HELP ITS URGENT Which of the following will a single nucleotide of deoxyribonucleic acid (DNA) always contain?
A. a five carbon sugar, a nitrogenous base, and a phosphate group
B. a five carbon sugar, an amino acid, and a carboxyl group
a polysaccharide, an amino acid, and a phosphate group
C.
D.
a polysaccharide, a nitrogenous base, and a carboxyl group

Interactions between organisms and their environment impact the organism’s overall population. the jaguar panthera onca is the largest cat in north america. it is found in areas across the southwest, including arizona, new mexico, and texas. it is a carnivore that has powerful jaws and sharp teeth and preys on fish, turtles, tapirs, and many smaller mammals. which shows the relationship between the jaguar and turtles?