Question 11 of 30
Why do bacterial infections spread quickly?
A. Because the immune system does not recognize bacterial cells as
a threat
B. Because bacterial cells produce large amounts of poison
C. Because bacterial cells cause the infected host cells to reproduce
quickly
D. Because bacterial cells ra

Answer:

Explanation:

Since then, the amounts and the percentage shares of total U.S. energy consumption from biofuels, geothermal energy, solar energy, and wind energy increased, and in 2019, the combined percentage share of these renewable energy sources was greater than the combined share of wood and hydro energy.

From google not gonna lie

Answer:

wind energy, hydrogen

Explanation:

these are a couple! there are a few more as well.

Stem cells are a special kind of cells due to their ability to duplicate and differentiate in different kinds of cells.

there are different kinds of stem cells. The main diference betwen them is the kind of cells they can differentiate into.

for example, when an embrioyo is develoment, the firs cell that is form after the coito is a totipotent stem cell, because it has the ability to diferenciate in every kind of cell in the body. Afer a few weeks, in bovines it would be aroun 8 days, the cells become pluripotent, because they can generate every cell in the body, but the placent. and when we become adults this cells are know as mesechymal (multipotent), that are cells that can diferenciate in certain kind of tissue

Answer: Precipitation

New genetic variations sometimes become more common within populations because the resulting proteins are advantageous and selected for by nature.

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Controlled burning is an ordinary practice used to acchieve different goals. Controlled burning is a fire-management methods that reduces outbreaks of pests and diseases. Option D is correct.

When talking about controlled burning, we are referring to the use of fire in an ecosystem by an expert team. Controlled fires must be done under specific meteorological conditions. These include temperature range and humidity, among others, to avoid fire expansion.

The expert team must control the fire dimensions and guide it to an end point, which might be a water flow, rocks, a road, among others.  

Some ecosystems depend on natural fires to remain stable. When the practice of controlled fire is well-done, it helps to restore these ecosystems' health and to avoid future damages. Controlled fire practice has several land management goals.

Among these goals, one of the followed goals is to control the outbreaks of pests and diseases.

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Full Question ;

which of the following fire-management methods reduces outbreaks of pests and diseases?

A. preventing fires

B. suppressing a fire altogether

C. suppressing a fire at early stages

D. controlled burning

Answer:

most forms of cancer are caused by somatic mutations

Explanation:

Answer:

B & E

Explanation:

Just did it and got it right

Answer:

Atp

Explanation:

Answer:

Most of the shellfish we eat are going to be negatively impacted by ocean acidification due to the fact that they will be unable to build sturdy shells. Some oyster hatcheries in the Pacific Northwest have already been impacted, and have seen declines in larval settlement and survival rates.

When a medical artist is drawing a representation of the relationship between the somatosensory cortex and the body, the drawing of the body should include areas corresponding to the sensory input regions.

The somatosensory cortex is the region of the brain that receives and processes sensory information from different parts of the body. The cortex is located in the parietal lobe of the brain and is divided into two hemispheres. The cortex is organized into various functional regions that correspond to specific parts of the body.

When a medical artist is drawing a representation of the relationship between the somatosensory cortex and the body, they should include areas corresponding to the sensory input regions. The primary somatosensory cortex is the region of the cortex that receives input from the body's sensory receptors. The primary somatosensory cortex is organized into regions corresponding to different parts of the body.

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The drug class that has the most consistent structure is the statins, which are commonly used to lower cholesterol levels.

These drug have a very similar structure across different types and brands, with a core structure of a bicyclic ring system and a side chain. This consistent structure allows for the drugs to be more easily synthesized and tested for efficacy and safety.

The drug class that has the most consistent structure is likely the opioids. Opioids are a class of drugs that include natural, semisynthetic, and synthetic substances that act on the body's opioid receptors to produce pain relief, sedation, and euphoria.

The molecular structure of opioids is based on a common chemical backbone of phenanthrene or morphinan, which gives rise to similar physical and chemical properties among different opioids. Opioids also have a characteristic basic nitrogen atom and aromatic rings, which contribute to their binding affinity for opioid receptors.

The structural similarities of opioids allow for the prediction of their pharmacological properties and potential side effects, which can aid in the development of new drugs and the optimization of existing therapies.

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1.The per-worker production function in the Basic Solow Growth Model can be written as: Y = K * α * L * (1 - α)

where Y is output per worker, K is capital per worker, L is labor, and α is the elasticity of output with respect to capital. 2.The equation of motion for this model is: dY/dt = s(Y-c) - (δ+1)K. where s is the savings rate, c is consumption per worker, δ is the depreciation rate, and t is time.

3.The steady-state capital per worker (k∗) is given by:

k∗ = δ + 1

4.The steady-state level of output per worker (y∗) is given by:

y∗ = αk∗L

where α is the elasticity of output with respect to capital.

