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Nerve cells are referred to as amitotic because they lack centriole, which prevents them from undergoing mitosis and dividing to create new cells. Due to the incapacity of nerve cells to repair or regenerate, injuries to the nervous system can permanently harm or cripple a person.

The brain, spinal cord, and a sophisticated nerve network are all parts of the nervous system. The brain and the body are communicated with via this system. All bodily functions are managed by the brain. From the brain, the spinal cord descends via the back.

The nervous system performs the following four primary tasks:

controlling the body's environment internally to maintain "homeostasis" The control of body temperature is one example of this.

reflexes in the spinal cord are programmed. The stretch reflex is one illustration of this.

learning and memory.

movement control that is voluntary.

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The daily amount (mg) of active ingredient that reaches her systemic circulation is prescribed with is 36%.

A circulatory system has been defined as the system in the body that has been consists of the heart, blood vessels, arteries, veins and blood that all the combined together to the supply blood to all parts of body and takes up waste material from it.

Circulatory system have four major components and these are the heart, veins, arteries, and blood. These are the four components that combined and form cardiovascular system.

Therefore, The daily amount (mg) of active ingredient that reaches her systemic circulation is prescribed with is 36%.

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(a) The probability that they will have a cub with black fur and brown eyes is 25%

(b) The probability they will have a cub with while fur and blue eyes is 25%

(c) The phenotypic ratio is = 1:1:1:1

(d) The genotypic ratio is= 1:1:1:1

male      : Ffbb  (black fur, blue eyes)

female    : ffBb   ( white fur brown eyes)

male gametes : Fb and fb

female gametes : fB and fb

male/

female     Fb              fb

fB           FfBb            ffBb

fb            Ffbb            ffbb

FfBb          black fur brown eyes

ffBb          white fur brown eyes

Ffbb         black fur blue eyes

ffbb          white fur  blue eyes

Phenotype is defined as  observable characteristics or characteristics of an organism that are the result of the interaction of genes and environmental factors. These characteristics include physical appearance and  other characteristics that we perceive.

The phenotype of an organism includes its physiological, biochemical and behavioural characteristics. Unlike genotype, which is inherited from  parents,  phenotype is influenced by lifestyle and environmental factors. Environmental factors include temperature, nutrition, humidity and the mental health of the body.

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The theory that explains why people tend to made adjustments in their beliefs and attitudes to maintain consistency with their experiences and actions is Cognitive dissonance.

Cognitive dissonance theory postulates that an underlying psychological tension is created when an individual's behavior is inconsistent with his or her thoughts and beliefs. The underlying tension then motivates an individual to make an attitude change that would produce consistency between thoughts and behaviors.

Cognitive dissonance theory is very important and needful for understanding the impact of role-playing on attitude change.

What is the theory of cognitive dissonance based on?

Image result for which theory can explain why people tend to make adjustments in their beliefs and attitudes to maintain consistency with their experiences and actions

The theory of Cognitive dissonance was proposed by Leon Festinger and was centered on how people try to reach internal consistency

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The valency of an element is the characteristic that governs how many other atoms can combine with its atoms.

a. Magnesium - 2

b. Antimony - 5  

c. Chlorine - 1

An element's valency is its capacity for combination. The valency of elements in the same group of the periodic table is the same. The valency of an element is related to how many electrons are in the outer shell.

If the number of electrons in the outer shell is four or less, the valency of the atom is equal to that number.

If not, the valency is equal to eight minus the number of outer shell electrons. Calculating the valency is simple once you know how many valence electrons there are.

The valency of an element exists the characteristic that governs how many other atoms can combine with its atoms.

a. Magnesium - 2

b. Antimony - 5  

c. Chlorine - 1

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The skeletal system, the circulatory system, the neurological system, the muscular system, and the epithelial system are the ones that are affected by this problem.

Amputation is a surgical process in which a living person's limb is amputated. Additionally, prosthetics have been created throughout history to replace these components. To improve the quality of life for those who have had amputations, medical and bioengineering studies have dug into various elements of the body.

Circulatory system: Veins oxygenate all tissues and organs. To prevent a painful death after an amputation, the veins must be clipped and changed. To avoid dying portions, blood must flow properly.

Bones: without them, the body would be shapeless. Amputations require cutting and adapting bones to support a prosthesis.

Nervous system: All human nerves have stimuli receptors. After an amputation, nerves must be adjusted to prevent pain and discomfort from prostheses.

