Although often described as somatic cell division, ________ is actually division of the nucleus?
meosis
mitosis
cytokinesis
interphase
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
Facilitated diffusion differ from diffusion is that in facilitate diffusion.
Molecules passes from low to high concentration.
Need of energy
Need of membrane proteins
Need of plasma membrane
The bacterial cell wall is composed of ________.
a phospholipid matrix.
a lipoprotein.
a polymer of sugar.
a structural protein.
Which of the following organelles is found in plant cell but not in animal cell?
ribosomes
mitochondria
ER
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
Within chloroplasts, light is captured by ________.
grana within cisternae.
cisternae within grana.
grana within thylakoids.
thylakoid within grana.
