Which of the following is a true statement about tectonic plates?a.they located in the molten layer beneath the earth first.
b.all tectonic plates are located at the earth's core
c.they're located approximately 10 meters below the surface of the ocean.
d.all of the earths landmass rests on tectonic plates.
Answers
The true statement is - d. all of the earth's landmass rests on tectonic plates.
The Earth’s lithosphere is a rigid outer part of the earth comprise of crust and top or upper mantles. The lithosphere is made up of tectonic plates. It constitutes all floor plates including oceanic floor plates and continental plates.
- The tectonic plates are present on the top of the hot molten layer of the mantle.
- It starts at the seafloor of the ocean.
- As it is the part of the lithosphere it all landmasses rest on tectonic plates
- Tectonic plates contain sediments that contain information about the Earth’s history
Thus, the true statement is - d. all of the earth's landmass rests on tectonic plates.
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a population of chimpanzees was separated when the forest that they lived in had a section cut down and a town was built. After a long period of time, the chimpanzees came back into contact but were incapable of breeding. Which of the following best describes the process that occurred?
There is no country that has complete control over the atmosphere. True False
Answers
b) more molecules must move through the membrane
c) distances from the cell membrane to various organelles are greater
d) all the above
Answers
When a cell becomes larger, more wastes must leave the cell, more molecules must move through the membrane, and the distances from the cell membrane to various organelles are greater. Option D is correct.
When a cell becomes larger, it needs to support the increased metabolic demands of its larger volume. This means that more wastes must leave the cell, as a larger cell produces more waste products that need to be eliminated.
In addition, more molecules must move through the cell membrane. The cell membrane acts as a barrier and regulates the movement of molecules in and out of the cell. As the cell grows larger, more nutrients and molecules are needed to support its increased metabolic activities, and more waste products need to be transported out of the cell. This requires more molecules to move through the membrane.
Lastly, as the cell grows larger, the distances from the cell membrane to various organelles are greater. Organelles are specialized structures within the cell that perform specific functions. In larger cells, these organelles are located further away from the cell membrane due to the increased cell volume. This can impact the efficiency of cellular processes, as substances need to travel longer distances within the cell.
In summary, when a cell becomes larger, more wastes must leave the cell, more molecules must move through the membrane, and the distances from the cell membrane to various organelles are greater. Therefore, the correct answer is d) all of the above.
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Answers
Answer:
The digestive system is my favorite system! Without it you would not survive. Our digestive system is how we break down food into nutrients that feed our cells and give us energy to move, talk, grow, think, reproduce, and all the other crazy things that humans do.
Although each of the parts of the digestive system has specific and important functions, shockingly, you can survive without some of the parts. For example, morbidly obese individuals can have their stomach entirely removed in a procedure called a gastric bypass. In this surgery, the small intestine is linked directly to the esophagus thus “bypassing” the stomach. You can also live without your appendix. In fact, it sometimes negatively impacts health as it can become infected (have you ever known someone who had their appendix burst?). The appendix was thought to be a “vestigial organ” meaning that at one point in evolutionary history, we humans had a need for it, but now we don’t; however, there is recent evidence that the appendix is an important hotbed for beneficial bacteria that help us digest food.
Explanation:
I hope this helps! Brainliest is always appreciated!
Answer:
They wouldn't be able to digest the food. It wouldn't break down like it's supposed to with the digestive enzymes.
Light energy is converted to chemical energy during photosynthesis.
O Oxygen is made from the breakdown of carbon dioxide during photosynthesis.
O Energy is absorbed by chlorophyll during photosynthesis.
The sun gives off light energy that is absorbed by plants.
Answers
Answer:
Light energy is converted to chemical energy during photosynthesis.
Explanation:
The first law of thermodynamics, which is the LAW OF CONSERVATION OF ENERGY, states that energy can neither be created nor destroyed but can only be changed from one form to another. This law explains that the energy that exists cannot be made or destroyed, it can only be transformed from one of Its form to another.
The biological process of photosynthesis illustrates this law. Photosynthesis is the synthesis of organic molecules from inorganic molecules using the energy from sunlight. Plants, via their Chlorophyll pigment capture the light energy from the sun and use it to produce their food in form of organic molecules/glucose. This glucose is a chemical compound that stores energy in its chemical bonds.
Hence, photosynthesis supports the law of conservation of energy by changing/converting light energy from sun into a chemical energy in food (glucose).
b.a higher surface area/volume ratio than the parent cell
c. more DNA in its nucleus than the parent cell
d.less DNA in its nucleus than the parent cell
Answers
The surface area to volume ratio will be higher as compared to the parent cell after cell division. Hence, option B is correct.
Further Explanation:
Cellular division is known to be the process through which the parental cell segregates into two or more daughter cells. This process generally occurs as a segment of a larger cell cycle. It comprises of 2 main stages, interphase and M-phase. Interphase is further segregated into:
- G1 phase wherein the cell prepares itself for the upcoming events.
- S phase is the phase where DNA synthesis occurs
- G2 phase is the phase wherein the cell gets ready for the M phase.
M phase or mitotic phase is the next stage after interphase and is segregated into 4 phases:
- Prophase is the first event which occurs and in this the nuclear envelope disappears, mitotic spindle formation starts, and chromosome condensation begins.
- Metaphase is wherein the alignment of chromosome occurs on the equatorial plate.
- Anaphase is the phase wherein the chromosomes segregate towards the opposite ends
- Telophase is the final stage and division of the two daughter cells is completed.
During cellular division, the cell segregates into 2 daughtercells and as the cell becomes larger, the volume elevates rapidly as compared to its surface area. Hence, option B is correct. The reduction in the cell’s ration of the volume to surface area makes it difficult for the cell to transport the required substances in and move out the waste products quickly enough for the cell to survive.
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Answer Details:
Grade: High school
Subject: Biology
Chapter: Cell Division
Keywords:
Cell division, cellular division, interphase, cell cycle, metaphase, M phase, G1 phase, prophase, G2 phase, telophase, S phase, anaphase, surface area, volume, ratio.
Final answer:
OPTION A.
After cell division, each daughter cell has a higher surface area/volume ratio than the parent cell. This is due to the division resulting in two smaller cells with same DNA content. This increased ratio is beneficial for the exchange of material across cell membrane.
Explanation:
After cell division, each daughter cell has a higher surface area/volume ratio than the parent cell. When a cell divides, it splits into two smaller cells, reducing the volume but not reducing the surface area in the same proportion. This results in each daughter cell having a larger surface area relative to its volume. This increased ratio is important because it allows for more efficient exchange of nutrients and waste products across the cell membrane.
The amount of DNA in each daughter cell is the same as in the parent cell because during cell division, the DNA is copied and then distributed evenly between the two resulting cells. Therefore, option c and d are incorrect.
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