In eukaryotes, general transcription factors A) are required for the expression of specific protein-encoding genes. B) bind to other proteins or to a sequence element within the promoter called the TATA box. C) inhibit RNA polymerase binding to the promoter and begin transcribing. D) bind to sequences just after the start site of transcription.

we have 300+300+50+350=1000 individuals

400 have the u2 gene

that means 40% or a frequency of 0.4

Answer:

Explanation:  

In rest, the tropomyosin inhibits the attraction strengths between myosin and actin filaments. Contraction initiates when an action potential depolarizes the inner portion of the muscle fiber. Calcium channels activate in the T tubules membrane, releasing calcium into the sarcolemma. At this point, tropomyosin is obstructing binding sites for myosin on the thin filament. When calcium binds to troponin C, troponin T alters the tropomyosin position by moving it and unblocking the binding sites. Myosin heads join to the uncovered actin-binding points forming cross-bridges, and while doing so, ATP turns into ADP and inorganic phosphate, which is released. Myofilaments slide impulsed by chemical energy collected in myosin heads, producing a power stroke. The power stroke initiates when the myosin cross-bridge binds to actin. As they slide, ADP molecules are released. A new ATP links to myosin heads and breaks the bindings to the actin filament.  Then ATP splits into ADP and phosphate, and the energy produced is accumulated in the myosin heads, which starts a new binding cycle to actin. Finally, Z-bands are pulled toward each other, shortening the sarcomere and the I-band, producing muscle fiber contraction.

Answer:

Independent Variable= Identity of the pill

Dependent Variable = The reactions to different chemicals

Control= The known Substances

Constant= adding 3 drops to each chemical to each substance

Answer:The cell will become swollen and turgid

Explanation:Salt water draws water out of a cell dilute water is absorbed into the cell... Both by osmosis

Answer:

Due to the presence of cell wall

Explanation:

ithinkso:)

Many protists alternate between diploid and haploid phases or reproduction during their life cycle.

This alternation between diploid and haploid phases allows for genetic diversity and adaptation in protists, contributing to their evolutionary success.

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Answer: The tissue structure of the liverworts restricts them to a type of environment that affects their size.

Explanation:

Nonvascular plants, also called the Bryophytes in Kingdom Plantae, are simple plants that grow in damp places on land and as the name implies, are non vascular plants( that is, they lack vascular tissues). There are three types of nonvascular plants which includes:

--> Mosses

--> liverworts and

--> hornworts.

Liverworts are restricted to a particular size through the type of tissue they have ( non vascular) because it predisposes them to lack conducting vessels like the phloem and xylem found in vascular plants which aids in conducting water and food to various parts of the plants. Also they do not grow tall like the vascular plants because they lack the qualities that will enable them do so, such as roots, stems and leaves.

Nonvascular plants are low-growing, reproduce with spores, and need a moist or damp environment.

Answer:

B) Coal

Explanation:

B) Coal

It is coal, bc coal is a non-renewable resource

Answer:

b) sample size

Explanation:

got it right on edge 2020

Answer:

B.)

Explanation:

Edg 2020

Trait formation due to behaviours, Thus, option "D" is correct.

It is obvious to see that the three animals, cat, whale, and bat, have the same basic structure of their forelimbs, but also that they have developed differently and have taken a new shape. The reason for this is a trait formation due to behaviour.

The cat's ancestors were terrestrial, and the cats have remained terrestrial, walking on their four legs, and having the same shape and function as their ancestors.

The whales had similar forelimbs, but their ancestors started to move more and more in water. As they did, they needed more muscle power, but also greater width of the forelimb so that they can move more easily and more efficiently in the water.

This behaviour has gradually resulted in a flat, strong, peddle-like forelimb. The bat too had similar forelimbs to that of the cat, but its ancestors started to try to fly.

The process was gradual, and it started with jumping, then longer jumps, development of skin between the fingers, and elongation of the fingers, thus providing more area for the development of wider skin area. This has resulted in developing a light, wide, skin-dominated forelimb with elongated fingers, providing flight for the bat.

Thus, option "D" is correct.

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Answer: The Nervous and Endocrine systems are the organ systems that are responsible for coordination body functions.

Explanation: They both help in coordinating body functions and regulate the body functions.

Answer:

False

Explanation:

When insulin enters the muscle cells it signals the cells to stop breaking down glucose to stablize your body's blood sugar level

Answer:

false

Explanation:

because i know lol

The monomers, examples, location and linkage of the biomolecules can be found below;

Biomolecules are molecules, such as amino acids, sugars, nucleic acids, proteins, polysaccharides, DNA, and RNA, that occur naturally in living organisms.

