Where does aerobic respiration take place in prokaryotes?

Answer:

The mouth

Explanation:

it is a simple microscope

It was a compound light microscope through which microscopes were cells first observed by Robert Hooke. The correct option is C.

Microscopes are electronic magnifying machines that are sued to see very minute objects and the sample of the cell, like blood, or serum. They contain magnifying glasses which make the small things look clear.      

The different types of microscopes that are used in scientific research and experiments are:

The majority of microscopes used in research labs and other settings are called compound microscopes because they use separate objective and eyepiece lens assemblies to provide significantly higher magnification powers.

Thus, the correct option is C. compound light microscope.

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Answer:

True.

Explanation:

One and effective example is forest fires. They tend to happen naturally also, in hot seasons. Also, we have volcanic eruptions, wind erosion, natural radioactivity...

Just remember that pollution means the presence of contaminants that causes adverse changes, against natural equilibrium.

Final answer:

Nonnative plants are able to grow after a forest fire due to the increased availability of sunlight and open space after the elimination of the dominant tall trees. This process is part of secondary succession, which leads to the eventual recovery and formation of a new climax community.

Explanation:

After a forest fire, the dominant tall trees that previously shaded the ground and absorbed most of the sunlight are no longer present. This loss of canopy opens the area to sunlight, allowing nonnative plants and pioneer species to grow. These plants are often well-adapted to thrive in the open, sunny, and disturbed conditions that a fire creates. The process through which a forest recovers after a disturbance like a fire is known as secondary succession.

Initially, annual plants and grasses will colonize the area because they grow quickly and can take advantage of the sudden abundance of sunlight and space. As these pioneer species alter the environment, such as by enriching the soil with their decomposing biomass, the area becomes more accommodating for other plants like shrubs and eventually small pine, oak, and hickory trees, referred to as intermediate species. Over time, a new climax community forms, resembling the original forest's species composition.

The right answer is It has peptidoglycan.

Eubacteria are not multicellular beings, but are unicellular.

Eubacteria certainly have a cell wall, but we must not forget that plant cells also have a cell wall, so this is not really a feature.

Eubacteria are microorganisms but there are eukaryotic microorganisms, so it is not a characteristic.

Peptidoglycan (or murine, or mucocomplex, or mucopeptide) is a characteristic component of the bacterial wall (not found elsewhere) maintaining the shape of cells and providing mechanical protection against osmotic pressure. It forms a thin layer in Gram-negative bacteria and a thick layer in Gram-positive bacteria.

Answer: erosion

Erosion is the process of removal and displacement of surface soil particles by the effect of wind, water or chemical agent. The sediments due to the effect of these agents gets displaced to locations other than the one where their parent rock or soil originated. A sand dune can be defined as the accumulation of grained sized sand into the shape of ridge by the effect of wind under the influence of gravitational force exerted by the earth. Dunes are formed when the loose sand is blown by wind. Therefore, sand dune is the erosion of sand by wind. Sand dunes are formed in deserts, beaches, barren fields and semiarid regions.

The right option is; a. Predation and commensalism

Predation is an interaction between organisms in which one organism (the predator) benefits from another organism (the prey), while commensalism is also an interaction between organisms of different species in which one species benefits from the other without either harming or benefiting the latter. From the question, the remoras benefits from the relationship by living on sharks and feeding on the leftovers of the sharks, but the sharks are not affected in any way. The relationship describes predation and commensalism.

Answer:

2 ATPs are produced in fermentation and 38 ATPs are produced in cellular respiration

Explanation:

A cell undergo lactic acid fermentation only when there is no oxygen i.e anaerobic condition only. This usually happens when a person do rigorous exercise and the oxygen demand escalate suddenly which is unmet by normal respiration process.

In fermentation,  carbohydrates such as starch or sugar convert  into lactic acid or alcohol in the absence of oxygen with production of 2 ATP while in cellular (aerobic respiration) nearly 38 ATPs are produced

Energy exists in different forms, including chemical, mechanical, radiant, and electrical energy.

Energy exists in different forms, such as chemical energy, mechanical energy, radiant energy, and electrical energy. Chemical energy is stored and released as chemical bonds are formed and broken. Mechanical energy directly powers physical activity. Radiant energy is emitted as waves, such as in sunlight. Electrical energy is the power of moving electrons.

Chemical Energy: This is the energy stored in the bonds between atoms and molecules. It's released during chemical reactions. For example, the energy in food is released and converted into other forms when it's digested.

Mechanical Energy: This is the energy associated with the motion or position of an object. It can be either kinetic energy (associated with motion) or potential energy (associated with position). For example, a moving car has kinetic energy, while a book on a shelf has potential energy.

Radiant Energy: Also known as electromagnetic energy, this form of energy includes visible light, radio waves, X-rays, and other forms of electromagnetic radiation. It travels in waves and carries energy.

Electrical Energy: This is the energy associated with the movement of electrons. It's what powers electrical devices and flows through wires to provide electricity for various purposes.

