Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?
Mitochondrion
Lysosome
Ribosome
Chloroplast
Related Questions
Which of the following is true for nucleolus ?
It is a site for active ribosomal RNA synthesis.
Larger nucleoli are present in dividing cells.
It takes part in spindle formation.
It is a membrane-bound structure.
Which of the following cellular components lack a surrounding membrane?
Ribosomes
Lysosomes
Endoplasmic Reticulum
Golgi Apparatus
Subunits in prokaryotic ribosomes are
60S, 40S
50S, 30S
40S, 30S
50S, 20S
In chloroplasts, chlorophyll is present in the
Outer membrane
Inner membrane
Thylakoids
Stroma
Single membranous cell organelle is
Mitochondria
Lysosome
Chloroplast
Ribosome
Cytoskeleton is made up of
Calcium carbonate granules
Callose deposits
Cellulosic microfibrils
Proteinaceous filaments
All of the following are true about meiosis EXCEPT:
It reduces the chromosome number by half.
It produces four haploid cells.
It introduces genetic variation.
It produces two identical cells.
Mark the incorrect about ribosomes
Smallest cell organelle
Membraneless
Found in cytoplasm of prokaryotes
Not found in double membrane bound cell organelles of any eukaryotes.
Which of the following statements regarding chromatin organization are correct?
(a) Euchromatin is loosely packed and transcriptionally active.
(b) Heterochromatin is densely packed and transcriptionally inactive.
(c) The nucleosome core particle consists of a histone octamer wrapped by negatively charged DNA.
(d) Histones are rich in basic amino acids like lysine and arginine.
(e) A typical nucleosome contains approximately 200 bp of DNA helix.
a, b, c
a, c, d
b, c, e
a, b, c, d, e
Golgi body originates from
Lysosome
Endoplasmic reticulum
Mitochondria
Cell membrane
