The reasons that the presence of the reflective layer at the back of the retina makes the eye more sensitive for the light and is also responsible for the reduced ability to distinguish fine details. Introduction: The eye is a sensory organ that detects the light and converts the image into electrical signals. These signals are transferred to the visual cortex of the brain. Specialized cells called photoreceptor cells receive the light and convert it to the neural signals. Cone cells and rod cells are two different types of photoreceptors. Cone cells are responsible for colored vision, and rod cells are responsible for visualization in the presence of very less light.

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After you feel comfortable with your counting method and identifying cells in the various stages of mitosis, use the four images below of whitefish blastula to count the cells in each stage until you reach 100 total cells, recording your data below in Data Table 1. (You may not need to use all four images. Stop counting when you reach 100 total cells.) After totaling the cells in each stage, calculate the percent of cells in each stage. (Divide total of stage by overall total of 100 and then multiply by 100 to obtain percentage.) Data Table 1Stage Totals PercentInterphase Mitosis: Prophase Metaphase Anaphase Telophase Cytokinesis Totals 100 100% To find the length of time whitefish blastula cells spend in each stage, multiply the percent (recorded as a decimal, in other words take the percent number and divide by 100) by 24 hours. (Example: If percent is 20%, then Time in Hours = .2 * 24 = 4.8) Record your data in Data…

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Chapter 30, Problem 2CT

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To determine:

The reasons that the presence of the reflective layer at the back of the retina makes the eye more sensitive for the light and is also responsible for the reduced ability to distinguish fine details.

Introduction:

The eye is a sensory organ that detects the light and converts the image into electrical signals. These signals are transferred to the visual cortex of the brain. Specialized cells called photoreceptor cells receive the light and convert it to the neural signals. Cone cells and rod cells are two different types of photoreceptors. Cone cells are responsible for colored vision, and rod cells are responsible for visualization in the presence of very less light.

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After you feel comfortable with your counting method and identifying cells in the various stages of mitosis, use the four images below of whitefish blastula to count the cells in each stage until you reach 100 total cells, recording your data below in Data Table 1. (You may not need to use all four images. Stop counting when you reach 100 total cells.) After totaling the cells in each stage, calculate the percent of cells in each stage. (Divide total of stage by overall total of 100 and then multiply by 100 to obtain percentage.) Data Table 1Stage Totals PercentInterphase Mitosis: Prophase Metaphase Anaphase Telophase Cytokinesis Totals 100 100% To find the length of time whitefish blastula cells spend in each stage, multiply the percent (recorded as a decimal, in other words take the percent number and divide by 100) by 24 hours. (Example: If percent is 20%, then Time in Hours = .2 * 24 = 4.8) Record your data in Data…

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