Which of the following is true about nucleic acids?
i. nucleic acids always consist of a five-carbon sugar, a nitrogenous base, and one or more phosphate groups.
ii. both dna, which stores genetic information and encodes protein sequences, and rna, which is involved in the direct production of proteins, are nucleic acids.
iii. nucleic acids are usually insoluble in water and are used for long term energy storage.
iv. glucose, cellulose, and starch are examples of nucleic acids found in most cells.
answer choices:
a. ii only
b. i and ii only
c. i, ii, iii, and iv
d. i, iii, and iv only

What evidence could be used to convince policy makers to change a shipping lane from going through a whale breeding ground? information on the number of all whale species currently alive information on the number of all whales hit by boats in the given area information on the number of whale deaths in the world's oceans information on the number of whale offspring born every year. (a) scientists could collect and combine data on fish populations all around the world to show that their populations are declining. (b) scientists collect and combine data on fish populations all around the world to show that their populations are increasing. (c) scientists work together and use past data to show that fish populations are becoming locally extinct in some areas. (d) scientists work together and use past data to show that some fish populations are adapting to environmental changes.