Devyn B.

06/07/19

The molecules in a membrane that limit its permeability are __________________. A. phospholipids B. proteins C. water D. negative ions E. carbohydrates

Follows • 1

Answers •2

06/05/19

positive and negative feedback?

I want to know more about positive feedback in gene regulation and to know the similarity and differences between positive and negative feedbacks.

Follows • 1

Answers •1

Geometry

06/05/19

823 foot ladder is placed against a vertical wall of a building with the bottom of the latter standing on level ground 8 feet from the base of the building how high up the wall does the Ladder reach

Follows • 1

Answers •2

Biology

06/05/19

Which bacteria is more advanced in terms of evolution? Obligate or facultative.

Follows • 1

Answers •1

Biology Cancer Cell Biology

06/01/19

What are the sizes of the cells that make up human hair?

The question is in the title, but I'll explain why the question arose. I'm curious about the rates that various cells in the body divide, and have found various information relating to this, but... more

Follows • 1

Answers •1

Biology Cell Biology Proteins

06/01/19

How do cells relocate transmembrane proteins from one side of the cell to the other? Is it possible?

Is there a process by which cells can relocate proteins residing on the cell membrane in areas of low demand to that of a high demand location somewhere else in on the cell? What's that process... more

Follows • 1

Answers •2

Proofreading Creative Writing Editing

06/01/19

Is writing three drafts really necessary?

So I understand the first draft which is basically writing whatever comes to mind but I don't understand why we have to rewrite it three times. Can someone please explain to me? What exactly do we... more

Follows • 2

Answers •2

Biochemistry Dna Molecular Biology

06/01/19

Why is the DNA helix anti-parallel?

Why is it that DNA strands are running in anti-parallel fashion? Given the chemical base-pairing, they could have been parallel just as well.

Follows • 1

Answers •1

Psychology

05/26/19

What determines a person's "fight, flight, or freeze" response?

I understand what the response itself is; when a human is confronted with a real threat, their instinct is to fight the threat, flee from it, or they just freeze in terror.I'm wondering what the... more

Follows • 1

Answers •1

Biology Cell Biology Proteins

03/19/19