The double helix of DNA is like a twisted ladder. The ladder is made of 2 strands of nucleotides. The sugars and phosphates make up the "_____________ backbone", or the outsides of the ladder. *

Answer:

That is a bacteria cell

A - pilus/pili

B - capsule

C - cell wall

D - plasma membrane

E - DNA in nucleoid

Explanation:

Answer:

33.That is a bacteria cell

34.

A - pilus

B - capsule

C- cell wall

D - plasma membrane

E - DNA in nucleoid

Answer:

Qualitative and quantitative are two research technique that used in microbiology to collect the data information. These are very useful techniques.

Explanation:

There are several technique has been used in microbiology in collecting data. There are qualitative and quantitative collection of data. Qualitative data tells about data intent in yes or no form. The other techniques such as quantitative technique which provide information about the numerical value of data.

Qualitative technique is used in research would collect data on growth of the bacterial sample on the solid growth of the sample. It is used to assess whether the bacteria in the data is living or dead. It reveals the wealth of the qualitative information of data. The observation of microorganism in microscope get information whether the organism is in propelled motion or its dead.

Answer:

I personally used to live in Florida when i was little and I went through one hurricane and it absolutely destroyed our house. Unfortunately we did not have property insurance and we had to pay out of pocket for repairs. I believe everyone should be able to be provided with property insurance in these disaster areas. In the text, It states "Property damage from Hurricane Katrina and costs to rehabilitate or rebuild the area may exceed $100 billion, making it the most costly hurricane in U.S. history." Thats a lot of money to recuperate and still some people hadn't recovered in some areas.

Explanation: I got 100% ur welcome:)

Insurance should be provided for these areas because people are in need. This insurance should be buyable like car or home insurance. If wreckage to these places happens so often I think it would be silly not to have back up in this form. Personally I would just move out of the area and to some place safer.  - 100%

Answer:

A:

ATP

Explanation:

Science yeah

Sexual reproduction involves the fusion of two gamates (haploid cells), resulting in diploid cells with genetic variation. On the other hand, asexual reproduction involves the division of a diploid cell resulting in cells genetically identical to the parental one.

Asexual reproduction involves the division of a cell through mitosis or fission, resulting in two equal cells carrying the exact same information and genetic charge. In several organisms, these dividing cells are diploid.

Sexual reproduction involves two haploid cells (gametes) that merge and compose a diploid cell. The genetic information of these new diploid cells is different from the parental one because gametes from each parent introduce genetic variability. Gametes are produced by meiosis.

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False: Dr. browning hypothesizes that there was one instance of interbreeding between denisovans and homo sapiens.

The statement that Dr. browning hypothesizes that there was one instance of interbreeding between denisovans and homo sapiens is not true because she hypothesized that there were two instances of interbreeding between denisovans and homo sapiens. The two instances were reflected in South East Asia and Northern Asia.

Neanderthals and Denisovans, two ancient hominins who interbred with anatomically modern humans as they spread out of Africa, have genome sequences available. We found large stretches of DNA that are inconsistent with a single Denisovan origin in 161 new genomes from 14 island groups in Island Southeast Asia and New Guinea. These haplotypes were identified with high confidence.

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The cross between WwGg and Wwgg parents is expected to result in offspring with fruit colour ratios of 9 white: 3 yellow: 4 green.

In the given cross, WwGg represents the genotype of one parent (heterozygous for both white and yellow fruit colour genes), while the other parent has the genotype Wwgg (heterozygous for white fruit colour and homozygous recessive for green fruit colour).

To determine the fruit colour ratios in the offspring, we need to consider the inheritance patterns of the genes involved. The white fruit colour gene (W) is dominant over the coloured fruit allele (w), while the yellow fruit colour gene (G) is dominant over the green allele (g).

By using a Punnett square, we can calculate the expected genotypes and phenotypes of the offspring. The Punnett square for this cross would yield genotypes WWGg, WWgg, WwGg, and Wwgg in a ratio of 1:1:4:4.