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True

The The National Wildlife Refuge were started in 1903 when there was need to save brown pelicans. This refuge provides home to more than 700 varieties of birds, more than 1000 species of fish, 250 kinds of reptiles and amphibians. They also provide home to countless number of invertebrates and wildlife. Along with animals the National Wildlife Refuge also provides shelter to a large number of plant species.  

The statement is true.

National Wildlife Refuge is the United States premiere network of public lands and waters which provide habitat for fish, wildlife and plants. It is administrated by the US Fish and Wildlife Service and thus looks after the protection of endangered and vulnerable species. It manages migratory birds and restores nationally significant fisheries in the country.

Mass movements are driven by gravity and can range from slow creeps to rapid landslides. The key factors in these phenomena are the steepness of slopes, type of material, and climate. The eroding and transporting power of a stream depends on its velocity, and the gradient defines the stream's vertical drop.

The force behind mass movements is, indeed, gravity. Mass movements always trend downslope due to the gravitational force. However, it's not accurate to say mass movements always lead to landslides; they vary in speed and scale. They could be a slow creep or a rapid avalanche.

Oversteepened slopes often lead to mass movements due to their angle being greater than 40 degrees. A block of material moving downslope along a curved surface is commonly referred to as a slump.

A rapid form of mass movement common in dry mountainous regions is rockfall. Water balances in the world environment are maintained since the average annual precipitation worldwide must match the quantity of water evaporated. The power of a stream to erode and transport material mainly depends on its velocity, rather than its width or length.

The vertical drop of a stream channel over a preset distance is described as its gradient.

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Answer:

3

Explanation:

Half-life is the time taken by a substance (molecule, drug or other) to lose half of its proportion. Used by extension in the field of radioactivity, the half-life, also called radioactive half-life, is the time at which half of the radioactive nuclei of a source have disintegrated.

The term half-life is often misinterpreted: two half-lives do not correspond to the full life of the product. The half-life is, in fact, the median of the life of a product, that is to say, the duration below which there remains more than 50% of the product, and beyond which there remains less than 50%. So two half-lives correspond to the duration where 50% of the 50% of the product remains, ie 25% (the quarter).

Heat's effect on the wind cycle is most easily observed near the sea. During the day, the ocean absorbs heat from the surface, keeping the air above it cooler than above the land. When the warm air rises from the shore, the cooler air from the ocean blows in to take its place. At night, the land cools quickly, while the ocean radiates the heat it absorbed, keeping the air above warm. This reverses the effect, causing the air offshore to rise and creating a breeze from the land. Uneven heating can also occur due geographical features. A mountainside exposed to the sun will warm more than a shadowed valley below it, creating a wind that blows uphill during the day and downhill at night.

The same principle is responsible for global wind patterns. The polar regions receive less solar radiation than areas near the equator, resulting in a global shift in temperature according to latitude. This, along with differences in temperature and density in various layers of the atmosphere, creates global wind patterns like the jet stream that help drive weather systems.

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Answer:

DFG = 48°.

JKL = 42°.

Explanation:

DFG and JKL are the complementary angles.

Complementary angles may be defined as the angles that has the sum of 90°.

∠DFG + ∠ JKL = 90°.

∠DFG = x+2 and ∠ JKL = x-4.

x+2 + x-4 = 90°

2x- 2 = 90°

x = 46°.

DFG = x+2 = 46+ 2 = 48 °.

JKL = x-4 = 46-4 = 42°.

Thus the answer is DFG = 48 and JKL = 42°.

Answer: True a one-year-old child can classify animals and people

Explanation:

In the age of just ten months babies can begin to develop large concepts for example it can differentiate animals, people, events and even objects. A one year old baby’s personality starts to shine through as the baby starts to figure out its likes and dislikes. Babies learning, observing, testing and figuring out how to react to things also emerge by time.

Answer:

d

Explanation:

Final answer:

Neutrons are found in the nucleus and have a neutral charge. The proton has a positive charge, while the electron is negatively charged. Liquids allow particles to move somewhat freely, and gases have particles that are the least attracted to each other.

Explanation:

Neutrons are found in the nucleus and have neutral charge. Therefore, the correct answer is that neutrons are found in the nucleus with a neutral charge.

The particle with a positive charge is the proton. Protons are constituents of the nucleus and carry a positive electric charge.

The particle with a negative charge is the electron. Electrons orbit the nucleus and are negatively charged.

In the state of matter where particles move somewhat freely but not enough to fill the entire space of a container, the correct answer is liquid. Unlike solids, whose particles vibrate but do not move from place to place, particles in a liquid can move around each other, although they are still attracted enough to stay together.

Particles are the least attracted to each other in the gas state of matter, allowing them to fill the entire space of a container.

Answer:

A.activators and inhibitors

Explanation:

took test

If you put a rock in a slingshot and draw back the rubber band the rock will fly out at a predictable speed depending on the distance that the rubber band is draw back. this is an example of the following

law

Answer:

The answers are B, C, and D.

Explanation:

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