What is the difference between casual observers and scientific observers?

Answers

Answer 1
There are different types of observers. Casual observers differ from scientific observer. Seeing and observing are two different things. Not that everybody seeing is actually observing the thing.
A casual observer just sits back and watch for something to happen while a scientific observer comes up with some hypothesis to work on it. 
Answer 2
Observation is a central theme of scientific investigation. Scientists are usually expert observers, who have sharpened their senses when it comes to observing the external world and its phenomenon. The principal difference between a scientist and a casual observer is that the scientist ponder on his observation and analyse it critically to get more insight and information and the observation may lead to a totally new experimental project. While a causal observer will just observe and move on.

Related Questions

Identify the simple organic molecule formed in the leaf and the process that produces it.

Answers

Glucose sugar is the simplest organic molecule formed in the leaves of green plants. Glucose, and other forms of carbohydrates, are formed through the process of photosynthesis, which is the process by which plants use the energy from sunlight to combine carbon dioxide and water. These simple glucose molecules are what the plant feeds on to grow and thrive, although glucose may also be converted to starch for energy storage, or to structural carbohydrates such as cellulose or lignin.

Final answer:

The simple organic molecule formed in the leaves during photosynthesis is glucose, produced through the conversion of sunlight, CO2, and H2O. If an unidentified organic molecule is part of plant cell walls and comprises only C, H, and O, it is likely a complex carbohydrate like cellulose.

Explanation:

The simple organic molecule formed in the leaf through photosynthesis is glucose, a simple sugar. This process occurs in the chlorophyll-containing plastids within the leaf cells, where sunlight, alongside carbon dioxide from the air and water from the soil, is converted into glucose and oxygen.

Photosynthesis: The Leaf's Sugar Factory

A leaf functions like a factory with specialized structures that capture sunlight. This energy is used in the chloroplasts, which convert the raw materials, CO2 and H2O, into the final product: glucose. This sugar is then used by the plant for energy or as a building block for more complex carbohydrates.

Identification of Unknown Organic Molecules

If an unknown organic molecule contains only carbon, hydrogen, and oxygen, and is part of the cell wall structure, it is likely to be a complex carbohydrate, such as cellulose. The cell walls of plants give them structure and support, and cellulose is a major component of these walls. It is a polysaccharide made up of long chains of glucose units.

The fact that the helixes of the dna strand are arranged in opposite directions gives dna its _____ characteristics.

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sorry but it does not show your question. do you think you could post it again?

20 points and brainleist to whoever answers each question.When did stem cell research become known? Who discovered stem cells? What experiments or studies have been conducted so far?

Answers

Hey you! Here's your answer: 

1) Scientists discovered ways to derive embryonic stem cells in 1981, more than 30 years ago. 

2) Canadian Scientists Dr. James Till and Ernest McCulloch, who did pioneering studies in stem cell research, were the first to discover stem cells.

3) Thousands of experiments and studies have already been conducted on stem cells and research.

I Really Hope This Helped You! :)

Answer to what type of arthropod appendage is comprised of a single series of segments attached end-to-end, rather than branching into two?

Answers

 The uniramous type of the appendages of arthropods are comprised of a single series f segments attached end-to-end, rather than branching into two. The other type of arthropod appendages are biramous. The biramous limb branches into two, and each branch consists of a series of segments attached end-to-end.

Appendages of the arthopods can be uniramous or biramous.

Further Explanation:

An arthropod is known to be an invertebrate animal with an exoskeleton, paired jointed appendages, and a segmented body. It forms the phylum called Euarthropoda that involves insects, crustaceans, and arachnids. They are characterized by jointed limbs as well as cuticle which are made up of chitin that is often mineralized with the calcium carbonate. The body plan comprises of segments, each having a pair of appendages. The hard cuticle blocks the growth and so arthropods substitutes it periodically by molting.

