Ch 3

In sickle cell disease, malformation of red blood cells is caused by only one mistake for one amino acid in the genetic code for hemoglobin.

True

Which of the following elements would be found in a carbohydrate?

C, H, O

Deoxyribose is a sugar found in ________.

DNA

Refer to the figure. Which of the following is true regarding the labeled plasma membrane?

Parts W and Z are hydrophilic.

A gene in DNA is the code for ________.

a sequence of amino acids

A fat is formed when three fatty acids join a glycerol by a ________.

dehydration reaction

Which of the following is in correct order from smallest to largest?

peptide - polypeptide - protein

Amino acids are seen in ______ as _______ are needed to create DNA.

protein; nucleotides

The "primary structure" of a protein refers to

the number and sequence of amino acids.

A fatty acid that has at least two double bonds is called _________.

unsaturated