Contained in amino acids, proteins, nucleic acids, chlorophyll.
Choose the letter of the best match:
A. nitrogen
B. calcium
C. potassium
D. phosphorus
E. magnesium
A. nitrogen
Nitrogen is an important element in amino acids, nucleic acids and chlorophyll.
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A male develops a trait that makes it a more attractive mate to females. What type of selection is occurring?
a. disruptive b. dominant c. gender d. mating e. sexual
The way in which an organism utilizes its environment may be called
A. resource partitioning. B. its habitat. C. competitive exclusion. D. intraspecific competition. E. its niche.
Although they are two different types of connective tissue, cartilage and bone have what feature in common?
a. lacunae and Haversian canals b. canaliculi and Haversian canals c. lacunae and canaliculi d. lamellae only e. lacunae only
How did the rice genome project influence other genome projects?
A. It was the first genome sequenced, so it proved it could be done. B. It sped up the analysis of the human genome, since rice has even more genes. C. It sped up the genome analysis of other cereal crops, due to synteny. D. It helped analysis of all genomes, since it was the basis of the ENCODE algorithms.