A cell is being held in g1 phase due to dna damage caused by uv radiation. when the dna is damaged, p53 is phorphorylated and prevents entry into what phase?

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Answer 1
So when DNA is damaged, p53 is actived and prevents the cell from entering the S phase where replication of cell happens. The cell regulation is done by the phosphorylated p53 for a proper and precise replication of cell to avoid any abnormalities.

Related Questions

Sections of dna that code for a particular protein are called _____.

Answers

The answer would be "genes".

Sections of DNA that code for a specific protein are called genes. These genes contain codons, which are sequences of three nucleotides that specify individual amino acids, essential for creating proteins.

Sections of DNA that code for a particular protein are called genes. A gene is the specific section of DNA required to produce one protein. The information to make proteins, which are crucial for various cellular functions, is stored in an organism's DNA. Proteins are made up of hundreds or thousands of amino acids, and the genes that code for these proteins are typically hundreds or thousands of base pairs in length. Within the gene, sequences of nucleotides consisting of adenine (A), cytosine (C), thymine (T), and guanine (G), known as codons, specify the amino acids. Each codon is a sequence of three nucleotides that corresponds to a specific amino acid or a start or stop signal for protein synthesis.

How does light intensity and the rate of photosynthesis relate to the position of the sun, both during the day and during the year?

Answers

the more sun (day length) the more photosynthesis

Final answer:

Light intensity and photosynthesis rates are closely connected to the sun's position, which changes daily and seasonally due to Earth's tilt. Longer days in summer with more direct sunlight increase photosynthesis, while shorter, less intense light in winter decreases it. Plants use photoperiods, determined by sun position, to regulate vital processes like flowering and vegetative growth.

Explanation:

The intensity of light and the rate of photosynthesis are directly related to the position of the sun, which varies both during the day and throughout the year due to the Earth's tilt and orbit. During the day, the sun's position affects the angle at which sunlight strikes the Earth’s surface, which in turn affects the intensity of light. When the sun is directly overhead, the light intensity is greatest and can increase the rate of photosynthesis. In contrast, when the sun is low on the horizon, sunlight is less intense as it travels through a greater amount of the Earth's atmosphere, resulting in a lower rate of photosynthesis.

Throughout the year, the Earth's tilt causes variations in day length and the sun's trajectory across the sky. Summer days, having longer hours of daylight and a higher sun elevation, provide more light, thereby enhancing photosynthesis. Conversely, winter has shorter days with less intense light, reducing the photosynthetic activity of plants. The photoperiod, or the duration of daylight, is a crucial indicator that plants use to sense seasonal changes and adjust their growth cycles accordingly. Plants detect these changes through a phytochrome system which involves the conversion of phytochrome molecules between different forms in response to red and far-red light found in sunlight.

For example, short-day plants flower when nights exceed a critical length, which occurs in late summer or early fall, whereas long-day plants flower in spring when nights are shorter than a critical length. This demonstrates how light intensity and day length, governed by the position of the sun, play essential roles in the life cycle of plants.

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How can plants and animals affect neighboring cells directly?

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Plants and animals affect neighboring cells directly because when in terms with the plants, they use their plasmodesmata in which allowed them to communicate and affect neighboring cells. While the animals use their gap junctions that is use for them to communicate and affect their neighboring cells.

Answer;

Through Plasmodesmata in plants and Gap Junctions in animals.

Explanations;Plants contains structures called plasmodesmata .Plasmodesmata are open channels that are located in the cell walls of plant cells. Plasmodesmata allow cells to communicate with the neighboring cells. Animals on the other hand contain structures called Gap junctions in their cells.Gap junctions functions to connect cells to neighboring cells. Therefore; both plasmodesmata and gap junctions allow signaling substances dissolved in cytosol to pass freely between adjacent cell.

According to the endosymbiotic theory and given the tree below, which was constructed from whole genome sequences or exemplar organisms from the three domains of life, where would be the most likely place for a branch containing the animal mitochondrial genome be connected? in other words, animal mitochondrial dna is most closely related to the complete genome of which type of organism?

