1 Blue and yellow: 1 yellow
Let us assign the allele for Blue dragon color as B and that of Yellow dragon color as Y and create the punnet square below;
The phenotypic ratio will, therefore, be;
1 Yellow/Blue : 1 Yellow
Question 1 is false and question 2 is A
Proteins, among the most complex of all organic compounds, are composed of amino acids (see Figure 2-4), which contain carbon, hydrogen, oxygen, and nitrogen atoms. Certain amino acids also have sulfur atoms, phosphorus, or other trace elements such as iron or copper.
Catalyst speeds up the reaction rate of a chemical reaction
The characteristic of life does this behavior best illustrate is definitely A- response , as it is a reaction on the environmental factors.
And what about the second question, the answer is D-Desert pack rats are active at night to conserve water.