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Semenov [28]
2 years ago
15

The third layer of the eye, the __, receives light rays and images and passes them on to the __ nerve. sclera choroid retina, au

ditory olfactory optic
Biology
2 answers:
CaHeK987 [17]2 years ago
6 0
Retina receives lights and transfers it to the Optic Nerve
prohojiy [21]2 years ago
4 0

Answer:

The third layer of the eye, the retina, receives light rays and images and passes them on to the optic nerve.

Explanation:

The retina is the third layer of the eyeball and contains photoreceptors namely rod and cone cells which sense the incoming light energy. The eye lens refracts the light rays and focuses them onto the retina in such a way that reverse and inverted image of the object is formed on the retina. The sensory fibers of the retina serve to deliver the nerve impulse from retina to the brain via the optic nerve.

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A strain of Neisseria gonorrhea has a mutation which has caused it to lose the ability to produce fimbriae and become less virul
Ksju [112]

Answer: The pathogen has lost the function of the ability to adhere to cells of the body.

Explanation:

Neisseria gonorrhea is a gram negative bacteria that has the ability to attack and cause disease in man using its virulent factors. It is know to attack the urethra of both male and female producing an acute urethritis and tenda to spread locally if not treated. The virulent factors determines the ability of the organism to infect or damage it's hosts tissues and they include:

--> endotoxins

--> pilli

--> fimbriae

--> capsule polysaccharide expression

The fimbriae is one of the virulent determinants which the organism uses to attach to the host cells. As these bacteria multiple and grow, there are chances of mutation occuring. MUTATION is defined as the errors during DNA replication or induced by exposure to mutagens (like chemicals and radiation)

If the bacteria is affected by mutation, which can cause the gene for fimbriae production not to be expressed, the virulent factor of the organism will be highly affected as the first step to cause an Infection which is attachment is lost.

5 0
3 years ago
Some rocks are formed from _______ that erupts from volcanoes as lava.
SVEN [57.7K]

Answer:

magma

Explanation:

it comes from volcano

8 0
3 years ago
Guided Practice
Natalka [10]

The answer is B. A satellite is any object that revolves around another object, whether that be a natural satellite like an asteroid or a man-made object like a radio satellite.

3 0
3 years ago
Identify the names of animals that lived on Earth before dinosaurs.
RUDIKE [14]

Answer:

b) dinosaurs

Explanation:

Hope this helped.

3 0
3 years ago
Read 2 more answers
Many species of gulls feed their chicks by regurgitating food. When parents return from foraging, the gull chicks peck at a red
makvit [3.9K]

Answer:

fixed action pattern, key stimulus; key stimulus, fixed action pattern

Explanation:

  • An innate behavior which specific to a species and is highly stereotyped is termed as a fixed action pattern.
  • This behavior occurs due to a neuronal network that is hard-wired in the species and the response is said to be generated following a key stimulus.
  • A key stimulus is the one that generates a fixed action pattern and this is also called a releaser.
  • A key stimulus can be in the form of shape, sound, color, or a combination of these.
  • In this case, the red spot is a stimulus for the chicks which causes them to peck at their parent's bill, and hence, the red spot is a key stimulus, and pecking of the chicks is a fixed action pattern.
  • The parents regurgitate the food only when the chicks peck at their bills, so pecking is a key stimulus for the parents which causes them to regurgitate the food which is a fixed action pattern.
4 0
3 years ago
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