How does the muscular system help humans maintain posture?
1.Muscles continually align themselves vertically to help maintain posture.
2.Muscles continually push bones to be straight.
3.Muscles constantly contract to help fight gravity.
4.Muscles constantly contract to help work with gravity.

The process of breathing involves the exchange of oxygen and carbon dioxide.

The process through which gases are exchanged between blood and bodily tissues is called diffusion. Blood carries respiratory gas to every cell in the body. Even the most remote areas of the body's tissue are supplied with blood flow by tiny capillaries.

The circulation receives oxygen from the lungs during gas exchange. The blood and lungs exchange carbon dioxide at the same time. This occurs in the lungs between a network of microscopic blood arteries known as capillaries and the alveoli.

To know more about oxygen visit:-

https://brainly.com/question/13370320

#SPJ4

Answer:

B

Explanation:

Tonsils traps and destroys the foreign substances and filters from the blood option c is the correct answers

The tonsils' primary job is to snare the germs that enter the body through breathing. They serve as the body's initial line of defense when contagious microbes invade it. For instance, the lymph, a clear and colorless fluid, is used to wash out bacteria and viruses that enter the body through the mouth and nose and are found by the tonsils.

The tonsils also function as a defense system by preventing foreign objects from entering the lungs.

These also remove viruses and germs. These also result in the production of white blood cells and antibodies.

White blood cells are abundant in your tonsils and aid in the killing of pathogens.

therefore your tonsils can "catch" germs that enter your body through your nose or mouth since they are located at the back of your throat.

To learn more about Tonsils here

https://brainly.com/question/2162267

Answer: The plasma membrane is composed of a bilayer of phospholipids, with their hydrophobic, fatty acid tails in contact with each other. The landscape of the membrane is studded with proteins, some of which span the membrane. Some of these proteins serve to transport materials into or out of the cell. The principal components of the plasma membrane are lipids (phospholipids and cholesterol), proteins, and carbohydrate groups that are attached to some of the lipids and proteins. A phospholipid is a lipid made of glycerol, two fatty acid tails, and a phosphate-linked head group.

Hope this helps...... Stay safe and have a great day/night!!!!! :D

The matching given the accurate description of the terms is given below:

The given terms are to be matched to the correct descriptions.

The correct matches are given below:

In conclusion, the correct matches gives the accurate description of the given terms.

Learn more about kinetic and potential energy at: https://brainly.com/question/18963960

#SPJ1

Answer:

The sequence of bases in a DNA molecule can determine the order of amino acids in a protein molecule. Groups of three bases called triplets represent different amino acids. This is the basis of the genetic code . A sequence of bases (genetic information) on DNA that codes for a protein is called a gene .

Explanation:

DNA is a genetic material that is made up of two polynucleotide chains.

The structure of a protein is determined by the structure of DNA :

DNA helps in protein synthesis by giving one template in it to produce the mRNA. So if there are any changes in the sequence of DNA, it will affect the protein sequence.

Thus, that's how protein synthesis occurs.

To know more about DNA, visit here:

https://brainly.com/question/264225

The discovery of Penicillin is significant because Penicillin wаs the first effective аntibiotic thаt could be used to kill bаcteriа.

The discovery of penicillin wаs а mаjor medicаl breаkthrough. Penicillin wаs the first effective аntibiotic thаt could be used to kill bаcteriа. This meаnt thаt cures for serious illnesses were possible even if the pаtient hаd the diseаse. Penicillin hаd been discovered during the 19th century, but it wаs Аlexаnder Fleming who first reаlised its greаt importаnce in 1928. During World Wаr I, he noticed thаt аntiseptics seemed unаble to prevent infection, pаrticulаrly in deep wounds. He decided to try to find something thаt could kill the bаcteriа which cаused infections like septicаemiа.

For more information about penicillin refers to the link:

https://brainly.com/question/12566832

#SPJ4

Cyanobacteria play a crucial role in freshwater and marine ecosystems by providing essential resources to other organisms that rely on oxygen, nitrogen, and organic compounds for their survival. They are capable of producing oxygen through photosynthesis, which is vital for the survival of aerobic organisms in these environments. The oxygen released as a by-product of cyanobacterial photosynthesis contributes to maintaining oxygen-rich conditions in the water.

