A thin layer of tissue called the _____ covers the brain's two hemispheres, collectively known as the _____.

Answer:

Said scientist will use a fail and try again method. When one certain thing fail and then you make a little change

The hypothesis can be rejected as p value is not significant for the experiment.

A) Let q represent the frequency of the recessive allele and p represent the frequency of the dominant allele (yellow) (white). If the hypothesis is true, then p + q = 1 and the predicted frequencies of yellow and white kernels are 9882p and 9882q, respectively.

The sum of the squared differences between the observed and predicted frequencies, divided by the expected frequencies, yields the chi-square value:

X^2 = (7506 - 9882p) (7506 - 9882p)

^2 / (9882p) + (2376 - 9882q)^2 / (9882q) (9882q)

We arrive at p = 0.75 and q = 0.25 after solving for p and q. Therefore, the chi-square value is:

X^2 = (7506 - 7415.5) (7506 - 7415.5)

^2 / 7415.5 + (2376 - 2466.5) (2376 - 2466.5)

^2 / 2466.5 = 0.849

Therefore, this experiment's chi-square value is 0.849.

b) The degree of freedom for the given experiment is one.

c)Statistical tables or software can be used to determine the P-value for a chi-square distribution with one degree of freedom and a specific chi-square value. If the null hypothesis—in this case, the segregation hypothesis—is true, the P-value shows the likelihood that a chi-square value will be as extreme as or more extreme than the computed value.

d) P value is not significant hence experiment is rejected.

To know more about experiment, click here,

brainly.com/question/17274244

#SPJ4

The cell cycle is a series of events that occur in a cell leading to its division and replication. Interphase is the longest phase of the cell cycle, where the cell grows and replicates its DNA.

The G0 stage is a phase in which cells are in a dormant state and do not replicate or divide. The restriction point is a checkpoint in the cell cycle that determines whether the cell should proceed to division or not. The G1 phase follows the restriction point and is characterized by cell growth and protein synthesis.

The S phase involves DNA replication. The G2 stage is a phase in which the cell prepares for mitosis. Mitosis is the process of cell division that occurs in somatic cells and involves several stages: prophase, metaphase, anaphase, and telophase.

Cyclins and cyclin-dependent kinases (CDKs) are proteins that regulate the cell cycle by controlling the activity of different phases. Transcription factors are proteins that regulate gene expression during the cell cycle. P53 is a tumor suppressor gene that regulates the cell cycle and promotes apoptosis in case of DNA damage.

To know more about DNA refer here:

https://brainly.com/question/264225#

#SPJ11

Answer:

A. up to nine times the mass of the sun. 100%

Explanation:

please mark brainliest

Answer:

A)up to nine times the mass of the sun.

Explanation:

Answer:

Thermal energy is the energy that is contained and a part of heat.

Conduction is when heat or electricity moves through a solid object.  

Radiation is energy that comes from a source and travels through space at the speed of light.

Convection is the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity this causes a heat transfer.

Carbonia and Insularia Peppered moths are two distinct forms or subspecies of the peppered moth (Biston betularia). The main difference between these forms lies in their geographic distribution and coloration.

Carbonia Peppered Moth: Carbonia is a form of peppered moth that is predominantly found in industrial areas where pollution and soot are prevalent.

These moths have dark or melanic coloration, which provides them with camouflage against the darkened tree trunks that were common in industrialized regions. The dark coloration of Carbonia moths helped them evade predators and increased their survival rates in polluted environments.

Insularia Peppered Moth: Insularia is another form of peppered moth that is primarily found in non-polluted or rural areas.

These moths have lighter or speckled coloration, which allows them to blend in with lichen-covered tree trunks that are common in unpolluted habitats.

The light coloration of Insularia moths provided them with camouflage against their natural background, reducing predation risk.

The difference in coloration between Carbonia and Insularia Peppered moths is an example of industrial melanism, where moth populations adapted to their changing environment due to human industrial activities.

For more such answers on Moth

https://brainly.com/question/30490195

#SPJ8

without atoms, the chemical elements wouldn't exist. then, molecules, then proteins, then life itself. basically we're made out of atoms just like everything else.

