Answer:
1. A. carbon,hydrogen,nitorgen and oxygen
2.C. Nucleotides
3.A.Brain
4.D. Polysaccharide
5. B.Amino acids contain nitrogen; fatty acids and sugars do not.
Answer:
In a comparison of birds and mammals, the condition of having four limbs is a shared ancestral character
Answer:
A. test the composite drug in a trial run
Explanation:
Answer:
A parasites is known to cause malformations, but only when it attacks tadpoles at a certain point in their development. Predators can cause missing or shortened limbs, as a partially eaten tadpoles regenerate lost tissues.
Answer is D.
Photosynthesis in plants converts solar energy into chemical energy using electrons and protons from water. ... In the energy-transduction reactions, solar energy is converted into chemical energy in the form of two energy-transporting molecules, ATP and NADPH
