The difference of a number and 16 is the equal to 45 what is the value of that number? Plss show work and explain

Answer:

LEARNING OBJECTIVES

Identify important checkpoints in cell division

Explain how errors in cell division are related to cancer

The length of the cell cycle is highly variable, even within the cells of a single organism. In humans, the frequency of cell turnover ranges from a few hours in early embryonic development, to an average of two to five days for epithelial cells, and to an entire human lifetime spent in G0 by specialized cells, such as cortical neurons or cardiac muscle cells. There is also variation in the time that a cell spends in each phase of the cell cycle. When fast-dividing mammalian cells are grown in culture (outside the body under optimal growing conditions), the length of the cycle is about 24 hours. In rapidly dividing human cells with a 24-hour cell cycle, the G1 phase lasts approximately nine hours, the S phase lasts 10 hours, the G2 phase lasts about four and one-half hours, and the M phase lasts approximately one-half hour. In early embryos of fruit flies, the cell cycle is completed in about eight minutes. The timing of events in the cell cycle is controlled by mechanisms that are both internal and external to the cell.

Explanation:

Regulation of the Cell Cycle by External Events

Both the initiation and inhibition of cell division are triggered by events external to the cell when it is about to begin the replication process. An event may be as simple as the death of a nearby cell or as sweeping as the release of growth-promoting hormones, such as human growth hormone (HGH). A lack of HGH can inhibit cell division, resulting in dwarfism, whereas too much HGH can result in gigantism. Crowding of cells can also inhibit cell division. Another factor that can initiate cell division is the size of the cell; as a cell grows, it becomes inefficient due to its decreasing surface-to-volume ratio. The solution to this problem is to divide.

Whatever the source of the message, the cell receives the signal, and a series of events within the cell allows it to proceed into interphase. Moving forward from this initiation point, every parameter required during each cell cycle phase must be met or the cycle cannot progress.

Regulation at Internal Checkpoints

It is essential that the daughter cells produced be exact duplicates of the parent cell. Mistakes in the duplication or distribution of the chromosomes lead to mutations that may be passed forward to every new cell produced from an abnormal cell. To prevent a compromised cell from continuing to divide, there are internal control mechanisms that operate at three main cell cycle checkpoints. A checkpoint is one of several points in the eukaryotic cell cycle at which the progression of a cell to the next stage in the cycle can be halted until conditions are favorable. These checkpoints occur near the end of G1, at the G2/M transition, and during metaphase

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The prefix bio in the word biofuels MOST refer to  B. the use of agricultural products, animal waste, and/or forest materials.

The real meaning of the prefix bio in the word biofuels refers to any type of organic material which is based on the precede of biological diversity (biodiversity) and it is a fundamental issue in all biotechnological applications such as the obtention of a source of renewable energy in the biofuels from the agriculture and also in the presence of animal waste that may be sued to produce methane (a greenhouse gas).

Therefore, with this data, we can see that the real meaning of the prefix bio in the word biofuels is based on the importance of organic material which is deeply associated with biological diversity and or the word biodiversity.

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Answer:

D/4

Explanation:

Hom-zygous recessive is both genes are recessive/tt

Hom-zygous dominate is both genes are dominate/TT

Heterozygous is 1 gene is dominate the other is recessive/Tt

Answer:

As I think last option is the correct one

Answer:

condensation

Explanation:

Answer:

A. condensation

Explanation:

Evaporation is the process of liquid turning into gas, the opposite would be condensation which is the process of water vapor turning back  into a liquid.

A weak, subthreshold stimulus will result in a small depolarization at the receiving end of the neuron.a weak, subthreshold stimulus will primarily result in a small depolarization at the receiving end of the neuron, but it will not initiate an action potential or trigger neurotransmitter release.

When a neuron receives a stimulus, it can either be strong enough to generate an action potential or be subthreshold, meaning it does not reach the threshold necessary to trigger an action potential.

In the case of a weak, subthreshold stimulus, the neuron will undergo a small depolarization at the receiving end, known as the dendrites and cell body.

The dendrites and cell body of a neuron contain numerous ion channels, including ligand-gated channels and voltage-gated channels.

These channels regulate the movement of ions, such as sodium (Na+), potassium (K+), and chloride (Cl-), which are crucial for generating electrical signals in the neuron.

When a subthreshold stimulus is received, it causes a small influx of positive ions, typically sodium ions, into the neuron through ligand-gated channels.

This influx of positive charge results in a slight depolarization of the neuron's membrane potential.

However, the depolarization does not reach the threshold required to initiate an action potential.

As a result, the subthreshold stimulus is unable to propagate as an action potential along the axon of the neuron.

Instead, the small depolarization may weaken as it travels along the neuron's dendrites and cell body.

