the potato is a _________ . a. starch b. vegetable c. starch and a vegetable d. neither starch nor vegetable

Answer:

Pressure is the force applied perpendicular to the surface of an object per unit area over which that force is distribute.

The SI unit for pressure is the pascal, equal to one newton per square metre. Other units of pressure, such as pounds per square inch (Ibf/in2), bar and atmosphere, are also in common use.

Answer:

Explanation:

Mutations may or may not affect the phenotype because they can occur in coding or non coding areas of the DNA. If they occur in coding areas of the DNA, the protein that is coded in that part could be processed incompletely or have a different amino-acid in some part of its structure, this would affect the phenotype. If they occur in non coding areas, this would have no effect on the phenotype.

Answer:

I need to try some of these alternatives. I haven’t been doing recovery drinks but I’m starting to feel the negative tsb a bit and the SSB HV workouts are getting to their peak in week 4 (saturday will be 90mins at 90%). I had a hammer recoverite that I’ve had sitting around awhile (strawberry flavor), I didn’t love it lol and if I recall I tried some other hammer products I didn’t like. I’ve also tried skratch stuff and I think I didn’t care for it either. I’ll have to take a look at SIS, I had some ride drink mix and gels over the summer and really liked their stuff

Explanation:

A crosscutting concept is one that has applications in different branches of science.

The ones we have in the answer options are the following:

• Structure and Function,, which says that the ,shape, of an object gives it certain, properties and functions.

• Scale, proportion, and quantity,, which refer to what is important when studying something can be affected by the scale of it, as well as to the proportional relationships between quantities when the scale changes.

• Energy and Matter,, regarding the tracking of changes and flow of energy and matter in a system.

• Stability and Change,, which tells us that every system has conditions that affect its stability, and these need to be considered.

In the question, they are talking about how the order of the nucleotides in the DNA determines the amino acids of a protein, and thus its shape and chemical properties, which determine the function that the protein has.

This means it refers to the cross-cutting concept of structure and function, so the right answer would be A.

\( \green{\huge{\red{\boxed{\green{\mathfrak{QUESTION}}}}}} \)

Describe the digestive system in human body

\( \huge\green{\boxed{\huge\mathbb{\red A \pink{N}\purple{S} \blue{W} \orange{ER}}}}\)

ᴅɪɢᴇꜱᴛɪᴏɴ ɪɴ ʜᴜᴍᴀɴꜱ ᴏᴄᴄᴜʀ ᴛʜʀᴏᴜɢʜ ᴅɪꜰꜰᴇʀᴇɴᴛ ꜱᴛᴀɢᴇꜱ-

\({\bf{Ingestion:}}\): It is the process of taking in food.It involves taking in food through the mouth and eating it.

\({\bf{Digestion:}}\): It is the breakdown of food into simpler, soluble form with the help of digestive juices made in the body.

\({\bf{Absorption:}}\): In absorption, food in the soluble form passes into the body fluids such as blood.

\({\bf{Assimilation:}}\): Assimilation is the process by which absorbed nutrients are utilized by the body.

\({\bf{Egestion:}}\): It is the process of elimination of undigested solid parts of the food.

______________________________________

~~~~~~~~~~ᴅɪɢᴇꜱᴛɪᴏɴ ɪɴ ᴛʜᴇ ᴍᴏᴜᴛʜ!

Food is taken in or \(\tt\bf\blue{ingested}\) through the mouth.Digestion begins inside your mouth when you chew the food.

The water in your mouth is digestive juice called \(\tt\bf\blue{Saliva}\)

 .

It is secreted by the three pairs of the \(\tt\bf\green{Salivary \: Glands}\) in your mouth.

Chewing breaks down the food into small pieces and mixes it with saliva.This process is called \(\tt\bf\green{Mastification}\)

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~~~~~~~~ᴅɪɢᴇꜱᴛɪᴏɴ ɪɴ ᴛʜᴇ ꜱᴛᴏᴍᴀᴄʜ!

After the food is swallowed, it slides down the pharynx into the \(\tt\bf\purple{Oesophagus}\)

(foodpipe).

The oesophagus leads from your mouth to the stomach.It is made up of muscles.

These muscles gently push food down to your stomach in a wave like action called \(\tt\bf\red{Peristalsis}\)

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ᴀʙꜱᴏʀᴩᴛɪᴏɴ ɪɴ ᴛʜᴇ ꜱᴍᴀʟʟ ɪɴᴛᴇꜱᴛɪɴᴇ!

The digested food is then absorbed by the small intestine. Absorption of the food occurs through thousands of small finger-like projections in the inner wall of the small intestine.

These projections are known as \(\tt\bf\pink{Villi}\) increse the surface area of absorption of digested food.

Each villus has a network of fine blood cappilaries close to the surface.

The food absorbed on the surface of the villus passes into the blood in tge cappilaries.

______________________________________

