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Agriculture developed independently in different areas of the world. because different kinds of plants grow in different regions, early farmers ended up growing different crops. which region grew wheat and barley?
Sulaiman and Kirthar hills are the locations where wheat and barley were sown first.
Which region grow wheat and barley first?The areas where people first began to grow crops i.e. wheat and barley were located in the regions of Sulaiman and Kirthar hills about 8000 years ago.
So we can conclude that Sulaiman and Kirthar hills are the locations where wheat and barley were sown first.
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The juxtaglomerular apparatus A. secretes renin in response to sodium depletion or plasma volume reduction B. consists of the proximal tubule and the ascending loop of Henle C. secretes aldosterone in response to sodium depletion or plasma volume reduction D. is a thickened region of specialized cells in the adrenal cortex supplied by the afferent and efferent arterioles E. changes IF osmolarity to increase the amount of water in the distal tubule
The juxtaglomerular apparatus A) secretes renin in response to sodium depletion or plasma volume reduction.
Blood pressure is maintained by the juxtaglomerular apparatus, which also serves as a quality control system to guarantee proper glomerular flow rate and effective sodium reabsorption. The juxtaglomerular cells produce renin and can alter the glomerulus's perfusion since they are specialized smooth muscle cells that surround the afferent arteriole.The blood pressure inside the afferent arterioles and the chloride content in the tubule fluid at the macula dense region of the distal tubule both directly affect renin release from juxtaglomerular cells in an inverse manner.learn more about juxtaglomerular apparatus here: https://brainly.com/question/9875334
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formulate a theory about one aspect of human development and a hypothesis that relates to it
A theory is that human species is evolutionary linked to apes and one hypothesis may be the association of this process with certain homologous structures.
What is the evolution theory?The evolutionary theory is a scientific theory that explains how organisms evolve from a common ancestor.
This theory can be used to explain the presence of homologous strictures between humans and primate during embryonic development, which may be verified by establishing hypotheses that can be confirmed by experimental procedures.
In conclusion, a theory about one aspect of human development is we are evolutionary linked to apes and one hypothesis is it is associated with certain homologous structures.
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Show your data for the melting rate of the conglomerate model and of the plain model. Then, on a separate
sheet of paper, graph your data. You do not need to turn in the curve, but you will need to describe the rate of
change over time.
The data for the conglomerate and plain model is:
Model 0M 5M 10M 15M 20M 25M 30M 35M 40M
Conglomerate 600g 590g 580g 520g 500g 460g 300g 210g 105g
Plain 280g 260g 260g 250g 240g 235g 220g 215g 210g
A brief explanation of the rate of change over time:
The melting rate begins slowly and in the plain model, the melting pace is at the same rate, while the conglomerate model increased its melting rate from 25 minutes to 40 minutes.
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In order to study viruses in the environment, scientists isolate nucleic acids from an environmental sample, sequence them, and use computers to assemble genomes and compare them to known sequences in databases. This approach is known as _______.
In order to study viruses in the environment, scientists isolate nucleic acids from an environmental sample, sequence them, and use computers to assemble genomes and compare them to known sequences in databases. This approach is known as Metagenomics.
The study of whole nucleotide sequences that have been extracted and examined from all of the organisms (usually bacteria) in a bulk sample is known as metagenomics. Metagenomics is frequently used to investigate a particular population of microbes, such as those found in soil, water, or on human skin.The study of viral genetic material that is derived directly from the environment rather than from a host or natural reservoir is known as viral metagenomics. In research focusing on certain potential reservoirs, viral diversity in the environment is frequently overlooked. Without the need to isolate and grow viral species in the lab, it provides crucial information on virus evolution and the genetic diversity of the viral population.
