In 1828 friedrich wohler synthesised an organic molecule. this falsified the theory of vitalism. which organic molecule did he synthesise?

Because they are not formed of cells, viruses cannot maintain a steady state, develop, or generate their own energy. Viruses are more like robots than actual living things, even though they do multiply and adapt to their surroundings.

The ability to replicate and mutate are two aspects of life that viruses possess, but only in live host cells.

Viruses and bacteria differ greatly from one another. While viruses may grow in both living and nonliving environments, bacteria are found in nature. While viruses might perish without a host, bacteria can live without one. Viruses reproduce by lytic fission, whereas bacteria reproduce through binary fission.

Although they are minuscule as well, viruses are distinct from other microbes.

Viruses are intracellular creatures (they infect the host cell), whereas bacteria are intercellular organisms (they exist in between cells).

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When the simple squamous lines the cardiovascular and lymphatic system, it is called endothelium.

While epithelial cells line outer surfaces, endothelial cells line inner surfaces. Simple squamous endothelial are flat cells that line the inner surfaces of the heart, blood vessels and lymphatic system. They are continuous and form a barrier between the circulating blood or lymph and the walls of the vessels.

There are two types of endothelial cells - Vascular endothelial cells and Lymphatic endothelial cells. The vascular endothelial cells are constantly in contact with blood and line the inner surfaces of blood vessels, from the heart all the way to the tiniest capillary. Lymphatic endothelial cells can be found in the lymphatic system.

In the glomerulus of the kidney, endothelial cells are responsible for fluid filtration. They also help in blood clotting and formation of new blood vessels.

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Ardipithecus was the first species in which bipedalism first arrived  and they lived in open savanna environment.

What is the evolution of bipedalism?

Bipedalism is the ability to stand and walk completely on two feet. The bipedal gait evolved 4 million years ago and is characteristic of modern humans. Efficient locomotion and empty and free hands are the main advantages of bipedalism.

Ardipithecus, the earliest known genus of the zoological family Hominidae (the group that includes humans and excludes the great apes) and the probable ancestor of Australopithecus, a closely related group often thought to be the ancestors of modern humans. Ardipithecus lived 5.8 to 4.4 million years ago, from the late Miocene. These were the first ones to develop bipedalism while continuing living in the open savannas.

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The initial carbon-14 would be left in an organic sample 74.1% .

Half-life, in radioactivity, the interval of time required for one-half of the atomic nuclei of a radioactive sample to decay (change spontaneously into other nuclear species by emitting particles and energy), or, equivalently, the time interval required for the number of disintegration per second of a radioactive material to decrease by one-half.

Now,

If the half-life of 4Cis 5700years, then that means after 5700years have happened, there will be half of the original amount, i.e. 50%of the original amount of 14Cleft.

So, after 2476years, the sample of 14Chas evolved:

2476/5700≈43.4%of a half-life.

A rule to remember is that if nis the number of half-lives elapsed, there will be 100/2n%of the original amount of substance remaining.

So here, n=43.4%=0.434. Therefore, there will be100/2^0.434

≈100/1.35

≈74.1% of the original amount remaining.

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Answer:nikhi

Explanation:

Answer:

In a negative feedback loop, the sensor, the integrating center, and the effector are always found in different areas of the body is false.

Explanation:

Feedback is a method where one element controls another by either positive or negatively feedback. Positive feedback is a method in which an activity's results drive more of the same action to take place inside a feedback loop. It makes the first action stronger. Negative feedback, on the other hand, occurs when the outcomes of an activity prevent that action from happening again. These systems are present in a wide variety of biological systems. Sugar is converted into cells by insulin, which causes a decrease in blood sugar levels. The insulin secretion will stop resulting into low blood sugar levels. The insulin reaction is negative feedback. Thus, the feedback usually helps to keep the system stable. This might be termed as equilibrium  homeostasis in biology.

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In this stage of mitosis chromosomes are split at the centromere and pulled to opposite ends of the cells is known as anaphase.