~~~~~~~~~~~~          ᴀꜱꜱɪᴍɪʟᴀᴛɪᴏɴ!

The food absorbed into the blood is transported to different parts of the body.It is used to provide energy and materials for growth and repair of the body tissues.This is the final stage of digestion and is known as \(\tt\bf\red{Assimilation}\)

______________________________________

~~~~~~~~~~~~             ᴇɢᴇꜱᴛɪᴏɴ!

Not all the food you eat is digeated & absorbed.The food that cannot be digested moves from the small intestine into a wide tube called the \(\tt\bf\green{Large \: Intestine}\)

The waste food is now almost solid is stored in the last part of the large intestine called the \(\tt\bf\green {Spectrum}\)

It then passes away from the body through \(\tt\bf\green{Anus}\)

______________________________________

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1. In passive propagation, as the action potential goes from the start to the end of an axon, it decays or becomes weaker, and it is the most common method of transmitting electrical signals in neurons. 2. It differs from the mode of propagation along the neuron, the action potential is actively propagated along the axon without decay.

A passive signal can be generated by a receptor or by a spike in the membrane potential of an adjacent neuron. In the neuron, an electrical current flows from the dendrite to the cell body, down the axon and into the terminal, causing a change in the potential across the membrane. The current also generates an electrical field that spreads throughout the surrounding tissue, this electrical field, known as the extracellular potential, decays with distance and is much smaller than the intracellular potential. So therefore a passive signal can be detected by electrodes placed outside the neuron.

An action potential is initiated at the axon hillock, propagated along the axon, and terminates at the presynaptic terminal. In the neuron, an electrical current flows from the dendrite to the cell body, down the axon and into the terminal, causing a change in the potential across the membrane. The current also generates an electrical field that spreads throughout the surrounding tissue, this electrical field, known as the extracellular potential, decays with distance and is much smaller than the intracellular potential. So therefore it differs from the mode of propagation along the neuron, the action potential is actively propagated along the axon without decay.

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Answer:

They provide a signaling molecule to begin the signal transduction pathway.

Explanation:

Just took the quiz and got it right.

Access 2021

AP Biology

Insulin injections affect signal transduction in an individual with type 1 diabetes. They provide a signaling molecule to begin the signal transduction pathway.

They allow alternate signaling transduction pathways to control glucose levels. They open channels to allow signaling molecules to enter pancreatic cells. They provide a signaling molecule to begin the signal transduction pathway. They serve as second messengers to regulate glucose uptake by cells.

Type 1 diabetes is caused by destruction of beta cells in the pancreas that produce insulin. They open channels to allow signaling molecules to enter pancreatic cells. They provide a signaling molecule to begin the signal transduction pathway.

Therefore, Insulin injections affect signal transduction in an individual with type 1 diabetes. They provide a signaling molecule to begin the signal transduction pathway.

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In a peer review of a science experiment, the paper claims that an increase of pressure requires a greater additional of thermal energy to change a liquid to a gas.

This is true because pressure affects the boiling point of a liquid and hence the amount of thermal energy required to change a liquid to a gas. This phenomenon is explained by the phase diagram of a substance. A phase diagram is a graphical representation of the relationship between temperature, pressure, and the physical state of a substance. It shows the different states of matter, such as solid, liquid, and gas, that a substance can exist in at different temperatures and pressures. A substance's phase diagram has a curve called the vapor pressure curve.

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The incorrect statement regarding adaptation is "If a trait is adaptive, it will perfectly fit a need that confers an evolutionary advantage."

Adaptation is the process of change in a living organism that makes it more suited to live in its environment. The correct option is D. If a trait is adaptive, it will perfectly fit a need that confers an evolutionary advantage.

Adaptation is the change of a living organism's genetic makeup over time to suit its environment. These genetic changes are due to natural selection. Natural selection is a mechanism in which the living organisms that are better adapted to their environment will have higher chances of surviving and reproducing. They pass on their genes to their offspring, increasing the frequency of these beneficial traits in the population. This process continues over many generations and results in the evolution of new species.

