黑寡婦毒蛛 的英文怎麼說
中文拼音 [hēiguǎfùdúzhū]
黑寡婦毒蛛
英文
blackwidowspider-
A daddy longlegs spider is more venomous than a black widow, but it can open its mouth wide enough to bite a person
成年長腿蜘蛛的毒性比黑寡婦要大的多,它的嘴可以張大到足以咬住人。The amino acid sequences of about 100 kinds of spider toxin have been determined so far. their molecular weights were varied from 3 to 12kd except for black widow spider toxins, which were high molecular mass types. there were plenty of cysteine residues in their sequences
至今已有近百種蜘蛛神經毒素的一級結構被測定,除黑寡婦蜘蛛毒素為高分子量毒素外,其他蜘蛛神經毒素的分子量在3 - 12kd之間,不同種屬來源的毒素同源性很小,序列中含有較多的半胱氨酸。
分享友人