Example Experiment 2: Homer suddenly notices that the walls of his shower are
covered in a strange green slime. His friend Barney tells him that coconut juice will
get rid of the green slime. Homer decides to test this out by spraying half of the
shower with coconut juice every day. He sprays the other half of the shower with
water. After 3 days of "treatment" there is no change in the amount of green slime
on either side of the shower.
what’s the independent and dependent variable?
2. Independent Variable
3. Dependent Variable

Option A: In the urea cycle, the second nitrogen of urea originates from alanine.

Option A: Phenylketonuria prevents the conversion of phenylalanine to tyrosine.

The aspartate and glutamate breakdown of amino acids provides the first nitrogen for urea in the urea cycle. The second nitrogen in urea, though, comes from alanine. A source of the second nitrogen atom required for the formation of urea, alanine is an amino acid that can be transformed to pyruvate and subsequently enter the urea cycle.

Phenylalanine is a crucial amino acid which needs to be converted into tyrosine. This conversion is brought in by an enzyme called phenylalanine hydroxylase. Lack of this enzyme results in the genetic disorder known as phenylketonuria (PKU). Tyrosine deficiency and phenylalanine accumulation are symptoms of PKU. This imbalance can have detrimental effects on brain development and function if not properly managed through dietary restrictions.

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Complete question:

48. In the urea cycle, the SECOND nitrogen of urea originates form which of the following metabolites? a. alanine c. glutamine b. aspartate d. arginine

49. A person with phenylketonuria cannot convert

A. phenylalanine to tyrosine

B. phenylalanine to isoleucine

C. phenol into ketones

D. phenylalanine to lysine

Answer:

Explanation:

A RCB (red blood cell) present in human beings does not have a cell wall, only plants have cell wall.

Here,

The RCB has,

Cell wall - absent

Nucleus - present

Option B

Answer

I believe its the templlate

Explanation:

i did it

The average respiration rate for cattle is 15-40 breaths per minute. So the correct option is Option A.

We can assess the respiration rate of the cattle by watching it's ribs. Then we gave to count the number of times they move in and out in respiration in 15 seconds and we can get the number by multiplication with 4. The respiratory rate of the cattle  may vary with the ambient temperature and if the cattle is in stressed condition. But the adult cattle's  respiratory rate should be between 26 and 50 breaths per minute.

They have a heart rate of 48 and 84 beats per minute.

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Answer:

I think 6

Explanation:

Answer:

The answer is 12

Explanation:

hope this helps

Vector is best to use in this case is Adenovirus which is about 22,000 bp long and is also important in preventing the macular degeneration.

Adenoviruses most commonly cause respiratory illness. Diseases range from colds to pneumonia to croup to bronchitis. Depending on the type, adenoviruses can cause other illnesses such as gastroenteritis, conjunctivitis, cystitis, and, less commonly, neuropathy. Most adenovirus infections last from a few days to 1-2 weeks. Severe infections last longer and can cause persistent symptoms such as coughing. For example, some adenoviruses can be spread through feces when changing an infected person's diaper .Adenoviruses can also be spread through water or In the swimming pools, but this is very less common.

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The correct answer is E, Dust-like consistency is NOT an adaptation specific to wind-borne fruits or seeds.

Adaptation refers to the process of adjusting to new circumstances or environments in order to survive and thrive. It is a fundamental concept across various disciplines, including biology, psychology, and sociology. In biology, adaptation refers to the evolutionary changes that occur in a population over time, enabling organisms to better suit their environment and increase their chances of survival and reproduction. This can involve physical changes, behavioral modifications, or physiological adjustments.

In psychology, adaptation involves an individual's ability to cope with and adjust to changes in their social, emotional, or physical surroundings. It encompasses the capacity to modify one's thoughts, behaviors, and attitudes to effectively navigate and respond to different situations.

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The wave of chemical reaction and electrical activity transmitted between neurons is called a nerve impulse.

A nerve impulse is an electrical signal that transmits information between neurons, allowing for communication within the nervous system. The transmission of nerve impulses occurs when neurotransmitters release chemicals that bind to receptors on the receiving neuron, causing an electrical signal to be generated and propagated down the length of the neuron. The nerve impulse is essential to the proper functioning of the nervous system, allowing for the transmission of sensory information, the control of movement, and the regulation of bodily functions such as heart rate and breathing.

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As per travel time, Line A will have the fastest travel time and Line B is not moving.

A distance time graph is a graph that shows us the distance traveled as per time. The direction, speed, and distance of the object change with time. In order, to calculate the speed using the formula of

Speed rate (r) = Distance / time

Thus longer distance at a high speed rate will have a shorter time within the same distance.  While Line B appears not to be moving.