Arthropod leg refers to the kind of jointed appendage of the arthropods and it is usually used for the walking purposes. According to the appendages, arthropods can be biramous or uniramous. The uniramous limb consists of one series of segments linked from one end to another whereas, biramous limb branches into two and each of it comprises of the row of segments which are linked end to end.

The external branch or ramus of the appendages found in crustaceans refers to exopod or exopodite whereas the internal one is known as endopodite or endopod. The exopodites are completely absent in the insects while can be seen missing in amphipods and isopods.

Learn more:

Learn more about cell membrane https://brainly.com/question/5923583  Learn more about cell cycle https://brainly.com/question/1600165 Learn more about diffusion https://brainly.com/question/1386629

Answer Details:

Grade: High school

Subject: Biology

Chapter: Organism classification

Keywords:

Appendages, arthropod, biramaous, uniramous, exopod, insects, endopodites, segments, Euarthropoda, moulting, cuticle, chitin.

Which of the following best describes how the cells formed during mitosis compare to the cells formed during meiosis? Mitosis produces four genetically identical cells, while meiosis produces two genetically different cells. Mitosis produces two genetically different cells, while meiosis produces four genetically identical cells. Mitosis produces two genetically identical cells, while meiosis produces four genetically different cells. Mitosis produces four genetically different cells, while meiosis produces two genetically identical cells.

Answers

The third one is correct. Mitosis creates two identical cells. Meiosis creates four different cells.

Answer:

Mitosis produces two genetically identical cells, while meiosis produces four genetically different cells.

Explanation:

Mitosis and Meiosis are both kinds of cellular division that occurs in all living cells, however, they are used for different purposes. Mitosis is a type of cell division that produces two daughter cells that are identical to the parent cell. They are identical in the sense that they contain same alleles of the same genes as the parent cells. It is usually used for growth, repair or REPRODUCTION in asexually-reproducing organisms.

On the other hand, meiosis is a type of cell division that results in four daughter cells with each having a reduced number of chromosomes as the parent cell (by half). It is employed by only sexually reproducing organisms to produce gametes. Meiosis occurs in a two-step division process resulting in 4 daughter cells. Meiosis increases genetic variation among species by producing gametes that are genetically different from the parent cell. This is achieved by a process called CROSSING-OVER, peculiar to meiosis, where chromosome segments are exchanged between homologous chromosomes (non-sister chromatids).

Dehydrated bodies should be injected with a __________ solution; whereas edematous bodies would be injected with a __________ solution. why?

Answers

Dehydrated bodies should be injected with an Intravenous (IV) solution; whereas edematous bodies would be injected with an arterial solution. The reason why dehydrated bodies should be injected with IV fluids is that they will replace those fluids your body lost due to sweating, vomiting, and others. On the other hand, edematous bodies would be injected with an arterial solution because it removes discoloration of the intravascular, prevents distention, and makes additional space for fluid disinfection.

Skeletal muscle is controlled by the organism.

Which best describes what this means in terms of movement?

A) Any muscle attached to the skeleton is voluntary and may be used for movement.

B) Some of the muscle attached to the skeleton is involuntary and may be used for movement.

C) Some of the muscle attached to the skeleton is voluntary and may be used for movement.

D) All of the muscles attached to the skeleton are involuntary and may be used for movement.

Answers

Answer: The correct answer is-

C) Some of the muscle attached to the skeleton is voluntary and may be used for movement.

Skeletal muscle primarily includes voluntary muscles that are generally attached to the skeleton.

Skeletal muscles help in moving body parts and can also contracted involuntarily by certain reflexes.

For instance, we can choose to move our legs, but we may start jumping automatically if our finger gets burn on a gas stove.

In this question, skeletal muscle is controlled by the organism.  This indicates that Some of the muscle attached to the skeleton is voluntary and may be used for movement.

Thus, option C) is the right answer.

Answer:the answer is c

Explanation:

A nurse is caring for a client diagnosed with schizophreniform disorder. the nurse demonstrates understanding of this disorder when identifying that the client is at risk for developing what?

