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Alla [95]
3 years ago
11

What are the compounds needed for photosynthesis?

Biology
1 answer:
Firlakuza [10]3 years ago
8 0
Sunlight, water, carbon dioxide, and chlorophyll  :)
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When muscle tissue dies, it usually is replaced with dense collagenous connective tissue. How do these tissues differ in structu
Korolek [52]

Answer:

Damaged muscle tissue is replaced by fibrous scar tissue. This is called as 'Fibrosis'. Thicker than the surrounding tissue, scar tissue is paler and denser because it has a limited blood supply; although it takes the place of damaged or destroyed tissue, it is limited in function, including movement, circulation, and sensation.

Dense irregular connective tissue contains fibroblasts scattered amongst randomly oriented collagen fibers, whereas muscular tissues contain multinucleated muscle cells that are able to contract upon stimulation. Because the connective tissue cells cannot contract, the muscle will lose strength, and so muscle function will become impaired.

7 0
3 years ago
Any point outside a contour line is a _____ elevation than the contour line.
bonufazy [111]
A<span>ny point outside a contour line is a lower elevation than the contour line.
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7 0
3 years ago
Which of the following trophic level, energy is minimum in a food chain?
stellarik [79]

Answer:

producer

Explanation:

4 0
2 years ago
Which describes a target cell? releases hormones into the blood produces a particular hormone recognizes a hormone’s chemical st
wlad13 [49]

Answer:

recognizes a hormone’s chemical structure

Explanation:

In living systems, chemical messengers called hormones are secreted into the body via the bloodstream or ducts by certain glands called endocrine glands e.g pancreas, hypothalamus etc. These hormones are meant to effect a physiological change in certain cells called TARGET CELLS.

In biology, a target cell is any receiving cell that has the ability to respond to signals and messengers like hormones. This responding ability of hormones is due to the possession of specific receptor sites for the specific hormones. The receptor on a particular target cell recognizes that specific hormone's chemical structure, hence, will only respond to it.

For example, an insulin hormone secreted by the pancreas will only be responded to by a target cell that recognizes the chemical structure of the insulin protein using its receptor molecule.

4 0
3 years ago
A scientist set up an experimental ecosystem in a sealed room with no windows. The experimental ecosystem has plants, and animal
Aleonysh [2.5K]

Answer:

Option-A

Explanation:

In the given question, the artificial ecosystem was prepared by the scientist which included the animals and plants. The light and dark conditions were controlled by a switch and bulb.

In the beginning, the amount of Carbon in the form of carbon dioxide was low due to the utilization of carbon dioxide by plants to perform photosynthesis. Then the amount of carbon dioxide increased in the atmosphere, the reason could be due to less consumption of carbon dioxide. The carbon dioxide is not uptake by plants during night conditions when photosynthesis process slowed down or stops.

Therefore, the dark condition was created by the scientist by switching off the lights and the number of energy molecule decreased as no photosynthesis was occurring.

Thus, Option-A is the correct answer.

3 0
3 years ago
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