During reduction, 3-pga reacts with atp and nadph. what does atp contribute to the reaction?
a. carbon
b. hydrogen ions
c. electrons
d. phosphate group

Zoo geographic regions are characterized by the presence of specific groups of animals these regions are determined by the taxonomic or phylogenetic relationships of animals. the map shows the zoogeographic regions proposed by the naturalist alfred russel wallace in 1876. the similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations ?

Which of the following cell structures is significantly different between gram- positive and gram-negative bacteria?

An uncomfortable feeling in the ears when descending in an airplane is caused by changes in air pressure on the: a. inner ear b. middle ear c. eardrum d. hammer/anvil