Mutations are errors in the genetic code and/or in the protein synthesis process (which is the process of reading the genetic code to make proteins). In which two structures/organelles are mutations most likely to occur?
a) Ribosomes and endoplasmic reticulum
b) Nucleus and endoplasmic reticulum
c) Ribosomes and lysosomes
d) Nucleus and ribosomes

1. dermis

2. chemical

3. urine

4. viruses

5. antibodies

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link:

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

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the glands which are associated with each description is given below: