Humans have three types of cone cells in their eyes, which are responsible for color vision. Each type absorbs a certain part of the visible spectrum. Suppose a particular cone cell absorbs light with a wavelength of 426.nm. Calculate the frequency of this light.

Answer:

F

Explanation:

Some people have labeled the LHC a failure because even though it confirmed the Standard Model's vision for how particles get their masses, it did not offer any concrete hint of any further new particles besides the Higgs.

Answer:

Pepsin is the main gastric enzyme. It is only produced by the stomach cells which people call 'chief cells' in its inactive form pepsinogen, which is a zymogen. Pepsinogen is then activated by the stomach acid and into its active form which is known as pepsin.

The types of hormones in the human stomah is Gastrin and cholecystokinin.

Answer:

In biological system, cell is known as the basic unit of all organisms. Unicellular organism consist of one cell only but that single cell helps them to perform all the functional activity.

Levels of organization in biological systems is defined as the hierarchy of several components from smallest to complex in biological system.  

Cell is one of the important part of Levels of organization in biological systems, as in multicellular organisms group of cells form tissue that create an organ and many organs together form organ system within an organism. The cell is basic unit in all organisms and without a cell, an organism can not develop.

The group of these organism formed from a small cell then form complex component of Levels of organization such as population, community, ecosystem and Biosphere (in sequential order).

respiration

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Since the given organisms prepare their own food, hence none of the organisms mentioned are heterotrophs. Thus, the correct answer is Option D.

Heterotrophs are organisms that depend on other species (plants and animals) for food since they are unable to prepare it for themselves. They are dependent on these producers for food, either directly or indirectly.  

The rose and the pine tree, two of the choices given, are both autotrophs since plants can make their own food through photosynthesis. On the other hand, the deep-sea tubeworm is a chemoautotroph, meaning it gets its energy from inorganic substances in its surroundings.

Therefore, the correct answer is Option D.

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Answer:

"Endocytosis" is a type of active transport that moves particles, such as large molecules, parts of cells, and even whole cells, into a cell.

Explanation:

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Multiple allelic inheritance in humans refers to a situation where a gene has more than two allelic forms. It implies that more than two alleles determine the trait expression, thus resulting in many possible phenotypic outcomes. There are different examples of multiple allelic inheritance in humans, such as ABO blood group inheritance.

The ABO blood group is one of the classic examples of multiple allelic inheritance in humans. The inheritance of blood groups involves three alleles: A, B, and O, where A and B are codominant and O is recessive. The gene responsible for blood group is located on the chromosome 9, and it determines the presence or absence of antigens on the surface of red blood cells.

A person can either be blood group A, B, AB, or O, depending on the combination of alleles inherited from their parents. For instance, a person who inherits the A allele from one parent and the B allele from the other will have the AB blood group.

Another person who inherits the O allele from both parents will have blood group O. Similarly, someone who inherits A allele from both parents will have blood group A, and the same applies to those who inherit the B allele from both parents.

Therefore, in conclusion, the ABO blood group is a classic example of multiple allelic inheritance in humans. It is a type of inheritance where a gene has more than two allelic forms, and it results in many possible phenotypic outcomes.

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The 40S subunit finds the translation start site using the energy of **GTP** hydrolysis. This process is facilitated by **initiation factors**.

GTP hydrolysis provides the necessary energy for the 40S ribosomal subunit to locate the translation start site on the mRNA. Initiation factors play a crucial role in this process by assisting the 40S subunit in binding to the mRNA and recognizing the start codon. Once the start codon is identified, translation can proceed with the addition of amino acids to the growing polypeptide chain. In summary, GTP hydrolysis and initiation factors work together to ensure accurate and efficient translation initiation.

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The main difference between correlation and causation from the task above simply is:

Correlation describes two things that happen at the same time while causation describes a situation where one thing causes another thing.

The correct answer choice is option a.

Causation can simply be defined as that thing which causes another thing to happen or occur. That being said, we also likened what causation here is to the causative agent or organisms which causes the diseases in plants and animals.

However, with respect to causative organisms, we are talking about those pathogenic microorganisms which causes health condition in living organisms. In order words, causation is the happening which leads to or results to another happening or even which could be favourable or unfavorable, positive or negative, and so on and so forth.

In conclusion, we can now confirm from the explanation given above that causation could also be refers to as a condition which makes another condition to happen or to come into existence.

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The attributes that would allow a cell to be larger are ; options ( A and B )

The size of a cell depends mostly on the surface area to volume ratio of the cell and the smaller a cell the more efficient the cell would be . while

The surface area of a cell is dependent on the shape of the cell and not the branching of the cells because the surface area of a cell can only be calculated using the shape of the cell.

Hence we can conclude that the attributes that would allow a cell to be larger are ; perfectly round and perfectly cube-shaped.

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Miller and Urey experiment tried to recreate the primitive atmospheric conditions earth had when it was completely abiotic (deovid of any form of life). Their results, showed that with the putative composition of inorganic compounds, plus a source of energy (like lighting) the emergence of organic compounds was likely. With this result, it was suggested that after millions of years of interacting organic molecules (olds and new ones) lipids and proteins would eventually arise. This experiment is not perfect, and has many assumptions (potentially drawbacks), but showed that organic compounds (the chemical basis of life) could emerge from quite simple components.

Answer: This is called natural selection.

Explanation:

the concentration in pmol/ml of high molecular weight DNA with a concentration of 412.5ug/ml given the length of the DNA at 7250 nt is 0.17 pmol/ml.

The answer to the question is 0.17 pmol/ml. The molecular weight of DNA is determined based on the number of nucleotides in it. So, first, we need to calculate the molecular weight of the DNA molecule given in the problem to determine the concentration of high molecular weight DNA. One mole of a substance is defined as the number of particles equal to Avogadro's number (6.02 x 1023). Therefore, we need to convert the weight of the DNA given to moles and then determine the number of moles per unit volume.
To get the molecular weight of the given DNA molecule, we have to use the formula:
Molecular weight = length of DNA * 650 g/mol (per nucleotide)
Molecular weight = 7250 nt * 650 g/mol
Molecular weight = 4,712,500 g/mol
Now, we need to convert the concentration of DNA from ug/ml to g/ml.
Given, Concentration = 412.5 ug/ml
Concentration in g/ml = (412.5 ug/ml) / (1,000,000 ug/g)
Concentration in g/ml = 0.0004125 g/ml
We can now calculate the number of moles per ml of the DNA solution as follows:
Number of moles/ml = Concentration (g/ml) / Molecular weight (g/mol)
Number of moles/ml = 0.0004125 g/ml / 4,712,500 g/mol
Number of moles/ml = 8.75 x 10^-11 moles/ml
Since we are looking for the concentration in pmol/ml, we need to convert the answer to pmol/ml.
Number of pmol/ml = (8.75 x 10^-11 moles/ml) / (10^-12 pmol/mole)
Number of pmol/ml = 0.875 pmol/ml
Therefore, the concentration in pmol/ml of high molecular weight DNA with a concentration of 412.5ug/ml given the length of the DNA at 7250 nt is 0.17 pmol/ml.

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The most serious drawback to using library screening to study genetics is that it can result in the identification of gene fragments that are not in the correct orientation or order.

Library screening is a procedure that allows researchers to isolate clones that express a specific protein or contain a specific gene. A genomic library or a cDNA library may be used for this technique.

The other disadvantages of library screening are given below: Library screening, when compared to PCR, is a relatively time-consuming and labour-intensive process. Library screening's capacity to recover a specific gene is highly dependent on the library's quality, complexity, and redundancy. A library may lack certain sequences that are required to discover the gene of interest.

There may be errors or ambiguities in the data collected by the researchers. In a library, the sequences discovered may not necessarily be the most significant for research purposes.

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Answer:

Reforestation offers one of the best ways to remove carbon dioxide from the atmosphere, turning it into solid carbon through photosynthesis and storing it in tree trunks, branches, roots, and soil.

The countries that have the most forest-ready land are: Russia, Canada, Brazil, Australia, United States and China. The four major strategies are: Increase the amount of forested land through reforestation. Increase density of existing forests at a stand and landscape scale.

We estimate that reforestation since 2000 is on pace to remove 103 billion tons of carbon dioxide from the atmosphere between 2020-2050. Increasing the pace of tropical reforestation would remove substantial amounts of additional carbon dioxide at low cost.

I hope this is correct, and it helps.

Answer:

0.013g/cm^3

Explanation:

You can always find the density by dividing the mass be the volume!

Density = Mass ÷ Volume!

Option 4 is correct - your kidney controls the water level through nephron tubes whenever you have low amounts of water that have been detected in your blood.

Because of drinking less water in a day, we experienced faintness and weak which led to the condition of dehydration. In this situation, saving a single drop of water becomes crucial for our body to survive.

Therefore, Option 4 is correct.

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Answer:

Codominance means that neither allele can mask the expression of the other allele, in humans the eye colors of both alleles would be mixed. Like a brown-black. Incomplete dominance is if a parent had blue eyes and the child has brown eyes.

Explanation:

We can see here that Cook County, Georgia, will be affected in the future if the trend continues and aquifers are eventually depleted in the following way: C. Farmers would have less or no water for irrigation

A trend refers to a general direction or pattern of change in a particular field, domain, or society over a period of time. It represents the prevailing tendency or inclination towards a certain style, behavior, concept, or phenomenon that gains popularity or widespread acceptance.

Trends can emerge in various areas, including fashion, technology, culture, business, social media, entertainment, and more.

The graph shows that the water level in the aquifer is decreasing over time. This means that there will be less water available for irrigation in the future.

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The complete question is:

Based on the graph, how would Cook County, Georgia, affected in the future if the trend continues and aquifers are eventually depleted?

USGS well 18H016, Cook County, Georgia

160

165

170

175

180-

185

1967

1974

1981

Year

1988

1995

2002

A. Land may rise because the weight of the water no longer compacts it.

B. It would become easier to cultivate crops.

C. Farmers would have less or no water for irrigation

D. Vegetation fed by groundwater would flourish.

During the citric acid cycle, both NAD and FAD lose a hydrogen atom and become oxidized. So, the option A is correct.

The citric acid cycle, also known as the Krebs cycle or tricarboxylic acid (TCA) cycle, is a series of chemical reactions that occur in the mitochondria of cells. During this cycle, acetyl-CoA is broken down into carbon dioxide and energy in the form of ATP. The cycle also involves the transfer of electrons to electron carriers, including NAD and FAD. In the citric acid cycle, NAD and FAD act as electron acceptors, becoming reduced as they accept electrons. However, they also lose a hydrogen atom, which means they are being oxidized at the same time. Hence A is correct.

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Answer:

A. 25 weeks

Explanation:

It's the shortest amount of time.

Hope this helps! :)

Answer:

25 weeks

Explanation:

25 minutes would probably be a short term goal. If it takes someone only 25 minutes to do, that would be a pretty short and easy goal. It COULD be 25 weeks.

Answer: it must go through a period known as interphase.

Explanation:

Before a cell can enter the active phases of mitosis, however, it must go through a period known as interphase, during which it grows and produces the various proteins necessary for division.

Answer:

The proclivity of biological organisms or components to have distinct anterior and posterior (or highest and lowermost) ends, as well as to grow or orientate in a specific direction.

Answer:   If the rough ER lost all of its ribosomes, the cells wouldn't be able to produce any protein.

Explanation:    

A single cell can contain around 10 million ribosomes. Without these ribosomes, cells would not be able to produce protein and would not be able to function properly. The cell would no longer be able to send proteins to the Golgi.

Type of filament is more permanent than other filaments and can maintain the cell structure even after the cell dies is  Intermediate filaments

The intermediate filaments are a permanent part of the cytoskeleton and help provide structure for the cell. They are also essential in anchoring the cell to other cells, called cell cohesion, and to the extracellular matrix.

Intermediate filaments are more permanent fixtures of the cytoskeleton than are the other two classes. They reinforce cell shape and fix organelle location.Intermediate filaments have a diameter of about 10 nm, which is intermediate between the diameters of the two other principal elements of the cytoskeleton, actin filaments (about 7 nm) and microtubules (about 25 nm). In contrast to actin filaments and microtubules, the intermediate filaments are not directly involved in cell movements. Instead, they appear to play basically a structural role by providing mechanical strength to cells and tissues.

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Answer:

The protein is too large to simply diffuse across the phospholipid bilayer of the cell, so it uses phagocytosis to diffuse across, where it is contained in a vesicle and pinched into the cell? Credits to yahoo answer. Hope I could help sweets.

Cell membranes acts as a barrier for the large,charged and polar molecules due to their hydrophobic nature.

These molecules are transported with the help of membrane proteins such as carrier proteins across the plasma membrane by a process known as facilitated diffusion. These membrane proteins diffuse larger molecules across the cell membrane that cannot be transported by simple diffusion.

The buccinator muscle and superior pharyngeal constrictor muscle are attached to each other at the posterior pharyngeal wall. Together, these muscles work to aid in the process of swallowing.

The buccinator and superior pharyngeal constrictor muscles are not directly attached to each other, as they serve different functions and are located in different areas of the head and neck.

The buccinator muscle is found in the cheek and is a part of the facial muscles. It helps in moving food during chewing and assists in the act of blowing.
The buccinator muscle is a thin, flat muscle located in the cheek, while the superior pharyngeal constrictor muscle is one of the three pharyngeal muscles located in the pharynx.
The superior pharyngeal constrictor muscle is a pharyngeal muscle located in the neck. Its primary function is to help in the swallowing process by constricting the pharynx.

Although they are not directly attached, both muscles work together to facilitate the process of chewing and swallowing food.

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Duchenne muscular dystrophy come up short on dystrophin protein, which is a fundamental protein for muscle strength and advancement. This quality treatment item prompts creation of an abbreviated type of the dystrophin.

Quality treatment for Duchenne muscular dystrophy utilizes chosen segments of the dystrophin quality to make a more modest, possibly practical variant.

Common symptoms of Duchenne muscular dystrophy include muscle weakness that gets worse over time: Atrophy, or loss of muscle bulk, that begins in your child's legs and pelvis, is progressive muscle weakness. Their arms, neck, and other parts of their body experience it less frequently.

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The red nucleus is not a nuclei of the thalamus.

What is the thalamus?

Thalamus is a part of the brain that occupies most of the diencephalon. It is an egg-shaped, paired mass. It has many nuclei, each of which has a different role. The roles include relaying information to regulating alertness and consciousness.

The anatomical core of the brain, dorsal part of the diencephalon is where the thalamus is located. Adjacent to the hypothalamus, the thalamus is situated deep in the brain in the cerebral cortex.

Each side of the thalamus has more than 20 nuclei, which also consists of the gray matter. The nuclei are, at times, referred to as thalamic bodies. They are present in groups that are distinguished by layers of white matter that is called laminae.

The thalamus has three groups of nuclei:

So, therefore, the red nucleus is not a nucleus of the thalamus.

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Answer:

yes it is epidermis

Explanation: