According to the scientific theory of atoms, which of the following statements best describes the location of electrons? A. in the nucleus of the atom B. both in the nucleus and around it C. outside the nucleus and often far from it, in the electron cloud D. outside the nucleus, yet very near it because they are attracted to the proton

Pastoral nomadism is most commonly found in the climate region of Eurasia, which is an agricultural region.  

A type of pastoralism known as nomadic pastoralism involves herding animals in search of new pastures to graze on. Real nomads have erratic migratory patterns. In areas with little arable land, usually in developing nations, nomadic pastoralism is a popular practice, notably in the steppe regions north of Eurasia's agricultural zone.

Neolithic revolution and development of agriculture led to nomadic pastoralism. They started domesticating plants and animals for food during that revolution, and they also started establishing towns. Nomadism has typically coexisted harmoniously with such settled cultures, exchanging animal products for manufactured goods that the nomadic herders did not make.

To know more about pastoralism, refer:

https://brainly.com/question/28821517

#SPJ4

Answer: venus

Explanation: Venus' thick atmosphere traps heat creating a runaway greenhouse effect – making it the hottest planet in our solar system with surface temperatures hot enough to melt lead. The greenhouse effect makes Venus roughly 700°F (390°C) hotter than it would be without a greenhouse effect.

Speed is a measure of how quickly an object moves or covers a certain distance in a given amount of time. It represents the rate of change of an object's position. Speed is typically calculated by dividing the distance traveled by the time taken to cover that distance.

It is expressed in units such as meters per second (m/s), kilometers per hour (km/h), or miles per hour (mph). Speed is a scalar quantity as it only considers the magnitude of the motion and not its direction.

Learn more about speed, here:

https://brainly.com/question/17661499

#SPJ1

Answer:

Felis Concolor

Explanation:

A Felis Rufus is a bobcat and a felis concolor is a cougar

Answer:

I'm in the stars tonight so watch me be the fire and light the

Answer:

Those materials which are not attracted by a magnet are called non- magnetic materials. All the substances other than iron, nickel, and Cobalt are non-magnetic substances for example plastic, rubber, water, etc are nonmagnetic materials. Non-magnetic substances cannot be magnetized.

Answer:

C it is used to transfer info to the ribosome

Explanation:

The ribosome is responsible for the production of proteins, so when mRNA enters a cell, the code is sent to the ribosome so that it can begin constructing the proteins.

Answer:if you want it to be faster add water

Explanation:

Improved living conditions and medical care in developed nations may potentially impact human mutation rates by reducing selective pressures and increasing the survival of individuals with previously deleterious mutations.

Improved living conditions and access to advanced medical care in developed nations can lead to several factors that may influence human mutation rates. Firstly, reduced selective pressures in these environments, such as lower exposure to infectious diseases and improved nutrition, may decrease the likelihood of certain mutations being advantageous or disadvantageous. This could result in a decrease in the overall rate of neutral and deleterious mutations in the population. Secondly, improved medical care allows individuals with previously deleterious mutations to survive and reproduce. In the past, certain genetic conditions may have been more detrimental or led to early mortality.Overall, while improved living conditions and medical care in developed nations may reduce selective pressures and decrease the rate of certain mutations, they can also lead to the persistence and potential increase of deleterious mutations in the population due to improved survival and reproduction of affected individuals. It is important to note that the specific impact on mutation rates can vary depending on various factors, including the nature of the mutations and the interplay between genetic and environmental factors.

learn more about nutrition Refer: https://brainly.com/question/28391244

#SPJ11

Answer:

c

Explanation:

i looked it up and i also took the quiz

Answer:

It is Graph C

Explanation:

I just took the test.

Answer:

central nervous system

Explanation:

Answer:

(a) Allen's rule

Explanation:

It is a heat-conservation mechanism that prevents heat loss from the body. Heat gain and heat loss can be maximised and minimised by lowering the surface area to volume ratio of the body. Small animals are uncommon in the polar regions due to their larger surface area and lower volume.

I am joyous to assist you at any time.

Answer:

Allen's rule

Explanation:

A portion of the water in the oceans and freshwater bodies like lakes and rivers evaporates during the water cycle as a result of the sun's heat. Impurities in the water are left behind as a result of evaporation.

It follows that the water entering the atmosphere is cleaner than it was on Earth. Filtration is the process of removing dissolved particles like dust, parasites, bacteria, viruses, and chemicals from the clear water on top. The filters are made of sand, gravel, and charcoal. Parasites, bacteria, viruses, and germs are killed by the addition of chlorine or chloramine during the disinfection process. To make water fit for drinking, chlorine can be added.

To know more about evaporation, click here:

https://brainly.com/question/11845221

#SPJ4

Answer:

All life as we know it contain DNA/RNA and protein. Fossil records and extant species all prove this fact. The genetic material's inherit ability shows how that the DNA of all creatures, both living and dead, can be traced back to a single point, which is our common ancestral origin of life.

Answer: Almost all genes in microorganisms, plants, and animals have the same codons.

