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Which step comes first in the translation of mRNA to protein (protein synthesis)?

The molecule TDP is a nucleotide like ADP (adenosine diphosphate) except with thymine as the base instead of adenine.  How many phosphate groups does TDP have?

Consider the following image:     What does the “?” in the image represent?

Which of the following amino acids is *mostly likely* to dissolve into water?

The solubility limit of phenylaniline, a fairly hydrophobic amino acid, (molecular weight: 165.16 g/mol) in water at 25C is 26.4 g/L.  What is this solubility limit in terms of Molarity (mol/L)?

Which of the following carbohydrates would be most difficult for our bodies to digest?

Consider the list of amino acids below.  Which of the follow is most likely to have a net positive charge at physiological pH?

Below is a piece of DNA.    5′-CCGTCAAT-3′   Which of the following pieces of DNA would bind to it most strongly?

Which of the following is most likely to be a possible chemical formula for a monosaccharide?

Which of the following could be part of the tertiary structure of a peptide that contains multiple Aspartic Acid and Arginine amino acids?