Answers

It's pretty obviously schizophrenia.  Like schizophrenia, schizophreniform disorder is a type of "psychosis" in which a person cannot tell what is real from what is imagined..

when DNA replication occurs before meiosis, the original DNA strand CAG TGT CCG TAG is copied into complementary strand GTC CTA CGG ACA. what type of mutation has occurred

A.)deletion
B.) insertion
C.)inversion
D.) substitution

Answers

The answer is " C)inversion "

The division of the autonomic nervous system that calms the body down after arousal and returns the body to a balanced internal condition is the ______.

Answers

The division of the autonomic nervous system that calms the body down after arousal and returns the body to a balanced internal condition is the parasympathetic nervous system.

In the lock-and-key model of enzyme action, the ___________ fits into the __________ of the enzyme.
a.product; substrate.
b.active site; product.
c.substrate; active site.
d.active site; substrate.

Answers

The answer is letter D. Substrate; Active Site The enzyme itself remains unchanged.  It advise the active place of an enzyme is frequently reshaped by interactions with the substrate until the substrate is completely bound and the chemical reaction occurs, the lock and key model.

wrong, the actual answer is C

The nasal cavity is divided internally by the nasal __________ into right and left sides.

Answers

The nasal cavity is divided internally by the nasal septum.

I hope this helps!
Final answer:

The nasal cavity is divided internally by the nasal septum into right and left sides.

Explanation:

The nasal cavity is divided internally by the nasal septum into right and left sides. The nasal septum is formed anteriorly by a portion of the septal cartilage, the perpendicular plate of the ethmoid bone, and the vomer bones.

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Diffusion of oxygen from an alveolus into a pulmonary capillary belongs to which aspect of respiration?

Answers

Cellular respiration

which organelle aids with the detoxification of the cell as well as makes lipids for cell membrane

Mitochondria

Golgi apparatus

Smooth endoplasmic reticulum

Rough endoplasmic reticulum

Answers

Correct answer: Smooth endoplasmic reticulum


Endoplasic reticulum is a membrane system that form a sac like structure in the cytoplasm of the eukaryotic cell. It is of two type rough endoplasmic reticulum and smooth endoplasmic reticulum


Rough endoplasmic contains ribosomes on their surface that’s why called as rough endoplasmic reticulum.


Smooth endoplasmic reticulum play an important role in lipid synthesis . In liver cells sooth endoplasmic reticulum contains enzymes that detoxify harmful drugs and metabolic by-products.


It play an important role in synthesis and storage of lipid including cholesterol and phospholipids.

The Smooth endoplasmic reticulum

What characteristics do geologists look for when observing a rock?

Answers

It’s color, texture, scratch, and toughness.

Which study led biologists to infer that the ancient archosaur was active during the night? ancestral state reconstruction suggesting that these animals had red fluorescent protein ancestral state reconstruction suggesting that these animals had green fluorescent protein ancestral state reconstruction suggesting that these animals had opsins that were shifted toward the red molecular clock analysis suggesting little evolutionary change from the archosaurs to their nocturnal descendants molecular clock analysis suggesting a great deal of evolutionary change from the archosaurs to their nocturnal descendants?

Answers

The correct option is this: ANCESTRAL STATE RECONSTRUCTION SUGGESTING THAT THESE ANIMALS HAD OPSINS THAT WERE SHIFTED TOWARD THE RED.
Ancestral reconstruction is the extrapolation back in time from measured characteristics of individuals to their common ancestors. Opsins are a group of light sensitive proteins that are located in the photoreceptor cells of the retina of the eyes. Having opsin that were shifted toward the red colour will enable the animal to see very well in the night time, thus, the animal will be active during that period.

Stimulated digestion is to inhibited digestion as the

Answers

The answer is stimulated digestion is to inhibited digestion as the parasympathetic nervous system is to the sympathetic nervous system. Hope this helps.

What part of an amino acid makes it unique from other amino acids?

Answers

The "R" group of an amino acid makes it unique from other amino acids

Final answer:

An amino acid's unique character comes from its side chain or R-group, which varies in size, structure, and properties, defining its polarity, charge, and hydrophilicity, and influencing protein assembly and function.

