the axial skeleton includes the
A) vertebra, skull, and ribs
B) hip bones, knees, and feet
C) shoulder bones, elbows, and hands
D) bones of the fingers and toes

The correct answers are:

- is the innermost layer;

The troposphere is the first layer of the Earth's atmosphere, thus it is the innermost one of all. This is the layer which enables life on our planet, and its composition is just the right one that life on Earth can thrive.

- has the highest air pressure;

Because this layer has the biggest density of all layers, which practically means that it has the most molecules per area, so it is the richest with gasses, this layer has the highest air pressure. The more gasses there are in a layer, the heavier it is, thus it has bigger air pressure.

The troposphere is the innermost layer of Earth's atmosphere, extends about 12 km above the surface, and contains the highest air pressure of all atmospheric layers. It is a suitable place for planes to fly but does not contain the ozone layer.

The troposphere is the innermost layer of the Earth's atmosphere, extending approximately 12 km above the Earth's surface, though it can vary depending on the location and the season. Therefore, the statements indicating it as the innermost layer and its span are correct. The troposphere is also characterized by having the highest air pressure compared to other atmospheric layers. However, the ozone layer is not located in the troposphere, but in the stratosphere, the layer above the troposphere. Finally, the troposphere is indeed a suitable place for planes to fly due to stable weather conditions and lower altitude.

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It's mitochondria :)

Answer:

c. mitochondria

Explanation:

viruses have no membrane bound organelles and this includes mitochondria

A specialized protein complex that uses light energy to drive the transfer of electrons from water to plastoquinone, resulting in the production of oxygen and the release of reduced plastoquinone into the photosynthetic membrane.

Photosystem II (PSII) is a specialized protein complex that uses light energy to drive the transfer of electrons from water to plastoquinone, resulting in the production of oxygen and the release of reduced plastoquinone into the photosynthetic membrane.

Living things are made of types of molecules, known as macromolecules.

There are four major classes of biological macromolecules:

carbohydrates

lipids

proteins

nucleic acids

Each of these types of macromolecules performs a wide array of important functions within the cell; a cell cannot perform its role within the body without many different types of these crucial molecules. In combination, these biological macromolecules make up the majority of a cell’s dry mass. (Water molecules make up the majority of a cell’s total mass.) All the molecules both inside and outside of cells are situated in a water-based (i.e., aqueous) environment, and all the reactions of biological systems are occurring in that same environment.

Pores, Good luck. :) <3

1. RNA polymerase unzips DNA

2. Free RNA nucleotides pair with complementary DNA nucleotides

3. The mRNA molecule breaks away as the DNA strands rejoin.

Hope this helps!

1. step two

2. step three

3. step one

Answer: The use of ammonia as a refrigerant is a problem because it is toxic.

Explanation:

The use of ammonia as a refrigerant is a problem because it is toxic.

Ammonia may cause severe burns and migrates to moist areas of the body like skin, eyes, nose, throat etc due to its hygroscopic nature.

Ammonia has a much broader explosive range as it is toxic in nature.

so, use of ammonia in refrigerator is a problem.

Hence, Third option is correct.

In my opinion, the progression in biotechnology will influence the people and society in a positive manner. The donors will assist in saving lives, and those who get the donations will be in better help. An ethical problem is that some of the individuals would not encourage the procedure as it is not morally right.  

Some may even refuse to accept the transplant, if it goes against their beliefs, in spite of their life being in threat. The medical complications comprise the transfer of probable diseases. If the donor exhibit pathogens of which the body of the patient has not fought yet, then they can come in contact with the diseases. However, in case if the immune system of the recipient is weakened, then it is easier for the patient to get in contact with the diseases.  

Answer:

the progression in biotechnology will influence the people and society in a positive manner. The donors will assist in saving lives, and those who get the donations will be in better help. An ethical problem is that some of the individuals would not encourage the procedure as it is not morally right.  

Explanation:

Yes. It is known that Zika can be spread sexually. So, even infected people who do not have symptoms can pass it on to others.

Answer:

Yes, they should be very concern about Zika infection

Explanation: Because, It is known that Zika can be spread sexually. So, even infected people who do not have symptoms can pass it on to others.

Cohesin is a protein complex that regulates the separation of sister chromatids during cell division, either mitosis or meiosis. Cohesins hold sister chromatids together after DNA replication until anaphase when removal of cohesin leads to separation of sister chromatids.