Nucleic acids are any acidic, chainlike biological macromolecule consisting of multiple repeat units of phosphoric acid, sugar and purine and pyrimidine bases.

Proteins are a complex naturally-produced molecules composed of one or more long chains of amino acids, in which the amino acid groups are held together by peptide bonds.

A glycosidic bond or glycosidic linkage is a type of covalent bond that joins a carbohydrate (sugar) molecule to another group, which may or may not be another carbohydrate.

Lipids are any of a group of organic compounds including the fats, oils, waxes, sterols, and triglycerides.

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Answer:

The word that would fill this space would be calcium. Calcitonin lowers it, calcitriol increases it, and parathyroid hormones balance it out.

I hope this helped you! Good luck. :)

Answer:

In the initial stages of digestion of food, the stomach performs an essential role. Apart from doing churning and squeezing the food bolus, it also discharges an amalgamation of compounds, together called gastric juice. It comprises mucus, water, pepsin, HCl, and intrinsic factor. Of these five constituents, the principal enzyme that takes part in the digestion of protein is pepsin.

It dissociates proteins into amino acids and smaller peptides, which can easily get captivated within the small intestine. This pepsin is released in its sedentary form, or zymogen form called pepsinogen by the chief cells present within the gastric lining. It is released in its sedentary form by the stomach, by this the stomach inhibits the auto-digestion of defensive proteins in the digestive tract's lining.

If Students in Mr. Klein’s chemistry class are conducting an experiment to calculate the specific heat of a copper sample. the lab team with an unresolved problem is: B. Team 2.

To determine whether any of the lab teams have an unresolved problem, we need to calculate the percent error for each team using the formula given:

percent error = (observed - true) / true x 100

For the accepted value of specific heat of copper, true value = 0.385 J/g°C.

a. Team 1 calculates 0.390 J/gºC

The percent error for Team 1 is:

percent error = (0.390 - 0.385) / 0.385 x 100

percent error = 1.3%

Since the percent error for Team 1 is less than 2%, their experiment meets Mr. Klein's requirement.

b. Team 2 calculates 0.395 J/gºC

The percent error for Team 2 is:

percent error = (0.395 - 0.385) / 0.385 x 100

percent error = 2.6%

Since the percent error for Team 2 is greater than 2%, their experiment does not meet Mr. Klein's requirement.

Therefore, the lab team with an unresolved problem is Team 2, and the correct answer is option (b).

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Human activities such as agriculture are impacting upon the natural ecosystems.

Environmental issues can result from considerable environmental stress caused by human activity. Natural resource exploitation and consumption, pollutant production, habitat destruction, and ecosystem modification are all frequent components of these activities.

Intensive farming methods, such as cutting down trees to make way for farms and using chemical pesticides and fertilizers, can deteriorate soil quality, cause deforestation, and cause runoff to pollute water. Ecosystems are disturbed, biodiversity is decreased, and deforestation causes climate change by releasing carbon dioxide that was previously held in trees.

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Human activities, such as deforestation, contamination, overfishing, and nursery gas outflows, disturb the environment, jeopardizing supportability by undermining biodiversity and biological system wellbeing.

Human activities play a critical part in setting stress upon the environment, disturbing the fragile interrelationship between people and the physical environment.

Activities such as deforestation, mechanical contamination, overfishing, and nursery gas emanations contribute to major natural issues.

Deforestation leads to territory misfortune and expanded carbon dioxide levels, whereas mechanical contamination sullies discuss, water, and soil.

Overfishing disturbs marine environments and depletes angle populaces, and nursery gas emanations contribute to climate alteration.

These natural issues, in case, cleared out unaddressed, debilitate our capacity to live reasonably, jeopardizing biodiversity, clean discuss and water, and in general environmental well-being.

Accomplishing supportability requires adjusting human needs with natural preservation and advancing dependable asset administration.

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The reason for the clear zone may be that there is Insufficient lipolytic activity.

The absence of clear zones when using LB media with 1% olive oil for screening lipolytic bacteria could be due to Insufficient lipolytic activity.

Enzymes called lipases, which are produced by lipolytic bacteria, break down fats and oils. It's possible that the bacteria utilized in the experiment won't create lipases or have poor lipolytic activity, which would prevent them from efficiently hydrolyzing the olive oil in the media. There wouldn't be any observable clearing or lipid hydrolysis zones as a result.

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Vanessa has a better absolute threshold and more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.

Carlton and Vanessa were lab partners for a biology class and were asked to run a smell test experiment on each other.

Vanessa was excellent at noticing the difference between various intensities of vanilla and evergreen.

Carlton, on the other hand, couldn't distinguish the difference in the intensities of both vanilla and evergreen, though he could tell the smells of both.

