A novel cyclic operation where anaerobic and aerobic conditions were alternately implemented was developed to take full advantages of anaerobic and aerobic fermentations in order to enhance the production of vitamin B_. Propionate was significantly produced and no pyruvate was accumulated in the ...
42. Paragraph 3 mainly tells us A. what vitamin D is B. where we can get vitamin D C. how much vitamin D we need D. why people don't like vitamin D 相关知识点: 试题来源: 解析 【答案】39. C 40.A 41.D 42.B 【解析】 【导语】本文介绍了维生素D对我们的健康很重要,以及我们如...
Then we lose vitamin D as we work and exercise during the day. Our bodies can't make vitamin D, so we have to get it from outside of our bodies.Where can a person get this very important vitamin? Vitamin D is on food like fish and eggs. Sometimes, vitamin D is added to bread, ...
(b) The active site of the decarboxylase, showing the Mn2+ ion bound and the conserved glutamate. (c) The proposed mechanism for the decarboxylation of the diacid (6). All the genes involved in the vitamin B6 degradation have been identified in M. loti MAFF303099. Apart from gene ...
Abstract 4136: Effects of magnolol on cell cycle, STAT 3, NF-kappa B and AKT signaling Magnolol is plant lignan isolated from bark and seed cones of Magnolia glaucan has been investigated for its anticancer effects. Previous studies from our laboratory have shown magnolol to be chemopreventive ...
故选C。 (2)题详解: 细节理解题。根据“Vitamin D is in foods like fish and eggs”可知,人们可以通过吃鱼来获取维生素D。故选A。 (3)题详解: 段落大意题。 根据“Where can a person get this very important vitamin”可知本段主要告诉我们可以从哪里获取维生素D。故选B。
Vitamin B could reduce theheavily polluted air from downtown Toronto, where an estimateddamage of PM2. 5.1,000 cars pass every hour. The bad air was delivered to theC. Particulate matter does greatvolunteers through an "oxygen-type" face mask. The experiment washarm to our health.D. ...
small portion of high exogenous B12were unabsorbed and reached the distal gut where they were available to interact with the microbiota [57,65]. Although we cannot rule out the involvement of other mechanisms in the protection effects of B12, the data from these experiments support the hypothesis...
2b). For the native supply of PLP, the pdxST genes encoding enzymes from B. subtilis that directly synthesize PLP were inserted into the pdxH locus using the CRISPR-Cas9 system38. The pdxST genes were expressed in a single operon, under the control of the constitutive Biobrick J23118 ...
Where you live may influence your risk of Vitamin D deficiency. Vitamin D synthesis rates tend to vary with geographical location, which influences the amount of UVB exposure from the sun. People further away from the equator have lower rates of vitamin D synthesis,[57] and weather patterns as...