Based on the genotypes, we can determine the fruit colour ratios. WWGg and WWgg will result in white fruit, while WwGg and Wwgg will yield white and green fruit, respectively. Therefore, the expected fruit colour ratios from the cross WwGg x Wwgg are 9 white: 3 yellow: 4 green.

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Answer:

Principle Condominance

The given image represents the oxygen cycle. The correct option is C.

The biogeochemical cycle that describes the movement of oxygen within and between the Earth's atmosphere, biosphere, and lithosphere is known as the oxygen cycle.

Oxygen is constantly produced and consumed in various parts of the cycle, with photosynthesis, the process by which green plants and some bacteria convert carbon dioxide and water into organic compounds and oxygen, serving as the ultimate source of oxygen.

The oxygen produced during photosynthesis is released into the atmosphere and used by living organisms for respiration, which is the breakdown of organic compounds to release energy and carbon dioxide.

Human activities, such as the burning of fossil fuels and deforestation, can have an impact on the oxygen cycle by altering the balance of carbon dioxide and oxygen in the atmosphere.

Thus, the correct option is C.

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Your question seems incomplete, the probable complete question is:

Which cycle is represented in this image?

A. Nitrogen cycle

оо

O B. Water cycle

O C. Oxygen cycle

O D. Carbon cycle

Answer:

capillaries

Explanation:

According to the induced-fit model of enzyme action, the interaction of the enzyme's substrate leads to a conformational change in the active site.

The interaction between the enzyme and the substrate causes this conformational change. The active site is flexible and dynamic rather than rigid and static. First, the size of the substrate may not exactly match the active site of the enzyme. However, the shape of the enzyme changes when the substrate binds to the active site, improving the fit between enzyme and substrate. This induced fit improves the catalytic activity of the enzyme. The enzyme–substrate interaction is dynamic, as highlighted by the induced-fit model.

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When using images and graphs to express the results of a research, both of them should express the same information to make their interpretation easier. Option A is the one that best models the waves in the four locations.

There are different ways in which a researcher can correctly express the results of an experiment or research. It can be done by using images, tables, graphs, diagrams, etcetera.

Usually, combinations of one or more are used to express the same results in order to make it easier to make interpretations (for instance, tables and charts). In these cases, the same data must be expressed in all of them, so the interpretation is coherent.

In any case, there must always be a reference to what is being shown, so the persons looking at the image, chart, or table, get to know what they are looking at.

For instance, in the exposed example we can see the satellite image of ocean surfaces on Earth at different locations.

To get to understand this image by itself, we need references. These are given below in the sea surface height anomaly gradient.

This gradient explains the change in height from the lowest height -the darkest color that reflects -50 cm-, to the highest height -white expresses 50 cm-.

Letters A, B, C, and D are references to the locations that were considered.

If we want to make a graph with this same information, we need to make a good interpretation of the image and then reflect it in the graph.

In the exposed example, graph A is the one that best reflects the information provided in the image but is not entirely correct.

Image

The graph must express the change in water surface height. This change is expressed in the Y ax of the chart.

Probably the X ax represents normal heights.

According to the information,

Graph A is the one that best represents this information.

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Answer:

yes

Explanation:

It is a fat-soluble vitamin that has long been known to help the body absorb and retain calcium and phosphorus; both are critical for building bone. Also, laboratory studies show that vitamin D can reduce cancer cell growth, help control infections and reduce inflammation.

Tay-Sachs disease is an inherited disorder that affects the nervous system. It is caused by a mutation in the HEXA gene that leads to the accumulation of a fatty substance called ganglioside GM2 in the brain and nerve cells, which eventually causes neurological damage.

