Examine the structural formula below. Which of the following biomolecules is best represented by this formula?
A.
nucleic acid
B.
lipid
C.
carbohydrate
D.
protein

The intervention of extraterrestrials has been used to explain the bermuda triangle, a region of the atlantic ocean where ships and planes are frequently lost, leaving no evidence behind. how would this explanation best be characterized?

In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.

Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above