Answer: a
Explanation:
A punnet square is used to determine which genes are the strongest
Photosynthesis is a process plants and other organisms use to create energy. The energy from sunlight, glucose, water, oxygen, and carbon dioxide are used by the plant to photosynthesize. These chemicals work together within the plant and produce energy. Oxygen is a product of photosynthesis that benefits humans and animals. Photosynthesis is essential for most plants to live.
MRNA is needed to make amino acids and proteins. Without this, the liver would not have proteins to carry out tasks and would stop functioning.
