why do myelinated axons of frog having diameter of 3.5um conduct impulse at 30m/s whereas axons of same diameter in cat conduct impulses at 90m/s​

Cattle with brown fur and cattle with white fur will produce a reddish roan calf . when examined closely, the calf show about an even number of brown hairs and white hairs that give a reddish appearance when viewed from far away. the fact that both the brown fur allele and the white fur allele are expressed equally in the offspring is an example of

Drag the tiles to the correct boxes to complete the pairs. match wach fossil with the layer where it’ll be present based on these condition

How do bacteria protect their genetic material and cytoplasm during harsh conditions