In addition to oxygen production, cyanobacteria are important nitrogen fixers. They have the ability to convert atmospheric nitrogen gas into useful nitrogen compounds, such as ammonia and nitrates, through a process called nitrogen fixation. These nitrogen compounds are essential nutrients for other organisms, including plants and algae, that require them for growth and metabolism.

Furthermore, cyanobacteria synthesize various organic compounds that can be utilized by other organisms when they decompose. As cyanobacteria break down, they release organic matter into the environment, providing a source of nutrients for other organisms. This decomposition process contributes to the cycling of nutrients in the ecosystem.

Interestingly, cyanobacteria have the ability to use methane as a carbon source and electron donor in cellular respiration. This unique characteristic allows them to coexist with other organisms that rely on oxygen and nitrogen, as they do not directly compete for these resources.

In specific cases, cyanobacteria form symbiotic associations with other organisms. For example, certain species of cyanobacteria live in a mutualistic relationship with water ferns in rice paddies. These cyanobacteria provide nitrogen to the rice plants, acting as natural fertilizers and enhancing their growth.

Overall, cyanobacteria play a vital role in supporting the ecological balance of freshwater and marine ecosystems by producing oxygen, fixing nitrogen, synthesizing organic compounds, and forming beneficial associations with other organisms. Their activities contribute to the availability of essential resources and the overall productivity and sustainability of these environments.

Know more about Complex Organic Compounds here:

https://brainly.com/question/14658388

#SPJ11

The atomic number consists of only the number of neutrons. Atomic mass also includes the number of protons. Option A.

The atomic number is the number of protons in an atom. On the other hand, the number of neutrons for a particular element can vary. Together, the number of protons and the number of neutrons determine the element's mass number. The main difference between atomic number and mass number is what the atomic number indicates.

Indicates the number of protons present in the atom, and the mass number indicates the total number of protons and the number of neutrons present in the atom. Since atoms are electrically neutral, the number of positively charged protons must equal the number of negatively charged electrons. Since neutrons do not affect the charge, the number of neutrons does not depend on the number of protons and varies even between atoms of the same element.

Learn more about The atomic number here:-https://brainly.com/question/4206478

#SPJ1

Answer:

Soil health is fundamental for a healthy food production. It provides essential nutrients, water, oxygen and support to the roots, all elements that favor the growth and development of plants for food production

Explanation:

The contact angle is the angle formed between a liquid droplet and a solid surface at the point where they come into contact. It is a measure of the wettability of the surface by the liquid.

The pressure angle refers to the rotational position of a camshaft in an engine. A camshaft has lobes or cams that are used to control the opening and closing of valves in the engine.

To learn more about pressure angle, visit here

https://brainly.com/question/33290682

#SPJ11

As altitude increases, temperature decreases. What is the relationship between atmospheric pressure and the density of gas particles in an area of decreasing pressure? As air pressure in an area decreases, the density of the gas particles in that area decreases.

One of the main reasons why carbohydrates play an important role in nutrition is because they are the fuel for the human body.

This nutrient is the main fuel used by our body as a source of energy and a diet deficient in carbohydrates can cause some symptoms such as weakness, irritability and even depression.

With this information, we can conclude that Carbohydrates must be part of our daily diet in adequate amounts, even for those who are diabetic or wish to lose weight. Instead of cutting carbohydrates from our meals (as some diets preach), we should prioritize complex carbohydrates and consume simple carbohydrates in moderate amounts, preferably associated with other foods that are sources of fiber, protein and fat. We should not see any food as a villain in itself, because our body is the sum of the different foods we eat daily and the behaviors and habits we adopt.

Learn more about Carbohydrates in brainly.com/question/14614055

#SPJ1

According to the research, the correct answer is ribosomes. The organelle in the cell that is responsible for Davion's inheritance of this genetic disease called Treacher-Collins Syndrome is ribosome.

It is a syndrome considered polyformative when multiple malformations are found, it has an abnormal craniofacial development pattern, and it is caused by a mutation of the chromosome that codes for the protein melasa.

In this sense, the protein melase is involved in ribosomal biogenesis, that is, it is involved in the transcription of the ribosomal DNA gene, as an important component of cell organelles called ribosomes, rRNA is essential for protein assembly.