This weak signal may not be sufficient to trigger the release of neurotransmitters at the axon terminal, which is necessary for communication between neurons.

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A weak, subthreshold stimulus will result in a small depolarization at the receiving end of the neuron a weak, subthreshold , but it will not initiate an action potential or trigger neurotransmitter release.

When a neuron receives a stimulus, it can either be strong enough to generate an action potential or be subthreshold, meaning it does not reach the threshold necessary to trigger an action potential.

In the case of a weak, subthreshold stimulus, the neuron will undergo a small depolarization at the receiving end, known as the dendrites and cell body.

The dendrites and cell body of a neuron contain numerous ion channels, including ligand-gated channels and voltage-gated channels.

These channels regulate the movement of ions, such as sodium (Na+), potassium (K+), and chloride (Cl-), which are crucial for generating electrical signals in the neuron.

When a subthreshold stimulus is received, it causes a small influx of positive ions, typically sodium ions, into the neuron through ligand-gated channels.

This influx of positive charge results in a slight depolarization of the neuron's membrane potential.

However, the depolarization does not reach the threshold required to initiate an action potential.

As a result, the subthreshold stimulus is unable to propagate as an action potential along the axon of the neuron.

Instead, the small depolarization may weaken as it travels along the neuron's dendrites and cell body.

This weak signal may not be sufficient to trigger the release of neurotransmitters at the axon terminal, which is necessary for communication between neurons.

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Answer:

All of the above

Explanation:

The observations of the medium ground finch (Geospiza fortis) by Peter and Rosemary Grant that verify Darwin's selection hypothesis are:

a. considerable variation existed in the beak size and shape of this finch
b. the medium ground finch showed assortative mating according to beak size
c. beak shape (depth) varied with the dryness of the year
d. offspring were similar to parents in beak size and shape

These observations support Darwin's selection hypothesis because they show that there is variation within the population, that certain traits are more favourable in certain environments, and that these favourable traits are passed on to offspring. Assortative mating also supports the idea that certain traits are favoured and will become more common in the population.

All of these observations are consistently favourable to the process of natural selection, which is the basis of Darwin's selection hypothesis.

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The smooth endoplasmic reticulum (smooth ER) got its name due to its appearance under an electron microscope.

Unlike the rough endoplasmic reticulum, which has ribosomes attached to its surface giving it a rough texture, the smooth ER has a continuous, smooth membrane without ribosomes. This membrane-bound organelle plays a crucial role in lipid synthesis, metabolism, and detoxification of drugs and toxins. It also helps regulate calcium ions in the cell and participates in the breakdown of glycogen.

This structure allows the smooth ER to perform specific functions, such as lipid and steroid synthesis, detoxification of harmful substances, and calcium ion storage. The absence of ribosomes and its associated smooth appearance led scientists to name this organelle the smooth endoplasmic reticulum.

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The stability of personality traits is best illustrated by the consistency of behavior and tendencies that an individual exhibits over time, across various situations, and in the face of different challenges.

Personality traits are relatively enduring patterns of thoughts, feelings, and behaviors that shape an individual's characteristic way of interacting with the world. While some aspects of personality may change over time as a result of life experiences, maturation, or personal growth, research suggests that the core aspects of personality remain relatively stable throughout adulthood.

For example, if an individual is consistently outgoing and sociable in different settings, this indicates a stable trait of extroversion. Similarly, if someone consistently displays a tendency towards anxiousness and worry in various situations, this reflects a stable trait of neuroticism. These stable traits can impact a wide range of life outcomes, including relationships, career success, and mental health.

Overall, the consistency of an individual's behavior and tendencies over time is a key indicator of the stability of their personality traits.

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Answer:

simple diffusion

Explanation:

It uses no energy to move across the plasma (cell) membrane.

Answer:

1. High Co2

2. signal sent to respiratory control center

3. The diaphragm acts to increases breathing

4. The lungs bring in O2 and release CO2.

5. The decrease in CO2 reestablishes homeostasis

Explanation:

The respiratory system is an example negative feedback

High Co2 --> a signal is sent to the respiratory control center to increase breathing. --> The diaphragm acts to increases breathing.  The lungs bring in O2 and release CO2. The decrease in CO2 reestablishes homeostasis

Answer:

Más pollitos son de color púrpura, algunos son híbridos, significa diferente color y pocos pollitos tienen color blanco.

Explicación:

Si se toma un gallo morado (raza andaluza) y se cruza con una gallina blanca de la misma raza, los polluelos serán azules. Al cruzar estos polluelos entre sí, la relación fenotípica es diferente en su descendencia. Más pollitos son de color púrpura, algunos son híbridos, significa diferente color y pocos pollitos tienen color blanco. Esto se debe a que el color púrpura tiene un alelo dominante debido a que más pollitos tienen color púrpura y menos pollitos tienen color blanco debido al alelo recesivo.

