2. The boy is wondering what to use to clean the microscope lenses. The lens tissue has been
treated to prevent scratching. What should one
use to clean?
Why?
2. The girl is focusing a slide and she is moving the stage up toward the slide.
a) What has happened to the slide?
b) Is this the proper way to focus?
c) Should you focus by moving stage up or down?
d) What happens to a microscope if place at the edge?
e) What should you do to prevent this from happening?

2. what process do mrna and trna work together to complete? (3 points)

What did hunter gathers do to alter the environment?

Awoman whose sister tested positive for a specific mutation in the brca1 gene, which increases the risk for breast and ovarian cancer, is found not to have that mutation but does have a mutation of unknown significance near the known mutation site. how should this woman be counseled? select one: a. she should be informed that her risk for breast cancer is greater than the general population but not as great as her sister’s risk. b. she should be informed that because she does not have the mutation, her risk for breast cancer is not greater than that of the general population. c. she should be informed of her gene mutation status and be presented with all the available prophylaxis options and reconstruction options. d. she should be informed that she does not have the specific mutation but that because another mutation is present she should be vigilant about screening