Hence, based on the information provided in the scenario, it can be inferred that Vanessa has a more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.

The two significant aspects that are involved in the scenario are absolute threshold and difference threshold.

The absolute threshold is the smallest quantity of a stimulus that an individual can detect, whereas the difference threshold is the minimum difference in stimuli that an individual can detect.

Carlton could recognize the stimuli's smell but not the difference in the intensity of vanilla and evergreen.

This shows that Carlton has an impaired absolute threshold.

He could not detect the smallest quantity of a stimulus to differentiate between the smells.

Vanessa was quite good at noticing the difference in the intensities of vanilla and evergreen.

This means that Vanessa has a more sensitive difference threshold than Carlton. She could detect the minimum difference in stimuli required to differentiate between smells.

Vanessa also has a better absolute threshold than Carlton as she could detect the smallest quantity of stimulus required to detect the smells.

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Answer: C. Hydrolysis

Explanation:

In the process of hydrolysis, large complex molecules such as polymers are broken down into smaller, simpler molecules like monomers.

This is done through the use of water. The molecule that neds to be broken down is reacted with water and water then breaks the bonds of the complex molecule. The hydrogen ion in water goes to a molecule of the other reactant and the OH- goes to another molecule.

Answer:

A. The sexual phase can produce variations within the species

Explanation:

the objective observation and measurement of the dependent variable

Answer:

weathering breaks parent material into smaller pieces

Explanation:

I took the test and it was correct.

Answer:

Title: One Flew Over the Cuckoo’s Nest

Writer: Lawrence Hauben, Bo Goldman

Director: Milos Forman

Year of release: 1975

Time period: 1960s

Filming locations: Salem, Oregon and Depoe Bay, Oregon

Estimated budget: $4.4 million

Studio(s) that distributed the movie: United Artists

Actors:

P. McMurphy - Jack Nicholson

Nurse Ratched - Louise Fletcher

Martini - Sydney Lassick

Cheswick - Sydney Lassick

Harding - William Redfield

Tabor - Christopher Lloyd

Chief Bromden - Will Sampson

Billy Bibbit - Brad Dourif

Turkle - Scatman Crothers

Synopsis:

One Flew Over the Cuckoo’s Nest is a drama film that follows the story of Randle McMurphy (Jack Nicholson), a criminal who pretends to be insane to avoid hard labor in prison. He is sent to a mental institution where he meets Nurse Ratched (Louise Fletcher), the head nurse who has a strict and authoritarian approach to mental health treatment. McMurphy’s arrival shakes up the ward, and he becomes a leader and a role model for the other patients, including Martini (Sydney Lassick), Cheswick (Sydney Lassick), Harding (William Redfield), Tabor (Christopher Lloyd), Chief Bromden (Will Sampson), and Billy Bibbit (Brad Dourif). McMurphy challenges Nurse Ratched’s authority, and their power struggle leads to a tragic ending.

Examples of how the film has shown mental health treatment:

1. In one scene, Nurse Ratched conducts a group therapy session where she asks the patients to share their feelings. When Billy Bibbit admits that he is afraid of women, Nurse Ratched humiliates him by forcing him to stand up and reveal his sexual insecurities in front of the group. This scene shows the insensitivity and lack of empathy that some mental health professionals display towards their patients.

2. In another scene, McMurphy organizes a fishing trip for the patients, and they all escape the hospital for a day. During the trip, they bond with each other and experience a sense of freedom and joy that they cannot find in the hospital. This scene highlights the importance of socialization and leisure activities in mental health treatment, and how they can have a positive impact on patients’ well-being.

3. In the climax of the film, McMurphy undergoes a lobotomy, a surgical procedure that was once a common treatment for mental illness. The scene is graphic and disturbing, and it shows the brutality and inhumanity of some mental health treatments that were used in the past.

What the film is trying to say about mental health treatment during this time period:

One Flew Over the Cuckoo’s Nest is a critique of the mental health system in the 1960s, which was characterized by institutionalization, medication, and control. The film shows how mental health professionals often treated their patients as objects rather than human beings, and how they used their power to maintain order and conformity at the expense of patients’ dignity and autonomy. The film suggests that mental health treatment should be more humane, individualized, and empowering, and that patients should be treated with respect and compassion.

Final summarizing statement and personal rating:

One Flew Over the Cuckoo’s Nest is a powerful and thought-provoking film that raises important questions about mental health treatment and human rights. The film is well-acted, well-directed, and has a memorable soundtrack that enhances the emotional impact of the story. I highly recommend this film to anyone who is interested in mental health, social justice, and human psychology. I give this film a rating of 4.5 out of 5 stars.