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The fluid mosaic model describes the plasma membrane as consisting of
a) individual proteins and phospholipids that can drift in a phospholipid bilayer.
b) a protein bilayer with embedded phospholipids.
c) carbohydrates, proteins, and phospholipids that can drift in the membrane.
d) two layers of phospholipids with protein sandwiched between them.
e) a phospholipid bilayer with embedded carbohydrates.
A neuron has received enough stimulation to fire an action potential; it also has been treated with TEA, a K channel blocker. Which outcome is possible
The cell will initially depolarize, but repolarization will be considerably more difficult because it solely uses ion pumps.
How will the action potential affected and remove external K+? There will be an increase in the membrane potential. Na+ leaves the cell along a gradient of concentration, reflecting an early outward current.It makes the falling phase possible, enabling the action potential to complete its cycle.Action potentials are produced when certain ions pass the neuronal membrane. A stimulation causes the sodium channels to initially open. Sodium ions rush inside the cell because the inside of the neuron is more negatively charged than the outside and contains a greater number of sodium ions.Learn more about neuron here:
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do animal cells have a vacule
Answer:
yes
Explanation:
Answer:
yes
Explanation:
both animal cells and plant cells have vacuoles.
The amniotic fluid __________. Group of answer choices delivers food and oxygen to the developing organism helps keep the temperature of the prenatal world constant produces blood cells until the organs are mature enough to take over this function delivers nutrients and removes waste products
The amniotic fluid helps keep the temperature of the prenatal world constant.
Amniotic fluid surrounds the developing fetus inside the womb and protects the fetus from injury and temperature changes. It additionally lets in for freedom of fetal movement and permits musculoskeletal improvement.
Amniotic fluid is chargeable for: defending the fetus: The fluid cushions the infant from outdoor pressures, acting as a shock absorber. Temperature manipulation: The fluid insulates the child, maintaining it warm and preserving a normal temperature. contamination control: The amniotic fluid carries antibodies.
In the beginning, amniotic fluid is especially water with electrolytes, however, using approximately the 12-14th week the liquid also incorporates proteins, carbohydrates, lipids and phospholipids, and urea, all of which aid in the growth of the fetus.
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The drivers left hand and arm is extended upward this hand signal means that the driver plans to:.
The driver's left hand and arm are extended upward. This hand signal means that the driver plans to: Turn left.
When a car's lights fail, the driver can still communicate with other drivers by using hand signals. Additionally, because they lack alternative signaling equipment, cyclists, skateboarders, and scooter riders frequently employ hand signals. In order to keep oneself and others safe, they must be able to read hand signals.
There are 3 standard hand signals for drivers:
Stopping or slowing down is denoted by extending your arm downward and looking backward with the palm.An arm sticking out of the window in a straight line signifies a left turn.Turning to the right turn is signified by raising the arm in a 90° angle.If the car don't have brake lights, the driver can slow down or stop by extending their arm downward and pointing their palm backwards.learn more about hand signals here: https://brainly.com/question/18597010
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Which of the following is the correct process of genes working in protein synthesis?
I. mRNA moves from the nucleus to the cytoplasm.
II. Ribosome attaches to the mRNA.
III. DNA has been transcribed into mRNA.
IV. Protein is synthesized.
V. Assembles the amino acids.
A. IV, III, II, V, and I.
B. III, IV, I, V, and II.
C. II, III, IV, V, and I.
D. III, I, II, V, and IV.
Answer:
D. III, I, II, V, and IV.
Explanation:
1.) III. DNA has been transcribed into mRNA.
2.) I. mRNA moves from the nucleus to the cytoplasm.
3.) II. Ribosome attaches to the mRNA.
4.) V. Assembles the amino acids.
5.) IV. Protein is synthesized.
3 facts about Photosynthesis ?
Answer:
3 FACTS ABOUT PHOTOSYNTHESIS:
The chemical equation for photosynthesis is: carbon dioxide + water --> glucose + oxygenPhotosynthesis the process by which green plants and some other organisms use sunlight to synthesize (get or create) nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product.Hope this helps!