Therefore, adaptation is a gradual process that takes time. Some observed traits may not be adaptive but are simply due to the process of genetic drift. Genetic drift is a mechanism in which the frequency of certain traits changes due to chance events rather than natural selection. Although adaptations may seem to exist for obvious reasons, their presence always needs to be tested. Some traits may have no function or may even be detrimental to an organism's survival but still persist in a population because of chance events. All traits that are observed are not necessarily adaptive. Some traits may be neutral or may have a negative effect on an organism's survival but still persist in a population because of chance events.

At the molecular level, many of the variations among individuals, populations, and species may be selectively neutral. These variations have no effect on an organism's survival and, therefore, are neither advantageous nor disadvantageous. They persist in a population because of chance events rather than natural selection.

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Answer:

but you dont have liek a vid or something how do I observate?

Explanation:

Yellow color is always an adaptive trait in a yellow environment I agree with this claim.

Adaptive trait is defined as an element of the developmental pattern that makes it easier for its carrier to survive and/or reproduce in a succession of different situations.

Any heritable characteristic that enables a plant or animal to survive and procreate in its environment is referred to as an adaptation.

The process of modifying behavior, physiology, or structure to make it more suitable to an environment is known as adaptation.

It might also be described as the condition that a biological population has achieved after enduring modifications or changes.

There are three types of adaptive traits.

Thus, yellow color is always an adaptive trait in a yellow environment I agree with this claim.

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The amount of quarts of water the two new aquariums hold more than the old aquarium is 208 quartz

Since 1 quart is equal to 0.25 gallons, the old aquarium can hold 40/0.25 = 160 gallons of water.

Each of the new aquariums can hold gallons of water, so together they can hold a total of 2 × = 72 gallons of water.

To find how many more quarts of water the two new aquariums hold than the old aquarium, we need to find the difference in the volume of water they can hold in quarts:

72/0.25 - 40 = 288 - 40 = 248 quarts

Therefore, the two new aquariums can hold 248 - 40 = 208 more quarts of water than the old aquarium.

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Fossils appear in the strata in a specific order based on age. The correct option is D

Principle of faunal succession states that fossils appear in rock strata in a specific, predictable order based on the relative ages of the rock layers and the evolutionary relationships of the organisms represented by the fossils.

This principle allows geologists to use the relative ages of rocks and fossils to determine the relative age of other rocks and fossils in the same area and to establish a relative time scale for geologic events.

Therefore, By comparing the sequence of fossils in different rock strata, geologists can determine which strata are younger and which are older, and thus build a chronological framework for the Earth's history.

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Answer:

Thyroid - TSH - Hormone that regulate metabolism

Adrenal- Adrenaline- Makes hormone for fight or flight

Testes- Testosterone- Hormone that controls puberty in males

Pancreas - Insulin- Signals glucose to move out of the blood and into blood cells.

Ovaries- estrogen- hormone that controls puberty in females

The correct answer is: D. A & B (The arctic bacteria and the Lake Michigan bacteria)

The correct answers are:

A. True. The fluid mosaic model describes the high degree of lateral mobility of membrane components and the variation in composition across different portions of the membrane.

D. Na+. Sodium ions (Na+) are least likely to diffuse across a biological membrane without the assistance of specific transport mechanisms.

C. The 25°C culture would have slightly longer chains and more saturated fatty acids than the 40°C culture. Lower temperatures favor longer fatty acid chain lengths and increased saturation.

A. The arctic bacteria. Cholesterol is more likely to be found in the membranes of organisms living in colder environments, such as the arctic, as it helps maintain membrane fluidity in low temperatures.

Therefore, the correct answer is: D. A & B (The arctic bacteria and the Lake Michigan bacteria)

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A flagellum is an organelle that can cause the sperm cell to move (Option B). In eukaryotic cells, flagella are used by cells for motility and chemosensation.

