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کدام یک از فرآیندهای زیر بیشتر احتمال دارد که در مهندسی بافت با استفاده از سلول‌های بنیادی جنینی (ESC) به تحریک تمایز سلولی در جهت بافت‌های خاص مانند استخوان یا غضروف منجر شود؟ 👩🏻💻👩🏻🔬🌿
Anonymous Quiz
1. استفاده از محیط کشت غنی‌شده با فاکتورهای رشد BMP (Bone Morphogenetic Proteins)
2. ایجاد شرایط هایپوکسی با فشار کم اکسیژن در محیط کشت
3. مهار مسیر سیگنال‌دهی Wnt به‌وسیله مهارکننده‌های خاص
4. استفاده از مواد هیدروژلی به عنوان داربست‌های سه‌بعدی بدون افزودن فاکتورهای رشد
Markets continued to grapple with the economic and corporate earnings implications relating to the Russia-Ukraine conflict. “We have a ton of uncertainty right now,” said Stephanie Link, chief investment strategist and portfolio manager at Hightower Advisors. “We’re dealing with a war, we’re dealing with inflation. We don’t know what it means to earnings.” For Oleksandra Tsekhanovska, head of the Hybrid Warfare Analytical Group at the Kyiv-based Ukraine Crisis Media Center, the effects are both near- and far-reaching. Groups are also not fully encrypted, end-to-end. This includes private groups. Private groups cannot be seen by other Telegram users, but Telegram itself can see the groups and all of the communications that you have in them. All of the same risks and warnings about channels can be applied to groups. The news also helped traders look past another report showing decades-high inflation and shake off some of the volatility from recent sessions. The Bureau of Labor Statistics' February Consumer Price Index (CPI) this week showed another surge in prices even before Russia escalated its attacks in Ukraine. The headline CPI — soaring 7.9% over last year — underscored the sticky inflationary pressures reverberating across the U.S. economy, with everything from groceries to rents and airline fares getting more expensive for everyday consumers. Artem Kliuchnikov and his family fled Ukraine just days before the Russian invasion.
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