According to the principle of independent assortment, there is a _____ percent chance that any tall pea plant will produce either yellow or green peas.
According to the principle of independent assortment, there is a 50 percent chance that any tall pea plant will produce either yellow or green peas.
State law of independent assortment.The Law of Independent Assortment states that Separate traits' alleles are transferred from parents to children separately from one another.
Example: Mendelian dihybrid cross.
Basic principles of genetics
Principles of Paired FactorsPrinciple of DominanceLaw of Segregation or Law of Purity of Gametes (Mendel's First Law of Inheritance)Law of Independent Assortment (Mendel's Second Law of Inheritance).Learn more about law of independent assortment here:
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The main difference between meiosis I and meiosis II is that _____ in meiosis II.
A. no new DNA is created
B. cytokinesis is not involved
C. no spindle fibers form
D. the nuclei do not divide
Answer:
A
Explanation:
hysiologic dead space Multiple Choice Anatomic dead space lost alveoli Anatomic dead space air in the respiratory zone Anatomic dead space air in the alveoli Air in the alveoli air in the conducting zone
Physiological dead space comprises of anatomic dead space) + (alveolar dead space) in the respiratory zone.
Air that is present in the conducting airways, in terms of volume is the anatomic dead space.Inhaled air entering this area of the lung cannot participate in gas exchange because alveolar capillaries are blocked (e.g., by a pulmonary embolism), therefore it behaves just like air entering the conducting airways. The amount of respiratory zone air that is not involved in gas exchange, known as physiologic or total dead space, is equal to anatomic plus alveolar dead space. The respiratory bronchioles, alveolar duct, alveolar sac, and alveoli make up the respiratory zone.The figure shows empty space. Anatomic dead space is represented by the volume of gas just in the airways i.e., gas close to the respiratory bronchiole, including gas in the mouth, nose, and ventilator tubing where no gas exchange is possible.learn more about Physiological dead space here: https://brainly.com/question/9734216
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create a flow chart illustrating how food is digested and how wastes are removed from the body. A flow chart is a diagram of the sequence of movements or actions of people or things involved in a complex system or activity.
You should include the following structures in your flow chart: mouth, pharynx, esophagus, stomach, small intestine, large intestine, rectum, kidneys, bladder, ureter, and urethra. Be sure to include a short description of how each of these structures contributes to the digestive process and/or how it removes wastes from the body. Also, include a title as well as a short description of how the digestive and excretory systems contribute to homeostasis.
The Human Digestive System Flow chart is attached accordingly. See explanation of the Human Digestive System below.
What is the Human Digestive System?The Human Digestive System is the part of the human body that is responsible for breaking down food into part that is readily absorbable by the body and expels waste products.
How does the digestive and excretory system contribute to homeostasis?By providing the body with the nutrients it needs to carry out its many activities, the system aids in the maintenance of homeostasis.
The lungs, skin, and kidneys are the organs through which the system expel cellular waste.
The word for the muscular hollow organ that holds urine is the.
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Ms. Tierney arrives in the Emergency Department with a burn that extends throughout the dermis and epidermis. It is hard, dry, and leathery with a brown to black color, and in one area it seems to have extended into the subcutaneous fat layer. Ms. Tierney's burn is most likely a ___ burn.
Oxidative phosphorylation uses ALL of the following for energy production EXCEPT: Group of answer choices electrons from NADH. glycolysis. membrane-associated electron transport chain. an ATP synthase. a proton motive force.
Oxidative phosphorylation uses ALL of the following for energy production EXCEPT Glycolysis.