Explanation:

The part of an amino acid that makes it unique from other amino acids is its side chain or R-group. All amino acids share a common structure, which includes an amino group (NH2), a carboxyl group (COOH), a hydrogen atom, and a central carbon atom. However, the R-group varies between amino acids in size, structure, and properties, such as polarity, charge, and hydrophilicity.

For instance, amino acids like valine, methionine, and alanine have nonpolar, hydrophobic side chains, while others like serine, threonine, and cysteine have polar, hydrophilic side chains. Additionally, amino acids like lysine and arginine have positively charged side chains, which make them basic amino acids. These unique side chains influence how proteins are assembled and function.

What is the name of the process in which glucose is converted to pyruvic acid?

Answers

The process of conversion from glucose to pyruvic acid is known as gluconeogenesis. In this process fatty acids react with acetyl-CoA, also it can construct the amino acid alanine and be converted into ethanol or lactic acid via fermentation.

Contrast the major differences between the organization of dna in viruses and bacteria versus eukaryotes.

Answers

bacteria-loose DNA, No Mitochondria, No Nucluse, have Ribosome,
Eukarotes,Contain microganism 

75% sure

Answer:

    Viruses and bacteria have a very specific way of organizing their own genetic  material inside themselves.

Explanation:

     On viruses, this can vary a little bit, but most of them will have their genetic material not confinated in a nucleus, but so, spread along all of the cytoplasm. This can be because of very different reasons, and the bacteria have the same thing here, they too have their genetic material spread all across their cytoplasm.

     Instead of that, eukaryotes have something that the scientists call the nucleus. This nucleus contains all the DNA a cell needs to produce the proteins for the body, but remember, the protein making process happens inside and out of the nucleus.

which statement describes the formation of a protein molecule

Answers

Amino acids combine to form a protein chain. Hence the correct option is c.

Proteins are macromolecules composed of amino acid monomers linked together through peptide bonds. During the process of protein synthesis, amino acids, which have amino and carboxyl groups, join together through peptide bond formation. This peptide bond is established between the amino group of one amino acid and the carboxyl group of another, resulting in the formation of a protein chain or polypeptide. This sequential linkage of amino acids forms the primary structure of a protein, and the specific sequence of amino acids determines the protein's unique structure and function.

The amino acids are linked together by peptide bonds, forming a linear chain. This primary structure is just the beginning of protein folding and structure formation. As the polypeptide chain emerges from the ribosome, it begins to fold into a three-dimensional shape, driven by interactions between amino acid side chains. The final folded structure, known as the protein's tertiary structure, is critical for its function. Hence the correct option is c.

Complete question:

Which statement describes the formation of a protein molecule?

A. Fatty acid monomers combine to form a protein chain.

B. Amino acids dissolve monomers to form a protein chain.

C. Amino acids combine to form a protein chain.

D. Fatty acid monomers dissolve to form a protein chain.

During exercise, you would expect blood vessels in her skeletal muscle to be ________ and the blood vessels in the digestive organs to be _______.

Answers

dilate, constrict When you exercise, the skeletal muscles are doing a lot of work and need access to a lot of blood to provide oxygen and to carry away metabolic wastes such as carbon dioxide. However, the digestive system is fairly low priority, so restricting the blood flow to the digestive organs makes available more blood to the skeletal muscles. You would also expect during exercise for the blood vessels near the skin to also dilate so make the dissipation of excess heat more efficient since the work being done by the muscles will generate waste heat as well.

In addition to producing orexin, the ________ monitors levels of the body's other appetite hormones.
a.hippocampus
b.amygdala
c.cerebellum
d.hypothalamus

Answers

the answer is d hypothalamus

What characteristic of cardiac muscle causes contraction of the heart as a unit?

