What are the primary
reasons for producers choosing not to use artificial insemination in cattle

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

I've created a synthetic cellular membrane that is made up of phospholipids, but contains no proteins. which of the types of movements across a membrane would not function with my synthetic membrane?

What is the type of asexual reproduction represented inside the box ? answer this