The inner membrane of the mitochondria contains a number of chemical compounds and proteins that make up the electron transport chain.In a sequence of redox reactions, electrons are transferred from one component of the transport chain to another.In these processes, energy is released as a proton gradient, which is then utilized to produce ATP through a process known as chemiosmosis.Oxidative phosphorylation is a process that involves both chemiosmosis and the electron transport chain.The catalytic action of ATP synthase, which phosphorylates ADP to produce ATP, is driven by the current of hydrogen ions.hence, all are involved in ETC except glycolysis. Glycolysis is a completely different step of cellular respiration.learn more about Oxidative phosphorylation here: https://brainly.com/question/28018428
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Will give brainliest
Living systems
a) violate the first law of thermodynamics.
b) decrease their entropy while increasing the entropy of the universe.
c) are only compelled to follow the first law of thermodynamics
d) are examples of a closed system
e) violate the second law of thermodynamics
Living systems are examples of a closed system, as they have an organism and unit configuration.
What is a closed system example?A closed system is one in which only energy is transferred and not any matter. Earth is considered the best example of a closed system as it only transfers energy and not matter around its atmosphere. And it is a natural process that is happening in and around the Earth.
With this information, we can conclude that Living systems are examples of a closed system, as they have an organism and unit configuration.
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I need help with this question
Answer:
It's B
Explanation:
Answer:
B is the answer of the question a '
Eukaryotic' cell
How many different types of gametes could an organism with the genotype aabbcc produce?.
An organism with genotype aabbcc will produce only one type of gamete i.e., abc.
An organism's genotype is made up of all of its genetic components. The alleles or variations that an individual carries in a specific gene or genetic region are also referred to as the genotype. Eye color is encoded by a gene. The allele in this instance can either be brown or blue, with one coming from the mother and the other from the father.every letter represents an allele, hence a, b and c are different alleles on the same locus. all alleles exist in pairs hence this makes up the genotype as aabbcc.on crossing two individuals with genotype aabbcc the following results are obtained:aabbcc X aabbcc
aabbcc, aabbcc, aabbcc, aabbcc
hence an organism with aabbcc genotype will only produce abc gametes.
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At the molecular level, cells from different types of organisms vary in their tolerance to temperature and pH. This variation can mostly likely be attributed to
At the molecular level, cells from different types of organisms vary in their tolerance to temperature and pH. This variation can mostly likely be attributed to the types of enzymes present in the cells.
The tolerance ranges for abiotic environmental factors are similar to the geographic ranges that organisms have. To put it another way, they can tolerate (or survive in) a specific range of a given factor, but they cannot survive if the element is present in either an excessive or insufficient amount. Take temperature, for example. Polar bears thrive in cold climates but would perish in the tropics from excessive heat.Cells are incapable of acting as "liquid machinery" at temperatures below freezing and above boiling. The majority of cells, however, are still unable to function across the entire range of liquid temperatures. Variance in enzyme activity and protein denaturation are most closely related to variation in cells' capacity to vary in their tolerance to temperature, etc. at the molecular level in various animals.learn more about temperature tolerance here: https://brainly.com/question/13492803
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do you think the biodiversity is as high in a city park as it is in a rainforest?why or why not?
No, the biodiversity is not as high in a city park as it is in a farm or rainforest
because, in an urban city park, only the species with the most general habitat and resource requirements have generally remained in the urban park.
What is Biodiversity ?“Biodiversity” not only refers to the number of individual species, but also the genetic variety within and between species and the diversity of ecosystems and regions.
City Parks are less likely to have biodiversity richness as compared to a farm or a rainforest.This is because these parts are artificially created and a lot of naturally occurring flora and fauna are modified in the process. This results in dilution of biodiversity-rich place.Learn more about Biodiversity here:
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When the charge builds up inside the thylakoid, this drives the formation of ATP from (blank) and (blank). This process is called chemiosmosis.
(blank) PGAL are used to make (blank), while the remaining 10 PGAL are
rearranged to form more (blank), then the Calvin cycle starts all over.
Free energy and proton drives the formation of ATP molecules inside the thylakoid.
How ATP is formed in chemiosmosis?When the charge builds up inside the thylakoid, this drives the formation of ATP from free energy and proton. The hydrocarbon skeleton of PGAL is used to form fatty acids and glycerol.