The People who are heterozygous for the gene that causes Tay-Sachs disease have one normal allele and one mutated allele. They are known as carriers, meaning they do not have the disease but can pass on the mutation to their children. Carriers of Tay-Sachs disease do not typically experience symptoms of the disease and live a normal life.
There is some evidence to suggest that carriers of Tay-Sachs disease may have a benefit in terms of higher resistance to certain infections. Studies have shown that the same genetic mutation that causes Tay-Sachs disease is also associated with a higher incidence of resistance to tuberculosis and HIV infection. It is believed that this may be because the same fatty substance that accumulates in the brains of individuals with Tay-Sachs disease also plays a role in immune system function. However, it is important to note that being a carrier of Tay-Sachs disease does not guarantee immunity to these infections, and carriers should still take precautions to protect themselves from these diseases.

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Answer:

+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_

1.plants, algae, and some types of bacteria are all examples Autotroph

  Dogs, birds, fish, and humans are all examples of heterotrophs.

+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_

2. the 6 main types of organisms  They can be divided into six major types: bacteria, archaea, fungi, protozoa, algae, and viruses. Organisms are classified by taxonomy into groups such as multicellular animals, plants, and fungi; or unicellular microorganisms such as protists, bacteria, and archaea. All types of organisms are capable of reproduction, growth and development, maintenance, and some degree of response to stimuli.

+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_

3. The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers, such as plants and algae, use energy from sunlight to make food energy by combining carbon dioxide and water to form organic matter. This process begins the flow of energy through almost all food webs.

+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_

4. Thermal Energy ,Nuclear Energy, Chemical Energy, Electromagnetic Energy, Sonic Energy ,Gravitational Energy, Kinetic Energy and Potential Energy

+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_+-+_

Answer:

Explanation:

Because all energy comes from plants, in terms of the macromolecules. The energy from the plants moves up through the tropic levels. It could also help the higher tropic levels with structural support.

Answer:

Answer number 2

Explanation:

So in Geology, Precipitation of rock layers took place over the last hundreds of millions of years...During that process many living organisms have died and are precipitated with the rock layers... Let me explain with an example.

Dinasours went extinct Million years ago while the Dodo bird went extinct a couple of hundred years ago

Would you expect to find Dinasour fossils in newer rock layers or the dodo? lets's say 200m deep? Dodo for sure, Dinasour fossils are waay too old to be found at such shallow deeps that's why fossils in newer layer of rocks are absolutely younger than fossils found at deeper layers

Answer:

Explanation:

With age, growth plate cartilage undergoes programmed senescence, eventually causing cessation of bone elongation and epiphyseal fusion. Estrogen accelerates this developmental process. We hypothesized that senescence occurs because progenitor cells in the resting zone are depleted in number and that estrogen acts by accelerating this depletion. To test this hypothesis, juvenile ovariectomized rabbits received injections of estradiol cypionate or vehicle for 5 weeks, and then were left untreated for an additional 5 weeks. Exposure to estrogen accelerated the normal decline in growth plate height and in the number of proliferative and hypertrophic chondrocytes. Five weeks after discontinuation of estrogen treatment, these structural parameters remained advanced, indicating an irreversible advancement in structural senescence. Similarly, transient estrogen exposure hastened epiphyseal fusion. Estrogen also caused a more rapid decline in functional parameters of growth plate senescence, including growth rate, proliferation rate, and hypertrophic cell size. However, in contrast to the structural parameters, once the estrogen treatment was discontinued, the growth rate, chondrocyte proliferation rate, and hypertrophic cell size all normalized, suggesting that estrogen has a reversible, suppressive effect on growth plate function. In addition, estrogen accelerated the normal loss of resting zone chondrocytes with age. This decrease in resting zone cell number did not appear to be due to apoptosis. However, it was maintained after the estrogen treatment stopped, suggesting that it represents irreversible depletion. The findings are consistent with the hypothesis that estrogen causes irreversible depletion of progenitor cells in the resting zone, thus irreversibly accelerating structural senescence and hastening epiphyseal fusion. In addition, estrogen reversibly suppresses growth plate function.

Answer:

Oxygen

Explanation:

Cells are surrounded by a selectively permeable membrane that controls the movement of molecules in and out of the cell. The concentration of solutes (dissolved substances) inside a cell is different from the concentration of solutes outside the cell. This difference in solute concentration is called the tonicity of a solution.

