteins embedded in the bilayer. The principle lipids are phospholipids. A phospholipid molecules has a hydrophilic head with a phosphate group as part of its structure and two hydrophobic tails.
higher dollar) of the applicable maximum per diem rate. However, subject to your agencyâs policy, a lesser amount may be authorized. Â§301-11.304 What if my expenses are less than the authorized amount? When authorized actual expense and your expenses are less than the locality per diem rate or the authorized amount, reimbursement is limited to the expenses incurred. Â§301-11.305 What if my actual expenses exceed the 300 percent ceiling?
Per diem (Latin for per day or for each day) is a daily allowance for expensesâa specific amount of money an organization gives an individual, often an employee, per day to cover living expenses when traveling for work.ny tour of duty adding up to over 500 miles counts as a per diem. One can claim up to the per diem limit without receipts. Note also that as long as you keep a record of the amount spent and the date of the expense, then you do NOT need a receipt for any expense less than $75.