Đang tải các đoạn phim…
7 đoạn
Được nói trong 7 đoạn từ 2 kênh · B1–C1
Zebras, however, appeared immune to the same pitfalls as horses.
This may be the first time your immune system has seen such young germs since you were a teen yourself.
It’s basically part of the bacteria’s immune system — it remembers DNA sequences from attacking viruses and chops them up in specific places.
Poor sleep can also impact your memory, focus, and immune system.
Whereas having more genetic diversity in a population can mean diversity in immune strengths, so a single illness is less likely to wreak widespread havoc.
You see, something like a virus or even a cancer may target one particular weakness in the cheetah's immune system.
Like, scientists in China recently used CRISPR to make a subgenic modification in wheat — they turned off three genes that repress the wheat’s immune response to a nasty fungal infection.