please bro , help me
Answers
Explanation:
1- onion Pell
2-glycerin
3-
4-Robert brown
5-no nucleus in phloem sieve tube
6- plasm membrane,cytoplasmic membrane
7-(a) gently handel the microscope
(b) gently pluck the cheek cell.
8-(a) nucleus control and regulate the cell
(b)It control the heredity characteristic of an organism
9-(a) microscope
(b) a glycerine
(c) onion Pell
10-prokarayotic cell
(a)- seperate cell from the external environment
(b) control passage of water and ion
- Eukaryotic cell
(a) eukaryotic cell synthesis of protein and ribosomes
(b) the eukaryotic cells have a true cell
1. a - the material which is scrapped from cheek.
2. c - both ( methylene blue, glycerine )
3. Prokaryotic
4. Robert Brown
5.d- all the above
6th di teliyadu naaku.telugu aah?
7. a. Donot scrape the cheek too hard as it may injure you.
b. Scrapped material should be spread uniformly on the slide.
c.Excess stains should be drained off.
d. There should be no air-bubbles under the cover slip.
8. a. The nucleus plays a very important role in the cell. It controls all functions of the cell. It controls cell division.
b. Nucleus contains chromosomes. These chromosomes contains DNA and proteins.
9. To observe a nucleus the materials required are-
a tooth pick or ice-cream spoon or spatula,glass slide, coverslip, watch glass, needle, blotting paper, 1% methylene blue, normal saline, glycerine, microscope.
