fill in the blank

Body systems are made up of many ____ working together.
A. tissues
B. organisms
C. cells
D. Organs

Hershey and Chase started with a virus called a bacteriophage. They used the radioactive isotope sulfur-35 to label the protein of the virus and phosphorus-32 to label the DNA of the virus. They allowed the tagged virus to infect bacteria and studied the results. Hershey and Chase found that the only radioactive isotope within the bacteria was 35S. This result indicated that the genetic material inserted by the virus to infect the bacteria was 32P.

This is referred to as deoxyribonucleic acid and is the genetic material of living organisms.

Hershey and Chase showed that when bacteriophages, which are composed of DNA and protein, infect bacteria, their DNA enters the host bacterial cell, but most of their protein does not.This was why only radioactive isotope within the bacteria was 35S.

This result indicated that the genetic material inserted by the virus to infect the bacteria was 32P. This brought the conclusion that protein was not genetic material, and that DNA was genetic material.

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Answer:Bacteriophage

protein

DNA

32p

DNA

Explanation:

I got them all correct in realize

Answer:

Ozone molecules in the stratosphere are constantly being produced and destroyed by different types of UV radiation from the sun. ... However, scientists have discovered that certain chemicals react with UV radiation in the stratosphere, which causes them to break apart and release chlorine or bromine atoms.

Explanation:

1) For the first question regarding membrane potential: The most correct statement about membrane potential is: B) Voltage is measured by placing one electrode inside the membrane and another outside the membrane.

2) After an action potential has peaked, the cellular gates that open are: D) Potassium

When measuring membrane potential, typically referred to as voltage, one electrode is placed inside the cell (intracellular) and another electrode is placed outside the cell (extracellular). This setup allows for the measurement of the potential difference across the cell membrane.

Regarding the second question about the gates opening immediately after an action potential has peaked:

During an action potential, sodium channels initially open to depolarize the cell membrane and initiate the action potential. As the action potential peaks, potassium channels open, allowing the efflux of potassium ions from the cell, resulting in repolarization and the restoration of the resting membrane potential. Therefore, after the action potential peaks, it is the potassium gates that open.

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Answer: YES because if 2 wolfs share 1 deer than that could support the wolfs and 1 wolf only need like half to last a few days (not including cubs)

Explanation:

PLS mark brainlyist

Answer:

The term that describes the relationship in which one organism lives inside the other one is endosymbiosis.

Explanation:

Answer:

A 40 percent

Explanation:

If guanine is 10 percent this means that cytosine will also be 10.thats a total of 20 percent. We will then have 80 percent remaining for thymine and adenine. As we know adenine make a bond with thymine so 80 divide by 2 is 40 percent for each

Answer:

90%

Explanation: correct awnser is b 90% because if 10% is in G then the other 90% is in A

Answer:

Enjoy your free answer

Explanation:

Liquid water evaporates or the process of transpiration, forming water vapour that moves through the atmosphere, then comes down as precipitation, either enters the soil or transfers onto the lakes, rivers, oceans, etc.

Enjoy!

Liquid water evaporates or the process of transpiration, forming water vapour that moves through the atmosphere, then comes down as precipitation, either enters the soil or transfers onto the lakes, rivers, oceans, etc.

The water cycle, also known as the hydrologic cycle or the hydrological cycle, is a biogeochemical cycle that describes the continuous movement of water on, above and below the surface of the Earth.

Moreover, the water cycle shows the continuous movement of water within the Earth and atmosphere. It is a complex system that includes many different processes. Liquid water evaporates into water vapor, condenses to form clouds, and precipitates back to earth in the form of rain and snow.

Therefore, the hydrologic cycle is important because it is how water reaches plants, animals and us! Besides providing people, animals and plants with water, it also moves things like nutrients, pathogens and sediment in and out of aquatic ecosystems.

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Biochemical cycles includes the water, carbon, nitrogen, phosphorus, and sulfur cycle. Microorganisms acts in regulating biochemical systems.

In Carbon cycle, plants transport carbon from the atmosphere to the biosphere. This is done in the process of photosynthesis. The energy coming from the sun fuse with carbon dioxide and hydrogen together with oxygen coming from water to produce sugar.