The chromatids are held together by the centromere.

The chromatids are held together by a structure called the centromere.

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Answer:

C. Composite volcano

Explanation:

I pass the test :)

The kind of volcano which is most likely to form from this plate movement is a composite volcano. Thus, the correct option is C.

A Volcano may be defined as an opening of the earth's crust through which molten rock, hot gases, and other materials erupt drastically.

Convergent plate boundaries lead to the occurrence of a composite volcano. The movement of such plate boundaries creates the thick magma required for molten rock or magma for these eruptions.

Therefore, the correct option is C.

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Answer:

(D). Archaea.

Explanation:

Archaea are single-celled, prokaryotic organisms that can survive in extreme conditions. Archaea that live in environments with extreme salt concentrations are known as halophiles.

Archaea use bacteriorhodopsin, a protein which helps in photosynthesis. It helps in capturing energy from light and converts it into chemical energy in the form of ATP molecules.

Thus, the correct answer is 'option (D).'

lithosphere (land), hydrosphere (water), biosphere (living things) hope this helps

After one mitotic division, end result will be two cells.

Because mitosis is a cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.

There will be 12 chromosomes in each daughter cell.

Because number of chromosome remain same (diploid) in mitosis.

Final answer:

Following mitotic division, one would end up with two cells, each containing twelve chromosomes, the same number as the original cell. Mitosis, followed by cytokinesis, ensures genetic consistency and the diploid state is maintained in the daughter cells.

Explanation:

Outcome of Mitotic Cell Division

When a cell containing twelve chromosomes undergoes one mitotic division:

a. Number of Cells: You will end up with two cells after the cell divides.

b. Number of Chromosomes per Cell: Each of the cells when the division is complete will have twelve chromosomes.

Mitosis ensures that each daughter cell receives an identical set of chromosomes to the parent cell. It is a multi-phase process consisting of prophase, metaphase, anaphase, and telophase, followed by cytokinesis. During cytokinesis, the cytoplasm divides to form two genetically identical daughter cells.

Cytokinesis completes the process started by mitosis, where each nucleus has equally separated chromosomes. This results in both daughter cells being genetically identical with a diploid number of chromosomes, identical to the parent cell. This process occurs in all normally dividing cells except germ cells.

D is the correct answer.

Answer: D. Biomes are determined by climate zones.

Explanation:

A biome is a community of animals, plants and other living organisms. The organisms living in a particular biome acquire the adaptations according to the climatic conditions of the region. In other words, the type of biome is affected by the climatic conditions of the region. For example a region which receives very low annual rainfall, with dry and hot climatic condition will result in a desert biome.

On the basis of the above explanation, D. Biomes are determined by climate zones. is the correct option.

No. Ribosomes do not have a membrane. They are composed of 2 subunits - the small subunit is where the mRNA is read and the large subunit is where the amino acids are joined together to form the polypeptide (protein) - a membrane would interfere with this process. Plus, ribosomes are in both eukaryotes and prokaryotes - and prokaryotes have NO membrane bound organelles.

Ribosomes do not have a membrane around them because they are free structures that just float through the cell's cytoplasm.

In conclusion, ribosomes do not have a membrane around them.

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The property that provides clues is texture.

the answer is texture

Answer: During transcription, adenine (A) is complementary to uracil (U) in RNA.

The answer is it's property.

Matter is defined as anything that has mass and occupies space. Particles, from smallest to largest and Amal is the greatest Subatomic particle.

Thanks for this question. Please find the answer below:  

The sources of compost for a person living in Canada versus a person living in Arizona are as below:  

Canada:  

Arizona:  

For a person living in Canada, potential sources of compost include leaves, grass clippings, fruit and vegetable scraps, coffee grounds, eggshells, and garden waste. For someone in Arizona, composting materials might be similar, but there could be a greater use of dry leaves, straw, pine needles, and even manure from local ranches or farms due to the drier climate.

Composting is a biological process in which microorganisms, including bacteria and fungi, break down organic matter into simpler compounds. The environmental conditions in Canada and Arizona are different, which affects the types of organic materials that are readily available for composting. Canada's wetter and cooler climate may provide a more diverse range of green and brown materials for compost, such as grass clippings and fallen leaves. In contrast, Arizona's arid climate might limit the availability of green waste, making it important to balance the compost with appropriate brown materials like straw or sawdust to maintain proper moisture levels. Both regions can also utilize kitchen waste, but it is crucial to keep the compost well-aerated and balanced between green (nitrogen-rich) and brown (carbon-rich) materials for effective decomposition.

