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Karo-lina-s
3 months ago
13

a friend tells you he read somewhere that rotting garbage can turn into maggots which are fly larvae, and the maggots then can g

row into adult flies. what part of the cell theory can you use to refute this claim?
Biology
2 answers:
-BARSIC- [2.5K]3 months ago
4 0
In response to the claim, you could refer to a principle of cell theory, stating that cells are the fundamental unit of life, and critically, all cells arise from pre-existing living cells.
-BARSIC- [2.5K]3 months ago
3 0

Answer:

Francesco Redi's theory

Explanation:

He demonstrated that spontaneous generation does not occur. The emergence of maggots in decaying refuse is due to other living organisms, specifically flies, that deposited their eggs nearby. Life originates from existing life rather than arising spontaneously.

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 The solute potential is indicated by the formula P = -iCRT, with i representing the ionization constant, C being the molar concentration, R as the pressure constant (R = 0.0831 liter * bars/mole * K), and T signifying the temperature in Kelvin (273 + °C). A 0.15 M NaCl solution at standard atmospheric pressure and 25°C has an osmotic potential of -7.4 bars, with Na+ and Cl- yielding 2 ions (in contrast to sucrose, which counts as one). Therefore, i = 2, and osmosis will drive water from the 0.1 to the 0.15 concentration.
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3 months ago
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In E. coli, the primary component of the mismatch repair system is the protein MutS. How does MutS recognize mismatched base pai
-BARSIC- [2551]

Answer:

The most accurate answer to the inquiry, based on findings regarding this specific mechanism in E. Coli, is: D) It detects hemimethylated base pairs and extends the methylation to the unmethylated base.

Explanation:

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The exact methodology by which MutS repairs DNA in eukaryotes and different prokaryotic organisms remains not entirely elucidated.

6 0
3 months ago
The diagram shows some of the structures in a human lung. Where is the carbon dioxide concentration highest? Support your answer
-BARSIC- [2551]

Response:

W - Aids in air movement through expansion and contraction, X - Catches dust and assists in filtering inhaled air, Y - Ensures the windpipe remains open, Z - Facilitates gas exchange.

Clarification:

The diaphragm, separating the thoracic cavity from the abdomen, serves as the primary respiratory muscle. When contracted, it expands the lungs during inhalation, allowing air intake. The nasal cavity’s role is to warm, moisten, and filter the incoming air before it reaches the lungs. Hairs and mucus in the nasal cavity trap dust, mold, pollen, and other environmental pollutants before they can infiltrate the body's inner sections. The trachea, a 5-inch tube constructed of C-shaped hyaline cartilage rings lined with pseudostratified ciliated columnar epithelium, connects the larynx to the bronchi and permits air passage through the neck into the thoracic area. The cartilage rings maintain the trachea's openness for airflow consistently. The gas exchange of oxygen and carbon dioxide occurs within the alveoli; oxygen from inhaled air diffuses through the alveoli walls and adjacent capillaries into red blood cells, which then transport the oxygen to body tissues.

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2 months ago
________ is the proportion of dissolved salts to pure water.
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