What causes a double P wave?

What causes a double P wave? P Pulmonale The presence of tall, peaked P waves in lead II is a sign of right atrial enlargement, usually due to pulmonary hypertension (e.g. cor pulmonale from chronic respiratory disease). Can there be 2 P waves? Notably, there are 2 narrow P waves that are negative in the […]

What is the function of homeodomain?

What is the function of homeodomain? Homeodomains function as DNA binding domains and are found in many transcription factors that control development and cell fate decisions. Structurally, homeodomains are related to helix‐turn‐helix proteins of bacteria and consist of three α helices folded around a hydrophobic core and a flexible N‐terminal arm. What protein is known […]

Is Delta still doing snacks?

Is Delta still doing snacks? Beginning Wednesday, Delta is bringing sips and treats back onboard all Delta flights. Safety remains our top priority, so we’ve added some new service processes and protocols with guidance from our partners at Mayo Clinic. Are you allowed to eat on flights? Food changes for all flights. The snacks and […]

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