Answer:

the results of the investigation led to new scientific questions

Explanation:

The basis of every scientific question asked is an observation made. Scientific questions are questions that emanate from an observed problem and leads to the formation of a testable explanation (hypothesis). In this question, an investigation was made by a scientist and it was discovered that increased temperature decreases the number of offspring that an organism produces.

However, the scientist asks a new question about the impact of climate change on the species. This is because an observation has been made again, from the previously concluded investigation. Hence, after completing the investigation about the effect of temperature on the number of offsprings an organism can produce, an observation was made, ultimately leading to a new scientific question.

Answer:

c

Explanation:

The blood travels to the liver via the hepatic portal vein. The liver processes and filters this blood, which contains nutrients and toxins absorbed from the food that has been digested.

Before being distributed to the rest of the body, the blood that comes from the digestive organs is filtered by the liver. This is because the liver needs the blood from these organs to metabolize, neutralize, and detoxify because it contains a lot of nutrients, alcohol, drugs, and potentially toxic substances.

The portal vein carries venous blood from the gastrointestinal tract to the liver and performs two functions in doing so: It ensures that ingested substances are first processed by the liver before reaching systemic circulation and provides the liver with metabolic substrates.

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Answer:

Breaks them into their simplest form. Glucose, amino acids, and fatty acids.

Explanation:

They have to be broken down into these forms to be absorbed into the bloodstream.

Answer:

B.) An anthill

Explanation:

trust me

Answer: Gulf of Mexico

Explanation:

In North America, for example, cold and dry air covering thousands of miles flows south from the Arctic, especially in winter, and warm moist air flows south from the Gulf of Mexico. These different types air are called air masses.

Answer:

Gulf of Mexico

Explanation:

I just took the test and got it right

Explanation:

The grass help feeds the baboon. This means the baboon will have to poop out the grass. Then the dung bettle feeds off of that poop.

Answer:

Fume Hoods

Fume hoods provide a barrier between laboratory workers and hazardous chemicals or chemical processes. The key item of fume hoods to make it function well is its ability to exhaust vapor/gas at a certain flow rate.

Flammable Liquid Storage Cabinets

Fire hazard from flammable liquid shall be adequately controlled, including by using storage cabinets. Always store the flammable liquid inside the storage cabinet.

Fire Extinguishers

Provide appropriate fire extinguishers for the laboratory in adequate quantity. Place them in the right location for easy access, high visibility, and free from any obstacles.

Fire Blankets

A fire blanket is one of the most important fire extinguishing equipment. When you find a fire for the first time, use this fire blanket to diminish the fire as soon as possible before it grows bigger.

Safety Cans

You must use safety cans to store flammable liquid in the laboratory safely. It minimizes fire accidents and so protect laboratory workers from the fire hazards.

Safety Showers

When chemical splash occur, you have to immediately wash all of your work cloth and body with plenty of water. So, that’s why safety showers role are very important in case of such emergency condition.

Eyewash Stations

Even though you have already worn safety goggle, but it does not mean that your eyes are fully protected from chemical splash hazard.

The possibility still exists. Because of this reason, you need to make sure that an eyewash station is available in the laboratory.

Chemical Spill Kits

Chemical spill kits are required for handling hazardous chemical spills in the laboratory. The key is to provide the kits in enough quantity and place them on the appropriate location.

First Aid Kits

Make sure that the first aid kits is available in the laboratory and the content is complete. Inspect regularly the content and immediately add first aid kits item if already used up.

Personal Protective Equipment

You must provide all basic personal protective equipment for every lab analyst; lab coat, apron, eye goggles, nitrile gloves, and face shield.

Explanation:

As plastic is made from crude oil, the end product of million of years, a non renewable resource, it really is non renewable. But it still can be recycled. Most plastics are no biodegradable because there are no organisms (such as bacteria and fungi) that could break that material. It can be easy to be manufactured, even if it's production costs lots of other material extracted from nature, but humanity is still looking for the best ways to convert it into environment friendly substances. Therefore, yes the statement is accurate.

A thin, extracellular layer upon which an epithelium rests is called the basement membrane.

The basement membrane is a vital component of many tissues and organs, serving as a structural and functional interface between the epithelium and underlying connective tissue.

An epithelium is a type of tissue composed of tightly packed cells that form a continuous, protective layer on the surface of organs and tissues. The epithelium acts as a barrier, preventing the spread of harmful substances into the body and protecting the underlying tissues from damage.

The basement membrane is formed from extracellular matrix (ECM) components such as collagen, laminin, and glycoproteins, and it plays an important role in the maintenance of tissue integrity and homeostasis. It provides mechanical support to the overlying epithelium and regulates cell behavior by controlling cell adhesion, migration, and proliferation.