Answer:Phototropism demonstrates which two characteristics of living organisms? answerchoices growth and nutrition growth and sensitivity

Explanation:

We learn from phototropism that all living organisms, including plants, must exhibit various aspects of life. This specifically entails development, reactivity to stimuli, and adaptation.

A plant's ability to grow either toward or, in some situations, away from a light source is known as phototropism. The modulation of physiology or development in relation to day length is known as photoperiodic.

A plant can maximize photosynthetic light absorption in the aerial portion and water and nutrient uptake in the roots by using phototropism, or

The differential cell elongation displayed by a plant organ in response to directed blue light.

Plants use a process called phototropism to move toward a light source for photosynthesis, or to maximize the quantity of light they take in.

More popularly known as auxin, phototropism would not be possible. A vital hormone in plants is called auxin.

Therefore, phototropism  demonstrates characteristics of living organisms.

Learn more about phototropism here:

https://brainly.com/question/16915126

#SPJ2

The false statement about epigenetic modifications is:
c. Only non-DNA components of chromatin are modified with epigenetic markers.

Epigenetic modifications refer to changes in gene expression that do not involve changes to the underlying DNA sequence. These modifications can be inherited and can influence how genes are turned on or off in different cells or at different stages of development.

a. The tails of the nucleosome octamer components can be modified with methylation: This statement is true. Methylation of the tails of nucleosome octamer components, which are made up of histone proteins, can affect gene expression by either activating or repressing the associated genes.

b. The tails of the nucleosome octamer components can be modified with acetylation: This statement is also true. Acetylation of histone tails is another type of epigenetic modification that can influence gene expression. Acetylation generally leads to gene activation by relaxing the chromatin structure and allowing transcription factors to access the DNA.

d. Epigenetic modifications control whether a region is euchromatin or heterochromatin: This statement is true. Epigenetic modifications play a crucial role in determining whether a region of DNA is in a euchromatin state, which is more accessible for gene expression, or a heterochromatin state, which is more condensed and less accessible for gene expression.

In summary, the false statement is c. Only non-DNA components of chromatin are modified with epigenetic markers. Epigenetic modifications can occur on both DNA and non-DNA components of chromatin, such as histone proteins. These modifications can have significant impacts on gene expression and are essential for cellular development and function.

Learn more about non-DNA components here:-

https://brainly.com/question/32988546

#SPJ11

Answer:

During reproduction plant might experience absence of pollinators or presence of low temperature

Explanation:

Following can be the problems a plant might encounter during reproduction

Plant reproduction takes place through the asexual and sexual process called pollination. They can either self-pollinate or cross-pollinate.

Learn more about the two problems a plant might encounter during reproduction.

brainly.com/question/18597682.

Answer:

Plants are called Producers because they can produce food energy. Animals are called Consumers because they can only consume food energy. Animals that eat plants are called Herbivores or Primary Consumers. Animals that eat other animals are called Carnivores.

Explanation:

Answer:chip snakes

Explanation:

The findings that dansyl binds to receptors on certain B cells but does not stimulate them to indicate that this drug (dansyl) is a hapten.

Hapten drugs can be defined as small molecular compounds that combine with proteins to trigger the concomitant production of antibodies and thus produce an immune response.

In conclusion, the findings that dansyl binds to receptors on certain B cells but does not stimulate them to indicate that this drug (dansyl) is a hapten.

Learn more about haptens here:

https://brainly.com/question/12857909

#SPJ1

Answer:

Lol i see I’m not the only one who uses Brainly on k-12

Explanation:

This is Anaphase of Mitosis. Mitosis is an equational division.

A cell prepares for cell division by replicating its chromosomes, segregating them, and creating two identical nuclei during the mitotic phase.

The cell's contents are often evenly divided into two daughter cells with identical genomes after mitosis. A cell copies each chromosome during mitosis and distributes one copy to each of its two daughter cells.

With regard to our example of an instruction manual, it is crucial that each person receive a duplicate of each page.

Therefore, This is Anaphase of Mitosis. Mitosis is an equational division.

