#Question id: 945
#Unit 1. Molecules and their Interaction Relevant to Biology
A key precursor in the synthesis of aromatic amino acids (tryptophan, tyrosine and phenylalanine) is ________.
#Question id: 8913
#Unit 9. Diversity of Life Forms
#Question id: 4744
#Unit 8. Inheritance Biology
Assume that long ear lobes in humans are an autosomal dominant trait that exhibits 50% penetrance. A person who is heterozygous for long ear lobes mates with a person who is homozygous for normal ear lobes. What is the probability that their first child will have long ear lobes.
#Question id: 11129
#Unit 7. System Physiology – Animal
Which of the following statements concerning the neuronal membrane at rest is correct?
#Question id: 86
#Unit 1. Molecules and their Interaction Relevant to Biology
Examine the cyclic D-monosaccharide shown below. The ring structure is the ________ and the linear form of this monosaccharide must be a/an ________.