The flagellum is an organelle responsible for cell motility. This structure (flagellum) is structurally composed of a type of filament called microtubules.

A eukaryotic flagellum (plural flagella) consists of nine pairs of microtubule proteins surrounding two central microtubules.

The flagellum is a cylindrical protrusion that allows sperm cells to move. In consequence, sperm cells can swim by using a prominent flagellum known as the axoneme.

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Answer:

f

Explanation:

Answer:

D

Explanation:

The correct answer would be that the origin of all cells can be traced to previous or pre-existing cells.

According to the cell theory which is made up of three parts;

Hence, the discovery that the origin of all cells is traceable to previously existing cells supports the latter part of the cell theory.

The correct option is, therefore, D.

Answer:

This question is incomplete

Explanation:

This question is incomplete because of the absence of the video. However, the addition of sulphuric acid (H₂SO₄) to sugar produces what is known as sugar charcoal through the process of dehydration of the sugar. The process described below should be similar to what is in the video as the process is the same and provides the same result.

When the acid is added, there is a change in the colour of the sugar from white to brown (evidence of initial reaction) and then subsequently black (further change). As the reaction continues, there is an observable increase in size of the sugar (further change and how we know reaction is occurring).

Producers and microorganisms are able to use sulfur the easiest if it is in sulfate form.

Producers and microorganisms are able to use sulfur the easiest if it is in the form of sulfate. Sulfate is a stable and readily available form of sulfur in many environments.

Producers, such as plants, and various microorganisms have the ability to take up sulfate and utilize it in metabolic processes. Sulfate can be converted into organic compounds containing sulfur through enzymatic reactions within these organisms.

While other forms of sulfur like sulfide, sulfhydryl groups, and hydrogen sulfide may also be utilized by specific microorganisms in different contexts, sulfate is generally the most easily accessible and commonly utilized form of sulfur in biological systems.

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because of the help of a living being in the form of plants/algae that enrich oxygen on earth, then after the oxygen is fulfilled, son, then living creatures such as animals, etc. will develop.

The reactions that occurred in early Earth were different from modern Earth due to several factors related to the planet's initial conditions and its subsequent evolution over billions of years.

1. Atmosphere: The early Earth had a drastically different atmosphere compared to the present one. It was primarily composed of gases like methane, ammonia, and water vapor, lacking significant amounts of oxygen. Modern Earth's atmosphere, on the other hand, is predominantly nitrogen and oxygen, with trace amounts of other gases.

2. Temperature: Early Earth was much hotter than it is now due to intense volcanic activity and the planet's heat from its formation. Over time, as the Earth cooled down, the temperatures became more conducive to different chemical reactions.

3. Surface conditions: The early Earth had a more active and geologically dynamic surface with frequent volcanic eruptions, impacting the types of reactions that could occur. Today, the Earth's surface is relatively stable and has developed diverse ecosystems.

4. Availability of elements: The abundance and distribution of elements on early Earth were different, as various geological and cosmic processes have influenced the planet's elemental composition over time.

5. Biological influence: Life itself has significantly impacted the chemical reactions on Earth. Early life forms, such as cyanobacteria, played a vital role in oxygenating the atmosphere through photosynthesis, which led to significant changes in the chemistry of the Planet.

These factors collectively shaped the early Earth's chemical landscape, fostering reactions that were distinct from those observed in the modern Earth we know today. As the planet evolved, so did its chemical and physical processes, leading to the diverse and complex environment we now inhabit.

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Answer:

Falso

Falso.

Cierto

Cierto

Falso

Falso

Cierto.

Explicación:

Todas las células no tenían pared celular. Sabemos que la célula animal es un tipo de célula que solo tiene membrana celular. Las células procariotas se originaron hace aproximadamente 3,5 mil millones de años. Los centríolos son orgánulos cilíndricos, formados por proteínas, que contribuyen en la división celular. El ADN determina las características de un organismo porque el ADN tiene toda la información sobre los organismos. La digestión celular no ocurrió en las mitocondrias. El lugar de la digestión celular son los lisosomas. En la definición de celda, la palabra estructural, se refiere a la composición y forma de la celda. La palabra eucariota significa "núcleo verdadero" y núcleo verdadero significa que la membrana rodea al núcleo.

