The condenser lens, is placed between the light source and the specimen and it gathers and focuses the light rays in the plane of the microscopic field to view the specimen.
Answer:
Cell differentiation and cell division both work together by starting out with a somatic cell(basic cell) and cell differentiation gives it the specific instructions in the DNA to enable it to perform its function, then cell division comes in also known as mitosis, and it makes the cell with the whole package included with its function
Explanation:
If you’re referring to the current Coronavirus pandemics, the reasons we want to mass vaccinate the population is to stop the spread by making it harder to find a host that it can use to replicate. The more times the RNA virus replicates, the more mutations are generated, the more likely a strain, that can escape the any immunity developed, can occur. Herd Immunity is what will help reduce the ability of a virus to spread. If the virus can’t find a host to replicate in (because the host is immune to the virus) the harder it is for the virus to spread.
Russia and Canada is the correct answer
Answer:
A dissipated personal modus operandum, which may be characterized by one or more of the following: substance abuse–eg, alcohol, drug and/or tobacco use, debauchery, sexual promiscuity and/or teenage pregnancy, poor sleep hygiene, domestic violence, and other unhealthy habits
Explanation: