Many processes occur in the digestive system .which process is best classified as a physical change
Answers
Answer:
This question lacks options, the options are:
A) Saliva converting the starch molecules in crackers into simple sugars
B) Digestive enzymes breaking down proteins into smaller fragments
C) bacteria converting lactose into simple sugars in the intestines
D) teeth grinding an almond into smaller pieces in the mouth
The answer is D
Explanation:
A physical change is a change that occurs to a substance without altering its chemical composition. A physical change involved a change in the substance's shape, texture, color, state etc. but not the chemical content of such substances.
In this question involving the processes that occur in digestion, a typical example of physical change is "teeth grinding an almond into smaller pieces in the mouth" because the teeth only changes the shape and texture of the almond. It does not affect the chemical composition of the almond fruit. This is also called mechanical digestion.
Note that, other options involving digestive enzymes breakdown are chemical changes because the enzymes breakdown the chemical components of each substance.
Answer: D
Explanation: because you are breaking down food in a physical change
Related Questions
Why does dew usually form at night rather than during the day?
Plants take up more water than they can hold at night, and it comes out of their leaves.
The lack of sunlight at night cools the air and causes water vapor to condense as dew.
There is no water vapor in the air at night because evaporation cannot occur in the dark.
Gravity pulls water vapor out of the air at night, but sunlight acts against it during the day.
Answers
During the night, when temperatures decrease and items chill, dew is most prone to occur. But when a dew point was achieved, dew can form.
Why does it rain so much at night?The temperature must drop to the dewpoint in order for condensation to occur.Second, the dew frequently gets its moisture from the soil.Even as soil cools over night, dew will form more easily in warm, damp soils.Condensation will be produced during the night by the cooling of warm, damp soil, especially on moonless days.
When does dew start to form at night?Dew forms on the grass inside the morning due to the dew point temperature.The dew point is also most most likely to be reached in the early morning, immediately before sunrise, when the air temperature is at its lowest for the day.
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Which of the following organelles are matched together with the correct energy conversion that they perform? Mitochondria: Chemorespiration Chloroplast: Cell Division Mitochondria: Chemorespiration, , Chloroplast: Cell Division, Mitochondria: Cellular Respiration Chloroplast: Photosynthesis Mitochondria: Cellular Respiration, , Chloroplast: Photosynthesis, Mitochondria: Chemosynthesis Chloroplast: Photorespiration Mitochondria: Chemosynthesis, , Chloroplast: Photorespiration, Mitochondria: Photosynthesis Chloroplast: Cellular Respiration
Answers
Chloroplast: photosynthesis
ASAP PLS
Which organism has a distinct central nervous system? 1. starfish 2. jellyfish 3. crayfish 4. clam
Answers
A creature with a distinctive central nervous system is the crayfish. In crayfish, the intersegmental axon cables that connect the segmental ganglia form the central nervous system.
What does a human body's organism mean?Millions of minuscule living things, collectively known as the human microbiota, live inside each and every cell of the body. Microbes known as bacteria are most frequently found in the gut, nose, and mouth.
A living thing can it survive on its own?The interaction between different creatures and their surroundings is a topic of study in the ecology of organisms. An individual must rely on other living organisms and the underlying physical environment in order to survive; they cannot exist entirely in isolation from other similar species.
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Where is the first place Peter Sagal visits in the video after buying his motorcycle?
2. Do you think the government goes too far in regulating the lives of Americans? Explain your answer.
3. How does Nevada (Las Vegas) demonstrate federalism?
Answers
Answer:
i dont know why ypu asking?
Prior to drawing blood for a blood donation, the nurse will scrub the arm with a Betadine solution. This form of antimicrobial control would be called __________.
A. antisepsis B. disinfection C. sterilization D. sanitization
Answers
The form of antimicrobial control described in the scenario, where the nurse scrubs the arm with a Betadine solution prior to drawing blood, would be called: A. antisepsis.
Antisepsis refers to the use of antiseptic agents to inhibit or kill microorganisms on living tissues, such as the skin.
The purpose of using an antiseptic, such as Betadine solution (povidone-iodine), is to reduce the number of potentially harmful microorganisms present on the skin surface before a medical procedure.
