Humans are diploid organisms, containing two sets of chromosomes. How many sets of chromosomes does wheat, Triticum aestivum, have?
A. 1
B. 6
C. 8
D. 2
E. 4
Answer: B
You might also like to view...
When selecting among multiple possible phylogenetic trees that fit our data, we use the principle of ____ , which means we choose the ____ possible hypothesis
In phylogenetic analysis, that means selecting the tree that represents the ____ evolutionary changes or mutations. Fill in the blank with the appropriate word.
The role of folding and secretion of proteins in eukaryotes and archaea is facilitated by the use of ________ protein systems.
Fill in the blank(s) with the appropriate word(s).
Researchers first discovered the existence of hormones by studying secretions from the ________.
A. adrenal glands B. pancreas C. gonads D. thymus gland E. pineal gland
Which are examples of advantages that different species might have due to living in a group? (Check all that apply.)
A. A flamingo in a large flock may have trouble competing for food. B. Wolves in a pack can take down larger prey than those alone. C. Because of their social nature, diseases like rabies can spread quickly through a bat colony. D. Zebras in a herd have added protection from predators. E. A colony of termites can build mounds over 20 feet high, with elaborate tunnels and ventilation systems.