Top answers


What is the role of mRNA in protein synthesis?

mRNA stands for messenger RNA. Essentially, once the strand of DNA is unwound and flattened, it is separated into its two strands. Then the bases on each DNA strand are read in groups of three. These are cal...
EC
Answered by Esthel C. Biology tutor
14163 Views

How to be fully prepared for the exam?

practice practice practice
NR
Answered by Nazrin R. Maths tutor
3455 Views

Quel est ton passe-temps préféré?

Personellement j'adore le foot, donc chaque weekend j'aime jouer au foot avec mes amis dans le parc, surtout pendant l'été quand il fait chaud. Le samedi dernier j'ai regardé un match avec mon père mais malh...
RM
Answered by Rebecca M. French tutor
10771 Views

How do glucose and oxygen get into the blood to be used for respiration?

When we breathe we inhale oxygen from the air into our lungs. The alveoli are tiny air sacs in the lung where oxygen diffuses into the blood via small blood vessels, known as capillaries. The blood in these ...
AP
Answered by Anna P. Biology tutor
42189 Views

How is a root hair cell specialised to its function?

Root hair cells have a very large surface area due to them being very long and having hair like projections. This allows more active transport of mineral ions to take place so the plant is able to take in as...
EB
Answered by Emily B. Biology tutor
127317 Views