Search over 10,000 free study notes
Over a million students use our free study notes to help them with their homework
Top answers
What is the difference between mitosis and meiosis?
Simply enough, Mitosis creates two cells that have the same number of chromosomes and identical chromosomes to the original cell and Meiosis creates 4 cells that have half the amount of chromosomes that are ...
BF
Answered by
Benjamin F.
•
Biology tutor
3933 Views
Using your knowledge of natural selection and speciation, suggest how new species can evolve from the same common ancestor.
Speciation requires reproductive isolation. This is where the members of different populations are unable to interbreed to produce fertile offspring.Reproductive isolation could have been caused by a physica...
Answered by
•
Biology tutor
2940 Views
What is the role of ADH in the regulation of water in the body (osmoregulation)?
ADH (anti-diuretic hormone) is released by the pituitary gland in the brain. Differing amounts of ADH are secreted by the pituitary gland depending on the concentration of water in the blood plasma, which is...
LM
Answered by
Laura M.
•
Biology tutor
8108 Views
How is a sperm cell adapted to its role?
Since the sperm cell's role is to swim to the egg and fertilise it, it requires a tail for movement. The middle piece is full of mitochondria to provide energy so that the sperm cell can swim and reach the e...
PB
Answered by
Patricia B.
•
Biology tutor
9630 Views
What is/what is the difference between, transcription and translation?
Transcription is the process of of copying DNA information from a DNA strand, to form an mRNA, that can later be used to produce a protein in translation. Transcription will involve the double helix of DNA o...
TP
Answered by
Tasneem P.
•
Biology tutor
3768 Views
←
92
93
94
95
96
→