Arthur si warm enough ti suportarla lige
1. Is A
2 Is B
Because A and T in the DNA sequence goes together so they both have to have the same amount same goes for C and G
Answer:
D. A bicycle rusting.
Explanation:
A. is incorrect because tearing a piece of paper is a physical change, not a chemical change.
B. is incorrect because we are just heating up the object. That only changes how fast the particles are moving and the change in state of matter.
C. is incorrect because we are adding heat to change a state of matter (from solid to liquid) and it is a physical change.
Therefore, only D. is the correct answer. Iron rusts, and when it does, it chemically changes into an iron oxide (rust).
cAMP in the cytoplasm
Many cAMP can be generated as a second messenger to amplify the signal in response to hormone binding.
Phosphorus is an essential element in nucleic acids. Nucleic acids, like DNA and RNA are responsible for coding for proteins that are essential for regulating cellular functions