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Animal mitochondrial DNA is most closely related to the genome of bacteria. It is supposed that early eukaryotes engulfed bacteria according to endosybiotic theory. In bacteria there is no special organ like nucleus to hold the genome. In mitochondria also such genome can be seen.

Statistically, which adolescent is most apt to experience menarche first?

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Rebecca, who is African American is most apt to experience menarche first.

What do you mean by menarche?

Menarche defines the onset of menstruation, which is a normal physiologic process that occurs at regular monthly intervals. Menarche typically occurs around age 12 but a few years earlier or later is completely normal. Menarche happens during a time of physical and sexual maturation in adolescence known as puberty.

Moreover, menarche is defined as the first menstrual period in a female adolescent. Menarche typically occurs between the ages of 10 and 16, with the average age of onset being 12.4 years.

Therefore, it is the stage of initiation of menstruation in the life of a female girl. it generally occurs at an age of 11-13 years. It refers to the beginning of the reproductive phase in girls.

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Gee's arm was cut during an industrial accident. the blood was pouring from the wound in spurts. which type of vessel was severed?

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Final answer:

The blood vessel likely severed causing blood to spurt out in Gee's injury is an artery, due to the high pressure at which arteries carry oxygen-rich blood from the heart. Immediate measures to control bleeding and seeking medical attention are crucial, and the body's automatic response includes a vascular spasm to reduce the bleeding.

Explanation:

The type of vessel that was likely severed in Gee's arm if the blood was pouring out in spurts is an artery. Arteries are blood vessels that carry oxygen-rich blood away from the heart at high pressure. This high pressure often results in blood spurting out rhythmically with the heartbeat when an artery is cut. In comparison, veins carry blood back to the heart at a lower pressure, and bleeding from a severed vein presents as a steady flow, rather than spurting.

In the case of a severe injury where an artery is severed, it is critical to control the bleeding and seek medical attention immediately to prevent severe blood loss. Emergency medical techniques such as applying pressure to the wound, using a tourniquet, or clotting agents may be employed until professional medical help is provided.

Vascular spasm is a body's natural response to injury where the smooth muscle in the walls of the blood vessel contracts to reduce blood flow and minimize bleeding. However, this is typically insufficient to deal with severe arterial bleeding, and further intervention is necessary.

Increased muscle fiber endurance can be affected by __________.

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...the type of activity performed.

To get better  muscle endurance you need to exercise those muscles.
There are two types of increase: increase of the size of the fibers or a increase in the number of fibers (it's when the muscle fibers divide).  Either way, both this methods need training.




eating a diet rich in fibers, such as whole grain foods and oats. It can also be "affected" consistent daily exercises that strengthen and tone muscles.

The recognition that two different stimuli call for two different responses is known as ____.

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The answer is discrimination. It is a way of showing differentiation in terms of other categories such as things, animals, people or anything that exist. In which is connected to the statement above as it differentiates stimuli of different responses.

Explain how epithelial and connective tissues combine to form four types of membranes

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Epithelial and connective tissues combine to form four types of membranes: mucous membranes (epithelial tissues are moist), serous membranes (line cavities that are not open to the outside environment), cutaneous membranes (skin that covers the surface of the body), and synovial membranes (produce synovial fluid).

A physician may be virtuous (kind, just, and honest) and still not know:

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A physician may be virtuous (kind, just, and honest) and still not know which actions are known as morally permissible. There are more ways to define "morally permissible." One is to break the words apart, to define "morally" and then "permissible." However, there is a more holistic way. In Ethics in the First Person, Deni Elliott defines permissibility thusly. Permitted [means] behavior that is within the bounds of the moral system.

What feature distinguishes adipose tissue from other connective tissues?

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The extracellular material of connective tissue, which plays a major role in the ... feature that distinguishes connective tissue from the other tissues of the body.

How did the Mesozoic era end

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Mesozoic era ended in the  Cretaceous period when the dinosaurs were over and death

Transmission of the disease to a susceptible human by handling contaminated surfaces is referred to as

Answers

The answer is Indirect transmission

what is a period lasting for a few thousand years during which Earth gets warmer?

