Answer:
Plant domestication: Cereals such as emmer wheat, einkorn wheat and barley were among the first crops domesticated by Neolithic farming communities in the Fertile Crescent. These early farmers also domesticated lentils, chickpeas, peas and flax.
5. Why are SI units used so often in science?
a.
Factors of 10 are easier work with mathematically.
b. SI units are bigger than English System units.
Factors of 3, 12, and 5,280 are easier to remember.
d. SI units are more accurate than English System units.
C.
The conversion foot
6
The SI units are preferred because factors of 10 are easier to work with mathematically.
What is the SI unit?We know that there are units that are common to many countries such as the English units and the American units. Now we know that the plentitude of units makes it confusing to use and hence there is a lack of consistence in the reportage of scientific data.
Hence, we know that it is common for many scientists to report research in the SI unit for the scientific community. Hence the SI units are so common in science because factors of 10 are easier to work with mathematically.
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respira
photosynthesis are two of the major processes involved in cycling carbon
through the carbon cycle. Examine the model. How does cellular respiration cycle carbon
compounds through the biosphere? Choose the TWO choices that apply.
Sunlight
Carbon Cycle
CO₂ in the
atmosphere
Photosynthesis
by producers
Plant
respiration
Carbon fixation
by consumers
Animal
respiration
Decomposition
Fossils and fossil fuels
Fossil fuel
combustion
Cellular respiration absorbs carbon dioxide from the atmosphere.
Cellular respiration releases carbon dioxide into the atmosphere.
Cellular respiration uses carbon containing compounds to produce ATP.
Cellular respiration absorbs carbon containing compounds from the soil.
Cellular respiration releases carbon containing compounds into the soil.
Ibuprofen is a drug commonly used to relve inflammation and pain, it is a mixture of two enatiomes whicha re moldules that:_______.
Answer:
Зато хохлосвиней умеешь поддерживать , мерзавец. И глупую Украину, как Америка. Путин молодец!!! Америке скоро пипец будет , а Россия будет процветать.
Explanation: Такой же тупой америкос как те укры в Украине
The muscle contraction mechanism that moves an egg down the fallopian tube toward the uterus is the same mechanism that moves?
The muscle contraction mechanism that moves an egg down the fallopian tube toward the uterus is the same mechanism that moves food from the esophagus to the stomach.
The food we eat is swallowed down by the esophagus. The food is moved down by the muscular contractions of the layers of the esophagus. These movements are called peristaltic movements or peristalsis. These peristaltic waves also help in the movement of food down the stomach into the intestine and then to the anus.
The ovum is released by the ovaries and is captured by finger-like projections of the oviduct. The fallopian tube or the oviduct allows fertilization in its ampullary region by the sperm. The mucosal lining of the fallopian tube releases some secretions into it for the nourishment of egg and sperm. These secretions include glucose, bicarbonate, calcium, sodium, chloride, and proteins. The mucosal lining has cilia which aid in the movement of a fertilized egg, called a zygote, toward the lumen of the uterus.
The distance covered by the zygote toward the lumen is dependent upon the peristalsis of the fallopian tube. Similarly, the food moved down the esophagus from the mouth to the stomach or anus is dependent upon the peristalsis of the esophagus and stomach linings.
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Which part of the brain is responsible for thinking and planning? limbic system hypothalamus brain stem cerebral cortex
Cerebral Cortex is responsible for thinking and planning.
Cerebral Cortex- The outer layer of neuronal tissue that makes up the cerebrum of the brains in mammals and humans is called the cerebral cortex, often referred to as the cerebral mantle. Only 10% of the cerebral cortex is made up of allocortex, which is a six-layered structure.
Neuronal tissue- The neural tissue performs some specific duties as a specialized tissue. It is the primary element of the nervous system, including the central and peripheral nervous systems. The brain, spinal cord, and nerves are the three main components of our nervous system that are made of nervous tissue.
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What controls this ability to connect through the body movements and facial expressions of others?
Our volitional centre, the motor cortex, is where we impose specific facial expressions in order to convey the desired message or because the situation requires it.