Muscular system: Muscles and bones allow movement. After an amputation, muscles must be changed to maximize movement and morphology for prosthetics.

Epithelial system: Skin covers the body. Therefore, after an amputation, the patient's skin must be operated on to sculpt a stump to avoid lumps, pain, and other skin issues.

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Answer:

Lovejoy (1936) identified three basic intellectual components of the Great Chain of Being, which he called the principles of Plenitude, Continuity, and Gradation.

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Because due to their evolution in settings with low oxygen levels, some species cannot conduct aerobic respiration in the oxygen-rich environment.

Species- A species is a group of organisms made up of similar individuals that are capable of crossbreeding or gene exchange. The most fundamental unit of classification in biology is the species, which also serves as a taxonomic rank. A genus is the following taxonomic rank in the biological categorization hierarchy.

Aerobic Respiration- All cellular activities are powered by energy produced by aerobic respiration. The processes result in the production of ATP, which is subsequently utilized to power additional life-sustaining processes like growth, repair, & maintenance.

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Answer:

Being Passive in the Kidney. Firstly, small soluable molecules can passively diffuse into the liquid in Bowman's Capsule from the Glomerulus. These molecules are usually molecules of glucose, urea, salts and water and diffuse from the capillaries into the solution of plasma without the use of energy.

Explanation:

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If 30% of the nucleotides in a single-stranded RNA molecule are adenine, then what percent are expected to be thymine (C) 30%

Adenine is a basic nucleotide that combines with uracil in RNA and thymine in DNA to produce nucleotides. Adenine; Adenine has a number of roles in biochemistry, including supporting cellular respiration through the production of ATP, NAD, and FAD. Additionally, DNA and RNA's chemical components are used in the creation of proteins.

One of the two purine nucleobases—the other being guanine—used to create the nucleotides of the nucleic acids is adenine. Adenine and thymine form two hydrogen bonds in DNA to help stabilise the nucleic acid structures. Adenine interacts to uracil in the RNA that is needed to create proteins.

Carbon, hydrogen, and nitrogen are the elements that make up the nitrogenous base adenine.

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In order to describe the object based on physical properties that one can determine with the senses, I will describe the weight, taste, mass, and color of the object.

The physical properties of a substance are those properties that can be observed without changing the chemical nature or properties of the substance.

Physical properties can easily be observed with the senses such as taste, sight, sound, texture, or feel.

Some physical properties of a substance include:

Therefore, physical properties are determined by the senses.

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The correct option is D. Skull, vertebrae and ribcage. The axial skeleton comprises the central axis of the skeleton, thus the limbs are not inlcuded in it, they belong to the appendicualr skeleton.

The correct answer is A. climate change. Climate change is a direct consequence of greenhouse gas release by human activities.

Answer:

So, the correct answer is '-5 bars'.

the correct opcion is B. Secondary succession

The processes of the alterations in chromosomal organisation that take place as a cell enters mitosis.

The correct order is:

1. Chromatin is created by the regular wrapping of DNA around histones.

2. The DNA is compacted by interactions between histone component components.

3. The DNA becomes supercoiled as the chromosome coils ever-tighter.

4. Chromosomes that have been duplicated and compressed attach at a point known as the centromere.

What transpires to DNA throughout mitosis?

Therefore, during mitosis, cells don't simply randomly split their DNA into two heaps for the two daughter cells. Instead, they divided up their duplicate chromosomes in a methodical order. Prophase, Metaphase, Anaphase, and Telophase are the four basic phases of mitosis.

In what way do chromosomes separate during mitosis?

A mitotic spindle, a specialised structure made of microtubules, is responsible for separating the chromosomes. The cell's cytoplasm divides during this phase. It starts as soon as mitosis is complete.

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Which of the following refers to a classical conditioning method that exposes an individual to a harmless stimulus until fear responses to that stimulus are extinguished? A. Flooding B. Systematic desensitization C. Counterconditioning D. Spontaneous recovery

Flooding refers to a classical conditioning method that exposes an individual to a harmless stimulus until fear responses to that stimulus are extinguished.

Answer:

Systematic desensitization gradually exposes a person to a feared object.

Explanation:

Answer:

A they create cyclones as a part of the Coriolis effect

Muscles and bones are connected by fibrous connective tissue called tendons. Bones are joined together by fibrous connective tissue called ligaments.

