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    • C2 高級

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    enzyme

    US /ˈɛnzaɪm/

    ・

    UK /ˈenzaɪm/

    B2 中高級英檢高級多益
    n.名詞酶
    An enzyme in the stomach helps us absorb food

    影片字幕

    這會致命?這些東西都有可能讓你有生命危險 (This Much Will Kill You)

    03:41這會致命?這些東西都有可能讓你有生命危險 (This Much Will Kill You)
    • 1 or 2 ground cherry pits contains enough cyanide to take you down, and these cyanide ions inhibit the enzyme cytochrome c oxidase, causing your cells to be unable to use oxygen.

      1 或 2 個磨碎的櫻桃核含有足夠讓你病倒的氰化物 ,這些氰化物離子會抑制我們體內一種稱為「細胞色素 C 氧化酶」的酶類, 使你的細胞無法利用氧氣。

    • and these cyanide ions inhibit the enzyme Cytochrome C Oxidase,

      這些氰化物離子會抑制我們體內一種稱為「細胞色素 C 氧化酶」的酶類,

    B1 中級

    DNA與RNA:轉錄的奧祕! (DNA and RNA - Transcription)

    05:52DNA與RNA:轉錄的奧祕! (DNA and RNA - Transcription)
    • Transcription begins when an enzyme called RNA polymerase attaches to a segment of DNA called a gene.

      當一種叫做 RNA 聚合酶的酶連接到一段叫做基因的 DNA 上時,轉錄就開始了。

    • Transcription begins when an enzyme called RNA polymerase attaches to a segment of DNA called a gene.

      當一種叫做 RNA 聚合酶的酶連接到一段叫做基因的 DNA 上時,轉錄就開始了。

    B2 中高級

    為什麼億萬富翁都喜歡「裝窮」?(Why Billionaires Try So Hard To Look "Poor")

    11:51為什麼億萬富翁都喜歡「裝窮」?(Why Billionaires Try So Hard To Look "Poor")
    • Here's how it works: when you drink alcohol, gets converted into a toxic byproduct in the gut. Zbiotics produces an enzyme to break this byproduct down.

      以下是它的運作方式:當你飲酒時,酒精在腸道轉化為一種有毒的副產物。Zbiotics 產生一種酵素來分解這種副產物。

    B1 中級

    基因工程將徹底改變一切 – CRISPR (Genetic Engineering Will Change Everything Forever – CRISPR)

    16:04基因工程將徹底改變一切 – CRISPR (Genetic Engineering Will Change Everything Forever – CRISPR)
    • The first food modified in the lab went on sale in 1994 - the flavor savor tomato, a tomato given a much longer shelf life via an extra gene that suppressed the buildup of a rotting enzyme.

      來研究及改變牠們,用作學術研究、醫藥、農業及興趣。

    • where an extra gene that suppresses the build-up of a rotting enzyme. But GM food

      一個額外基因抑制生成腐壞酶。不過基改食物

    B1 中級

    失智症(阿茲海默症)- 斑塊、糾結、成因、症狀與病理大解密! (Alzheimer's disease - plaques, tangles, causes, symptoms & pathology)

    08:54失智症(阿茲海默症)- 斑塊、糾結、成因、症狀與病理大解密! (Alzheimer's disease - plaques, tangles, causes, symptoms & pathology)
    • Normally it gets chopped up by an enzyme called alpha-secretase and its buddy, gamma-secretase.

      而另一端在細胞外。這個傢伙被認為幫助神經元生長

    • If another enzyme, beta-secretase, teams up with gamma-secretase instead, then we've got a problem.

      隨著時間的過去,它被分解和回收。 通常,它被稱為alpha分泌酶的酶

    B2 中高級

    地球上最致命的生物——噬菌體! (The Deadliest Being on Planet Earth - The Bacteriophage)

    07:09地球上最致命的生物——噬菌體! (The Deadliest Being on Planet Earth - The Bacteriophage)
    • In the final step, they produce endolysin, a powerful enzyme that punches a hole in the bacteria.

      說穿了它們不過是個帶著殼的一團遺傳物質,

    • a powerful enzyme that punches a hole in the bacteria.

      內部的高壓會讓細菌死於猛烈的爆漿。

    B1 中級

    光合作用! (Photosynthesis)

    12:27光合作用! (Photosynthesis)
    • way in. Carbon dioxide is a one carbon molecule. So basically there's an enzyme here called
    • So basically, there's an enzyme here called Rubisco,
    B1 中級

    科學家能讓我們永生不老嗎?! (Can Scientists Make Us Live Forever?)

    03:20科學家能讓我們永生不老嗎?! (Can Scientists Make Us Live Forever?)
    • Scientists at Harvard recently genetically engineered mice to have a gene with an enzyme that reverses this shortening, and

      可以透過唾液的樣本來分析我們的 DNA,然後得知我們是否有罹患一些疾病的風險

    • but these short enzyme treatments might awaken sleeping stem cells, which repair tissues from the inside.

      你仍然會長皺紋,你仍然想對著吵鬧的年輕人揮拳,

    B1 中級

    牛奶:白色毒藥還是健康飲品? (Milk. White Poison or Healthy Drink?)

    10:49牛奶:白色毒藥還是健康飲品? (Milk. White Poison or Healthy Drink?)
    • This adaptation has to do with a specialized enzyme - lactase.

      數千年來一直是如此

    • Worldwide, about 65% of the population do not have the enzyme after infancy, which means they are not able to digest more than about 150 milliliters each day.

      並且馴化了第一批產乳的動物

    B2 中高級

    為什麼我們會感到疼痛,以及如何擺脫它! (Why We Have Pain, & How We Kill It)

    10:05為什麼我們會感到疼痛,以及如何擺脫它! (Why We Have Pain, & How We Kill It)
    • So if we can keep the arachidonic acid from being the key that fits into those enzyme locks,

      所以如果我們能防止花生四烯酸這把鑰匙插進那些作用酶鎖

    • Salicin metabolizes into salicylic acid, which disables the COX-1 enzyme particularly well.

      也是現在越來越多人吃上癮的藥品

    B2 中高級