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Describe the function of ribosomes in protein synthesis.

Ribosomes, which are made up of rRNA, are instrumental in the translation of mRNA into proteins. The ribosome has a large and a small subunit, which sandwich around a strand of mRNA. This mRNA attaches to th...
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Answered by Luke G. • Biology tutor
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Summarise the vessels of the heart and their function

(during this discussion I would use a diagram of the hear to point out appropriate parts) The Aorta is the body's largest artery, It carries oxygenated blood from the Left verntricle to the body. The superio...
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Answered by Gabriella L. • Biology tutor
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Define the FITT principle

F- frequency I- Intensity T-time T-type
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what words describe the following movements: a) If I move my arm from down by the side of my body and lift it to horizontal b) If I return my arm back to the side of my body

a) Abduction b) adduction
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It takes 1.8s to drop a ball of a bridge. How high is the bridge and what speed is reached?

t= 1.8s a=-9.81ms - 2 v=u+at v= -9.81 x 1.8 =17.658 m/s s= ut + 1/2 at 2 (as u is 0 s= 1/2 at 2 ) s = 1/2 x 9.81 x 1.8 2 = 15.9m
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Answered by Gabriella L. • Physics tutor
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