To learn more about Mitosis, refer to the link:

https://brainly.com/question/29776367

#SPJ2

Answer:

Response to stimulus

Explanation:

I think

Answer:

new seafloor

Explanation:

If your patient complains of pain in the epigastric region, the likely source of the pain would be the stomach.

The epigastric region is located in the upper part of the abdomen, between the costal margins, and below the subcostal plane. It contains a number of important organs including the liver, stomach, spleen, pancreas, and duodenum. Out of all these organs, the stomach is the most likely source of pain in the epigastric region as it is located centrally and commonly associated with epigastric pain.

The stomach is a muscular organ located between the esophagus and the small intestine. It plays a vital role in the digestion of food by grinding and mixing it with gastric juice which contains hydrochloric acid and digestive enzymes.

The stomach also regulates the release of food into the small intestine, where it is further digested and absorbed. Pain in the epigastric region is often associated with conditions like gastritis, peptic ulcers, acid reflux, and inflammation of the pancreas or gallbladder.

To know more about stomach visit the link

https://brainly.com/question/4306562

#SPJ11

Answer:

The state of gathering together.

Explanation:

Concentration is a noun and it refer to the act of gatthering closely or the state of gathering together or condition of collecting things or substances together.

In biochemistry it can mean the measure of the ratio of mass to volume in a solute and ratio of mass to volume of a solvent in a solution.

a. The uninoculated controls were negative controls used to ensure the absence of contamination.

b. The PR base broths served as a growth medium to support bacterial growth and determine if the organisms could utilize certain nutrients.

Negative controls are used to determine if contamination occurred during the experiment, as they should not exhibit any growth. The absence of growth in the uninoculated controls confirms that any observed growth in the experimental groups is due to the inoculated bacteria and not due to contamination.

The PR base broths were used to determine if the organisms could utilize certain nutrients for growth. The ability to grow in specific media can help identify the bacterial species present and provide insight into their metabolic capabilities. Additionally, the PR base broths provide a controlled environment for the bacteria to grow, allowing for accurate assessments of bacterial growth rates and other characteristics.

To know more about uninoculated, here

brainly.com/question/5785417

#SPJ4

Answer:

.

Explanation:

.

The correct option is B- II,I,IV,III represents the process of translation and V represents the process of transcription.

II. Ribosome bonds to mRNA strand

I. tRNA anticodon bonds to mRNA codon

IV. Each tRNA adds an Amino Acid to the chain as the Ribosome moves along the mRNA

III. Ribosome reaches a STOP codon and detaches from the mRNA

Transcription is the name given to the formation of RNA from a strand of DNA, with the “copy” of the information contained in the DNA to the RNA. This process is extremely important, as the information transcribed to the RNA molecule is translated into the formation of proteins.

Protein synthesis (translation) takes place in the cytoplasm and consists of reading the mRNA. The process involves three steps known as: initiation, elongation and termination. Synthesis begins (initiation step) when the smaller subunit of a ribosome and a specific tRNA associate with an mRNA.

With this information, we can conclude that Transcription is the  formation of RNA from a strand of DNA, with the “copying” of the information contained in the DNA to the RNA.

Learn more about transcription and translation in brainly.com/question/16305501

#SPJ1

The cyanobacteria, also known as blue-green algae, are believed to have evolved photosynthesis first. This is supported by several lines of evidence such as fossil evidence and genetic evidence.

First, cyanobacteria are the only prokaryotes that perform oxygenic photosynthesis, a process by which light energy is used to convert carbon dioxide and water into organic compounds and oxygen gas.

This process is similar to the photosynthesis found in plants, which suggests that cyanobacteria were the first organisms to develop this process.

Second, the oldest known fossils of cyanobacteria are dated to be around 3.5 billion years old, which is much earlier than the evolution of eukaryotic photosynthetic organisms like algae and plants.

These fossils provide strong evidence that cyanobacteria were the first organisms to evolve photosynthesis.

Third, genetic studies have shown that the genes involved in photosynthesis in cyanobacteria are similar to those found in chloroplasts of algae and plants, which further supports the idea that cyanobacteria were the ancestors of photosynthetic eukaryotes.

Overall, the evidence suggests that cyanobacteria were the first organisms to evolve photosynthesis, and that this process played a key role in shaping the evolution of life on Earth.

