Answer:
NADPH is produced from NADP+. The major source of NADPH in animals and other non-photosynthetic organisms is the pentose phosphate pathway (oxPPP), by Glucose-6-phosphate dehydrogenase (G6PDH) in the first step. The oxPPP pathway also produces pentose, another important part of NAD(P)H, from glucose.
Explanation:
humans do not have gills as fish do but human embryos have gill slits suggesting fish and humans have a common evolutionary ancestor
Answer:
presence of the placenta (mammals)
Explanation:
Cat and dogs are two species that belong to the group of placental mammals (class Mammalia). Some phenotypic traits that are exclusive of mammal species include, among others, mammary glands, presence of hair or fur, sweat glands, specialized teeth, etc. A phylogenetic tree is a representation of the evolutionary relationships among different groups/taxa. Moreover, cats and dogs represent two different species of placental mammals, which are characterized by the presence of the placenta (an organ that facilitates the exchange of nutrients during gestation). In this case, the remaining two branches in the phylogenetic tree (branches from left to right) separate from more closely related to less closely related taxa that diverged from the same ancestral node.
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