Answer:
D. direct the building of different protein molecules
Explanation:
Haploid cells join to form an organism that has a complete set of chromosomes
Answer:
Respiration (breathing) is the way your body gets oxygen into the lungs from the air outside. Cellular respiration describes how your cells make ATP - a molecule used to provide energy for chemical reactions.
Explanation:
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Observation is broken up into three parts. The first is the date. Then you have the activity and last you have a brief description of what is being observed.