Nitrogen cycle is nitrogen fixation that involves bacteria and blue-green algae. Nitrogen gas is being converted to inorganic compounds in this cycle.

Water cycle involves plants that release water to the atmosphere in the process of transpiration.

Phosphorus cycle involves decomposing microorganisms such as fungi and bacteria. This is done to balance the concentration of phosphorus in the ecosystem.

Sulfur cycle involves microorganisms such as proteus and campylobacter. They have the ability to reduce sulfur. This process is called as oxidation-reduction and assimilation-dissimilation steps of sulfur cycle.

Answer:

A cell's cytoskeleton

Explanation:

Each type of cell has its unique shape which's due to its cytoskeleton, an internal scaffold built of protein filaments.

Especially important are microtubules, dynamic filaments that constantly grow and shrink

The density (in g/mL) of the urine sample is 1.005 g/mL.

Density of a urine sample

The density (in g/mL) of a 5.00 mL urine sample from a patient suffering from symptoms resembling those of diabetes mellitus if the mass of the urine sample is measured to be 5.025 g can be calculated as follows:

Mass of urine sample = 5.025 g

Volume of urine sample = 5.00 ml

Density of urine sample is defined as mass per unit volume. The formula for density is as follows:

Density = mass/volume

             = 5.025 g/5.00 mL

             = 1.005 g/mL

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Answer:

Protoplasm is composed of a mixture of small molecules such as amino acids, monosaccharides and water, and macromolecules such as nucleic acids, proteins, lipids and polysaccharides. In eukaryotes the protoplasm surrounding the cell nucleus are actually known as the cytoplasym and that inside the nucleus as the nucleoplasms.

Answer:

What are to two types of gametes?

Sperm and Egg

A gamete is also known as?

Sex cells

What is the process called when the fusion of gametes create a zygote?

Fertilization

Is a zygote a diploid of haploid cells?

Diploid

-TheUnknownScientist

Answer:

types of gametes is sperm

gamete is also known as sex cells

the process called when the fusion of gametes create a zygote is fertilization

Answer:

stomata openings at the side of leaf epidermis

Explanation:

Vitamins are essential to the healthy functioning of the body because they are involved in regulating our body's processes, often as coenzymes for chemical reactions. Some vitamins help in building bone and some are antioxidants that can protect against free radicals.

Vitamins are a group of organic substances that are required in small amounts in the body for normal growth, maintenance, and development. Vitamins do not provide energy directly, but they are required for the processing of carbohydrates, proteins, and fats by the body. They are involved in numerous body functions and play an essential role in maintaining good health. Vitamins are essential for a healthy functioning body because of the following reasons: They are involved in regulating our body's processes, often as coenzymes for chemical reactions.

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Answer: Because carbon dioxide causes toxification of blood which leads to the death of human beings

Explanation: Increased carbon dioxide in human blood causes a decrease in oxygen in the blood by binding itself to the hemoglobin which causes a decrease in oxygen in the blood thereby leading to hypoxia and necrosis of the tissues in the body causing myocardial infarction which leads to death.

A developing culture of E. coli is given an antibiotic, which causes the cells to perish. Then a bacteriophage is injected, but the phage fails to grow inside the E. coli cells. Because bacteriophages would rely too heavily on possessing a living host cell's active machinery for replication.

By adhering to a bacterial strain that is sensitive to it, a bacteriophage infects a host cell. When a bacterium is infected, a bacteriophage takes over the host cell's machinery and directs the cell to produce viral components rather than bacterial ones.

We can conclude that the phage could not develop inside the E. coli cells because bacteriophages would be too dependent on having an active host cell for replication.

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Answer:

D) Antbiotics kill damaging bacteria by rupturing cell walls.

Explanation:

Antibiotics are drugs that kill bacteria or slow their growth. They function in various ways, but one common mechanism is by interfering with the construction of the bacterial cell wall, causing the bacterium to burst and die. Importantly, antibiotics are effective against bacteria, but they do not work against viral infections because viruses do not have cell walls.

The other options are not accurate:

A) Antibiotics do not attack all bacteria cell membranes. They selectively target specific types of bacteria, and some bacteria are naturally resistant or can become resistant to certain antibiotics.