Answers

The cardiac muscle has intercalated disk that allows rapid transmission of the impulse. This will allow the cardiac muscle to have a coordinated way. The heart muscle has pacemaker that will spread the signal in regular time. The transmission of impulse is also controlled by a few checkpoint like the bundle of his to make the signal to the Purkinje fiber of left and right ventricle at the same time.

The response of an organism to the duration of light it receives in a day is called:

Answers

The answer is called photoperiodism. Hope this helps.

The enormous complexity of cells supports the theory of.. inetelligent design or evolution

Answers

im gonna say its evolution   im not to sure though
It is my belief that the complexity of cells supports the notion of intelligent design. When Darwin proposed the theory of evolution, their current understanding of a cell was a simple blob or building block of life. It was therefore not outlandish to think that such a building block could in fact have been created by accident in a primordial soup without intelligent forces acting upon it. However, giving the complexity of not only the design but the processes that cells fulfill, for example the Flagellar motor, it is nearly impossible to believe that such a thing could come about by natural processes that we can observe today.

Why is some fat essential for normal functioning?

Answers

Everyone needs some fat to stay warm, store energy for cells, and protect internal organs. Too much and too little fat is not good, as they can cause lots of harm to your overall health. Having a bit of fat in your body can prevent injury and keep your overall health in good shape.
Fat is also good for your brain because your brain is made of fat and your brain controls all your activities

The yellow fever virus replicates in lymph nodes and in other immune system cells. how does it arrive in lymph nodes

Answers

First,  the yellow fever  virus  is  phagocytosed  by white  blood  cells.   The phagocytosed white  blood  cell  then travel  through  the  lymph  vessel. Since  lymph  node  contain  white blood and   filter  lymph,  the  yellow  fever  phagocytosed  with  white  blood  cell  establish  in  the  lymph  node.

The yellow fever virus replicates in lymph nodes and in other immune system cells, the yellow fever pathogens reach the lymph node of humans from bite through mosquitoes.

Explanation:

The yellow fever is a viral disease that occurs for a short time, this disease is spread to the humans from mosquito's. Once it enters the blood stream through the bite of a mosquito it directly enters the blood stream and gets caught in the lymph nodes, these lymph nodes serve as sites for multiplication of these organisms.

Viruses are not considered living organisms because they do not independently grow, metabolize, or reproduce.
a. True
b. False

Answers

The answer is true as they lack the properties a living organism would have
Final answer:

Viruses are not considered living organisms because they do not independently grow, metabolize, or reproduce. - True

Explanation:

Viruses are not considered living organisms because they do not grow, metabolize, or reproduce independently. They are acellular and require a host cell to replicate. Thus these are not considered living organisms because they cannot grow, metabolize, or reproduce independently. Unlike living organisms that have cells and carry out all necessary life functions on their own, viruses are acellular and require a host cell to replicate.

A virus attaches to a host cell, injects its genetic material into the cell, and then uses the host cell's machinery to replicate itself. This makes viruses dependent on other cells and unable to carry out essential life processes independently.

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The muscles that surround external body openings typically have a ________ fascicle arrangement. parallel convergent pennate circular

Answers

Final answer:

The muscles that surround external body openings typically have a circular fascicle arrangement. This allows control over the opening and closing of these body openings.

Explanation:

The muscles that surround external body openings, such as the orbicularis oris of the mouth and the orbicularis oculi of the eye, typically have a circular fascicle arrangement. This arrangement allows these muscles to control the opening and closing of these body openings. The term fascicle relates to the grouping of muscle fibers. In a circular fascicle arrangement, the muscle fibers are positioned in concentric circles and contract to close the opening they surround.

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Final answer:

The muscles surrounding external body openings, like the mouth and eyes, typically have a circular fascicle arrangement, allowing for the control of opening and closing these passages.

Explanation:

The muscles that surround external body openings, such as the mouth and eyes, typically have a circular fascicle arrangement. This pattern, also known as orbicular, allows these muscles to control the opening and closing of these bodily passages. For instance, the orbicularis oris and the orbicularis oculi in our face, control the opening and closing of our mouth and eyes respectively.

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