Top answers


Describe the types of movement of substances across a partially permeable membrane

Facilitated diffusion - the movement of substances down a concentration gradient via a membrane protein. Active transport - the movement of substances against a concentration gradient which requires energy/A...
RT
Answered by Rachael T. Biology tutor
3846 Views

Name and describe the cell division process in human tissue cells

The process of cell division in human tissue cells is called mitosis. Before the cell begins to divide, it grows and duplicates all the sub-cellular structures like ribosomes and mitochondria. Inside the nuc...
ST
Answered by Sophie T. Biology tutor
2926 Views

Explain the cycle of thermoregulation in humans

What is thermoregulation? A way to maintain the bodies temperature through feedback mechanisms to keep the temperature at 37 degrees, which is optimal for functioning. 2)What are the components of thermoregu...
KT
Answered by Krupa T. Biology tutor
3129 Views

Explain how two different species of rabbits could have developed from a common ancestor?

The population of rabbits (common ancestor) must have gotten seperated to form two populations. This could have happened due to a geographical barrier (such as an earthquake) . These two environment must hav...
PJ
Answered by Precious J. Biology tutor
4003 Views

Translation occurs in living cells. Explain how translation is carried out, from the initiation stage onwards.

Translation is the process where mRNA in the cytoplasm becomes a functional protein. Translation follows transcription, where an mRNA for a protein-coding gene is made. The mRNA leaves the nucleus through po...
TM
Answered by Tessa M. Biology tutor
5267 Views