Explanation: give me brainliest plz

Explanation:

There are four stages of mitosis: prophase, metaphase, anaphase and telophase.1) Prophase: chromatin into chromosomes, the nuclear envelope break down, chromosomes attach to spindle fibres by their centromeres 2) Metaphase: chromosomes line up along the metaphase plate (centre of the cell) 3) Anaphase: sister chromatids are pulled to opposite poles of the cell 4) Telophase: nuclear envelope reforms, chromosomes unfold into chromatin, cytokinesis can begin The order of the stages of mitosis can be remembered using the mnemonic PMAT.

Lovastatin is used to lower cholesterol by inhibiting the function of the protein HMG-CoA reductase.

This enzyme, also known as 3-hydroxy-3-methylglutaryl-CoA reductase, plays a crucial role in the biosynthesis of cholesterol in the liver.

Lovastatin, as a statin drug, works by binding to the active site of HMG-CoA reductase, preventing it from converting HMG-CoA to mevalonate, which is an essential step in the production of cholesterol.

By inhibiting this protein, Lovastatin effectively reduces cholesterol levels in the blood, helping to decrease the risk of cardiovascular diseases.

To know more about Lovastatin refer here: https://brainly.com/question/28474961#

#SPJ11

A mutation in its dna causes a fox to have white fur rather than brown. This mutation is beneficial to these arctic foxes.

The Arctic fox (Vulpes lagopus), commonly known as the white fox, polar fox, or snow fox, is a tiny fox that is a member of the canidae family and is found throughout the Arctic tundra biome in the Northern Hemisphere. It is well recognised for its thick, insulating fur, which doubles as camouflage and is well adapted to surviving in frigid climates. Its tail is big and extremely fluffy. Most animals in the wild can not survive past their first year, however some remarkable ones can live up to 11 years.

Considering that arctic foxes reside there, where the majority of the year the ground is covered in snow.  These arctic foxes pursue tiny creatures like mice and rats.

To know more about arctic foxes, click:

https://brainly.com/question/27776858

#SPJ4

Erasmus ME, van der Bij W. Death after lung transplantation: improving long term survival despite perilous early postoperative years Detailed data on postoperative death in lung transplant (LTx) recipients are lacking. Therefore, we investigated all deaths after LTx in a large, single-centre, 25-year follow-up cohort. Prevalence, time, place and cause of death (COD) were retrospectively analysed for all patients undergoing primary LTx between July 1991 and December 2015 in our centre.

A surgical surgery known as a lung transplant, sometimes known as a pulmonary transplant, replaces one or both of the patient's own lungs with donor lungs. Both living and deceased donors can provide donor lungs for transplant. One lung lobe can only be donated by a living person. One lung may be sufficient for a recipient with certain lung conditions. A recipient must get two lungs if they have cystic fibrosis or another lung condition. While lung transplants have some associated dangers, they can also help people with end-stage pulmonary illness live longer and have better quality of life.

To learn more about lung transplantation from the given link:

https://brainly.com/question/4470199

#SPJ4

Two species that occasionally mate and produce vigorous but sterile offspring are subject to reduced fertility in hybrids.

Mating between plants or animals of closely related species produces fertile offspring that are originally hybrids even though some chromosomes do not meet their respective mating partners during the early stages of cell division can do.

• Reduced hybrid fertility is a common feature of reproductive barriers separating recently isolated species. In the house mouse (Mus musculus), hybrid male sterility has been extensively studied using experimental crosses between subspecies.

• It is a postzygotic mechanism that prevents progeny of two different species from reproducing.

• The reduced fertility of such hybrids may be due to problems occurring within the hybrid during meiosis, for example. A classic example of this phenomenon is the mule, which is a rather unusual animal, but only breeds "once in a blue moon"

To learn more about reduced hybrid fertility visit:

https://brainly.com/question/28297492

#SPJ4

The type of enzyme that catalyzes the rearrangement of chemical bonds within a single molecule is Isomerase.The correct answer is a.

Isomerase is an enzyme that helps to rearrange the chemical bonds within a single molecule. This rearrangement is called isomerization. Isomerases are involved in a wide variety of biological processes, including the breakdown of carbohydrates, the synthesis of proteins, and the synthesis of DNA.

The type of enzyme that catalyzes the rearrangement of chemical bonds within a single molecule is isomerase. An enzyme is a biological catalyst that is used to catalyze a particular reaction in the body. The enzyme enhances the rate of reaction without being consumed in the reaction.

According to the question, the type of enzyme that catalyzes the rearrangement of chemical bonds within a single molecule is isomerase.An isomerase is an enzyme that catalyzes the interconversion of isomers. Isomers are two or more molecules with the same molecular formula but different structural formulas, and so they are different compounds.

Enzymes are usually named after the reaction they catalyze or the molecule they work on, as well as adding the ending "ase" to the name, such as isomerase. Thus, an isomerase is a type of enzyme that catalyzes the conversion of one isomer to another.

