1. What is a correct way of naming an organism using the binomial system? A. Common buttercup
B. ranunculus acris
C. Ranunculus acris
D. Ranunculus sp.

2.When a substance is added to meat, amino acids are produced. What is this substance?
A a hormone
B an enzyme
C an oil
D water

Which group of compounds ensures that metabolic reactions take place effectively?
A carbohydrates
B enzymes
C fatty acids
D hormones