Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 12-science Answered

What are the differences between eukaryotic and prokaryotic cells?
question image
Asked by pranil.patil | 07 Feb, 2018, 06:33: PM
answered-by-expert Expert Answer

Differences between prokaryotes and eukaryotes:

PROKARYOTIC CELL

FEATURE

EUKARYOTIC CELL
  • Absence of well-defined nucleus

Nucleus
  • Presence of well-defined nucleus with a nuclear membrane
  • Absent

Nucleolus
  • Present
  • Presence of a single length of only DNA 

Genetic material
  • Presence of several lengths of DNA wound around certain proteins
  • Presence of smaller ribosomes

Ribosomes
  • Presence of larger ribosomes
  • Absence of other cell organelles

Cell organelles
  • Presence of several other cell organelles such as mitochondria, endoplasmic reticulum, chloroplasts etc.
  • Cell division occurs by fission or budding but not by mitosis

Cell division
  • Cell division occurs by mitosis or meiosis
  • Bacteria, blue-green algae

Examples
  • Euglena, Amoeba, plants, animals
Answered by Sivanand Patnaik | 07 Feb, 2018, 06:43: PM

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 12-science - Biology
what is growth
Asked by redw9236 | 15 Apr, 2024, 11:30: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
If the sequence of nitrogen bases of the coding strand in a transcription unit is 5'-ATGAATG-3', the sequence of bases in its RNA transcript would be (A) 5'-AUGAAUG-3' (B) 5'-UACUUAC-3' (C)5' -CAUUCAU - 3' (D) 5'-GUAAGUA-3'
Asked by sagarmishra | 19 Mar, 2024, 05:59: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
A phenomenon where a male insect mistakenly identified the patterns of a orchid flower as the as the female insect partner, and tries to copulate and thereby pollinates the flower is said to be  a. Pseudocopulation b. Pseudopollination c. Pseudoparthenocarpy d. Pseudofertilisation  
Asked by rashmij34 | 19 Mar, 2024, 05:59: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
what is reproduction
Asked by rounakguita | 19 Mar, 2024, 12:37: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
event of pregnancy
Asked by daminicherom08 | 16 Mar, 2024, 07:44: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
what is placenta?
Asked by nashifaafroj | 18 Jan, 2024, 11:38: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
treatment of cancer
Asked by armanchahar266 | 09 Jan, 2024, 10:52: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
Write a note on the transgenic pest resistance plant  
Asked by neet14077 | 09 Jan, 2024, 10:43: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
are sexual characters affected by environment
Asked by suhailshowkat935 | 31 Dec, 2023, 07:06: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
the barrier in the innate immunity are given in the following table
Asked by hm6929460 | 27 Dec, 2023, 08:10: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×