kill me

What is a hypothesis?

A tentative explanation that can be tested and is falsifiable.

Which of the following would be the most appropriate method to observe the three-dimensional structure and organisation of microvilli on an intestinal cell?

Scanning electron microscopy

The phosphodiester bonds that link adjacent nucleotides in both RNA and DNA:

Join the 3' hydroxyl of one nucleotide to the 5' hydroxyl of the next.

Polysaccharides, triacylglycerides, and proteins are similar in that they

Are synthesized from subunits by dehydration reactions.

Building blocks of nucleic acids are

Nucleotides

There are 20 different amino acids commonly found in proteins. What makes one amino acid different from another?

Different side chains (R groups) attached to a carbon atom.

Folded biological macromolecules have specific conformations because

Weak interactions bring different parts of the molecule together.

At which level of protein structure are interactions between the side chains (R groups) of amino acids most important?

Tertiary

The function of a protein is determined by -

Primary, Secondary, Tertiary and Quaternary Structure

What component of amino acid structure varies among different amino acids?

The components of the R group

If ¹⁴C-labelled uracil is added to the growth medium of cells, what macromolecules will be labelled?

RNA

Is Glucose a polymer?

No