Antisepsis differs from other forms of antimicrobial control:
B. Disinfection: Disinfection involves the use of antimicrobial agents to kill or reduce the number of microorganisms on inanimate objects or surfaces. It is typically used to disinfect medical equipment, surfaces, or instruments.
C. Sterilization: Sterilization is a procedure that eradicates or eliminates all types of microorganisms, such as bacteria, viruses, fungi, and spores, effectively eliminating their presence and viability. Sterilization methods are used to ensure the complete absence of viable microorganisms on objects or surfaces.
D. Sanitization: Sanitization refers to the process of reducing the number of microorganisms on surfaces to a safe and acceptable level, according to public health standards. It aims to lower the risk of infection but does not guarantee complete elimination of all microorganisms.
In the given scenario, the nurse is using an antiseptic solution (Betadine) to cleanse the arm and reduce the number of microorganisms on the skin before the blood donation procedure.
This falls under the category of antisepsis, as it targets living tissues to prevent or minimize the risk of infection during the procedure.
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The sex cells produced through meiosis each have _____.
a single chromosome from the original cell
one chromosome from each pair in the original cell
half of the chromosome pairs from the original cell
pairs of chromosomes identical to the original cell
Answers
Hope this helps! Please give brainliest! ❤️
Enrique made a list of things he needed from the store. He listed all of the fruits, then the dairy, and finally, some household cleaning items. Enrique’s list is an example of a __________.
A.
semantic network
B.
conceptual hierarchy
C.
schema
D.
concept
Answers
Answer:
B. conceptual hierarchy
Explanation:
Enrique made a list of things he needed from the store. He listed all of the fruits, then the dairy, and finally, some household cleaning items. Enrique’s list is an example of a conceptual hierarchy.
The person above me is correct.
Edgenunity 2021
Concept hierarchy is the process of classifying information or concepts into a hierarchy or a particular partial order. It is used to define knowledge in a concise, high-level manner and to make it possible to mine that knowledge at various levels of abstraction. Thus, option B is correct.
What is the importance of conceptual hierarchy?Data can be transformed into various granularity levels using the notion of hierarchies. For instance, sales patterns related to particular areas or nations as well as specific branch locations may be discovered using data mining.
Therefore, Enrique made a list of things he needed from the store.He named every fruit, followed by every dairy product, and then a few things for cleaning the house. Enrique’s list is an example of a( conceptual hierarchy)
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Your friend has invited you onto her family’s boat for a day of fishing. After lunch on the boat, your friend wants to throw a bag of trash overboard. After researching the impact currents have on objects, explain what you would do in this situation and why.
Answers
Identify one of the leadership values you would like to develop further over the course of the next year and propose an improvement plan (tasks, dates, measures of progress). Your plan should be specific, measurable, achievable, relavant and time bound. Leadership values are discussed in Chapter 7 of the text and you can find examples and lists through your own research. These values tend to define your "personal character" or "personal brand" and should be consistent with you actions and behaviour. Examples would include: honesty, hardworking, trustworthy, ethical, loyal, persistent, optimistic, motivating, encouraging, brave, caring, respectful, give and take responsibility, admit to mistakes and learn, accountable, reliable, keep promises, listen and coach others, take initiative, proactive, maintain stamina, positive attitude, etc.
Answers
By following this improvement plan,one can aim to develop and enhance my empathy as a leadership value over the next year.
One leadership value I would like to develop further over the course of the next year is empathy. Empathy is a crucial leadership trait that involves understanding and sharing the feelings of others. It allows leaders to connect with their team members on a deeper level, foster positive relationships, and create a supportive work environment.
