皮皮学，免费搜题
登录
搜题
【判断题】
集成运放电路的电源端可外接二极管防止电源极性接反。()A.
正确
B.
错误
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【判断题】Fungi differ from bacteria in a number of characteristics. The cell walls in fungi are composed of chitin while the cell walls of bacteria are composed of peptidoglycan
A.
正确
B.
错误
【单选题】The cell walls of Gram-positive and Gram-negative bacteria ()
A.
are the sites of spore formation
B.
both contain peptidoglycan
C.
re connected to the cell nucleus by the endoplasmic reticulum
D.
are composed exclusively of proteins
【单选题】Fungi differ from bacteria in a number of characteristics. The cell walls in fungi are composed of ( )while the cell walls of bacteria are composed of peptidoglycan
A.
chitin
B.
phospholipids
C.
protein
D.
glucosamine
相关题目：
参考解析：
知识点：
题目纠错 0
发布