B) Antibiotics are not effective against viruses. Viruses lack the structures that antibiotics target, such as cell walls.

C) Antibiotics do not protect the membranes of bacterial pathogens. Their purpose is to kill or inhibit the growth of these pathogens, not to protect them.

Answer:

D. cells come only from other living cells.

Explanation:

The cell theory states that all cells come from prexisting cells. They are found in ALL living things, not most. all cells have membranes and only certain plant cells capture energy from sunlight.

Answer:

d. cells come only from other living cells.

Explanation:

took test :)

The fungus Aspergillus can cause a variety of diseases, depending on the condition of the person (Option C).

Aspergillus is a type of fungus that grows in different climatic conditions around the world and that is well known because it can survive both in indoors and outdoors environments.

This fungus (Aspergillus) is well known to cause Aspergillosis, which is a disease characterized by distinct symptoms such as shortness of breath,  wheezing, fever, and loss of weight.

In conclusion, the fungus Aspergillus can cause a variety of diseases, depending on the condition of the person (Option C).

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First, we must understand that before limbless snakes, there was an ancestor that possessed limbs. In the population of this ancestor, a mutation occurred in one of the individuals that caused it not to develop limbs.

Currently, the data suggest that the loss of limbs was due to the Sonic hedgehog gene and the regulatory region of this gene, the ZRS region.

The mutation (a deletion or loss of nucleotides) in the regulatory region (ZRS) meant that the sonic hedgehog gene could not be expressed correctly and therefore the gene could not drive limb development.

We already know how the loss of limbs occurred, now the question is, how was this feature maintained over time?

Today, snakes do not have limbs because the limbless ancestor was able to reproduce in a great way and therefore its descendants have lasted until today. This was probably because the lack of limbs gave it an advantage and a greater survival compared to the other animals in the population that did have limbs.

A person's genotype (i.e., DNA sequence in their genome) can be highly predictive of a condition they will develop during life. This phenomenon is best described as a genetic predisposition

A genetic predisposition is the possibility of an increased risk of acquiring a specific illness or disease due to a person's DNA sequence in their genome. The probability of developing the disease is calculated as a percentage, with 100% indicating that if a person possesses the specific DNA sequence, they will develop the disease. For example, breast cancer predisposition genes (BRCA1 and BRCA2) are hereditary and indicate an increased risk of breast and ovarian cancer if present. They do not necessarily guarantee that an individual will develop the disease, but they do indicate an increased likelihood of developing it.

A person's genotype can be highly predictive of the conditions they are likely to develop during life. It can also be used to create personalized medicine, allowing physicians to predict which medicines are likely to be effective and which ones are not. This information can help doctors create better treatment plans for patients, improving their chances of recovery.

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Solid fossil fuel are formed over millions of years by decay of land vegatation or plant remains. When the layers are settled and heated, coal is produced as deposits. Fossil fuels are burned to produce energy. Power plants burn coal or oil to build heat that is consequently used to make steam to drive turbines which generate electricity.

Answer - Solid fosiil fuel formed from decay of land vegetation or plant remains. Produces energy when burned.

Answer:

The arm is located superior (above) to the forearm, and the forearm is located inferior (below) to the arm. The hand is located distal (farther away) to the wrist, and the wrist is located proximal (closer to) to the hand.

Explanation:

Proteins can interact with DNA and recognize DNA sequences without unwinding the DNA double helix. How.Proteins can interact with DNA and recognize DNA sequences without unwinding the DNA double helix because of their specific DNA-binding domains. Proteins that interact with DNA can include transcription factors, DNA helicases, and DNA polymerases.

These proteins are capable of recognizing specific DNA sequences by using their specific DNA-binding domains, which can include zinc fingers, leucine zippers, helix-loop-helix, and homeodomains. These domains can interact with the DNA helix and enable proteins to recognize specific DNA sequences without unwinding the DNA double helix.

However, certain proteins can require DNA unwinding to interact with the DNA, such as DNA polymerases that use unwound DNA as a template to replicate DNA sequences during DNA replication. The mechanism that proteins use to interact with DNA sequences without unwinding the DNA.

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