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Which of these 5 friends are the oldest and youngest given that: Lee is younger than Sam, Kay is older that Tom but younger than Lee, Tom is younger than Lee, Ian is younger than Tom and Sam is older than Tom

Oldest: SamYoungest: Ian
Age order (youngest to oldest): Ian, Tom, Kay, Lee, Sam

1044 Views

What is bounded rationality?

Bounded rationality is a behavioural economics theory which suggests the cognitive, decision-making capacity of humans can't be fully rational due to a number of limits we face. This contrasts with tradit...

Answered by Natalie K. • Economics tutor

2194 Views

Outline the folding of a protein to form its 3D structure.

Folding of proteins occurs in 4 distinct stages: primary, secondary, tertiary and quaternary. Primary structure is the formation of the amino acid (peptide) sequence, here the amino acids are joined toget...

Answered by Olga G. • Biology tutor

3136 Views

Explain the differences between aerobic and anerobic respiration in terms of the roles of co-enzymes

During aerobic respiration, NAD and FAD collect protons and electrons from respiratory substrates. These electrons can be released into the transport chain of the mitochondrial matrix because oxygen is pr...

Answered by Solomon B. • Biology tutor

2528 Views

The line y = (a^2)x and the curve y = x(b − x)^2, where 0<a<b , intersect at the origin O and at points P and Q. Find the coordinates of P and Q, where P<Q, and sketch the line and the curve on the same axes. Find the tangent at the point P.

Firstly, for the points of intersection we need to equate the two expressions for y. Since we know that they intersect at the origin, we can immediately cancel the x values and then solve the quadratic fo...

Answered by Josh B. • Maths tutor

6390 Views