Hypertonic solutions have a higher concentration of solutes outside the cell compared to inside the cell, while hypotonic solutions have a lower concentration of solutes outside the cell compared to inside the cell. To determine whether a solution is hypertonic, hypotonic, or isotonic (having the same solute concentration inside and outside the cell), we can use a process called osmosis.

Osmosis is the diffusion of water molecules across a selectively permeable membrane from an area of high water potential (low solute concentration) to an area of low water potential (high solute concentration). In a hypertonic solution, the water potential outside the cell is lower than inside the cell, so water molecules will diffuse out of the cell, causing the cell to shrink. This is known as crenation.

On the other hand, in a hypotonic solution, the water potential outside the cell is higher than inside the cell, so water molecules will diffuse into the cell, causing the cell to swell. This is known as plasmolysis.

In an isotonic solution, the water potential inside and outside the cell is the same, so there is no net movement of water molecules across the membrane. The cell will not change in size.

So, to determine whether a solution is hypertonic, hypotonic, or isotonic, we can observe the effect of the solution on a living cell. A hypertonic solution will cause a plant cell to shrink, a hypotonic solution will cause a plant cell to swell, and an isotonic solution will not cause any change in the size of the cell.

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Answer:

Natural selection is the process through which populations of living organisms adapt and change. Individuals in a population are naturally variable, meaning that they are all different in some ways. This variation means that some individuals have traits better suited to the environment than others.

Have a wonderful day! :-)

Answer:

The length of time for the processes of weathering and erosion to occur are very long, however some quick.

Depending on the force, erosion can happen quickly or take thousands of years.

However weathering usually takes a long time.

When red onion cells are placed in distilled water, they do not swell up and burst because the onion cells have cell walls made up of cellulose that helps maintain its structural rigidity. The red blood cells, on the other hand, do not have cell walls, hence why they burst in a distilled water solution.

The cell wall of plant cells is made up of cellulose, which is a rigid polysaccharide that maintains the cell's shape and provides structural support. The cell wall surrounds the cell membrane, and in the case of red onion cells, prevents the cell from bursting in a distilled water solution. The cell wall, therefore, provides a protective layer that helps the cell maintain its shape and prevent it from swelling up and bursting when placed in a hypotonic solution such as distilled water.

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The main observation made by the scientists before their experiment with turbinomycin was the presence of a specific microorganism or biological particle and its activities.

Turbinmicin is a molecule that has antifouling activities and for this reason, it stimulated the curiosity of scientists who wanted to know more about this molecule and its performance in living organisms in the fight against diseases and other ailments.

However, before promoting studies on turbinmicin, it was necessary to carry out preliminary studies on microbiology, molecular biology, toxicity, among others.

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Answer:

what I think it is it's C?

If fever conferred only benefits and had no costs, we might expect to see all species responding with the same elevated temperature range during an infection.

A pathogen is a microorganism, such as a virus, bacterium, fungus, or parasite, that causes disease in its host. Pathogens can be transmitted from one organism to another through various means, such as direct contact, contaminated food or water, or through the air. When a pathogen enters the body, it can cause an immune response, which can include fever, inflammation, and other symptoms as the body attempts to fight off the infection.A pathogen is a microorganism, such as a virus, bacterium, fungus, or parasite, that can cause disease in a host organism. Pathogens can be found in a wide range of environments, including soil, water, and air, and can be transmitted through direct contact, droplets, contaminated surfaces, or vectors such as insects or animals.Pathogens can cause a wide range of illnesses, from mild infections to life-threatening diseases. Common examples of pathogenic microorganisms include the influenza virus, Streptococcus bacteria, Candida fungus, and Plasmodium parasite.The body has several defense mechanisms to protect against pathogens, including the immune system, which is responsible for recognizing and attacking foreign invaders. Vaccines can also be used to stimulate the immune system to produce a protective response against specific pathogens.Proper hygiene and sanitation practices, such as hand washing, food safety measures, and safe disposal of waste, can help prevent the spread of pathogens. Antibiotics and other

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