Which of these is NOT involved in processing of precursor mRNAs (pre-mRNAs) in eukaryotes?
a) Polyadenylation of the 3' end
b) Capping of the 5' end
c) Splicing
d) Initiation of transcription
e) All of these are involved in processing

Explanation:

increases

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Enamel is indeed the hardest substance in the human body. It is present in teeth of humans. It covers every tooth and provides the hard layer.

Tooth Enamel is hard glossy substance that is comprised of calcium and phosphate mineral crystals which in return makes our teeth more stronger. Teeth enamel care is extremely important to maintain the oral health of teeth.

Tooth Enamel is one of the major tissue that make up tooth in humans. It covers the top layer of the teeth known as Crown. Calcium hardens the tooth enamel. Enamel contains 96% of the minerals. The color of Enamel varies from light yellow to white.

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When the peptide (AEFFLAMEP) forms an α-helix, the amino acid residue which would be closest to being in the same position on the same face of the helix as the initial alanine residue is E(8)

There are some amino acid residues present in a peptide sequence (e.g., alanine, glutamic acid, leucine, and histidine) that encourage α-helical assembly. a-helix structures are formed and maintained by interactions that are the hydrogen bonds between the carbonyl oxygen of one amino acid, and the amide proton of separate amino acid residues further along the peptide chain.  Also when two or more amino acids combine to form a peptide, the water is removed, and then whatever remains of each amino acid is called an amino-acid residue.

The question is incomplete and the complete question was probably "When the peptide (AEFFLAMEP) forms an α-helix, which amino acid residue would be closest to being in the same position on the same face of the helix as the initial alanine residue? "

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Answer:

B. galactose

Explanation:

Galactose is a monosaccharide and is fairly abundant in a human diet

Answer:

hii there

Explanation:

( 1 )

Week 2 = plant A = 50 CM.

plant B = 30 CM.

plant C = 20 CM.

Week 3 = plant A = 70 CM.

plant B = 40 CM.

plant C = 30 CM.

Week 5 = plant A = 80 CM.

plant B = 60 CM.

plant C = 30 CM.

Week 7 = plant A = 90 CM.

plant B = 75 CM.

plant C = 40 CM.

( 2 )

there are no points in which each plant stay at the same height

( 3 )

( 1 ) Plant A grew the fastest.

( 2) plant C grew the slowest

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Answer:

Week 2 = plant A = 50 CM.

plant B = 30 CM.

plant C = 20 CM.

Week 3 = plant A = 70 CM.

plant B = 40 CM.

plant C = 30 CM.

Week 5 = plant A = 80 CM.

plant B = 60 CM.

plant C = 30 CM.

Week 7 = plant A = 90 CM.

plant B = 75 CM.

plant C = 40 CM.

( 2 )

there are no points in which each plant stay at the same height

( 3 )

( 1 ) Plant A grew the fastest.

( 2) plant C grew the slowest

Hope it helps you

have a good day dear :)

Explanation:

Answer:

During active transport, substances move against the concentration gradient, from an area of low concentration to an area of high concentration. This process is “active” because it requires the use of energy (usually in the form of ATP). It is the opposite of passive transport.

A typical action potential in a neuron is caused by  a brief increase in Na+ permeability followed by a brief increase in K+ permeability .The correct answer is D.

A typical action potential in a neuron is caused by a brief increase in Na+ permeability, which causes depolarization of the membrane potential, followed by a brief increase in K+ permeability, which causes repolarization of the membrane potential. This process is also known as the "depolarization-repolarization cycle" and is crucial for the transmission of nerve impulses in the nervous system.

                                          The surge in the activity of the Na+/K+ pump (option A) is important for maintaining the resting membrane potential, but it is not directly involved in the generation of an action potential. Option B and C are incorrect because they suggest an increase in the intracellular concentration of K+ or Na+ ions, which is not the cause of an action potential. Option E is also incorrect because it suggests a simultaneous increase in the permeability of the membrane to both Na+ and K+ ions, which does not accurately describe the sequence of events during an action potential.

