Q: Compare and contrast rods and cones.
A: Cones and rods are the photoreceptors that are present in the retina. They are in the outermost…
Q: 2. Define resolution and state why is it important in distinguishing magnified objects
A: Microscope is used to see and analyse objects/organisms that cannot be seen with normal eye. In…
Q: Identify each of the structures in the table below. Match the letters to the correct name. С. D. E.…
A: A. Hemoglobin molecule is made up of four heme groups surrounding a globin group, forming a…
Q: Location A
A: This is the phenomenon of industrial melanism which is part of natural selection. It is an…
Q: Explain how the images are formed, along with the role of light andthe different powers of lenses.
A: The light microscopes or optical microscopes use visible light and a collection of lenses to magnify…
Q: Differentiate between light phase and dark phase.
A: Photosynthesis is a process in which a plant absorbs solar light energy to convert it into chemical…
Q: Indicate how the resolving power is determined and how resolution aff ects image visibility.
A: Resolving power of a microscope Apart from producing a magnified image of an object, the objective…
Q: which objective lens is in place if the object you are viewing is magnified 1000x? (assume ocular…
A: As if we known that microscope amplifies the image of an object, a microscope is widely used to…
Q: Draw a well labelled diagram of human eye.
A: The human eye is a sense organ that is involved in transmitting the sensory impulses from the eye to…
Q: Discuss the optics of imaging the source onto the retina.
A: The retina is a thin layer of tissue that surrounds the back of the eye on the interior. It is…
Q: Contraction of a muscle usually puts more tension on a structure, but contraction of the ciliary…
A: Ciliary muscle present in the eye is a smooth muscle and mesodermal in origin and is responsible for…
Q: List the structures light travels through to reach thephotoreceptors of a human eye
A: Light moves towards the lens from the front of the eye (cornea). The cornea and the lens allow the…
Q: Carefully analyse the following pictures and identify whether sensor, control center or…
A: Central Nervous System works as the nervous system's primary processing centre. The Peripheral…
Q: Define stele, draw and explain protostele.
A: All the tissue lying internal to endodermis constitute the stele. It includes the pericycle,vascular…
Q: State about - eyespot apparatus ?
A: The eyespot apparatus is otherwise known as stigma. It is a photoreceptive organelle found in the…
Q: define Audiometer
A: Ear is the organ of hearing, which is divided into three parts as the outer ear, the middle ear, and…
Q: a. Describe the relationship between the image between the eyepiece and on the stage.
A: Introduction Magnification is the process of enlarging something's apparent size rather than its…
Q: The highest density of cone cells is found in: a. the crista ampullaris. b. the optic disc. c. the…
A: The highest density of cone cells is found in:
Q: By what the transparent lens in the human eye is held in its place?
A: Eye is one of the sensory organs present in the body of an organism. It is responsible for sensing…
Q: Suppose you measure the scanning (4x) field of vision diameter with a stage micrometer and it is 2…
A: Hello, thank you for your question. Hope this answer helps you. Please upvote. A microscope is an…
Q: Define the term photoreceptors?
A: Receptors are the substances that receive some signal or a molecule to facilitate detection.…
Q: Explain why different types of receptor cells and neural circuits are required for day and night…
A: Rods and cones are the two kinds of photo-receptors in the retina of humans. The rods are…
Q: What is biological amplification or magnification? Give examples
A: Ecosystem in simplest terms refers to the functional unit of nature, where living organisms interact…
Q: Briefly explain how an image is made and magnified.
A: There are two lenses in a microscope. One lens is an objective lens and the other one is an…
Q: define visual feedback and provide a description of the principle.
A: Modification or regulation by outcomes or effects of a process or system, e.g. in a biochemical…
Q: Radial canals contain circular channels
A: The Canal System: The water vascular or circulatory system of the sponges is also called the canal…
Q: The size of the pupil is controlled by the O lens
A: The eye is the sensory organ that allows us to see. The eyes achieve vision with the help of visual…
Q: Diagram the structure of the human eye.
A: The human eye is a paired sense organ that reacts to light and allows vision. Rod and cone cells in…
Q: Define Parfocal in a microscope
A: Parfocal in a microscope refer to multiple microscopic structure that all lie on same focal plane.
Q: Differentiate the Bright-field and a Dark-field microscopy.
A: Microscopy -- The word microscopy is derived from the Greek word micros - small Skopeo - to view…
Q: Please explain in a sentence or two what you see in the picture.
A: Bone is a mineralized connective tissue. Bone exerts important functions in the body, such as…
Q: ) Structures essential to the dectection of linear acceleration include the _____. A) tympanic…
A: Otoliths are essential for detection of linear acceleration. Hence option (c) is right option
Q: Identify the structure at the pointer.
A: Muscle is a type of fibrous tissue that contracts in order to produce movement. Muscle tissue in the…
Q: Explain Resolution: Distinguishing Magnified Objects Clearly.
A: A microscope is used to view and analyse objects and organisms that the human eye cannot perceive. A…
Q: Identify structures in either the human eye or the ear and explain their function.
A: The eye is an organ that detects light and sends signals along the optic nerve to the brain. In…
Q: What are the components of optical apparatus?
A: The optical apparatus processes the light waves to enhance the image for viewing, or to analyze the…
Q: When light strikes photoreceptors, what takes place?
A: Introduction Photoreceptor are specialized neurons found in retina, Which convert light energy in to…
Q: Fully interpret this TSI tube.
A: The capacity of Enterobacteriaceae to ferment glucose, lactose, and sucrose, as well as generate…
Q: Instructions: Identify the pointed structures. 7
A: The digestive system consists of organs and associated glands in humans. It begins at the mouth and…
Q: why nutrient broth is used for blind control
A: Nutrient broths (liquid nutrient medium) and LB medium (Lysogeny Broth) are the most popular liquid…
Q: While viewing an object under low power you see a small organism at the edge of the field of vision.…
A: Step 1 Microscopes are the instrument used for observing smaller objects as well as finer internal…
Q: Does the image contrast increase or decrease when closing the diaphragm during microscopy.
A: There are many objects that cannot be seen with naked eye. To view those objects different…
Q: Does image brightness increase or decrease when closing the diaphragm during microscopy.
A: Microscope is an optical instrument which has major application in visualizing very small to…
Q: Give the resolution of eyepiece, scanning objective, LPO, HPO and OIO
A: Resolution: The lowest distance at which two distinct points of a specimen can still be viewed as…
Q: Find and summarize a peer reviewed journal article which utilizes fibre optic scopes in one of the…
A: 1- Endoscope --It is a Greek word made up of two words Endo- means within Scope- derived from word…
Q: Name the aperture in the middle of iris.
A: The eye can be defined as the organ of sight. The eye consists of a number of components, but they…
Q: Name the structure that hold lens in its position.
A: Humans have a pair of eyes located in sockets of the skull known as orbits. The human eyeball is…
Q: List any five aspects of the Human Eye that allow it to record images in the real world.
A: The human eye is a sense organ which responds to visible light and enables us to utilise visual data…
Define aperture
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