Exam 16: Biomolecules: Lipids and Nucleic Acids

Consider the following structure. a) Circle my nucleoside. b) Draw a box around any nurleatide c) Identify as DNA GI RNA.

Rank DNA, mRNA, and tRNA from largest to smallest.

The major lipid components of cell membranes are:

Draw the structure of calcium oleate. Would this substance be soluble or insoluble in water?

What sequence of bases on the second strand of DNA is complementary to the following? (5') GCATTA (3')

A double-stranded DNA molecule that contains 22%, on a mole basis, T must also contain

Instructions: Draw the structures of the major organic product(s) you would expect to obtain from reaction of androsterone with the reagents listed below. androsterone Draw major product(s):

Which reagent is used to accelerate coupling reactions in both laboratory peptide synthesis and laboratory DNA synthesis?

Which of the following is a definition of messenger RNA (mRNA)?

In humans, most steroids function as:

Chemically, these are triacylglycerols, triesters of glycerol with three long-chain carboxylic acids.

Draw the structure of glyceryl trimyristate and compare its melting point to that of glyceryl tristearate.

Which of the following would be expected to be found in higher concentration in butter versus olive oil?

When soaps disperse in water, the long hydrocarbon tails cluster together in a hydrophobic ball, while the ionic heads on the surface of the cluster stick out into the water. These spherical clusters are called:

What sequence is fully complementary to the following sequence? (5') ATCTAGTCA (3')

What mRNA sequence is complementary to the following DNA base sequence? (5') TAAGGCGATA (3')

Male sex hormones like testosterone are called:

Which of the following is 2-deoxy-D-ribose?

Which of the following is deoxyadenosine?

The bond between the nitrogenous base and the sugar in a nucleoside is a glycosidic bond. Which type of reagent should cleave this bond?