Answer:15.94 m/s

Explanation:

Apex

Answer:-15.94m/s

Explanation:

Answer:

a change in velocity, a change in direction, or a change in both velocity and direction.

Stabilizing selection, directional selection and disruptive selection are the three types of natural selection.

What are these types of selection?

Natural selection is the process wherein organisms get better adapted to their environments and tend to survive and produce more offsprings. It is basically a mechanism of evolution which favors those organisms that can better adapt to their environment.

Directional selection: this theory states that an extreme phenotype (a characteristic or trait) is favored over other phenotypes and this causes the allele frequency to shift in favor of the extreme phenotype over time. A particular trait, if favorable, will be expressed in the population at the most beneficial frequency.

Stabilizing selection: in this type, meaning a non-extreme trait is favored instead of one of the two extreme traits. Stabilizing selection is said to be the most common mechanism for natural selection, because most traits do not change drastically over time.

Disruptive selection: This selection is bimodal. It favors both of the extreme traits in a population.

So therefore, stabilizing selection, directional selection and disruptive selection are the three types of natural selection.

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Glycolysis is active when cellular energy levels are low; the regulatory enzyme, phosphofructokinase, is inhibited by ATP.

Glycolysis is a metabolic pathway that occurs in the cytoplasm of cells and is the initial step in the breakdown of glucose to produce energy in the form of ATP (adenosine triphosphate). It is a universal pathway found in both aerobic and anaerobic organisms.

During glycolysis, a molecule of glucose, which contains six carbon atoms, is converted into two molecules of pyruvate, each containing three carbon atoms. The process consists of a series of ten enzymatic reactions, each catalyzed by a specific enzyme. In aerobic conditions, pyruvate can be further oxidized in the mitochondria through the citric acid cycle and oxidative phosphorylation, while in anaerobic conditions, it can undergo fermentation to produce lactic acid or ethanol.

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Answer: 1 is Tall, because it is TT  2 is tall because it is Tt 3 is Tall because it is Tt and 4 is short because it is tt

Explanation:

1 is because there is 2 dominants TT which makes it go to the trait Tall, same with 1 - 3 since they are Tt, the dominant trait will show for 1 - 3. They are all genotypes because it is a physical trait that you can see because there tall and short

Asbestos is a material that has been used in various industries for decades, and it can be found in many products, including insulation, roofing materials, and floor tiles. Asbestos is a known carcinogen, and if it is disturbed or left to decay, it can release small fibers into the air, which can be inhaled.

Asbestos can also be ingested if particles enter drinking water, and if asbestos-containing paint is disturbed, particles can be released into the air, which can be ingested. Asbestos fibers can also be ingested if they come into contact with food.

In all cases, these fibers can cause serious health complications, including mesothelioma, lung cancer, and asbestosis. It is important to take precautions to avoid exposure to asbestos, such as wearing protective gear in areas where asbestos is present and having any materials containing asbestos inspected and professionally removed.

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The antenna complex in a photosystem is a vital component of photosynthesis in plants and other photosynthetic organisms. The role of the antenna complex in a photosystem is to absorb light and transport the energy to the reaction center.

The antenna complex collects light energy from the surrounding environment and passes it on to the reaction center. The antenna complex consists of a variety of light-absorbing pigments and proteins that are arranged in a precise architecture.

The pigments absorb light at different wavelengths and transfer the energy to the reaction center. This energy is then used to split water molecules into protons and electrons, which are used in the production of ATP and NADPH.

The antenna complex is essential for photosynthesis as it is responsible for collecting and transporting the energy from the environment to the reaction center. Without the antenna complex, the reaction center would not be able to function correctly, and the photosynthetic process would not be able to take place.

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Answer:

1300

Explanation:

(4550m)/(3.5m/s)=1300sec

the meters cancel out leaving you with a unit of seconds.