Polyhydroxybutyrate (PHB) granules in prokaryotes serve primarily as a reserve of:
Nitrogen
Phosphorus
Carbon and energy
Sulfur
Related Questions
Prokaryotic cells are generally….. and multiply more rapidly than the eukaryotic cells
Large
Small
Convex
Biconcave
Most prokaryotic cells, mainly the bacterial cells, have
A chemically complex cell envelope
A chemically simple cell envelope
Cell envelope only in the form of a cell membrane
No cell envelope
Which one of the following remains absent in prokaryotes?
Nuclear membrane
Ribosome
Cell wall
Plasma membrane
Which statement is not true about prokaryotes?
They contain ribosomes
Their DNA is usually circular
Most have a cell wall
They contain membrane-bound organelles
In prokaryotic cells,
Internal compartments are absent
Nucleus is absent
Ribosomes are 70S
All of the above
Which of the following statement is correct about the cell wall of prokaryotic cell?
I. Cell wall, if present, possesses muramic acid
II. Cell wall, if presents, possesses acitic acid
III. Cell wall is always absent
The correct options is
I only
II only
III only
I and II
The 70S ribosomes of prokaryotes are composed of which subunits?
60S and 40S
50S and 30S
40S and 20S
80S and 60S
Read the following statements and select correct options for prokaryotic cells
I. They are generally smaller than eukaryotic cells
II. They multiply more rapidly than the eukaryotic cells
III. They are presented by bacteria, BGA mycoplasma and PPLO (Pleura Pneumonia Like Organism)
II and I
II and III
I and III
I, II and III
Which structure is primarily responsible for the motility of many bacteria?
Pili
Flagella
Fimbriae
Capsule