Improvement Plan for Developing Empathy:
Research and Study: (July - August): Read books and articles on empathy and its importance in leadership.Attend webinars or workshops focused on developing empathy skills.Engage in discussions with colleagues or mentors who possess strong empathetic qualities.Self-Assessment: (September): Reflect on my current level of empathy and identify areas for improvement.Evaluate past interactions with team members to identify instances where empathy could have been enhanced.Take note of personal biases or preconceptions that may hinder empathetic responses.Active Listening: (October - November): Practice active listening skills, focusing on truly understanding others without interrupting or judging. Demonstrate genuine interest in others' thoughts, feelings, and perspectives. Engage in conversations where I actively seek to understand rather than merely respond.Emotional Intelligence Development: (December - January): Enhance emotional intelligence by recognizing and managing my own emotions effectively. Develop a better understanding of how emotions impact the behavior and well-being of others. Explore strategies for regulating emotions and responding empathetically in challenging situations.Perspective-Taking: (February - March): Put myself in others' shoes to gain a deeper understanding of their experiences, challenges, and motivations.Seek opportunities to learn about the diverse backgrounds and perspectives of team members. Encourage open dialogue and create a safe space for team members to share their thoughts and feelings.Feedback and Reflection: (April - May): Seek feedback from colleagues, team members, and mentors regarding my progress in demonstrating empathy. Reflect on my interactions and evaluate how well I have applied empathy in different situations. Make adjustments based on feedback and continue to refine my empathetic approach.Measures of Progress: Regularly self-assess my empathetic responses and behaviors. Seek feedback from team members regarding their perception of my empathy. Notice an increase in open and honest communication within the team. Observe improved trust, engagement, and satisfaction among team members. Evaluate the frequency and quality of personal connections and relationships established with team members.By following this improvement plan,one can aim to develop and enhance my empathy as a leadership value over the next year.
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Explain in your own words what is meant by one of the diagrams below, you only need to choose 1 to talk about. Share as much detail as you can.
Answers
The T-Rex diagram relates to the evolution of species on planet Earth.
The following images are shown in this diagram:
A T-Rex dinosaurA drawing of the planet EarthA drawing of grassA drawing of a cowA drawing of a humanThese 5 pictures can be related to finding the main message of the diagram. This diagram can be interpreted as the evolution of species on planet Earth because a dinosaur is shown first, a species that lived millions of years ago.
An image of the Earth is then displayed showing the familiar shape of the continents to demonstrate evolution on the Earth's surface.
Then show the grass because this represents the evolution of plant species that were expanding throughout most of the Earth.
Subsequently, a cow is shown as an example of the mammalian animals that exist today and finally the human who is the product of various evolutionary processes that resulted in the society and the world that we know today.
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Research two endangered species. And it needs the location and 3 interesting facts . Oh and species name
Please helppp
Answers
Answer:
Bald Eagle and Giant Panda
Explanation:
Bald Eagle-
Location- North America (United States and Northern Mexico)
Facts-
1. Some bald eagle's nests can weigh as much as 2000 pounds!
2. They live around 20 to 30 years old in the wild.
3. The largest bald eagles tend to live in Alaska where they sometimes weigh as much as 17 pounds
Giant Panda-
Location- South Central China
Facts-
1. Pandas eat consistently for 12-14 hours a day
2. Like other bears, pandas can swim
3. “Giant panda” is actually just a nickname for a panda; they are no specifically larger than others.
4. A membrane-bound organelle that contains DNA. A. Cell membrane B.
Chloroplast C. DNA D. Nucleus E. Cytoplasm F. Cell wall *
Answers
Answer:
nucleus
Explanation:
vegetative cells directly exposed to normal room air gradually become dehydrated or ______.
Answers
Vegetative cells directly exposed to normal room air gradually become dehydrated or Dessicated.
Directly exposed vegetative cells at ambient temperature progressively get dehydrated. Instantaneous freezing of pure cultures in a water-free environment prevents the growth of ice crystals. Desiccation, which is used to inhibit microbial development, is the condition of extreme dryness or the act of excessive drying.
Microfiltration. By the permeation of a microporous medium, such as a polymeric or inorganic membrane filter, MF enables the removal of particles or biological substances from liquid solutions and fluids in the size range of 0.025 m to 10.0 m. Autoclaves. In autoclaves, moist heat sterilization is used. They are used to sterilize objects like surgical equipment from vegetative cells, viruses, and notably endospores, which are to survive, by raising temperatures over the boiling point of water.
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easy 20 points 1 quest
Answers
D, energy is transferred from producers to consumers
Explanation: Consumers, well, consume producers so that they can get energy. Therefore, the answer is D.
happy to help, have a great day! :)
what is photosyithis
Answers
Answer:
The process of making food in the presence of water and sunlight is called photosynthesis..
hope this help you
Your friend performed an experiment and reported that his hypothesis was proven by his dala,
this wrong? EXPLAIN!!!
Answers
Answer:
An expirement must have a variable! :) hope this help, have a good day!!
Explanation:
After a large disturbance, pioneer species often appear in this order.
