What is the function of tRNA? A:to supply appropriate amino acids for translation
B:to supply appropriate amino acids for transcription
C:to provide proteins needed for all cellular function
D:to provide a template for the sequence of proteins needed

That is true tge cactus as a structural adaptation to its envirinment has it leaves reduced to spines. but this doesnt mean it cant produce food it produces food because of the presence of chlorophyll in its stem

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass