How would you describe the structure of the cell membrane?

fluid and mosaic

explanation:

the fluid mosaic model describes the structure of a cell membrane. it indicates that the cell membrane is not solid. it is flexible and has a similar consistency to vegetable oil, so all the individual molecules are just floating in a fluid medium, and they are all capable of moving sideways within the cell membrane. mosaic refers to something that contains many different parts. the plasma membrane is a mosaic of phospholipids, cholesterol molecules, proteins and carbohydrates.

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the correct answer is: b. pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction.  

because involves two organisms (parents) whose genetic material combines, sexual reproduction leads to genetic variation in new generations of offspring. the offspring is an unique organism, with new genome, more protected with the higher ability to adapted. this process is fundamental to evolution.

all these collisions do one thing, and that thing is explained in the last option. when dusst, rocks and ice collide, they harden and form giant layers of rocks or hard ice.

d)   to harden materials to form different parts of earth’s layers

hope it ,

bioteacher101