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Answer:

Shadows are made by blocking light. Light rays travel from a source in straight lines. If an opaque (solid) object gets in the way, it stops light rays from traveling through it. This results in an area of darkness appearing behind the object. The dark area is called a shadow

Answer:

Shadows are made by blocking light. Light rays travel from a source in straight lines. If an opaque (solid) object gets in the way, it stops light rays from traveling through it. This results in an area of darkness appearing behind the object. The dark area is called a shadow

An example of shadow is a faithful dog that follows behind you all day.

Answer:

The correct answer to the question would be B

Answer:

Large solid food particles are breakdown into small simper food molecules.

Explanation:

Digestion is the process in which large solid food particles are breakdown into small simper food molecules so that they can be absorbed by the body and added to the blood plasma. These simpler molecules are absorbed by the cells to generate energy in the form of ATP. This transformation from solid food particles into simpler molecule through mechanical and chemical digestion. Mechanical digestion starts from the mouth in which the sold big particles are changed into smaller pieces with the help of teeth while on the other hand, the chemical digestion occurs through digestive juices that helps in break down.

Answer:

please give me brainlist and follow

Explanation:

In microscopy, the objective lenses are the optical elements closest to the specimen. The objective lens gathers light from the specimen, which is focused to produce the real image that is seen on the ocular lens. Objective lenses are the most complex part of the microscope due to their multi-element design.

Answer:

The term which describes the mating of organisms that have different homozogous alleles for a single trait is monohybrid cross. The 'mono' refers to the singular trait while 'hybrid' refers to the crossing of two different parents. Monohybrid cross yields off springs that have one dominant and one recessive allele for that particular gene in question.

the atmospere would drift off into space

none needed

Due to the planet's global warming caused by solar radiation, the atmosphere would float away into space. It also maintains the Earth warm whenever the sun is hidden from view at night.

The smallest component of a material that possesses both its chemical and physical characteristics. One or even more atoms make up molecules.

A molecule is the smallest unit of the any material that is composed of one or more elements and is capable of existing alone while maintaining all of the substance's physical and chemical properties. Further atom cell divides within molecules. For example, the symbol for the oxygen atom or molecule are O and O2, respectively.

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Two cell components have the same function but for different chemical components are lysosome and peroxisome.

In all eukaryotic cells, lysosomes and peroxisomes are organelles with a wide range of roles. Hydrolytic enzymes (lysozymes) found in lysosomes break down molecules, whereas peroxisomes have enzymes like catalase that break down hydrogen peroxide (H2O2) into water and oxygen and neutralise toxicity. On the other hand, melanin is a substance that helps to shield the skin from damaging UV rays. On the other hand, excessive melanin in humans can cause hyperpigmentation or skin cancer. Though melanin reduction does not imply their synthesis, new substances have already been found to inhibit tyrosinase in melanogenesis.

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Answer:

both

Explanation:

it a affects the carbon cycle both ways

Answer: The ocean floor, the tectonic plates of the world alter it.

Explanation: hope it helped.

Answer:

the main reason for why desalination is so expensive is that it requires a lot of energy

Option C) Gly vs. Val is the most conservative sequence.

Conservative substitution is when an amino acid is replaced with another amino acid that has properties similar to the original amino acid, such as size, hydrophobicity, charge, etc. Glycine and valine both undergo conservative substitution because they are both aliphatic and lack any acidic or basic side chains.

In the evolution of proteins, the amino acid glycine has been remarkably preserved. Of all the amino acids, glycine has the smallest side chain. In order for polypeptide chains to make sharp turns or to get near to one another, their size is frequently crucial. Glycine is regarded as a conditionally essential amino acid for mammals like humans in order to promote healthy growth. Because newborns and fetuses in birds are unable to synthesize enough glycine to meet their metabolic needs, glycine is a crucial necessity for neonatal and fetal growth.

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The BEST statement describing the difference between ringworm and other zoonotic diseases such as plague or SARS is:

Ringworm is not life-threatening, whereas most others are.

Ringworm is a fungal infection of the skin, hair, or nails that can be transmitted from animals to humans. While it can be uncomfortable and unsightly, it is not generally a serious or life-threatening condition. On the other hand, diseases like plague and SARS are highly contagious and can be deadly if left untreated.

Plague is caused by a bacterium that is typically spread by fleas from infected rodents, while SARS is caused by a virus that can be transmitted from animals to humans, with bats and civet cats being the suspected reservoirs. Both diseases can cause severe respiratory symptoms and can be fatal in some cases.

When a single-character testcross yields offspring that all have the dominant phenotype, it indicates that the parent with the dominant phenotype was homozygous. This is because the offspring inherited a dominant allele from the homozygous parent, resulting in all offspring showing the dominant phenotype. The correct option is A.

If the parent with the dominant phenotype was heterozygous, there would be a 50% chance for each offspring to inherit the dominant allele and show the dominant phenotype, and a 50% chance to inherit the recessive allele and show the recessive phenotype.