Answers
After a large disturbance, species use to appear again in the area from organisms with lower metabolic needs than organisms with highers. In this orders of ideas, we can say that first, there would be prokaryotes or protists; second, non-vascular plants, and at third, vascular plants, as stated in the last answer option.
why does the activation of m-cdk begin abruptly?
Answers
The activation of M-Cdk begins abruptly to ensure precise timing and coordination of events during the cell cycle.
The activation of M-Cdk, which drives the cell into the M-phase or mitosis, occurs abruptly to ensure proper timing and coordination of cell cycle events. The cell cycle is a tightly regulated process that progresses through distinct phases, including interphase (G1, S, and G2) and mitosis (M phase). The transition from interphase to mitosis needs to be precisely controlled to avoid errors in chromosome segregation and other critical processes.
The abrupt activation of M-Cdk is regulated by several mechanisms. One important factor is the accumulation and activation of cyclin proteins, which bind to and activate Cdk proteins. The abrupt increase in cyclin levels during the cell cycle triggers the activation of M-Cdk, initiating the transition to mitosis. Additionally, the phosphorylation and dephosphorylation of specific sites on Cdk proteins also play a role in their activation. The synchronized accumulation of cyclins and the timely phosphorylation events ensure that M-Cdk becomes active abruptly, promoting the proper progression of the cell cycle and preventing premature entry into mitosis.
Overall, the abrupt activation of M-Cdk is crucial for maintaining the precise timing and coordination of events during the cell cycle, ensuring accurate chromosome segregation and cell division.
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In your own words, explain how the planets Venus and Mercury can be located in the night sky.
Answers
Answer:
After you've spotted Venus in evening twilight, look just to its right for Mercury, assuming you live north of the equator. If you live south of the equator, look below and to the left of Venus.
Explanation:
Answer:
draw line with your mind's eye between Venus in the Sunset Point Mercury will be along that line below Venus near the Sunset Point then watching the coming evenings as mercury ascendant evening Sky while Venus descends toward its June 3rd passage between the Earth and Sun
Select the TRUE statements about blood flow during ventricular systole and diastole of a single cardiac cycle.
A. the amount of blood flowing from arteries into arterioles is greater in ventricular diastole than in systole.
B. the amount of blood ejected from the heart in systole is greater than the amount of blood leaving the arteries in systole
C. the blood volume leaving arteries in systole plus the volume leaving arteries in diastole equals the volume ejected from the heart in systole.
D. the amount of blood leaving the arteries in systole is greater than the amount of blood leaving the arteries during diastole.
Answers
The true statements about blood flow during ventricular systole and diastole are as follows: B) the amount of blood ejected from the heart in systole is greater ).
During ventricular systole, the ventricles of the heart contract, leading to the ejection of blood into the arteries. Statement B is true because the amount of blood ejected from the heart during systole is known as the stroke volume, and it is typically greater than the amount of blood leaving the arteries in systole. This is because not all blood in the arteries is ejected during systole, and some blood remains in the arteries.
During ventricular diastole, the ventricles relax, allowing blood to flow from the arteries into the arterioles. Statement D is true because the amount of blood leaving the arteries in systole is greater than the amount of blood leaving the arteries during diastole. This is because during systole, blood is actively propelled into the arterioles by the contraction of the ventricles, resulting in a higher flow rate compared to the passive flow during diastole.
Statement A is false because the amount of blood flowing from arteries into arterioles is generally greater in ventricular systole than in diastole due to the active ejection of blood during systole.
Statement C is also false because the blood volume leaving the arteries in systole plus the volume leaving the arteries in diastole does not necessarily equal the volume ejected from the heart in systole. Some blood may remain in the arteries during diastole, and the ejection fraction (the ratio of stroke volume to end-diastolic volume) determines the fraction of blood ejected from the heart during systole.
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question 1 1. what effect did repeating the exercise over time have on the muscles used?
Answers
Repeating the exercise over time caused the muscles used to become stronger and more efficient at performing the exercise.
When we repeat an exercise over time, our muscles adapt to the movement and become stronger. This is known as the principle of progressive overload.
Our muscles are made up of fibers, and when we exercise, we create tiny tears in these fibers. As our body repairs these tears, our muscles become stronger and more efficient at performing the exercise.
