BIOL113 Midterm exam 2 (2015 version) 50 questions

Question

1. What is the substance required to cleave the vector DNA during recombinant DNA technology?

DNA ligase

vectors

plasmids

DNA helicase

restriction enzymes

2. Anatomical features that are fully developed and functional in one group of organisms but reduced and functionless in a similar group are termed

homologous.

sympatric.

analogous.

vestigial.

polygenic.

3. All living organisms share characteristics such as: DNA, the molecule that passes information between generations, metabolic processes like glycolysis and the ability to utilize specific energy sources. This is thought to be due to

Biological evolution

The presents of transitional forms

Limited environmental stimuli

Prezygotic isolation

Postzygotic isolation