Therefore, we can conclude that according to the research, Ribosome mutations of the protein melasa have been associated with Treacher Collins syndrome.

Learn more about Ribosome here: https://brainly.com/question/14459253

#SPJ1

a. Plants use CO2 in the process of photosynthesis to make glucose (sugar) and oxygen.

b. Animals use oxygen in the process of cellular respiration and make more CO2.

c. The oceans are the main regulator of CO2 in the atmosphere because CO2 dissolves easily in them.

d. In the past, huge deposits of carbon were stored as dead plants and animals in the form of fossil fuels.

e. Today these deposits are burned as fossil fuels, which include coal, oil, and natural gas.

f. More CO2 is released into the atmosphere today than in the past because of human activities, such as burning fossil fuels and deforestation.

g. Too much CO2 in the atmosphere may be responsible for the greenhouse effect/global warming,

where increased concentrations of greenhouse gases trap heat and lead to rising temperatures on Earth.

Learn more about Greenhouse Gases:

https://brainly.com/question/12684997

#SPJ11

Answer:

The correct answer is -

Activity is the study of human karyotype

There are 22 autosomes

The sex chromosome has one copy of the X chromosome and one copy of the Y chromosome.

Explanation:

The statement "The mitochondria make ATP' correctly pairs an organelle with its function in the cell because they produce this high-energy molecule.

Adenosine triphosphate (ATP) is a high-energy molecule produced during cellular respiration, which is mainly achieved in mitochondria.

Mitochondria produce a high amount of ATP by a process known as oxidative phosphorylation.

In conclusion, the statement "The mitochondria make ATP' correctly pairs an organelle with its function in the cell because they produce this high-energy molecule.

Learn more about ATP and mitochondria here:

https://brainly.com/question/869305

#SPJ1

Aminoacyl-tRNA synthetases ,  Initiation factors ,  Elongation factors and  Release factors are list all enzymes that participate in the transcription and translation process.

During translation, mRNA serves as a template for protein synthesis while tRNA brings in the amino acids that match the mRNA codons. The mRNA carries the genetic information from the DNA in the nucleus to the ribosome where it is translated into a protein. The tRNA molecules, on the other hand, carry the specific amino acids to the ribosome and match them to the codons on the mRNA.

Enzymes that participate in the transcription process include RNA polymerase, which synthesizes the mRNA from the DNA template, and helicase, which unwinds the double-stranded DNA molecule to expose the template strand. Another enzyme involved is topoisomerase, which relieves the tension caused by the unwinding of the DNA.

Enzymes that participate in the translation process include aminoacyl-tRNA synthetases, which attach the correct amino acids to their corresponding tRNA molecules, and peptidyl transferase, which catalyzes the formation of peptide bonds between amino acids. Initiation factors help to assemble the ribosome, elongation factors help to add new amino acids to the growing polypeptide chain, and release factors help to release the completed polypeptide from the ribosome.
Hi there! During translation, tRNA and mRNA have distinct roles. mRNA serves as the template that carries genetic information from DNA and provides the sequence of codons needed for protein synthesis. In contrast, tRNA is responsible for recognizing and carrying specific amino acids to the ribosome to match the codons on the mRNA.

In the transcription and translation process, various enzymes and protein factors play important roles. For transcription:

1. RNA polymerase: This enzyme synthesizes the mRNA by adding RNA nucleotides complementary to the DNA template.

2. Transcription factors: These proteins help regulate the transcription process by binding to specific DNA sequences and assisting RNA polymerase in initiating transcription.

During translation, there are several enzymes and factors involved:

1. Aminoacyl-tRNA synthetases: These enzymes attach specific amino acids to their corresponding tRNA molecules, forming aminoacyl-tRNAs.

2. Initiation factors: These proteins facilitate the assembly of the ribosome, mRNA, and initiator tRNA at the start codon to begin translation.

3. Elongation factors: These proteins assist in the addition of amino acids to the growing polypeptide chain and ensure the correct positioning of tRNA and mRNA on the ribosome.

4. Release factors: These proteins recognize the stop codon on mRNA and promote the termination of translation, releasing the completed polypeptide chain.