Epistasis occurs when the expression of one gene is affected by the expression of another gene, and it is not indicated by a single-character testcross. Codominance occurs when both alleles of a gene are expressed equally in the phenotype, which is also not indicated by a single-character testcross.

It is possible for both parents to be heterozygous and still have offspring that all show the dominant phenotype, but this scenario would not be indicated by a single-character testcross. In summary, when a single-character testcross yields offspring that all have the dominant phenotype, it indicates that the parent with the dominant phenotype was homozygous. Thus, The correct option is A.

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The antagonist is the quadriceps. The quadriceps contract to extend the knee during the contact and recovery phase, while the hamstrings lengthen to allow movement.

Is the hamstring stretch antagonistic or agonistic?

When the knee extends, the hamstrings stretch, as well as the antagonists of this activity. When the knee bends, the hamstrings become the agonist muscle, and the quadriceps now become the antagonist.

The three hamstring muscles are as follows: Biceps femoris, located on the outside of your body. This hamstring's function is to flex your knee, extend your thigh at your hip, and rotate your lower leg from side to side when your knee is bent.

Therefore, In complex movements, muscles that are antagonists to the hamstrings are the quadriceps.

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Carbon dioxide is transported by all the following means except carbonate

Carbon dioxide is transported in the blood by three methods: dissolved gas, bicarbonate ions, and carbaminohemoglobin. The majority of carbon dioxide is transported as bicarbonate ions, which form when CO2 combines with water to form carbonic acid (H2CO3). Carbonic anhydrase (CA) in red blood cells catalyzes this reaction. Carbon dioxide is also transported bound to hemoglobin as carbaminohemoglobin, which accounts for a small portion of carbon dioxide transport. Carbonate is not involved in carbon dioxide transport in the body. Therefore, the correct answer is D.

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The order of amino acids in a protein is determined by the sequence of nucleotides in the DNA located in the nucleus of the cell. This is because the DNA code contains the instructions for synthesizing proteins, and the specific sequence of nucleotides in the DNA determines the sequence of amino acids in the resulting protein.

Option A, "the DNA located in the nucleus of the cell," is therefore the correct answer. The other options, B, C, and D, are not relevant to the order of amino acids in a protein. The amount of ATP available for the cell's use (options B and D) and the specific cell in which the protein is located (option C) do not affect the sequence of amino acids in a protein.

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Maybe a shopping center was built over what was once tree-filled land - this is a secondary succession.

Maybe a park was put in where an empty lot ounces stood - this is a primary succession.

During succession, certain species' colonies expand and their populations grow, while others' populations drop and even perish. It is the methodical advancement of different sorts of organisms entering a region. Primary and secondary succession are the two basic forms of succession.

Primary succession - The process of a community's growth in an area that was formerly inhabited, barren, vacant, and where no early vegetation was discovered is known as primary succession.

Secondary succession - Secondary succession is characterized as the formation of a community in regions that were formerly populated, inhabited, and had primary vegetation but was disrupted or damaged owing to external or internal reasons.

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The articulation site that allows us to rotate our head, e.g. shaking the head "no" is option C: Atlas - axis

The pivot joint between the atlas (C1) and the axis (C2) allows for rotational movements of the head, such as shaking the head "no."

Therefore, The atlas is the topmost vertebra in the cervical spine, and the dens (also called the odontoid process) on the axis serves as a pivot point for the atlas to rotate around. This joint is important for allowing us to move our head in different directions.

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When streaking a throat culture on blood agar, stabbing the agar plate provides detection for Streptolysin O. The stabbing method is also called the puncture method, and it helps in determining Streptococcus pyogenes' hemolytic activity.

Streptococcus pyogenes produces two hemolytic toxins, streptolysin O (SLO) and streptolysin S (SLS). These toxins are necessary for establishing an infection.

The throat culture on blood agar plate is used to diagnose a throat infection. The process of inoculation involves streaking and stabbing.

Streaking is performed by moving the swab back and forth over the surface of the agar. It helps in identifying the colonies that have formed on the agar's surface.

On the other hand, stabbing is done by inserting the swab into the agar medium and then withdrawing it. It is useful for detecting the presence of hemolytic toxins.

In case of streptococcal infection, the throat culture is used to detect SLO activity. SLO causes beta-hemolysis, which is visible as a clear zone around the colonies.

By stabbing the agar plate, the SLO remains within the colony, resulting in no hemolysis around the colony. However, if the colonies are streaked on the surface, SLO diffuses out of the colony, causing beta-hemolysis.

Therefore, by stabbing the agar plate, it helps in detecting SLO activity.

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Answer:

Bacteria that lack a cell wall are

pleomorphic

planctomycetes

chlamydiae

mycoplasma

they have sterols in their membranes to help stabilize them

Explanation:

idek if this is gonna help but i tried