What is the purpose of the motor cortex?The motor cortex's main job is to provide signals that control how the body moves. It is anterior to the central sulcus and a portion of the frontal lobe. The primary motor cortex, premotor cortex, and supplementary motor area make up this region.What kinds of motions does the motor cortex regulate?The motor cortex generates signals that are particular to movements and sends them to the muscles via spinal cord circuits and motor neurons to regulate motor behaviour. For the execution of movements to be precise, coordinated muscle activation patterns are required.learn more about motor cortex here
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The vital ability of an organism to take certain actions when changes occur in its immediate environment is called ________.
The vital ability of an organism to take certain actions when changes occur in its immediate environment is called Adaptation
What is Adaptation ?In biology, there are three related definitions of adaptation. First, natural selection, a dynamic evolutionary process, adapts organisms to their environments, improving their evolutionary fitness. Second, it is a state that the populace attained as a result of that process.
The streamlined bodies of aquatic fish and mammals, the light bones of flying birds and mammals, the long, dagger-like canine teeth of carnivores, and the long necks of giraffes for feeding in the tops of trees are a few examples. According to all biologists, organismal characteristics frequently represent adaptations.Learn more about Adaptation here:
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What type(s) of cell signaling mechanism require(s) a receptor in the target cell for information to be transferred to another cell?
a. autocrine
b. gap
c. paracrine
d. hormonal
The correct answer is options: A, C and D
The types of cell signaling mechanisms that require a receptor in the target cell for information to be transferred to another cell are autocrine, paracrine, and hormonal.
In multicellular organisms, cells transfer information and use various types of chemical signals to communicate with each other known as receptors.
Cell signaling mechanisms are of four types: endocrine signaling, hormonal mechanism, paracrine and autocrine signaling.
In this process, cells transmit, process, and receive signals across their environment and themselves.
Moreover, cells also release certain types of fluids or substances that are taken up by the surrounding cells.
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Enzymes that use oxidation to convert food materials into energy are found in sausage-shaped structures called __________.
Enzymes that use oxidation to convert food materials into energy are found in sausage-shaped structures called: Mitochondria.
The majority of the chemical energy required to drive a cell's metabolic operations is produced by mitochondria, which are membrane-bound cell organelles (mitochondrion, singular). Adenosine triphosphate, a tiny molecule, serves as a storage container for the chemical energy generated by the mitochondria (ATP).
In addition to producing bioenergy, mitochondria also play important roles in apoptosis, autophagy, heme biosynthesis, oxygen sensing, and calcium homeostasis.
They are tubular-shaped organelles bound by double membranes. The abrupt structural changes from a tubular to a globular shape, known as mitochondrial fragmentation, are brought on by the loss of mitochondrial membrane potential. The globular mitochondria that arise are known as swollen or ring/doughnut mitochondria.
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You want to count only the viable cells in a sample. What is the best technique to do this?.
The best technique to count only the viable cells in a sample is the plate count method.
Viable cells are living and healthy cells among a population of cells under certain conditions. These are the metabolically active cells. The cells are important to know about various properties of the species of growing cells. This property is also widely used in drug testing.
Plate count method is the widely used laboratory technique to determine the count of viable cells. It is a multi-step process that requires strict aseptic and non-contaminated environment to obtain the accurate results. The result obtained is several colonies of cells that can be seen through unaided eyes.
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A difference in solute concentration can exist between the cytosol and the interstitial fluid because the ______ prevents their movement.
A difference in solute concentration can exist between the cytosol and the interstitial fluid because the phospholipid bilayer prevents their movement.
What is the phospholipid bilayer?Phospholipid bilayer is a thin polar membrane made of two layers of lipid molecules.
A difference in solute concentration can exist between the cytosol and the interstitial fluid because the phospholipid bilayer prevents their movement.
The phospholipid bilayer is composed of saturated and unsaturated fatty acids it is referred as the backbone of all cellular, synaptosomal, and vesicular membranes.
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Jay built a model of the solar system. What sort of information will his model be able to explain? What type of information would his model be unable to explain?
Answer:
the answer is
Explanation:
his model will be able to explain these
a) the positions of sun and planets
b) the modern solar system including planets
c) the distances between each planet from the sun
d) how many moon does each planet has
his model won't be able to explain these
a) how does the movement around the sun accur
b) what times and seasons of the year does the planet change
c) what's the times and ellipse could happen
.
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Mechanical stress from manual labor accelerates keratinocyte multiplication. this results in formation of:________
Mechanical stress from manual labor accelerates keratinocyte multiplication. this results in formation of: callus
What stage of a keratinocyte's existence is it in?A basal keratinocyte has recently undergone mitosis to split into two new basal keratinocytes in the basal layer of the skin, the innermost stratum. This newly formed cell begins to divide, giving rise to numerous other keratinocytes.
During their about one-month long life cycle, keratinocytes undergo morphological modifications. From the basal layer, where keratinocytes are formed, to the superficial layer, where they die and separate from the epidermis, the changes occur gradually.
Depending on whether they are differentiated or undifferentiated, keratinocytes can range in size. In vivo, the size is thought to range from 15 to 50 micron.
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If dev also has an absolute advantage in growing strawberries and raspberries , he will _________.
Have a competitive advantage in one of the activity but not both.
If dev also has an absolute advantage in growing strawberries and raspberries , he will have a competitive advantage in one of the activity but not both.
What is comparative advantage?Comparative advantage is the capacity of an economy to produce a particular good or service at a lower opportunity cost than its trading rivals.The notion of comparative advantage explains why trade may benefit people, countries, or businesses.The importance of comparative advantageCompanies that enjoy a comparative advantage can provide their goods and services at lower prices than their competitors, which boosts their profit margins and increases their sales margins.How is comparative advantage determined?If a country produces a good or service with the lowest opportunity cost, it is said to have a comparative advantage.To learn more about comparative advantage visit:
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___can be separated by physical methods can only be separated by chemical methods and __ cannot be broken down further.
Mixtures can be separated by physical methods can only be separated by chemical methods and elements cannot be broken down further.
Physical methods can be used to separate mixtures, especially mixtures of solids. It is worth of note that physical methods can also be used to separate liquid mixtures. For instance, the fractional distillation of petrol is a physical process. Chemical procedures can separate compounds, but components cannot be broken down further. In other words, chemical methods/reactions can split a complex into simpler compounds. Chemical processes or physical mechanisms cannot break down elements into simpler compounds. Also, note that elements are further divided into electron, proton and neutron but this separation is neither by physical or chemical methods.
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When forming a semi-solid gel such as gelatin, which molecules does the process of protein coagulation entrap?.
Answer:
When forming a semi-solid gel such as gelatin, water molecules does the process of protein coagulation entrap.
Explanation:
Since the proteins that make up gelatin, which is mostly generated from collagen, are significantly bigger than typically dissolved different molecules but are uniformly distributed all across the water, gelatin is just a colloid once it is dissolved in liquid. It is particularly a solution, a colloid that consists of solid particles spread throughout another material. The distributed phase refers to the inferior component of a colloid, in this example gelatin. Gelatin is just a liquid while it's heated and turns into a gel when it's cold. Another sort of colloid is a gel, which is created when a liquid is spread by a solid. The gelatin gel may be made liquid again by heating it. Furthermore, any colloid contains extremely big particles in solution. Since organic molecules may be much bigger than the majority of inorganic molecules, colloidal particles are particularly prevalent in biomolecules.
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Which layer of the atmosphere holds the ozone layer?
Answer here
__________
Answer:the stratosphere
Explanation:
Answer:
The ozone layer is one layer of the stratosphere, the second layer of the Earth's atmosphere
Hich metabolic manifestations are likely to be observed in a client with hypothyroidism? select all that apply.
The metabolic symptoms seen in a hypothyroid client include cold intolerance and a drop in body temperature. The main symptom of hypothyroidism is impaired memory. The pulmonary symptom seen in the hypothyroid client is difficulty breathing. The cardiovascular symptom seen in a client with hypothyroidism is decreased blood pressure.
1 A weak memory Correct
2 Cold intolerance
3 Breathing issues
4 Drop in blood pressure
5 Reduced body temperature,
What is hypothyroidism?When you have hypothyroidism, your thyroid gland doesn't produce enough of a few critical b(underactive thyroid). Hypothyroidism may not initially manifest any overt symptoms. Infertility, obesity, joint pain, and heart disease are just a few health problems that untreated hypothyroidism can eventually result in.
Accurate thyroid function tests are available to diagnose hypothyroidism. Synthetic thyroid hormone therapy is often simple, safe, and effective after you and your doctor identify the right dosage for you.
Depending on how severe the hormone deficiency is, various hypothyroidism signs and symptoms may be present. Many times, problems develop slowly over several years. At initially, hypothyroidism symptoms like fatigue and weight gain could go unrecognized. Or you might simply accuse them of getting older.
