The arrangement of microtubules in eukaryotic flagella is referred to as _________.
undulating
basal
9 + 2
ciliary
The bacterial cell wall is composed of ________.
a phospholipid matrix.
a lipoprotein.
a polymer of sugar.
a structural protein.
The smooth ER is especially abundant in cells that synthesise extensive amounts of __________.
toxins
proteins
enzymes
lipids
The term ' nuclear envelope ' is more correct than the term ' nuclear membrane ' because -
the enclosure has pores which membrane do not.
the enclosure is made up of 2 membranes.
the chemical composition is inconsistent with cellular membranes.
None of the above.
Most cells are very small. A typical eukaryotic cell, both plant and animal will occur in which of the following size ranges?
1mm to 100µm
100µm to 10µm
10µm to 1µm
100nm to 10nm
'Totipotency' refers to.
Ability of a cell produce new cells .
Ability of a plant cell to produce complete plant .
Ability of a cell to produce new organs .
Ability of an animal cell to morphogenesis .
Electron microscope have a much higher resolution than either the human eqye or any light microsope because
Of their higher magnification
Lenses used are high quality
Of very shortlength of electrons .
Images viewed on screen