Learn more about enzymes here:

brainly.com/question/17292676

#SPJ11

Answer:

false

Explanation:

Answer:

Exercising

Explanation:

Exercising acts as a factor which cause a faster rate of blood flow.

Statement 2, "The principle of superposition is a way to determine in numbers of years how old a rock is," does not apply to the principle of superposition.

The principle of superposition is a fundamental concept in geology. This principle is based on the understanding that sedimentary layers are deposited sequentially over time, with each new layer forming on top of the previous layers.

However, the principle of superposition does not directly provide a way to determine the numerical age of a rock in years. Instead, it establishes the relative ages of rocks within a given sequence. To assign numerical ages to rocks, geologists rely on additional dating methods, such as radiometric dating, which involves measuring the ratio of isotopes in a rock sample to estimate its age.

Statement 1 is accurate because the principle of superposition has indeed assisted geologists in developing the geologic time scale, which provides a chronological framework for Earth's history based on the relative ages of rocks.

Statement 3 is also valid as the principle of superposition can be illustrated using the layers of a cake or a sandwich, demonstrating the concept of younger layers being on top of older layers.

Statement 4 correctly summarizes the principle of superposition, emphasizing that, in an undisturbed sequence of sedimentary rocks, the youngest rocks are on top, while the oldest rocks are at the bottom.

Know more about the superposition here:
https://brainly.com/question/2069576

#SPJ8

Answer:

If trypsin is in an acidic environment, it will decrease its function, since its optimum pH is 8.

Explanation:

Trypsin is an enzyme responsible for break peptide bonds, thus hydrolyzing proteins into peptides and amino acids. This enzyme is secreted by the pancreas and poured into the duodenum —an alkaline environment— where it acts.

Since the optimal pH for trypsin to fulfill its function is 8, if the enzyme were placed in an acidic environment it would decrease its function. This is because enzymes work under specific pH and temperature conditions, and changes in these conditions affect enzymatic activity.

Answer:

Explanation:

Three ways in which mutation could occur are

1) If an error occurs during DNA replication and it's not corrected in time by DNA polymerase.

2) If there is a deletion of a base(s) in the sequence of the DNA. The deletion of a DNA nucleotide/base could also cause a mutation as that could affect the formation of an enzyme or protein useful in building and/processing certain body parts/processes.

3) Thymine dimerization: Thymine dimers are mutations that prevent DNA from replication or even transcription hence preventing a cell from undergoing division (hence causes cancer). They are formed when covalent bonds are formed between the bases of a DNA sequence (somewhere around the carbon-carbon double bond).

The two effects are

1) It could cause cancer as described in (3) above (in the case of thymine dimer)

2) It could lead to deformity in an individual because of the gene that is supposed to code for the last finger has a base deletion, that could eventually lead to the absence of that finger or a shorter or "strange" finger.

The complete arrow-pushing mechanism of epinephrine synthesis (tyrosine to a catecholamine) involves several enzymatic steps, including tyrosine hydroxylation, decarboxylation, and addition of cofactors such as oxygen, iron, and tetrahydrobiopterin (BH4).

The synthesis of epinephrine, a catecholamine, from tyrosine involves a series of enzymatic reactions. First, tyrosine hydroxylase adds a hydroxyl group to the benzene ring of tyrosine, forming L-DOPA. This step requires the cofactor tetrahydrobiopterin (BH4) and oxygen. Next, decarboxylation occurs, converting L-DOPA to dopamine with the help of the enzyme aromatic L-amino acid decarboxylase (AADC).

The conversion of dopamine to norepinephrine involves the action of dopamine β-hydroxylase (DBH) and requires the cofactor ascorbic acid (vitamin C). DBH adds a hydroxyl group to the β-carbon of dopamine, resulting in the formation of norepinephrine. Finally, norepinephrine is methylated by the enzyme phenylethanolamine N-methyltransferase (PNMT) to produce epinephrine. This methylation step requires the cofactor S-adenosylmethionine (SAM).

Overall, the complete arrow-pushing mechanism of epinephrine synthesis involves multiple enzymatic reactions and the participation of cofactors such as oxygen, iron (as part of the DBH enzyme), tetrahydrobiopterin (BH4), ascorbic acid (vitamin C), and S-adenosylmethionine (SAM).

Learn more about epinephrine

brainly.com/question/32169404

#SPJ11

Answer:

Photosynthesis uses energy from sunlight, and chemosynthesis uses chemical energy.

Explanation:

Two ways that primary producers produce high-energy compounds are Photosynthesis and chemosynthesis.

Primary producers, additionally called autotrophs, are unit creatures that acquire their ingredients from dead sources and their energy from daylight.

Plants and different living things use a method known as chemical action to remodel lightweight energy into energy which will then be free through respiration to power the organism's activities.

By mistreatment chemicals as their energy supply instead of daylight, bacterium turns out food (glucose) through a method called synthesis. Around hydrothermal vents, synthesis takes place, and gas seeps into the deep ocean wherever daylight isn't a gift.

To learn more about photosynthesis and chemosynthesis click at https://brainly.com/question/4821668