5.The steady-state level of consumption per worker (c∗) is given by:

c∗ = s(y∗-L)

6.A well-labeled figure showing steady state capital per worker, steady state output per worker, and steady-state consumption per worker would include the following:

Steady-state capital per worker (k∗) on the x-axis and steady-state output per worker (y∗) on the y-axis.

A line showing the relationship between capital and output in the steady state.

A point representing the steady-state level of capital per worker (k∗) and a point representing the steady-state level of output per worker (y∗).

A line showing the relationship between consumption and output in the steady state.

A point representing the steady-state level of consumption per worker (c∗) and a point representing the steady-state level of output per worker (y∗).

Labels for each point and line, including the variables they represent and the equations that relate them.

7.The implications of the Basic Solow Growth Model with no population growth and no technological growth are:

The economy grows at a constant rate determined by the rate of return on investment in capital.

The steady-state level of output per worker is determined by the elasticity of output with respect to capital and the level of capital per worker.

The steady-state level of consumption per worker is determined by the savings rate and the level of output per worker.

The model predicts that there is a positive relationship between capital and output, and a negative relationship between consumption and output in the steady state.

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Answer:

A nature reserve's deer population would probably suffer if the size of the reserve were to be cut in half.

A nature reserve's deer population would probably suffer if the size of the reserve were to be cut in half. Reducing the size of the reserve could result in a reduction in the resources and space available to the deer. Wildlife reserves are normally created to offer protected habitats for species to live and thrive. Competition for food, water, and other resources could ensue from this, perhaps causing the deer population to drop.

The precise effect of shrinking the reserve's size on the deer population depends on a number of variables. The deer population's size and density, the resources available within the reserve, and the existence of any impediments, such disease or predators, are some of these. In the end, how shrinking the reserve will affect the deer population would depend on the particulars of the reserve and the deer population residing there.

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A living organism that possesses a novel combination of genetic material obtained through the use of modern biotechnology refers to a genetically modified organism (GMO).  GMO has been engineered to exhibit new traits or characteristics that can be beneficial for various purposes, such as increased crop yields or improved resistance to environmental stressors.

The process goes as follows:

1. Living organism: This refers to any organism that exhibits the characteristics of life, such as growth, reproduction, and metabolism. Examples include plants, animals, and microorganisms.

2. Novel combination: This implies the introduction of new or unique genetic traits that were not previously present in the organism's natural genetic makeup.

3. Genetic material: This refers to the DNA (deoxyribonucleic acid) of an organism, which carries the instructions for the development, functioning, and reproduction of the organism.

4. Modern biotechnology: This involves the use of advanced scientific techniques and technologies to manipulate an organism's genetic material. Examples of modern biotechnology techniques include gene editing, gene cloning, and recombinant DNA technology.

To create a GMO, scientists use modern biotechnology techniques to insert specific genes from one organism into the DNA of another organism. This results in a novel combination of genetic material, which provides the GMO with new traits or characteristics that were not previously present. For example, a crop plant might be genetically modified to be resistant to certain pests or to tolerate specific herbicides.

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Platyhelminthes, Nematoda, and Annelida are the three "worms" phyla that are included in the selection.

Platyhelminthes, sometimes referred to as flatworms, are made up of creatures like tapeworms and planarians.

Nematoda: Also referred to as roundworms, they are a group of creatures that includes hookworms and threadworms.

Annelida: These segmented worms include creatures like leeches and earthworms.

Different groupings of worms that are a part of the animal kingdom are represented by these three phyla.

Flatworms are straightforward creatures that are marginally more sophisticated than cnidarians (phylum Platyhelminthes). The body plan of roundworms (phylum Nematoda) is a little more intricate. The most complicated creatures having worm-like body designs are segmented worms or members of the phylum Annelida.

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A blue fish (BB) and a yellow fish (B'B') are crossed, and this is an incomplete inheritance, so all the offspring in F1 will show green color, and when these two cross (BB'), then blue, green, and yellow offspring will form.

Here the dominant color is blue and the recessive color is yellow, as the heterozygous fish will produce green color, so in F1, all offspring will be green, and when they are crossed, in F2, all three colors, green, yellow, and blue, will produce. The punnet square is below 

Hence, a blue fish (BB) and a yellow fish (B'B') are crossed, and this is an incomplete inheritance, so all the offspring in F1 will show green color, and when these two cross (BB'), then blue, green, and yellow offspring will form.

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Answer:

Producers: oak trees, flowers, maybe pine trees

Consumers: Squirrels, spiders, dogs, cats

Decomposers: Wild mushroom, fungus on rotting food

Scavengers: Crows, possums, ants

Explanation:

Introns

An biological molecule known as a nucleotide has the basic building blocks of a nitrogenous base, pentose sugar, and phosphate.

