Cell walls...
A) are manufactured from pigments in the chloroplast
B) produce cilia for locomotion
C) are found inside the plasma membrane
D) are unique to plant cells
E) help hold plants upright, against gravity
2006-11-12 08:56:19 · 8 answers · asked by Krupa 1 in Science & Mathematics ➔ Biology
E is the best answer.
A is wrong because cell walls don't contain pigments, and in plants, they are made of cellulose.
B is wrong because plant cells don't have cilia.
C is wrong because the cell wall is outside of the plasma membrane.
D is wrong because fungi and bacteria also have cell walls, but they're not made of cellulose.
2006-11-12 08:59:25 · answer #1 · answered by hcbiochem 7 · 1⤊ 0⤋
E is correct. They support plants, simple.
Bacteria have cell walls, or at least some of them do.
The membrane is inside the cell wall.
Cell walls do not produce anything, they are only permeable.
pigments are colors, and are not structually compatible with a cell wall.
2006-11-12 09:00:03 · answer #2 · answered by ncc1701bulldog 1 · 0⤊ 0⤋
The answer is D, they are unique to plant cells. Animal cells have cell membranes unlike plants which have cell walls.
2006-11-12 08:59:52 · answer #3 · answered by shanerox2005 1 · 0⤊ 0⤋
No, the cellular wall and cellular membrane are distinctive. once you're making your sort, be useful to entice the cellular wall interior the form of a rectangle as this is stiff and inflexible so as that it may help and preserve flora, that are usually motionless. once you're making the cellular membrane, draw it in a rounded shape or in simple terms draw a blob because of the fact this is nowhere as annoying because of the fact the cellular wall. Animal cells don’t desire a stiff cellular membrane because of the fact they circulate around and are not as vulnerable to risk as flora are, and hence do no longer desire as lots secure practices. to your sort, you may use a field (for rings/a shoebox, counting on the dimensions) for the cellular wall, and 0.5 of a styrofoam ball for the cellular membrane.
2016-12-17 08:56:07 · answer #4 · answered by ? 4 · 0⤊ 0⤋
D they are on plants for keeping them enclosed to outer substances. they do not have a semipremiable membrane.
2006-11-12 18:32:14 · answer #5 · answered by brownie 2 · 0⤊ 0⤋
E, fungi also have cell walls
2006-11-12 09:28:23 · answer #6 · answered by Ralph 5 · 0⤊ 0⤋
E! yay for Bio Majors.
2006-11-12 09:05:12 · answer #7 · answered by Anonymous · 0⤊ 0⤋
The correct answer is E. The first answer is absolutely correct.
2006-11-12 10:37:29 · answer #8 · answered by Empress Sky 2 · 0⤊ 0⤋