Which of these is a characteristic of a monocot plant? a. two seed leaves b. leaf veins in a net pattern c. flower parts grouped in threes d. vascular bundles arranged in a ring in the stem

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different

Which of these is one of the nitrogenous bases in dna? a. proline b. leucine c. glycine d. thymine