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Answer:

interglacial is ur answer

Explanation:

Tina's 5-year-old cousin comes into the clinic and you notice that her heart rate increases with inspiration and decreases with expiration. what is your differential diagnosis and treatment plan for this finding

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Numerous kids have a cyclic example in which heart rate is quicker on motivation and abatements on termination. This is a sinus arrhythmia and is a typical finding in your kids. In the event that the patient isn't griping of any agony or shortness of breath, at that point, the in all probability treatment is not do anything. The specialist can propose a resound if there are side effects.

It is a normal situation in children in which heart rate increases with inspiration and decreases with expiration and is called Sinus Arrhythmia. If you find that child is not facing any serious problem then no treatment is required.

Further explanation

Sinus Arrhythmia

Respiratory sinus arrhythmia, in which heart rate increases with inspiration and decreases with expiration, isn't an anomalous mood and is most generally found in youngsters. Sinus arrhythmia is available when the P wave morphology is ordinary and predictable and the P-P interims fluctuate by in excess of 120 milliseconds. Nonrespiratory sinus arrhythmia, in which phasic changes in sinus rate are not identified with the respiratory cycle, can be complemented by the utilization of vagal operators, for example, digitalis and morphine; its mechanism is unknown.

Children and Arrhythmia

For childeren, the pulse, or a number of times a heart pulsates every moment, can change. Exercise, for instance, makes the heart beat all the more frequently, while the pulse backs off during rest.  

The "typical" pulse for a more established youngster or adolescent very still is around 70 beats for each moment. In a newborn child, the heart thumps 140 times each moment by and large.  

A few arrhythmias, or sporadic pulses, are ordinary. For instance, in numerous kids, the pulse accelerates while taking in, at that point backs back off while breathing out. This heartbeat variety with breathing is called sinus arrhythmia, and it's no reason for concern.  

In the event that your kid's primary care physician finds an arrhythmia, the individual in question will probably perform tests to find out additional. You could likewise prefer to a pediatric cardiologist, who works in heart issues in kids.

Treatment of sinus arrhythmia

If doctor finds unusual heartbeats, child feel weak and lightheaded, fainted then he will prescribe medicine. By realizing all that you can about arrhythmias, you can play a functioning job in your childcare. Also, rest guaranteed, a few treatment alternatives are accessible. Together, you and your kid's primary care physician can decide the correct game-plan.

Answer details

Subject: Biology

Level: High school

Keywords

Sinus Arrhythmia Children and Arrhythmia Treatment of sinus arrhythmia

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Robert Hook discovered cells when viewing a _____ under a microscope.

box
blood
cork
plant

Answers

the answer is two cork

Answer:

Cork

Explanation:

Please select the word from the list that best fits the definition



The push or pull of one object on another


A.Gravity


B. Intertia


C. Weight

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Answer: A) Gravity

Explanation:

Which particle is used to determine the atomic number of an element? A) Electron B) Neutron C) Proton D) Soutron

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The answer is C proton!!!
The answer would be option C. Proton. They are used to determine the atomic number of an element.
Hope this helps!

Consider this animal cell. Which organelle is responsible for producing the energy for cellular processes?

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The Mitochondria is the "Power House of the cell." This shows that the Mitochondria creates energy (Composed of ATP)

Answer:

The mitochondria is the key player in the animal cell energy production because it has no other element as important to that function.

Explanation:

The mitochondria are present in both animal and plant cells, nevertheless, the plant cells also have chloroplasts that are the major factor in the creation of the energy in the plant cell. Meanwhile, the animal cell has no presence of chloroplasts and they only rely on the mitochondria to carry on their energy-related activities. Therefore the mitochondria are considered the major energy function contributor in the animal cell.

The cell theory is based on three major premises: Cells are the basic units of life. Each cell must come from a preexisting cell. All living things are made up of cells. Which of the following discoveries was the last to be made?

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Each cell must come from a pre-existing cell.

A sudden, loud noise will reflexively cause the tensor tympani muscle to __________ and cause the stapedius muscle to __________.

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A sudden, loud noise will reflexively cause the tensor tympani muscle to contract, pulling on the malleus ossicle (tiny bone), and cause the stapedius muscle to contract, pulling up on the stapes ossicle.
When presented with a high-intensity sound stimulus, these two muscles contract, known as the acoustic (auditory) or stapedius reflex. The reflex decreases the transmission of vibrational energy to the cochlea, where it is converted into electrical impulses to be transmitted to the brain via the auditory nerve to then be processed.