Metaphase leads to anaphase, during which each chromosome's sister chromatids separate and move to opposite poles of the cell. Enzymatic breakdown of cohesin — which linked the sister chromatids together during prophase — causes this separation to occur. Upon separation, every chromatid becomes an independent chromosome. Meanwhile, changes in microtubule length provide the mechanism for chromosome movement. More specifically, in the first part of anaphase — sometimes called anaphase A — the kinetochore microtubules shorten and draw the chromosomes toward the spindle poles. Then, in the second part of anaphase — sometimes called anaphase B — the astral microtubules that are anchored to the cell membrane pull the poles further apart and the inter polar microtubules slide past each other, exerting additional pull on the chromosomes.

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Answer:The electronegativity difference between F-Cl is 3.98 - 3.16 is 0.82. Therefore, in the F-I bond, the electronegativity difference is greatest.

Explanation:

In a diatomic molecule with two identical atoms, there is no difference in electronegativity, so the bond is nonpolar or pure covalent. When the electronegativity difference is very large, as is the case between metals and nonmetals, the bonding is characterized as ionic.Cesium fluoride has both the most electronegative atom and the least electronegative atom. Therefore, it must have the greatest difference in electronegativity between its atoms.

Answer:

Milder winter temperatures in Florida

Explanation:

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Alcohol and carboxylic acids are two functional groups that combine to form methyl benzoate.

For the making of benzoate ester, alcohol and carboxylic acid are two functional groups of methyl benzoate.

Methyl benzoate is made by condensing a compound containing a carboxylic acid functional group namely benzoic acid and another compound containing an alcohol functional group namely methanol. It also plays a role in attracting insects and acts as a metabolite.

Methyl benzoate is a crystalline solid, it has a density lower than that of water. Being in its contact can irritate mucous membranes, skin and eyes. It's used in pharmaceutical industries for making other chemicals. It is known as methyl ester and benzoate ester.

Therefore, alcohol and carboxylic acids are two functional groups that combine to form methyl benzoate.

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The air-sea differential in atmospheric composition and the interchange ratio, which regulates how rapidly a gas molecule may traverse the ocean-atmosphere border, are the main factors controlling the physio-chemical process of air-sea gas exchange.

Carbon dioxide is released during cellular respiration/gas exchange as a waste product. Cells that are capable of photosynthesis can utilise this carbon dioxide to create new carbohydrates. Additionally, oxygen gas is necessary to act as an electron acceptor during the process of respiration/gas exchange. From both the environment into the seas and from the seas into the atmosphere, gases are transported. The difference in gas concentration between both the atmosphere and the water, as well as the wind speed, are the two most significant variables that affect gas exchange.

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Studying psychology can help me live a happier life by giving motivation, improving my leadership and communication skills. Psychology may help me read other people better which can help me communicate with them more easily. It also improves my memory and teaches me to make better decisions. Studying psychology may help you solve my problems, not on the outside word but mentally. If I do not have everything figured out, studying psychology may improve my state of mind, helps me be more focused and improves grades. If you I am healthy psychologically, then my mind may tell me to stay physically healthy and it might motivate me to be more productive.

Psychology is the area that studies behavior and issues that permeate human life. It is the science that aims to understand feelings, emotions, impressions and other issues inherent in a person. The psychologist is the professional responsible for delving into this science.

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Semen is a mixture of secretions emanating from each of the following organs except the prostate gland.

In men, the prostate gland is found underneath the bladder and surrounds the top portion of something like the tube which it drains the bladder's urine (urethra). The fundamental function of the prostate is to create the fluid that nourishes as well as transports sperm (seminal fluid).

Semen is the thick fluid which it emerges from men's. It transports sperm from a man's body so that it can fertilize an egg and generate an embryo (the first stage of pregnancy).

Sperm is a component of semen, however, semen is not a component of sperm. Semen, commonly known as ejaculate , has been the whitish fluid that usually, but not always, flows out of the  that whenever a person comes.

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Vasoconstriction; their extremities will turn pale or blue as blood moves to the core of the body also their Sweating; the water released from their skin will evaporate.​

Vasoconstriction slows down the body's heat loss through the skin's blood vessels, warming the body. The body attempts to regain homeostasis as part of a negative feedback loop, which includes this action (maintaining a constant internal environment).