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The sequence of mutation events that led to mammals ending up with 4 different hox clusters from the first homeobox gene at the common ancestor with plants can be described as follows:

1. Duplication: The first mutation event involved the duplication of the original homeobox gene, resulting in two copies of the gene in the genome.

2. Divergence: Over time, the duplicated copies of the gene accumulated mutations, causing them to diverge from each other in terms of their DNA sequence and function.

3. Additional duplications: Subsequent mutation events led to further duplications of the homeobox gene copies, resulting in multiple sets of duplicated genes.

4. Rearrangement: Through further mutations and genetic rearrangements, these duplicated genes eventually organized into distinct clusters, known as hox clusters.

5. Specialization: Each hox cluster acquired unique mutations and regulatory elements, leading to the development of different functions and specific roles in mammalian development.

It is important to note that the precise sequence of mutation events leading to the formation of 4 hox clusters in mammals is still an area of ongoing research and investigation.

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Answer:

pufferfish and swellfish

Explanation:

they are in the same little catagory thing, meaning they came from the same time period. they are the closest related animals in the diagram. i hope this helped! have an awesome, amazing day! (:

Answer: water (H2O) -> Glucose

Explanation:

Answer:

C

Explanation:

Answer:

The answer is C!

Ape x

Explanation:

I took the quiz

Answer:

Deoxribose and phosphate groups

Explanation:

DNA consists of two strands of protein that wind around each other like a twisted ladder. Each strand has a backbone made of alternating sugar (deoxyribose) and phosphate groups.

Answer:

the property of high heat capacity allows highly regulated internal body temperatures.

Explanation:

Sanshool inhibits leak channels by binding to the channels and disrupting the flow of ions through them. This inhibition helps to maintain the proper balance of ions within cells, which is important for proper cellular function.

Sanshool is a compound found in Sichuan peppers, which are commonly used in Chinese cuisine. It is known for its unique and intense flavor, as well as its ability to produce a tingling or numbing sensation in the mouth. Sanshool has been found to have a number of physiological effects, including the inhibition of leak channels.

Leak channels are ion channels that are present in the membranes of cells and allow the passive flow of ions, such as sodium or calcium, from one side of the membrane to the other.

This flow of ions is important for maintaining the proper balance of ions within the cell, which is necessary for proper cellular function. However, leak channels can also contribute to the loss of ions from cells, which can be detrimental to the cell's overall health.

Sanshool has been found to inhibit the activity of leak channels, thus reducing the loss of ions from cells. This inhibition occurs through the binding of sanshool to the leak channels, which disrupts the flow of ions through the channels.

By inhibiting leak channels, sanshool helps to maintain the proper balance of ions within cells, which is important for proper cellular function.

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Answer:

oceans

Explanation:

The vast majority of water on the Earth's surface, over 96 percent, is saline water in the oceans. 

A protein that binds to the operator and blocks the rna polymerase is called repressor

The operator gene is bound by a repressor protein that prevents the operon's structural genes from being transcribed in the absence of an inducer.

RNA polymerase interacts with a region of DNA called the promoter, which is near to the gene's start. In bacteria, each gene has its own promoter, which is a collection of co-transcribed genes. The template for transcription is produced when RNA polymerase splits the DNA strands into single strands after binding.

Repressors prevent RNA polymerase from connecting to or moving forward by attaching to operator sequences that are downstream of the promoters and limiting transcription.

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The outer layer of the adrenal cortex secretes a group of hormones called corticosteroids.

Corticosteroids can be further classified into three main types: mineralocorticoids, glucocorticoids, and sex hormones. Mineralocorticoids, such as aldosterone, regulate electrolyte and fluid balance in the body, mainly by influencing the reabsorption of sodium and excretion of potassium in the kidneys. Glucocorticoids, such as cortisol, play a vital role in regulating metabolism, immune response, and stress response.

They affect various tissues and organs throughout the body. Finally, sex hormones, including androgens and estrogens, contribute to the development and functioning of reproductive tissues and secondary sexual characteristics. Collectively, these corticosteroids help maintain homeostasis and influence numerous physiological processes in the body.

