A scientist goes on an expedition to Greenland and finds an unknown organism. She then analyzes the DNA and confirms that the strand she has contains 1000 total nitrogenous bases. She continues to analyze it further and realizes the strand has 200 adenines. She needs to determine how many cytosines exist in that sample.

Acladogram is a branching diagram that represents suggested evolutionary relationships among organisms based on the presence of unique traits. a scientist discovers a new organism that lacks limbs and does not have a true backbone. the organism lays eggs to produce offspring and has a cartilage-like rod known as a notochord running along its dorsal surface. on the cladogram below, select the species to which the newly discovered organism is most closely related.

Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight

What is the problem in this article? what solution does the article propose?