Answer:
<h3>As per the hints most applicable is a check that chromosome replication has been successfully completed this is because chromosome replication does not occur until after G1. Actually this checkpoint is G2.</h3>
Explanation:
During G2 phase cell undergoes rapid growth in size as well as protein synthesis takes place. During this process cell basically prepare itself for mitosis.
Answer:
Explanation: Tube 1 doesn't contain an organism so it can't be that one. Both a snail and a plant are considered an organism, and cellular respiration occurs in almost any organism's cells
Answer:A python can increase its metabolism and enlarge its organs in order to swallow and digest prey while.
Explanation:This can be traced to unusually rapid evolution and adaptations of its genes.
The nitrogen in the air cannot be used by producers and consumers. It must be fixed or converted by bacteria in the ground into a useable form for plants called nitrates. Some plants called legumes (beans and clover) actually have bacteria in their roots.
Answer:
Uracil
Explanation:
Like DNA, RNA is made up of nucleotides called ribonucleotides. However, unlike DNA, RNA contains the sugar ribose instead of deoxyribose and the base uracil instead of thymine. RNA also contains of only one polynucleotide chain. Uracil is a type of nitrogenous base that is replaced by thymine during the formation of RNA.