The lake's pH level of 5.4 is decreasing the amount of bass and mayflies.

hope this helps :)

Answer:

The correct answer would be- the amount of bass and mayflies will decrease due to the acidic environment.

Explanation:

Bass and mayflies are insects that are sensitive to high acidic water or soil. These organisms can not live under 5.5 pH and there will be a decrease in the number of this organism with a further decrease in pH value.

Candice found that the pH level of the lake is 5.4 which is below the sensitive level of bass and mayflies will result in decreases in the amount of these organisms.

Thus, the correct answer is - the amount of bass and mayflies will decrease due to the acidic environment.

Answer:

The answer is

D)Both erosion and lack of rock deposition

Explanation:

It's no longer the dead-end of the carbon cycle. Since the industrial revolution, this material has been taken out of the ground (by Oil and Gas companies) which is for the most part subsequently burned - of which the final by-product is CO2. This fossil material also goes into making plastics and other chemicals - so the "dead-end of the carbon cycle" is not quite so straight forward anymore.

They should have had the same time for both.

Photosynthesis is the process by which plants, some bacteria and some protistans use the energy from sunlight to produce glucose from carbon dioxide and water. This glucose can be converted into pyruvate which releases adenosine triphosphate (ATP) by cellular respiration. Oxygen is also formed.

Photosynthesis uses sun energy to convert carbon dioxide and water into glucose and oxygen. The additional product of this process, apart from glucose, is oxygen.

In the process of photosynthesis, energy from sunlight is used to rearrange the atoms in carbon dioxide and water to produce glucose, a type of sugar. However, glucose is not the only product of photosynthesis. Another substance also comes out of this process: oxygen. According to the general photosynthetic equation 6CO₂ + 6H₂O + light energy --> C6H12O6 + 6O2, six molecules of carbon dioxide (CO2) and six molecules of water (H2O) react under light energy to produce one molecule of glucose (C6H12O6) and six molecules of oxygen (O2). Therefore, the correct answer to your question is Oxygen.

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the correct answer is

D

The plasma membrane is composed of a phospholipid bilayer with embedded proteins. The function is allowing specific substances to flow into the cell.

The plasma membrane is a fundamental structure surrounding all biological cells, composed of a phospholipid bilayer with embedded proteins. It serves as a selectively permeable barrier, regulating the passage of substances into and out of the cell. Additionally, the membrane plays a role in cell identity and recognition through its glycoproteins and glycolipids, facilitating essential cellular functions and interactions.

Embedded proteins in the plasma membrane play a crucial role in regulating the passage of substances into and out of the cell. They act as transport proteins, channels, and receptors, allowing specific molecules and ions to enter or exit the cell, and they are essential for various cellular processes such as nutrient uptake, signal transduction, and communication with the external environment.

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Photosynthesis occurs in the chloroplast of plant cells. Thylakoid is a membrane-bound compartment in the chloroplast, which is the site of the light-dependent reaction of photosynthesis.

Answer:

The light dependent reaction of photosynthesis takes place in the thylakoid membrane of the the organelles called chloroplast.

The light dependent reaction uses light energy( sunlight) to make molecules required for the process of photosynthesis. Out of two one is ATP molecule and the other one is NADPH.

These two molecules along with carbon dioxide and water starts the process of photosynthesis.

During chemical reactions, the chemical bonds between the atoms in the reactants are transformed. Bonds are broken in the reactants and new ones are created in the products, leading to the transformation of substances.

During chemical reactions, the chemical bonds between atoms in the reactants undergo changes.

This occurs because chemical reactions involve processes that break down the bonds in the reactants and form new ones in the products.

This is important for the transformation of substances. For instance, water forms due to a chemical reaction where two hydrogen atoms bond with an oxygen atom.

Hence, chemical bonds play a critical role in the process of chemical reactions, facilitating the transformation of one chemical substance into another.

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rocks are solid

rocks are made up of sand

rocks have more mass

minerals are loose

minerals are grainy

minerals have little mass

13.8 billion years ago

I say 13.9 billion years ago