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Answer:

Bc they grind them up so much it turns to flour. or a powdery substance. your answered your own question about the seeds

Explanation:

Answer:

Please make me brainalist and keep smiling dude I hope you will be satisfied with my answer

Explanation:

During inspiration, the diaphragm contracts and the thoracic cavity increases in volume. This decreases the intraalveolar pressure so that air flows into the lungs.

Understanding gas and vapours in a work setting is incredibly important for workplace safety. Gas and vapours can contain noxious substances that, if exposed to, can lead to serious injury or health implications.

In order to prevent such accidents, employers must perform risk assessments in order to assess and identify any areas of risk and put in place control measures to limit them. If gas and vapours are used onsite, then suitable ventilation and extraction systems should be in place.

Employers should also ensure that their staff are aware of the potential risks associated with such substances and provide adequate training and instruction in how to work safely. Finally, employers should also check that any necessary personal protective equipment is provided and communications are in place to be able to notify relevant emergancy responders in case of an accident.

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Answer:

Well, Shibuya City is located in the Tokyo Metropolis of Japan and since it is an urbanized area, it is an continental environment.

Answer:

The difference between founder events and population bottlenecks is the type of event that causes them. A founder event occurs when a small group of individuals is separated from the Page 3 rest of the population, whereas a bottleneck effect occurs when most of the population is destroyed

Explanation:

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If the membrane is too rigid it becomes brittle and if the membrane is to fluid it will easily break down.

The membrane of a cell is made out of two phospholipid layers. In 1972 Garth L. Nicholson and S.J Singer gave us the model of *plasma* *membrane* . Overtime the model came to be known as fluid mosaic model. Here the model describes the membrane to be a mosaic of various components such as proteins , cholesterol, phospholipid and carbohydrates , giving a fluid like structure for the plasma *membrane* . The phospholipid part of the plasma membrane has a hydrophilic head and hydrophobic tail. The hydrophilic part is in touch with the fluid outside and inside of the cell. Where is the hydrophobic part is non-polar in nature. The rest is made out of protein elements such as integrins. Third most important component of membrane are carbohydrates . So if the *membrane* is too rigid then as the temperature goes down it will become extremely brittle and can break easily. And if the membrane became too fluid it might make the lipid bilayer unstable.

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Answer:

Follicle-stimulating hormone (FSH) and Luteinizing hormone (LH)

Answer:

O The ocean water condenses in clouds.

Explanation:

After the evaporation part of the water cycle, the ocean water vapor rises into the atmosphere and cools, leading to the process of condensation. This results in the formation of clouds. These clouds can then move with the help of wind, and the water droplets within them can combine and grow larger through the process of coalescence. Eventually, the droplets become heavy enough to fall to the Earth's surface as precipitation, which can take the form of rain, snow, sleet, or hail, depending on the temperature and other factors. Therefore, the correct answer is "The ocean water condenses in clouds."

Answer:

1. Greenhouse gases absorb all kinds of radiation that fall on them

2. Greenhouse gases are released when the suns rays hit earth

3. Greenhouse gases allow the suns rays to pass through

4. Greenhouse gases absorb infrared radiation from earth’s surface

Answer:

increase temperature

Explanation:

Pressure waves in the perilymph of the cochlea's scala vestibuli are produced by mechanical vibrations of the stapes footplate at the oval window.

These waves pass through the helicotrema at the cochlea's tip, the scala tympani, and the cochlea's tip before vanishing when they strike the circular window. Pressure waves are created in the scala vestibuli, the vestibular membrane shifts, pressure waves form in the cochlear duct, the basilar membrane is displaced, the spiral organ's hair cells are warped, a nerve signal is started, and pressure waves are then conveyed to the scala tympani. round window Cochlear duct pressure wave creation initiated by a nerve signal Moving of the basilar membrane Spiral organ hair cells are deformed. Motion of the vestibular membrane In scala vestibuli, pressure waves are produced The scala tympani received pressure waves. oval window Reset.

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