PGAL are used to make energy molecules, while the remaining 10 PGAL are rearranged to form more ATP molecules.
So we can conclude that free energy, proton, fatty acids and glycerol are the correct answers for the given blanks.
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For each statement below, identify the career described.
covers any field in which instruments or processes are created to go along with
biomedical technology
covers any field dealing with medicine, the creation of medicine, and the provision
of supplies for the medicine to be used
covers any field that helps in analyzing DNA and identifying individuals from DNA
samples taken from crime scenes
Engineering uses instruments created by biomedical technology, pharmaceutical covers fields in medicine and forensics helps in analyzing DNA.
What is forensic sciences?Forensic sciences are aimed at identifying DNA samples in a crime scene, whereas engineers create biomedical devices.
Finally, pharmaceuticals are medical professionals that identify drugs and they are able to organize them.
In conclusion, Engineering uses instruments, pharmaceutical covers medicine areas and forensics analyze DNA.
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name 2 ways that the products of mitosis and meiosis are different in humans
Answer:
Mitosis involves the division of body cells, while meiosis involves the division of sex cells. The division of a cell occurs once in mitosis but twice in meiosis.
The percentages of naturally occurring elements making up the human body are similar to the percentages of these elements found in other organisms. How could you account for this similarity among organisms
All living things have basic needs in common, and these needs are met in certain ways that require trace elements.
Of the 92 evidently taking place factors, living matters are composed of best approximately 26, and six of these 26 make up practically all the weight of most living matters. The other 20 elements crucial for lifestyles are found in very small amounts, some in such tiny amounts that they're targeted without a doubt as "trace factors".
The human frame is about 99% constituted of just six factors: Oxygen, hydrogen, nitrogen, carbon, calcium, and phosphorus. Any other 5 elements make up approximately 0.85% of the closing mass: sulfur, potassium, sodium, chlorine, and magnesium.
Despite the fact that aluminum and silicon are considerable in the earth's crust, they're discovered in hint amounts within the human body. Different hint factors encompass metals, that are regularly cofactors for enzymes. Trace factors include iron, cobalt, zinc, iodine, selenium, and fluorine.
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Based on your previous reading from Section 1.5 and after watching the video, which of the following groups (experimental or control) could create The Placebo Effect? Explain your response. Based on your previous reading from Section 1.5 and after watching the video, which of the following groups (experimental or control) could create The Placebo Effect? Explain your response.
Not much context given in this question, but I will try to explain as best to my ability.
The Placebo effect is a reaction to a placebo manifested by a lessening of symptoms or the production of anticipated side effects.
The placebo effect refers to when patients are placed in incorrect groups, which results in bias in all groups of the experiment. The placebo effect refers to an experiment where neither the participants nor the experimenters know who belongs to the treatment group and who belongs to the control group.
This is a brief explanation regarding the Placebo Effect.
If you have any more questions, just simply comment below the answer.
Cheers,
- ROR.
Two noncellular agents, smaller than viruses, are infectious RNA strands called ___ and infectious proteins called ___.
Two noncellular agents, smaller than viruses, are infectious RNA strands called virioids and infectious proteins called prions.
Virioids are irresistible specialists that comprise just of bare RNA with next to no defensive layer, for example, a protein coat. Viroids contaminate plants and are reproduced to the detriment of the host cell. Viroid genomes are little single-stranded circles of RNA that are just 250-400 bases in length.
A prion is a "proteinaceous infectious particle," a name that was abbreviated to "prion" simply a protein. Prions are proteins that can attack cells and some way or another direct their own duplication, making a greater amount of the separated proteins. Prions can enter the cerebrum through contamination, or they can emerge from mutation in the gene that encodes the protein.
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Lab: Mineral and Rock Classification
Answer:
are minerals found on earth and rocks