In addition, the basement membrane plays a crucial role in the proper functioning of many physiological processes, such as wound healing, angiogenesis (the growth of new blood vessels), and immune responses. In some tissues, such as the skin and the inner lining of blood vessels, the basement membrane serves as a filter, allowing the passage of certain molecules while preventing the passage of others.

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Lysosomal enzymes eventually eliminate the end products of macromolecule digestion. Hence, C is correct.

What happens to the end products of macromolecule digestion?

Lysosomes are organelles that contain digestive enzymes that can degrade a variety of biomolecules like as proteins, nucleic acids, carbohydrates, and lipids.

Once macromolecules are transported into the lysosome, they are broken down into their constituent parts by hydrolysis, which involves the addition of water molecules to break chemical bonds. The resulting small molecules can then be recycled or excreted from the cell. Ultimately, the final products of digestion are destroyed by the lysosomal enzymes within the lysosome.

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Answer: false, false, true, false ,false, true, true, true, true,  true, false

Explanation: 1. false: compressions are regions of low air pressure

2. false: electromagnetic waves are not like sound waves because they do not need molecules to travel

3. true: because it allows light to travel through particles

4: false: because sound waves require medium to travel

5:  false : the wavelength is commonly measured as  the distance between any two corresponding points on adjacent wave

6. true: they produce compression and rarefaction when travelling through a medium

7. true: light waves are transverse waves because the displacement of the medium is perpendicular to the direction of propagation of waves

8. true: because light waves do not need any medium to travel but sound waves do

9. true: because there is no obstruction in vaccum  for propagation of light

10.false: frequency of light is inversely proportional to wavelength

The proteins are primase, DNA polymerase, helicase, and ligase. And for each nonfunctional protein, DNA replication will be affected - Primase would not be able to create RNA templates; resulting in DNA polymerase and helicase being unable to synthesize DNA strands; without ligase strands could not be joined together.

The diagram includes four different proteins: primase, DNA polymerase, helicase, and ligase. Primase is responsible for synthesizing short strands of RNA, which are used as templates for DNA synthesis. DNA polymerase synthesizes new strands of DNA using existing templates. Helicase separates the double-stranded DNA into single strands, allowing the DNA polymerase to create the new strands. Ligase links the newly formed strands together.

If any of these proteins were nonfunctional, DNA replication would be significantly hindered. Primase would be unable to create the RNA templates, and thus DNA polymerase would be unable to synthesize new strands of DNA. Without helicase, the double-stranded DNA could not be separated, meaning DNA polymerase could not create new strands. Lastly, without ligase, the newly formed strands could not be joined together, thus impeding DNA replication.

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A researcher may investigate questions related to the catalytic mechanism, kinetics, and thermodynamics of the enzyme maltase using a computer model.

Specifically, a computer model of maltase can be used to investigate how maltase catalyzes the hydrolysis of maltose into glucose and the structural features of maltase that enable its catalytic activity.

The model can also be used to simulate the enzyme-substrate interactions and the formation of the enzyme-substrate complex, as well as to predict the rate of the reaction under different conditions, such as changes in temperature, pH, and substrate concentration.

Furthermore, the model can help researchers design and optimize maltase inhibitors, which can be useful in developing treatments for diseases related to carbohydrate metabolism, such as diabetes.

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In a muscle fiber, when chemical-gated channels open and Na+ enters the muscle cell causing the inside to become more positive, it is known as depolarization.

Depolarization is the process in a muscle fiber where chemical-gated channels open, allowing the influx of sodium ions (Na+). This influx of positive ions causes the inside of the muscle cell to become more positively charged, shifting the membrane potential towards a positive value.

Depolarization is a critical step in muscle contraction as it triggers the release of calcium ions from the sarcoplasmic reticulum, leading to the sliding of actin and myosin filaments and ultimately muscle contraction. This electrical change in the membrane potential is an essential component of the excitation-contraction coupling process in muscle physiology.

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To find a way to lower mosquito populations in the wild and increase cases of malaria in the future the purpose of using CRISPR in the Anopheles gambiae mosquitoes experiment.

The malaria parasite, which is spread by infected mosquitoes, multiplies inside red blood cells after entering the human bloodstream. After a few days, these cells burst, infecting other red blood cells and resulting in symptoms such as a severe headache, nausea, vomiting, fever, and coma.

A plasmodium-genus single-celled parasite, which causes malaria. Most frequently, mosquito bites are the means of parasite transmission to people.

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Answer:

As the temperature rises further, the enzyme's activity decreases and eventually stops because the enzyme becomes denatured at high temperatures. Proteins are enzymes. The bonds separating amino acids are broken at very high temperatures. The enzyme's shape changes as a result of this.