To learn more about cyanobacteria, click here:

https://brainly.com/question/2516577

#SPJ11

Mutations  accumulate in dna over succeeding generations and are the ultimate source of new genetic variation.

learn more about mutations here: https://brainly.com/question/14438201

#SPJ4

Option D) The proteins on its surface and that of the host determine a virus's host range.

The variety of host creatures that a given virus may infect is referred to as the virus's host range. The compatibility between the proteins on the surface of the virus and the surface of the host cell is one of the most crucial elements that determine the host range.

Viral attachment proteins or viral envelope proteins are examples of unique proteins found on the outer surface of viruses that enable them to recognize and bind to certain receptors on the surface of host cells. For the virus to successfully connect to and enter the host cell, the surface proteins on both the virus and the host cell must be compatible.

To learn more about virus, refer to:

https://brainly.com/question/25236237

#SPJ4

The standard heat of formation of compound C₃H₄ is 276.8kJ/moles

In this case, the equation used to model the heat transfer to the calorimeter and calculate the heat of reaction is:

ΔHrx = mcΔT

where ΔHrx is enthalpy, m is mass, c is the specific heat, and ΔT is the temperature change. Obtained by substituting water volume, temperature change, and specific heat.

This reaction enthalpy corresponds to the combustion of propyne.

C₃H₄ + 4O₂⇒3CO₂ +2H₂O

Changes in their enthalpies affect the enthalpies of formation of propyne, carbon dioxide, and water, targeting the enthalpy of propyne.

ΔHrx = 3ΔHf CO₂ + 2ΔHf H₂O - ΔHf C₃H₄

However, the reaction enthalpy must be expressed in kJ per mole of C₃H₄, so divide by the corresponding number of moles in 7.00 g of this compound.

ΔHrx = -339.16 kJ x 1/7.00 g x 40.06 g/1 mol = -1940.9kJ/mol

Then solve for the enthalpy of formation of C₃H₄ as shown below.

ΔHf C₃H₄ = 3ΔHf CO₂ + 2ΔHf H₂O - ΔHrx

So plug in and get (the enthalpies of formation of CO2 and H2O can be found in the NIST database):

ΔHf C₃H₄ = 3ΔHf CO₂ + 2ΔHf H₂O - ΔHrx

ΔHf C₃H₄ = 3(-339.16 kJ) + 2(-241.8 kJ) - (-1940.9 kJ)

ΔHf C₃H₄ = 276.8kJ/moles

Your question is incomplete but most probably your full question was

7.00 of Compound x with molecular formula C3H4 are burned in a constant-pressure calorimeter containing 35.00kg of water at 25c. The temperature of the water is observed to rise by 2.316c. (You may assume all the heat released by the reaction is absorbed by the water, and none by the calorimeter itself.) Calculate the standard heat of formation of Compound x at 25c.

Be sure your answer has a unit symbol, if necessary, and round it to 3 significant digits.

learn more about Standard heat at https://brainly.com/question/13096727

#SPJ4

Answer:

b. Even though the DNA sequence changed, the sequence still codes for the same amino acid, so no change in phenotype will occur.

Explanation:

There is redundancy in the genetic code. That means that different codons can code for the same amino acids, so some mutations do not change the amino acid sequence of the protein.

Here, the amino acid is unchanged with the mutation.

If the amino acid sequence of the protein is the same, then the protein is not changed, so there will be no change in the phenotype

The equation of cellular respiration is; C6H12O6 + 6O2 → 6CO2 + 6H2O.

Cellular respiration is the process by which cells in the body break down organic molecules, such as glucose, to release energy that can be used by the cell to perform various functions.

The process takes place in organelles called mitochondria and involves a series of metabolic reactions that convert glucose and other organic molecules into ATP (adenosine triphosphate), the primary energy currency of the cell.

Learn more about cellular respiration:https://brainly.com/question/29760658

#SPJ1

Answer:

An organism that develops a trait that helps it survive in its environment will have a better chance of reproducing and passing that trait on to the next generation. As a consequence, organisms with this helpful trait will become more prominent while other organisms of the same species die out.

Explanation:

Hope this helps!