To know more about translation process. click here:

brainly.com/question/22559209

#SPJ11

Answer:

It would be wind erosion but that's not on there so it might be wind

Explanation:

Answer:

Ribosomes?

Explanation:

Answer:

Ribosomes

Ribosomes are the structure that is in the nucleus to assemble the proteins.

Answer:

Atoms used energy to make new molecules.

Explanation:

Atoms used energy to make new molecules through making bonds with one another because bonds allow atoms to attached tightly with each other. The energy come from the external environment in order to produce new molecules. So we can conclude that energy is the main ingredient needed for making new molecules and this energy is gained from the environment.

Answer:

I would like to help, but what are the new molecules they are producing? And what are the atoms the question is talking about?

Currently, there is equal as much organic carbon in our ocean than our crust of Earth.

Most of the organic carbon on earth is stored in rocks and sediments. Rest is located in ocean and atmosphere.

Organic Carbon is the foundation of all forms of life on Earth, it is required to form complex molecules like proteins and DNA. Largest amount of organic carbon on Earth is stored in sedimentary rocks within the planet's crust. The ocean contains the bulk of the organic carbon .

The next largest organic carbon storage site is in soil and sediment. This includes soil, fossil fuel deposits and marine sediment.

To learn more about  Organic carbon , here

brainly.com/question/13231783

#SPJ1

Answer:

When gas molecules are warmed, their average kinetic energy also increases. This means they move faster and have more frequent and harder collisions inside of the balloon.

Explanation:

When the beach ball deflates, its gas particle concentration rises, and when it inflates, it falls.

The minute components which make up gases are called gas particles. These particles, which can be atoms or molecules, are constantly moving randomly and crashing against one another and the container walls. The volume, pressure, temperature, or density of gases are all determined by how the gas particles behave.

Particles move continuously in a straight path in a gas. They are significantly farther apart and move independently of one another because the kinetic energy of the molecule is higher than the attraction force between them. There are typically almost nothing appealing about interactions between particles.

Therefore, when the beach ball deflates, its gas particle concentration rises, and when it inflates, it falls.

Learn more about Gas particles, here:

https://brainly.com/question/14932426

#SPJ2

Using dams as freshwater sources can damage existing habitats.

What is the Environmental Impact of dams?

Freshwater habitats are severely harmed by dams, which has an impact on both humans and the environment. Dams, canals, and diversions already stop the flow of 60% of the world's major rivers. Dams and the infrastructure they are associated with, including irrigation systems, are a major cause of the disappearance of numerous freshwater habitats and species.

Dams cut off rivers from their marshes and floodplains. Freshwater ecosystems may suffer catastrophic harm. They affect fish migration patterns and inundate riparian habitats such as waterfalls, rapids, riverbanks, and wetlands. Dams alter the diversity and productivity of species by impeding the natural flow of sediment to deltas, estuaries, flooded forests, wetlands, and inland seas. Water quality is impacted by dam activities as well. Retention of water and sediment has an impact on the capability of rivers to handle waste and the quality of the water (the ability to break down organic pollutants). This might result in the creation of harmful hydrogen sulfide gas, further lowering the quality of the water.

Hence, the answer is, D. Dams can damage existing habitats.

To learn more about dams follow the link :

https://brainly.com/question/29419538

#SPJ1

Answer:

It's A

Explanation:

Sorry the other guy was no help.

Answer:

There are 16 chromosomes in a diploid onion cell. There are 8 chromosomes in a haploid, reproductive cell. At anaphase the duplication of the chromosomes has been completed and the previously dissolved nucleus has begun to reform.

In this exercise, we have to use our knowledge of biology to explain the number of chronosomes present in an onion cell during its reproduction, as well as:

There are 16 chromosomes in a diploid onion cell.

Chromosomes are compact bodies that carry genetic information. Each chromosome is made up of a long, linear DNA molecule associated with proteins. Chromosomes (from the Greek, chroma, color, and soma, body) are compact bodies that carry genetic information.

at metaphase it was possible to identify metacentric and submetacentric chromosomes, and the chromosome number (2n = 16) of the onion.

See more about chromosome at brainly.com/question/296477

Answer:

D. Perform surgeries

Explanation: