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Complete the following questions, save with your name and attach to the drop box for Read over the parts of the microscope and answer the following questions: 1. What do you call the lens you look through on the microscope? 2. What is the difference between the ocular lens and the objective lens? 3. Where do you place the slide on the microscope? 4. Which adjustment, course or fine, do you use when you are observing the highest power? 5. What would the total magnification be if you are looking through the ocular and using each of the following objectives. Ocular Objective Total Magnification 10x 4x 10x 10x 10x 40x Experiment 1, Virtual Magnification Procedure, How Big Is It? After completion answer the following questions: 1. At what magnification do you first notice the ragweed pollen? 2. Which is bigger, a rhinovirus or E. Coli? 3. Based on the magnification, how many of the E. Coli can fit into the same space as the head of a pin? 4. About how many red blood cells could fit across the diameter of a human hair (again, look at the magnification scale)? Experiment 2, Virtual Microscope Procedure. After completion answer the following questions: 1. What is the first step normally taken when you look through the ocular lenses? 2. What is the highest objective lens you can use to see the entire letter e? 3. The nuclei (the structure inside a cell that contains DNA) of the cheek cells have been stained using a special dye so that they appear purple. What shape are they? 4. At high magnification, you may notice that not all of the nuclei in the onion root tip slide appear as the shape you described in the question above. What do they look like? 5. After completing the m1 exercise in the "Try this" section, how tall is the letter e?
How ere the bacteria getting into the household water? What bacterial structures make this possible?
When human tissues are left behind at crime scenes, these tissues can be collected and processed to yield samples of DNA, which can then be treated to isolate specific DNA fragments that are highly variable in the human population.
NASA hopes they may one day be useful in producing some electricity on a spacecraft. What mode of nutrition do these bacteria most likely use.
The fouling of our air, water, and food supply is a problem for humanity and also for the entire biosystem.
Compute the number of RBC if the dilution is 1:50, the cell count is 400 cells counted in five (5) RBC squares of the hemocytometer.
A man who has free earlobes marries a woman who has attached earlobes.What would be the expected phenotypes.
Consider any natural populations that might be out of Hardy-Weinberg equilibrium? You need not to test this with statistics. Just name the species and explain the population.
Upon entering graduate school, you heard rumors about a student, who was totally inspired by a "rusty nail experience".
define Globular cluster of noncontiguous segments. Final three-dimensional packaging of all three regions of a single polypeptide chain.
You subject a single dsDNA strand to PCR using the PCR protocol discussed during our lab. How many amplified strands of our DNA target would be present after: a. 10 min? b. 30 min? c. 1 hour?
A 6 year old boy scrapes the palms of his hands falling from a skateboard. The wounds are cleaned and covered with sterile gauze. Which of the following ceullar processes is the predominant menas by which this patient's skin abrasion becomes re-ep..
Tremendous development in the arid West of the United States over the past few decades, creating demands for water. How should these demands be met? Should there be limits to this type of developments? What kinds of limits, if any?
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