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Answer:

propose way ...

Explanation:

The correct answer is B. I, III, IV. Animal cells do not have cell wall in any of their cell types. In contrast, all plants, fungi and several eubacteria have a cell wall, which does not share composition, nor structure, but shares function, protection.

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Sex determination.

Separate sex determining i.e. male and female.

In sex determination, male and female differs only through sex chromosomes i.e. x and y chromosome. x chromosome for male and y chromosome for female. Autosomes(non - reproductive cells) does not involve in sex determination. Only the sex chromosomes involve in sex determination. Overall, only this chromosomes ( x and y) decides whether the resultant baby is male or female. If it is x chromosome, then it is a female and if y chromosome, then it is a male.

Answer:

Solution

Type of organisms based on cell number:

Based on cell numbers, organisms are grouped under two categories:

Unicellular organisms - organisms having a single cell.

Multicellular organisms - organisms having more than one cell or group of cells.

Unicellular organisms:

In several organisms, a single cell is capable of performing all the cell functions that are vital for its survival.

In such organisms, no division of labour is present.

There is no tissue or organ formation.

Examples - Amoeba, yeast, Chlamydomonas, etc.

Answer:

Option B) Lowering

Explanation:

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The exercise tells us that 20 babies have been born in a maternity ward, and 10 of them have brown eyes, while the other 10, have blue eyes. The questions below are related to the dominant eye color, how we know it, and what it means in terms of inheritance. To this, we can answer that the dominant eye color is the brown one and that we know this due to the dominant alleles are represented with a capital letter, in this case, B, being b (for blue color) the recessive allele. In terms of inheritance, this means that if a parent with brown eyes (being BB, or Bb their genotype, but if we have that they have babies being they blue-eyed, then the genotype would be Bb), has babies with a parent that have blue eyes (being bb their genotype), the babies would have both phenotypes, as we can see in the following Punnet Square.

The ion that is able to serve as an alternative for the hydroxyl ion is the carbonate ion. Option B

The bone is a structure that could be found in some animals. The main function of the bone is that the bone does provide support for the organism. There are about two hundred and six bones in the human body and most of them does provide support and rigidity to the human body.

The compound hydroxyapatite is found in the bone and it contains the hydroxyl ions, phosphate ions and the calcium ions which is the main ion that have been associated with the rigidity of the bone.

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The three factors that must have contributed to their erroneous results obtained from Jonathan and Molly is the presence of contaminants, use of unwashed test tubes and expired laboratory reagents.

A nutritional label is defined as the description found on the packages of food products which gives the consumer an insight of the nutritional value of the package food content.

The various contents of the food are being classified under the following nutrients with their exact caloric quantity:

The presence of protein in a food product can be tested using the Biuret reagent while the presence of fat can be tested with the use of ethanol.

If after the procedure the test turns out positive for fat and protein but should be negative, the following factors may have contributed to the error in the experiment:

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The two positive relationships humans have with microbes are;

The two negative relationships humans have with microbes are;

Some advantages of the positive relationships humans have with microbes are;

Some advantages of the negative relationships humans have with microbes are;

Microbes are small living organisms found in our environment that cannot be seen with the unaided eye except with the aid of microscopes.

Some examples of microbes in our environment are:

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Answer:  The correct answer (the statement that does NOT apply) is A. Mesosarurus swam from one continent to the other in breeding pairs.

Explanation:

The remains of Mesosaurus (a freshwater crocodile-like reptile living between 286 and 258 million years ago) have been found in Southern Africa and Eastern South America. Scientists have proven that Mesosaurus was not capable of swimming between the continents, so the presence of their fossils on two continents has proven the theory of continental drift. There is additional evidence that supports continental drift, where the two continents were connected.

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The building of the Dismal Swamp Canal impacted North Carolina because it speed up the travel of goods from Eastern North Carolina to Virginia.

The Dismal Swamp Canal was dug by hired enslaved labor that is opened for navigation in 1805 after completing the work under unfavorable conditions. The Dismal Swamp Canal length is 22 miles which provide trade between Virginia and North Carolina. In 1929, the Government of the United States of America bought the Dismal Swamp Canal and started to improve its structure and capacity. This canal is also called the oldest operating waterway in the country. It is also part of the Atlantic Intracoastal Waterway. So we can say that this Dismal Swamp Canal increases the speed of trade activities between the two regions.

So we can conclude that option B is the right answer.

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