As an illustration, vasoconstriction causes the blood vessels to constrict and blood to move at a higher pressure in an effort to actively prevent a hypoxic reaction.

Your sweat glands produce perspiration when your hypothalamus feels that you are too hot, which helps to cool you off. The hypothalamus sends messages to your muscles to twitch in order to warm you up when it detects that you are too cold. Maintaining equilibrium is what we mean by this.

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Here are the explanation on how each of these passes from the extracellular fluid into cells:

1) Diffusion allows oxygen to move from the extracellular fluid into the cell. The concentration is quite high outside the cell and very low inside. As a result, substances reach cells through different concentration points.

2) The plasma membrane's ion channels are used to transfer calcium.

3) After entering our blood from the digestive system, ethanol enters cells with the assistance of proteins.

4) Facilitated diffusion through the plasma membrane allows glucose to enter the cell. With the aid of unique proteins found in the cell membrane, a material enters the cell via this form of diffusion.

5) Growth factor is affixed to receptors found on the surface of the cells they are trying to penetrate.

Extracellular fluid differs from intracellular fluid (fluid inside the cells) in that it typically has a higher sodium concentration and a lower potassium concentration, whereas intracellular fluid has a higher potassium concentration and a lower sodium concentration. Cells frequently produce the liquid to maintain a stable environment for cellular functions.

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Option D is correct:

Found in 1874, Wernicke’s area was found during an autopsy, which revealed a lesion on the left temporal lobe of a patient who had incomprehensible speech and zero ability to comprehend written or spoken language.

German physician, anatomist, psychiatrist, and neuropathologist Carl Wernicke. He is renowned for his groundbreaking studies on receptive aphasia and the pathogenic effects of particular types of encephalopathy, both of which are generally referred to as Wernicke encephalopathy and Wernicke's aphasia, respectively.

The Wernicke area was first discovered in 1874 by Carl Wernicke. It is one of the two areas of the cerebral cortex that regulate speech, according to research. Wernicke area is located in the superior temporal gyrus' posterior part, also known as Brodmann area 22 in the dominant hemisphere.

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Question correction:

Found in 1874, __________ area was found during an autopsy, which revealed a lesion on the left __________ lobe of a patient who had incomprehensible speech and zero ability to comprehend written or spoken language.

A. Wernicke’s . . . frontal

B. Broca’s . . . temporal

C. Broca’s . . . frontal

D. Wernicke’s . . . temporal

Explanation:

simple explanation:

there are many things that animals or plants compete for:

animals:

mates-some animals my be desperate to pass on their genes to offsprings. also if there is a decrease of one sex of an species the other may find it difficult to find a mate and can end up fighting their counterparts

territory -lack of territory also causes competition

food -lack of food can cause competition

Plants:

space: some trees 'want' or require a large amount of space to survive because they are bigger and my want to collect more nutrients form soil and take more light

light/sunlight: plants require sunlight for : plants photosynthesis they may grow their leaves big for a big surface area to collect more light.

water/minerals in soil: plants need water to grow so they may grow their roots deep and long

The two causes of competition between two species are the habitat has only a limited quantity of resource both species need and the species do not have a way to partition a resource they both need. Thus, the correct options are c and d.

Competition is a type of interaction between species which occurs when the two species require same resource that is available in limited amount. So, the availability of the resource to one species is negatively influenced by the presence of the other species which leads to competition and exclusion of one species from the environment.

Competition between two species occurs when both the species are using the same resources in an area. Competition is of two types interspecific and intraspecific competition. In competition, the species do not have a way to partition the resource they both need.

Therefore, the correct options are c and d.

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Your question is incomplete, most probably the complete question is:

What causes competition between two species? select the two answers that are correct.

a. One species successfully prevents another species from using a resource

b. Their environment lacks a resource that one of the species requires

c. Their habitat has only a limited quantity of resource both species need

d. The two species do not have a way to partition a resource they both need

e. Males of the two species compete for mates belonging to the other species

Efforts to discover whether the intelligence of children is more heavily influenced by their biology or by their home environments are most directly relevant to the debate regarding nature versus nurture.

In the field of psychology, nature versus nurture represents the competition between two factors i.e genetic and environmental that influence behavior in an individual.

Psychologists believe that there are certain behavioral characteristics that are influenced by our genetic makeup. There are other characteristics that are influenced by our environment.

The intelligence of a person is a complex virtue that is dependent on both nature as well as nurture, according to some psychologists. However, scientists still have a debate that which among these two factors is involved more heavily in the intelligence of children. The debate of nature vs nurture is common in determining various psychological aspects.

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Answer:

Antibiotics produced by bacteria, mold, or yeast can be classified as irreversible inhibitors.

Explanation:

An irreversible inhibitor inactivates an enzyme by bonding covalently to a particular group at the active site. Hope this helped :)

A scientific theory enables predictions; a theory doesn’t .

A theory is a carefully reasoned explanation for an observation of the natural world that is constructed using the scientific method and brings together a number of facts and hypotheses.

A scientific theory is an explanation of some aspect of the natural world that is supported by repeated experiments and tests. The word "theory" often means unverified or unsupported speculation. But for scientists, the theory has almost the opposite meaning. A theory is a rational explanation of some aspect of nature, such as a law, hypothesis, or fact.

A word theory is a carefully reasoned explanation for an observation of the natural world, constructed using the scientific method and putting together a number of facts and hypotheses. It enables scientists to make predictions about future experiments.

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The process for removing waste from cells is called Exocytosis.

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Answer:

the correct answer is D substrate

The no. Of possible isomers for bromo-chloro benzene is 3.

Three possible isomers for bromo-chloro benzene is 1-bromo-2-chlorobenzene, 1-bromo-3-chlorobenzene & 1-bromo-4-chlorobenzene.

Isomers are identical molecules with different structural characteristics. As a result, although having the same number of atoms in each element, isomers have different atomic arrangements.

Even if all molecules have the same molecular formula, they may have various physical characteristics, especially if their respective functional groups are unique. Isomerization is the transformation of one molecule into another molecule with the same number of atoms. This could happen on its own or maybe a reaction is needed to make it happen.

Isomers are generally divided into two categories:-

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The model the researcher can use to simulate how the bacterial infection might spread through a human body is a physical model (option B).

A model is a representation of a physical object, usually in miniature.

A model is a simplified representation used to describe the workings of a real world system or event.

There are different types of models used as follows;

A physical model is a simplified material representation of an object or phenomenon that needs to investigated.

According to this question, the model the researcher can use to simulate how the bacterial infection might spread through a human body is a physical model.

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If a cell has 150% more of a protein than what is considered normal aneuploidy could be expected.

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The pearl buying and selling market a “setup” is all four businesses are owned by the same man, giving the impression of competition even though there is none.

John Steinbeck, an American author, wrote a novella titled The Pearl. The tale, which was first released in 1947, centers on a pearl diver named Kino and examines man's motivations as well as greed, disobedience of social conventions, and wickedness. During a visit to the formerly pearl-rich region in 1940, Steinbeck heard a Mexican folk tale from La Paz, Baja California Sur, Mexico, which served as his inspiration.

La Perla, a 1947 Mexican movie, and Ondu Muttina Kathe, a legendary Kannada film, were both adaptations of the book (1987). One of Steinbeck's best-known works, the narrative has been extensively used in middle and high school courses.  Some people believe that The Pearl is a parable.

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There are 96 cells are there after 5 hours.

The lag period is the adaptation period during which bacteria adapt to new conditions. The length of the induction period varies greatly depending on the conditions under which the bacteria were generated and the conditions different from the state of the bacterial cell itself.

The number of bacteria in the culture increases according to the law of exponential growth. 100 bacteria in 3 hours, 800 bacteria in 6 hours. The lag phase is one of the earliest stages of the bacterial growth cycle. At this stage, bacteria tend to adapt to growth conditions. Here individual bacteria mature but do not yet divide. Enzymes, RNA, and various molecules are synthesized during this stage of the growth cycle.

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The notion that every stimulus pattern is seen in such a way that the resulting structure is as simple as possible is called the law of Pragnanz.

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