Evolutionary biology extends and amplifies the explanation of biological phenomena. It complements studies of the proximate causes (immediate, mechanical causes) of biological phenomena If we ask what causes a male bird to sing, the proximate causes include the action of testosterone or other hormones

TLS Online TPP Program

#Question id: 54

#Unit 1. Molecules and their Interaction Relevant to Biology

About 25 of the 92 natural elements are known to be essential to life. Which 4 of these 25 elements make up approximately 96% of living matter?

TLS Online TPP Program

#Question id: 55

#Unit 1. Molecules and their Interaction Relevant to Biology

The standard free energy change for the reaction A → B is −15.0 kJ · mol−1. What is the equilibrium constant for the reaction at 25°C?

TLS Online TPP Program

#Question id: 57

#Unit 1. Molecules and their Interaction Relevant to Biology

A(n) ________ has charge but negligible mass, whereas a(n) ________ has mass but no charge.

TLS Online TPP Program

#Question id: 58

#Unit 1. Molecules and their Interaction Relevant to Biology

A covalent chemical bond is one in which ________.

TLS Online TPP Program

#Question id: 60

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is true for the reaction?

3H₂ + N₂   2NH₃

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#Question id: 61

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following correctly describes chemical equilibrium?