Before amino acids are catabolized for energy yielding pathways, they must first undergo what step?

Question options:

removal of the amino groups (-NH2).

hydrolysis of the peptide bond.

removal of the carboxyl groups (-COOH).

condensation of the peptide bond.

Charles darwin published his theory of evolution in 1859. in what way foes modern evolutionary theory differ from the theory as proposed by darwin? a) darwin inferred that individuals can evolve, but modern generic science has shown that this is not true. b)darwin inferred that individuals do not evolve, but modern genetic science has shown that this is not true. c)modern science has disproved most of darwin's original theory of evolution, because darwin knew nothing about generations and their role in heredity. d)generic studies have shown that gene expression and other factors operate along with natural selection, but most of darwin's theory has been supported by modern science.

Explain the process that creates the heat of the sun?

An organism is found that has the following traits: • has a backbone • has lungs • can reproduce on land what kingdom does this organism most likely belong in? a. animalia b. plantae c. prostisa d. fungi