1: What is the uncharged, inner region of a lipid molecule
2: What is the charged, outer region of a lipid molecule
3: What is the passageway that allows necessary molecules to move in and out of a cell
4: What is the building block of cell membranes?
5: What is the structure of a cell membrane?
These are all crossword puzzle answers, so I don't need detailed answers, just one word answers. Thanks
2007-01-22 08:24:45 · 4 answers · asked by Zero 2 in Science & Mathematics ➔ Biology
Honnestly, I can't answer all the questions (and the question 5 would be too long and too complicated to explain) but here is a very good site.
http://www.ncbi.nlm.nih.gov/books/bv.fcgi?call=bv.View..ShowTOC&rid=mboc4.TOC&depth=2
Hope it can help you!
2007-01-22 08:33:37 · answer #1 · answered by Antares 1 · 0⤊ 0⤋
The second answerer's answers are confusing enough to make sense... you just answered an important question for me: If I have a choice, will I take honors science in high school next year... don't intimidate an 8th grader!
2007-01-22 08:57:45 · answer #2 · answered by Caroline 7 · 0⤊ 0⤋
a million.) C - uncomplicated definition of a organism 2.) D - Gel electrophoesis is used to seprate DNA, proteins, and different macromolecules 3.) D - RNA could be catalytic, yet can purely form secondary platforms, no longer tertiary and quarternary. solid success.
2016-12-12 17:49:32 · answer #3 · answered by parenti 4 · 0⤊ 0⤋
1. hydrophobic or nonpolar
2. hydrophilic or polar
3. channel or pore
4. phospholipid
5. phospholipid bilayer
2007-01-22 08:44:29 · answer #4 · answered by ALM 6 · 0⤊ 0⤋