Translation and protein synthesis is taking place at the ribosome in this illustration. Where did the original instructions for this process originate?

Answers

The instruction originated from the nucleus

Answer:

DNA in nucleus

Explanation:

Sample prep _____ pcr amplification _____ pcr purification _____ sequencing prep _____ dna sequencing _____ sequence analysis
a. computer builds dna sequence to match
b. copy the bacterial dna
c. production of variable length dna samples
d. extract dna by dissolving cell wall with buffer
e. remove contaminants from dna f. separate the individual dna pieces by length

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it is b copy the bacterial dna

True or false? the purkinje fibers are considered the pacemaker of the heart.

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False the sinoatrial node is considered the pacemaker of the heart.

The olecranon process would be found on the __________.

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Olecranon process is found in ulna ... but olecranon fossa is found in humerus

The nurse recognizes that which patient condition is associated with a sweat chloride level of 75 mmol/l and chromosome 7 mutation's effect on the development of bone?

Answers

Cystic fibrosis (CF)

Cystic fibrosis is a genetic disorder caused by a mutation of the cystic fibrosis transmembrane conductance regulator (CFTR) gene in chromosome 7. This disorder mostly affects the lungs, and may affect other organs such as liver, kidneys, intestines, and pancreas as well.

Patients mostly suffer from difficulty breathing, frequent lung infections, and from a buildup of thick mucus in the lungs, pancreas, and other organs. Patients with CF often have "salty skin," with sweat chloride levels greater than 60 mmol/L (in comparison to the normal concentrations of <40 mmol/L). 

The procedure that remove cerebrospinal fluid for diagnosing disorders is a(n) _____.

Answers

(LP) that's the right answer

Which of these energy resources was not created by by the Sun's energy? petroleum uranium coal

Answers

Uranium was not created by the Sun's energy.

The nuclear fusion occurred in the Sun is the responsible for the nucleosynthesis, which means the creation of elements, this is the formation of heavier nuclei from the fusion of lighter nuclei.

The heavier the element the higher the energy and temperature required. The Sun's temperature is enough for the sinthesis of lighter element. Elements from oxygen to iron require much more temperature. And elements heavier than iron (which includes uranium) needs the energy from the explosion of a Supernova.

So, the answer is uranium.

Before carbohydrates are absorbed, __________ digest disaccharides into monosaccharides

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Before carbohydrates are absorbed, the enzymes sucrase, maltase and lactase digest disaccharides into monosaccharides in the small intestine. Sucrase breaks down sucrose into glucose and fructose, maltase breaks down maltose into two glucose, and lactase breaks down lactose into glucose and galactose.

Using repetition and deliberate practice to master skills and habits is essential to ________ memories.

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The appropriate response is procedural memories. Procedural memory is a piece of the long haul memory that is in charge of knowing how to get things done, otherwise called engine aptitudes. As the name infers, procedural memory stores data on the best way to play out specific methods, for example, strolling, talking and riding a bicycle.
Final answer:

Using repetition and deliberate practice helps move information from short-term to long-term memory, aiding the formation of long-term memories. Techniques like elaborative rehearsal, chunking, and mnemonic devices can enhance this process.

Explanation:Repetition and Deliberate Practice in Memory Formation

Using repetition and deliberate practice to master skills and habits is essential in cementing long-term memories. This process involves moving information from short-term memory to long-term memory through active rehearsal. For example, when children learn their ABCs by singing the alphabet song over and over again. Additionally, procedural memories such as skills for riding bicycles or driving are also developed over time through repetition and practice.

Methods like elaborative rehearsal can enhance memory. This technique involves linking new information to already stored knowledge and repeating it. Lastly, another helpful strategy is chunking, where you organize information into manageable bits or chunks, such as breaking up a phone number into area codes and smaller groups of numbers.

Mnemonic devices are another effective method for aiding memory. They are especially useful when we want to remember larger pieces of information such as the order of planets in a solar system or steps of a complex mathematical operation.

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