Nucleotides are organic compounds made up of a phosphate and a nucleoside. They function as monomeric units of the essential macromolecules found in all living forms on Earth, deoxyribonucleic acid and ribonucleic acid polymers.

The fundamental component of nucleic acids is called a nucleotide (RNA and DNA). The components of a nucleotide are a sugar molecule (either ribose in RNA or deoxyribose in DNA), a phosphate group, and a base that contains nitrogen. The nucleotides used in DNA are adenine (A), cytosine (C), guanine (G), and thymine (T).

An biological molecule known as a nucleotide has the basic building blocks of a nitrogenous base, pentose sugar, and phosphate. As polynucleotides, DNA and RNA are composed of a chain of monomers with various nitrogenous bases.

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Answer:

true

Explanation:

Answer:

true

Explanation:

If you inoculate a new culture with a wrinkly colony, grow the culture overnight, and then plated a sample of the bacteria, you would expect to see two different types of colonies on the plate.

Wrinkly colonies are composed of bacterial cells that have mutated and lost the ability to produce a molecule known as cyclic diguanylate (c-di-GMP). As a result, the bacteria become sticky and adhere to one another, forming a dense mat of cells that resembles a wrinkled surface.

Bacterial colonies with normal morphology.The second type of colonies will resemble the typical morphology of the bacterial cells present in the culture before inoculating with the wrinkly colony. Because not all bacterial cells in the culture have the same mutation that created the wrinkly colony, you would expect to see colonies with a normal morphology as well.

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Answer:

A period in the cell cycle in which cells exist in a quiescent state. GO phase is viewed as either an extended G1 phase. Which factors determine whether a cell enters G0? It depends on the organisms stage in development.  It is the phase of the cell cycle during which a cell is neither dividing nor preparing to divide. During this period the cell performs regulatory and its basic cellular functions. The cell cycle typically refers to the process by which the cell can grow and repair itself.

Explanation:

d. energy based on the weight of the object

Answer:

Agonist

Explanation:

An agonist is a chemical that activates a receptor to produce a biological response.

Answer:

What are the systems

Explanation:

I can help after u answer that sorry

The expected rate of return of Freedman Flowers is 9.9%.

Expected rate of return is the sum of the multiplication of each possible return with its corresponding probability of occurrence. Freedman Flowers' stock has a 50% chance of producing a 25% return, a 30% chance of producing a 10% return, and a 20% chance of producing a -28% return. The expected rate of return of Freedman Flowers can be calculated as follows:

Expected rate of return = (Probability of return 1 × Return 1) + (Probability of return 2 × Return 2) + (Probability of return 3 × Return 3)

Therefore, the expected rate of return of Freedman Flowers is:

Expected rate of return = (0.5 × 25%) + (0.3 × 10%) + (0.2 × -28%)

Expected rate of return = 12.5% + 3% - 5.6%

Expected rate of return = 9.9%

Therefore, the expected rate of return of Freedman Flowers is 9.9%.Option B, 9.9006 is the closest to the calculated expected rate of return.

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During in situ hybridization, a DNA probe made from a cloned gene binds to the complementary target DNA sequence present in the sample being analyzed.

In situ hybridization (ISH) is a technique used in molecular biology to localize specific nucleic acid sequences, such as DNA or RNA, within cells or tissues. The technique involves hybridizing a labeled complementary nucleic acid probe to the target sequence in the cells or tissues of interest.

There are two main types of ISH: DNA ISH and RNA ISH. In DNA ISH, a labeled DNA probe is used to detect the presence of a specific DNA sequence in cells or tissues. In RNA ISH, a labeled RNA probe is used to detect the presence of a specific RNA transcript in cells or tissues.This binding occurs due to the specific base pairing between the probe and the target sequence, allowing for the detection and localization of specific DNA sequences within a biological sample.

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Protein structure determines enzyme specificity. The active site of the enzyme has a unique shape that complements the shape of the substrate molecule.

Enzymes are specific because the amino acid sequence in their primary structure determines the way they fold into a three-dimensional structure. The three-dimensional shape of the enzyme determines which substrates can bind to the enzyme. If the active site is complementary in shape to the substrate, then an enzyme-substrate complex is formed. The enzyme then catalyzes the reaction and produces a product that is released from the active site. The enzyme can only work with a specific substrate because the active site is designed to fit only one specific substrate.

An example of an enzyme's specificity is lactase. Lactase is an enzyme that is used to break down lactose in milk. The lactose molecule fits perfectly into the active site of lactase, which breaks it down into glucose and galactose. Lactase cannot break down other types of sugars, such as sucrose or fructose, because the active site is not complementary in shape to these molecules.

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Soluble food molecules are absorbed into the epithelial cells of the small intestine through the process of diffusion and active transport.