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The metabolic manifestations are likely to be observed during a client with hypothyroidism--
Intolerance to cold
Decreased vital sign
Decreased blood heat
What does it mean if you've got hypothyroidism?
Hypothyroidism (under active thyroid) may be a condition in which your thyroid gland doesn't produce enough of certain crucial hormones.
What is the main cause of hypothyroidism?
Hypothyroidism means the thyroid gland can't make enough thyroid hormone to keep the body running normally. People are hypothyroid if they need too little thyroid hormone in the blood. Common causes are autoimmune disorder , like Hashimoto's thyroiditis, surgical removal of the thyroid, and radiation treatment.
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A desirable nutrition state occurs when body tissues have enough essential nutrients from ______ of foods to support metabolic functions.
A desirable nutrition state occurs when body tissues have enough essential nutrients from a variety of foods to support metabolic functions.
What is metabolic function ?Your body uses a process known as metabolism to turn food and liquids into energy. This complex process, which includes calorie-dense foods and beverages, allows your body to release the energy it needs to function.
What are the metabolic processes?Some of these are catabolic routes, such as amino acid catabolism -oxidation (the breakdown of fatty acids), and glycolysis (the breaking of glucose). Others are anabolic processes, such as those involved in triglyceride synthesis and energy storage (such as glycogenosis) (lipogenesis).
Metabolic processes include the chemical reactions that keep you alive. One example of metabolism is the rate at which you burn fat and consume calories. the constant anabolic and catabolic chemical and physical processes that occur in living things and their cells.
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When environmental conditions around a bacterium are either a neutral ph or an alkaline ph, the surface of a bacterium will:__________-
When environmental conditions around a bacterium are either a neutral ph or an alkaline ph, the surface of a bacterium will: have a negative charge
To identify if a bacterium has a negative charge a gram stain must be performed, this is a rapid laboratory test used to detect the presence of bacteria that cause an infection, if the result of the gram stain is red the bacteria are gram negative.
What is a bacteria?It is a microorganism formed by a single cell, of small size. Its cellular structure is prokaryotic and it is characterized by not having a nucleus.
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Single-celled organisms that cause a variety of diseases in animals, plants, and humans and may also produce extremely potent toxins inside the human body are?
Single-celled organisms that cause a variety of diseases in animals, plants, and humans and may also produce extremely potent toxins inside the human body are known as bacteria.
What are Diseases?Diseases may be defined as any circumstance that significantly involves harmful divergence from the normal structural or functional condition and state of an organism. It is generally associated with certain indications and symptoms and differs in nature from physical injury.
Bacteria are single-celled organisms that remarkably lack a well-defined nucleus and other membrane-bound cell organelles. These organisms are capable of inducing a variety of diseases in animals, plants, and humans and may also produce extremely potent toxins inside the human body.
Therefore, bacteria are single-celled organisms that cause a variety of diseases in animals, plants, and humans.
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The full meaning of WAI
Answer:
WA means Withdrawn Administratively.
Explanation:
Through what process does each person learn socially appropriate ways of satisfying basic biological needs within the culture into which they were born?
Enculturation is the process by which a person learns socially appropriate ways of satisfying basic biological needs within the culture into which they were born.
For a person to live in a society, it is beneficial to learn the culture, social norms, and ethics of that society in order to merge into society.
We can define enculturation as the process through which a person learns the appropriate culture, ethics, and norms of a society in order to meet the requirements or basic biological needs of the society.
The process of enculturation can occur through learning from parents, and relatives or seeing and observing other people in a society. For people who keep on moving from one place to another, enculturation will be common in order to blend into each society.
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Which types of drugs taken by a pregnant patient are more likely to have effects on a fetus? a.protein-bound drugs b.ionized drugs c.drugs that are highly polar d.lipid-soluble drugs
(D) Drugs that are lipid-soluble cross the placenta more easily. Highly polar, ionised, or protein-bound medications have a hard time crossing the placenta.
Why are drugs lipid soluble?Lipid-soluble medicines diffuse more quickly because the cell membrane is lipoid. Larger molecules typically take longer to cross membranes than smaller ones. The majority of pharmaceuticals are weak organic acids or bases that exist in aquatic environments as both ionised and unionised forms.
The gut wall and liver substantially process the more lipophilic medications (first-pass metabolism). The variability of this first-pass clearance can lead to 20-fold variations in the plasma drug concentrations of patients who received the same dose. Additionally, it makes patients with hepatic disease, particularly cirrhosis, more susceptible to pharmacological interactions with substances that change the hepatic drug metabolism, such as cimetidine.
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Sour dough bread is made sour by a decrease in ph caused by the acids produced by lactic acid bacteria.
a. true
b. false
Answer:
Sour dough bread is made sour by a decrease in ph caused by the acids produced by lactic acid bacteria is true.
Explanation:
A combination of flour with water is used to make sourdough, which is then fermented with yeast plus lactic acid microorganisms, especially bacteria. Then the starter's acids are what gives the bread its sour flavor. The starter has the ideal conditions to ferment and develop that particular sour flavor because of the components and a warm atmosphere. Find a cold environment for something like the dough to form if you want to produce a much more sour loaf.
Depending on the state of fermenting that it is in, the sourdough's pH varies, although in average it ranges from 3.5 to 5. Because harmful microbes cannot grow in a system with a pH lower than 4.6, this happens because the acidity keeps them away.
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Carrier proteins are slow, and can only move between ______ and_____ molecules per second.
Carrier proteins are slow, and can only move between 1,000 and 1,000,000 molecules per second.
What is Carrier protein?Carrier protein is a type of cell membrane transport protein involved in facilitated diffusion and active transport of substances out of or into the cell or the movement of ions, small molecules, macromolecules, across a biological membrane. Carrier proteins diffuses sugars, amino acids, and nucleosides. An example of a carrier protein is the sodium potassium pump that uses ATP to move three sodium ions out of the cell and two potassium ions into the cell.
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Each peroid of the periodic table begins on the left with a:
very active metal
metalloid
rare-earth metal
Answer:
Rare Earth medals
Explanation:
A(n) ____________________ is a sequence of organic nitrogen base pairs that codes for a polypeptide or a protein.
A(n) gene is a sequence of organic nitrogen base pairs that codes for a polypeptide or a protein.
What is polypeptide?
Peptides are made up of short chains of amino acids joined together by peptide bonds. The word "peptide" comes from the Ancient Greek word "peptós," which means "digested." Oligopeptides, which comprise dipeptides, tripeptides, and tetrapeptides, are chains of fewer than twenty amino acids.
A polypeptide is a peptide chain that is longer, continuous, and unbranched.
Therefore, along with nucleic acids, oligosaccharides, polysaccharides, and others, peptides belong to the large chemical families of biological polymers and oligomers.
A protein is a polypeptide that has more than 50 amino acids, on average. A protein is made up of one or more polypeptides that are structured in a biologically useful manner. Proteins are frequently coupled to other proteins, other macromolecules like DNA or RNA, or complex macromolecular assemblies.
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Determine whether the given procedure results in a binomial distribution. if not, give the reason why not. toss a coin, and record the number of tosses until the first head
Yes it is a binomial distribution
The binomial distribution was the sum of the series of the multiple independent and the identically distributed Bernoulli trials. In the Bernoulli trial, the experiment was said to be random and they can only have two possible outcomes: the success or the failure. the Binomial distribution is the common probability the distribution was that models the probability of to obtaining the one of two outcomes and under a given number of the parameters. It is summarizes the number of the trials when each trial has to be the same chance of the attaining one of the specific outcome. The binomial distribution was model allows us to compute the probability of the observing the specified number of "successes" when the process is also repeated a specific number of the times (e.g., in a set of patients) and the outcome for the given patient is either the success or a failure
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Hurry please two minutes!!
recall that in science, a theory is a well-tested explanation that unifies a broad range of observations and hypotheses and enables scientists to make accurate predictions about new situations. how does the cell theory demonstrate this definition of this theory?
The cell theory demonstrates the scientific definition of a theory in three ways. First, it's been tested extensively. Second, it summarizes the research and observations of the many different scientists who worked at different times. Third, it allows researchers who observe evidence of cellular structure in unknown objects to form predictions about the object such as whether it is a living thing and it can reproduce itself.
What is a cell theory?
Cell theory states that the cell is the basic functional and structural unit of all living organisms. Now, modern cell theory adds that all living organisms are made up of cells and cells arise from pre-existing cells.
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