Continual questioning of observations.
Answer:
C) DNA or RNA
Explanation:
Genetic material is found in both viruses and in living single-celled organisms, such as protozoans and bacteria.
Answer:
any of numerous complex proteins that are produced by living cells and catalyze specific biochemical reactions at body temperatures
The digestive system uses mechanical and chemical methods to break food down into nutrient molecules that can be absorbed into the blood. ... Some animals ues intracellular digestion, where food is taken into cells by phagocytosis with digestive enzymes being secreted into the phagocytic vesicles.
