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Citrus2011 [14]
2 years ago
5

Explain how heat can be a source of water pollution.

Biology
2 answers:
SCORPION-xisa [38]2 years ago
6 0

Answer:

Decreases amount of available oxygen in water causing some fish to decay because of the lack of oxygen.

Explanation:

Fiesta28 [93]2 years ago
5 0
Heat is considered as a water pollutant because it decreases the capacity of water to dissolve oxygen, and it increases the rate of metabolism fish. Valuable species of game fish cannot survive in water with very low levels of dissolved oxygen.
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Imagine an animal cell lost half of its mitochondria. Explain how the cell would be different.
seropon [69]

Answer:

Without mitochondria (singular, mitochondrion), higher animals would likely not exist because their cells would only be able to obtain energy from anaerobic respiration (in the absence of oxygen), a process much less efficient than aerobic respiration. ...

Explanation:

Mitochondria are rod-shaped organelles that can be considered the power generators of the cell, converting oxygen and nutrients into adenosine triphosphate (ATP). ATP is the chemical energy "currency" of the cell that powers the cell's metabolic activities. This process is called aerobic respiration and is the reason animals breathe oxygen. Without mitochondria (singular, mitochondrion), higher animals would likely not exist because their cells would only be able to obtain energy from anaerobic respiration (in the absence of oxygen), a process much less efficient than aerobic respiration. In fact, mitochondria enable cells to produce 15 times more ATP than they could otherwise, and complex animals, like humans, need large amounts of energy in order to survive.

mitochondrion is different from most other organelles because it has its own circular DNA (similar to the DNA of prokaryotes) and reproduces independently of the cell in which it is found; an apparent case of endosymbiosis. Scientists hypothesize that millions of years ago small, free-living prokaryotes were engulfed, but not consumed, by larger prokaryotes, perhaps because they were able to resist the digestive enzymes of the host organism. The two organisms developed a symbiotic relationship over time, the larger organism providing the smaller with ample nutrients and the smaller organism providing ATP molecules to the larger one. Eventually, according to this view, the larger organism developed into the eukaryotic cell and the smaller organism into the mitochondrion.

in most animal species, mitochondria appear to be primarily inherited through the maternal lineage, though some recent evidence suggests that in rare instances mitochondria may also be inherited via a paternal route. Typically, a sperm carries mitochondria in its tail as an energy source for its long journey to the egg. When the sperm attaches to the egg during fertilization, the tail falls off. Consequently, the only mitochondria the new organism usually gets are from the egg its mother provided. Therefore, unlike nuclear DNA, mitochondrial DNA doesn't get shuffled every generation, so it is presumed to change at a slower rate, which is useful for the study of human evolution. Mitochondrial DNA is also used in forensic science as a tool for identifying corpses or body parts, and has been implicated in a number of genetic diseases, such as Alzheimer's disease and diabetes.

i hope this is helpful

have a grest day!!:))

6 0
2 years ago
Are Endocytosis and exocytosis are types of vesicle transport
ivolga24 [154]
Endocyrosis and exocytosis are types of bulk transport

7 0
3 years ago
PLS HELP AND NO LINKS PLEASE! List the 4 nitrogen bases for DNA
Lesechka [4]
Adenine, Thymine, Cytosine & Guanine
6 0
3 years ago
how do fossils give evidence of continental drift? List 2 examples using fossils found on different land masses.
Ivanshal [37]

Answer:

Explanation:

There are many examples of fossils found on separate continents and nowhere else, suggesting the continents were once joined. If Continental Drift had not occurred, the alternative explanations would be:

The species evolved independently on separate continents – contradicting Darwin’s theory of evolution.

They swam to the other continent/s in breeding pairs to establish a second population.

5 0
2 years ago
Cilia are composed of microtubules. How are microtubules different from the other cytoskeletal filaments?
Maru [420]

Answer:

They are thick, strong and made up of thousands of tubulin which are spiral in shape.

Explanation:

In eukaryotic cells, they have microtubules which are fibres serving as tracks for cell to cell transport and regulate the shape of a cell.

Microtubules are different from other cytoskeletal filaments because they possesses a cylindrical shape with the tube having a larger diameter of 20-25 nm as compared to microfilament that have a diameter of 3-6 nm.

Microtubules are made of subunits of proteins called tubulin named alpha and beta that is not present in other cytoskeletal filaments.

4 0
3 years ago
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