Which substance is the most acidic?

The student is asking for the mRNA codons that could code for a protein with the amino acid sequence Pro - Asp - Gly - Lys. The genetic code is degenerate, allowing multiple codons to code for the same amino acid. Proline, aspartic acid, glycine, and lysine have multiple codons each.

The student is asking about the genetic code and how specific mRNA codons code for amino acids in a protein sequence. Each codon is a set of three nucleotides in mRNA that correspond to one amino acid. Here are the codons that can code for the protein sequence Pro - Asp - Gly - Lys:

Therefore, one of the possible mRNA codon combinations for this protein sequence could be CCC - GAU - GGA - AAA. Due to the degeneracy of the genetic code, there are multiple combinations that could result in the same protein sequence.

Answer:

A       Nucleus

B       Lysosome

C       Centriole

D       Cytoplasm

E       Cell membrane

F       Mitochondria

Explanation:

The cell in the image represents an animal cell and the organelles in the cell labelled are as follows:

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Final answer:

Three main passive transport types in the human body are diffusion, osmosis, and facilitated diffusion, all of which involve the movement of molecules or ions across cell membranes without the need for cellular energy.

Explanation:

Three types of passive transport that occur in our body are diffusion, osmosis, and facilitated diffusion.

Diffusion is the process by which molecules spread from areas of high concentration to areas of low concentration until equilibrium is reached.

Osmosis, a specific type of diffusion for water, is the movement of water through a semi-permeable membrane from a dilute solution toward a more concentrated one.

Facilitated diffusion uses carrier or channel proteins to move substances across the cell membrane from an area of higher concentration to one of lower concentration without the use of energy.

B. its age compared with the ages of other rocks.

The thermostat in your house works on the principle of a negative feedback loop. This is because as the temperature of your house rises, this setup of the thermostat turns off the furnace and allows the house to rest at a fixed temperature.

A Thermostat may be defined as a type of device that significantly regulates the temperature of a particular area. It works automatically with sensing the high or low temperature.

When the resting temperature falls below that fixed temperature, the furnace reignites and returns the house to its equilibrium state. This type of stabilization feedback is known as a negative feedback system.

A remarkable increase in the temperature leads the thermostat to turn off the furnace, which significantly leads to the reduction of the house's temperature and attaining its equilibrium.

Therefore, this is the principle behind the thermostat of your house that uses a negative feedback system to maintain your home's temperature.

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Bacterial communities on the ocean floor are linked to the bay's ecosystem as chemoautotrophs and decomposers, cycling nutrients and supporting higher trophic levels including fish that are important for fisheries.

The bacteria communities on the floor of the bay are crucially linked to the ecosystem's producers and consumers in several ways. For example, chemoautotrophs are a type of bacteria that act as producers in these environments. They utilize chemosynthesis to transform chemicals released by hydrothermal vents into energy, sustaining a food web that doesn't rely on sunlight. Moreover, bacteria contribute to the breakdown of organic matter and the cycling of nutrients, thus supporting plant growth, which in turn supports herbivorous consumers. Additionally, the bacterial metabolism products can feed other organisms in the ecosystem, including young fish and invertebrates that find shelter in biofilms and structured bacterial communities.

Diverse microbial communities are also important in transforming and recycling nutrients, which support higher trophic levels, including commercially important fish. Bacterial action on decomposing organic matter contributes to the fertility of environments, which indirectly benefits fishery production by enhancing the food supply and nursery areas for young fish. The complex matrices of biofilms and microbial communities provide food, shelter, and a place for interactions that are essential for the productivity and stability of marine ecosystems.

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Answer:

b

Explanation:

The part of a watershed that separates adjacent watersheds is the collection area. So, the correct option is C.

A watershed also called a drainage basin is defined as an area of ​​land where all flowing surface water converges at a single point, such as a river mouth, or flows into another body of water such as a lake or ocean.

Watershed is used to mark a demarcated portion of the area drained by the main river and its tributaries, where the waters of the hydrographic basin flow in the same direction and lead to the lower part of the topographic area which is characterized by relief which follows the pattern.

The highest part of the hydrographic basin that separates watershed is the collection area.

Thus, the part of a watershed that separates adjacent watersheds is the collection area. So, the correct option is C.

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