This is why it is important to gradually increase the intensity of our workouts over time, to continue challenging our muscles and promoting growth and strength.
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how do the grants' data show that genetic variation if important in survival of a species
Answers
Grants' data has shown that genetic variation is important in the survival of a species because it allows for adaptation to changing environmental conditions.
A species with low genetic variation is less likely to be able to adapt to changes, making it more vulnerable to extinction. In contrast, a species with high genetic variation has a greater chance of producing individuals with traits that are better suited to survive and reproduce in changing environments. This allows for the species to continue to evolve and thrive.
This led to higher survival and reproduction rates for those with advantageous traits, ultimately enhancing the species' overall fitness. In conclusion, genetic variation within a species is vital for adaptation, ensuring its continued survival in changing environments.
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Cellular projections, composed primatily of microtubules on the surface of pseudostratified columnar epithellum, serving to move substances across the cell surface are known as
Answers
The cellular projections composed primarily of microtubules on the surface of pseudostratified columnar epithelium, serving to move substances across the cell surface, are known as cilia.
Cilia are slender, hair-like structures found on the apical surface of certain epithelial cells. They consist of a core structure called the axoneme, which is made up of microtubules arranged in a specific pattern.
The microtubules within cilia are organized in a "9+2" arrangement, meaning there are nine outer doublet microtubules surrounding a central pair of microtubules. The coordinated beating or movement of cilia facilitates the movement of substances across the cell surface.
In the respiratory tract, for example, the coordinated movement of cilia helps to propel mucus and trapped particles out of the airways, aiding in the removal of debris and maintaining respiratory health. In the female reproductive system, cilia on the surface of the fallopian tubes help to move the egg towards the uterus.
In conclusion, cilia are the cellular projections composed primarily of microtubules on the surface of pseudostratified columnar epithelium that serve to move substances across the cell surface. Their coordinated movement plays important roles in various physiological processes and helps maintain the proper function of specific organs and tissues.
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what is the order of the distances of the terrestrial planets from the sun, from farthest to closest?
Answers
Answer:
The order of planets from closest to farthest from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.
Help please, I know the explanation but I need the answer.
Answers
Answer:
B
Explanation:
Instead of a brown bear, in the taxonomy example in the lesson, let's say we had a giant panda. Which taxa would change? Find out what they would change to and report your findings here.
Answers
Hello, given below is the answer:-
A bear belongs to the phylum Chordata (because it has a spine), the class Mammalia (mammals have many distinguishing characteristics, including hair and producing milk for their young), the order Carnivora (will usually eat meat--some bears are exceptions in this category), the family Ursidae (the bear family of animals). The genus and species are the particular type of bear, in this case, let's say it's a brown bear. So our genus would be Ursus, and our species would be arctos. Yes. I think so it's like that only.
Hope it helps you...Answered by Benjemin
A bear belongs to Phulum chordata.
Thank you
What is the best environment for a house plant? Why?
Answers
Answer:
Warm and humid
For a trait that is X-linked, recessive, and controlled by complete dominance, an individual with the genotype XnXn (little n, little n) would be represented in a pedigree as a (an)
Answers
For a trait that is X-linked, recessive, and controlled by complete dominance, an individual with the genotype XnXn (little n, little n) would be represented in a pedigree as an open square.
What is an X-linked trait?An X-linked trait is any phenotypic feature controlled by one or more genes located on the X chromosomes (it is a sex chromosome).
Moreover, a character that exhibits complete dominance is associated with an allele that completely masks the expression of the recessive allele in heterozygous organisms.
In conclusion, for a trait that is X-linked, recessive, and controlled by complete dominance, an individual with the genotype XnXn (little n, little n) would be represented in a pedigree as an open square.
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PLS HELP ASAP 4 EXAM Which field of biology has caused
some ethical concerns?
A. biotechnology
B. ecology
C. molecular biology
D. evolution of disease
Answers
Answer:
D. evolution of disease
Explanation:
Biotechnology's growth and regulation has sparked debate in a variety of academic disciplines, including economics, law, politics, and even history. The genetic engineering of living cells, plants, animals, and humans, in particular, has raised ethical concerns.
OAmalOHopeO
If a person has type B blood, which statement describes the antibodies present in his or her blood?
Answers
Only anti-A antibodies are present.