Top answers

Describe the process of natural selection.

Within any population, there is naturally variation between organisms because they all have differences in their genes. The organisms that are best suited to the environment that they live within are most li...
OA
Answered by Ollie A. • Biology tutor
7137 Views

By which two processes does glucose enter cells in the human body?

Active transport and diffusion
CD
Answered by Chloe D. • Biology tutor
2915 Views

Describe the stages used to produce a cloned mammal (5 marks)

The egg cell must first be enucleated through the process of removing the nucleus from the surrogate mother’s egg. An adult cell nucleus from the desired mother is then inserted into the enucleated egg. This...
KW
Answered by Katharine W. • Biology tutor
8128 Views

Glucose is filtered out of the blood, but is not found in urine. Explain why glucose is not present in urine

Glucose is filtered out of the blood in the glomerulus of the kidneys. All of the glucose is then is actively transported back into the capillaries in the area of the nephron called the proximal convoluted t...
AC
Answered by Alex C. • Biology tutor
17136 Views

What is the difference between Mitosis and Meiosis?

Mitosis occurs in all human cells, producing two genetically identical daughter cells containing a full set of chromosomes (diploid). This process takes place to replace old cells, in wound healing and in gr...
OS
Answered by Ottilie S. • Biology tutor
3168 Views