What does "light pollution" refer to?
a. diminished natural lighting
b. rapid proliferation of artificial lighting
c. rapid proliferation of natural lighting
d. diminished artificial lighting
Ans: b. rapid proliferation of artificial lighting
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Which of the following correctly lists the structures in order from smallest to largest?
a. nucleotide, DNA, chromatin, genome b. genome, chromatin, nucleotide, DNA c. DNA, nucleotide, genome, chromatin d. chromatin, genome, DNA, nucleotide
Based on the position of the continents in Earth’s history, you would expect the organisms of Australia to be more closely related to those of:
1.Europe
2.Asia
3.North America
4.South America
Echinoderms do not:a
develop as deuterostomes. b. fall within the group Bilateria. c. show evidence of segmentation. d. fall on the eumetazoan branch of animals. e. fall within the group Deuterostomia.
Which of the following can act as a vector to introduce new genes into a cell?
A) primers B) ligase C) restriction enzymes D) plasmids