题目内容
（请给出正确答案）
提问人：网友cosmosht
发布时间：2022-01-07
[主观题]
Question：What are the steps involved in the business research ？
简答题官方参考答案
（由简答题聘请的专业题库老师提供的解答）
抱歉！暂无答案，正在努力更新中……
A、consist of protein molecules embedded in a fluid bilayer of phospholipids
B、consist of a mosaic of polysaccharides and proteins.
C、are a phospholipid bilayer between two layers of hydrophilic proteins.
D、are a single layer of phospholipids and proteins.
