Why are elements and compounds classified as pure substances?

What organelles do plant cells have that animal cells do not

The following is a series of three base pairs that all code for the amino acid methionine (met), which functions to prevent fat deposits from accumulating in the liver.

Give the definition of parasympathetic nervous system?

How many bacterium can fit into an animal cell

Which of the following processes can all of the above organisms perform in order to maintain stable internal environments? get rid of waste reproduce extract energy from food

What does it mean if a solution is "positive" for simple sugars?

Overtime, why does natural selection continue to work?

All of the following involve molecular biology techniques except ligating DNA fragments together. using a DNA polymerase to copy DNA via PCR. creation of Okazaki fragments. using restriction enzymes to cut specific sequences of DNA.

Why is dna an important macromolecule

Why / how does dna become more compact