How many alleles are typically present in a genotype?

Anton created a chart listing different types of materials. which best complete the chart?

The direct energy source that drives atp synthesis during respiratory oxidative phosphorylation is

Match the correct terms to their descriptions a system in which only energy but not matter is exchanged frozen water in snow part of geosphere that includes only soil a thin layer between the troposphere and the stratosphere cryosphere tropopause closed system pedosphere