Please hurry. Which of the following examples includes only chemical changes that occur in the digestive process?
A: Absorption of nutrients by villi in the small intestines
B: Chewing and swallowing food
C:Recycling of water from dissolved food back into the body
D: Reaction of saliva, stomach acid, bile, and pancreatic juices with food
The example that includes only chemical changes that occur in the digestive process is the reaction of saliva, stomach acid, bile, and pancreatic juices with food. Option D.
What are chemical changes?Chemical changes refer to changes to the chemical properties of substances. In biological reactions, these substances are referred to as reactants.
Chemical changes are different from physical changes. In physical changes, only the physical properties of substances are altered while their chemical properties remain intact.
When a substance changes chemically, its physical properties most often change along. However, this is not in all cases.
Thus, looking at the examples given, their classification into either physical or chemical changes is as follows:
Absorption of nutrients by villi in the small intestines: physical changeChewing and swallowing food: physical changeRecycling of water from dissolved food back into the body: physical changeThe reaction of saliva, stomach acid, bile, and pancreatic juices with food.When saliva, stomach acid, bile, and pancreatic juices react with food, the chemical properties of food change because the enzymes convert different components of food from one form to another as part of the process of digestion.
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What organism that does photosynthesis will you have in your aquaponics system?
Hello! In an aquaponics system, you can have various organisms that perform photosynthesis, such as algae, duckweed, and aquatic plants like watercress, lettuce, and basil. These organisms are important in the system as they convert carbon dioxide into oxygen, which is essential for the survival of the fish in the system. Additionally, they also help in removing excess nutrients from the water, thereby improving water quality.
who is the third consumer of this food web
Answer:
The grizzly bear and red tailed hawk!
Which gases contribute to the greenhouse effect?
nitrogen and helium
carbon dioxide and methane
carbon dioxide and helium
nitrogen and methane
Answer:
carbon dioxide and methane
Explanation:
there are the gasses that contribute to the greenhouse effect the most
The gases that contribute to the greenhouse effect are carbon dioxide and methane. Details about greenhouse effect can be found below.
What is greenhouse effect?Greenhouse effect refers to the process by which a planet is warmed by its atmosphere.
Greenhouse effect is also called global warming and is caused by the release of greenhouse gases into the atmosphere.
Greenhouse gases that contribute to the greenhouse effect are as follows:
ChlorofluorocarbonsMethaneCarbon dioxideTherefore, the gases that contribute to the greenhouse effect are carbon dioxide and methane.
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A white woman says she is not racist but avoids sitting near Black individuals. She has
A.high explicit racism, low implicit racism
B.high explicit racism, high implicit racism
C.low explicit racism, low implicit racism
D.low explicit racism, high implicit racis
Finally, look at the Punnett square again and write the numbers of offspring with each phenotype.
We have a dihybrid cross, that is to say, we are working with two alleles, color, and seed type, R for round seeds, r for wrinkled, P for purple, and p for white.
The genotype proportions represented in the image are
PPRr: 4-----Purple, round
PPRR: 2-----Purple, round
PPrr: 2------ Purple, wrinkled
ppRr: 4----- White, round
ppRR: 2----- White, round
pprr: 2-------White, wrinkled
Therefore the phenotypic frequencies are
Purple flowers, round seeds: 4+2= 6
Purple flowers, wrinkled seeds: 2
White flowers, round seeds: 4+2=6
White flowers, wrinkled seeds: 2
How do the circulatory, respiratory and digestive systems work together to support the process of cellular respiration to maintain homeostasis in cells?
The circulatory and respiratory systems work together to maintain homeostasis. The respiratory system moves gases into and out of the blood while the circulatory system moves blood to all parts of the body. The circulatory system deliver oxygen-rich blood to the bones while the bones are making new blood cells. These system maintain internal stability and balance.
The digestive system breaks down the food into molecules. In cellular respiration, plants and animals convert those food molecules into a form of energy that they can use. It contain. The presence of bacterial flora in the intestine are needed to maintain homeostasis in the body by producing vitamins such as biotin and vitamin K and guard the system so that harmful bacteria will not be able to enter.
Helpppppppp plsss it’s due at 11:59
The component of a vaccine that makes it effective is the antigen.
What is a Vaccine?
A vaccine is a biological preparation that induces active acquired immunity to a specific disease. It contains an agent that resembles an infective microorganism and is frequently composed of weakened or killed forms of the microbe, its toxins, or one of its surface proteins. Vaccines are intended to stimulate the body's own immune system in order to protect the individual from future infection or disease.
11) An antigen is a substance that causes the body to produce antibodies when it enters the body. These antibodies help the body recognize and fight the antigen if it enters the body again.
12) A vaccination is a way of introducing a weakened or killed version of a particular virus, bacteria, or toxin into the body. This weak or dead version of the virus, bacteria, or toxin stimulates the body's natural defense system to produce antibodies that are specific to that virus, bacteria, or toxin. These antibodies can then recognize and fight off the real virus, bacteria, or toxin if the body is ever exposed to it, thus preventing the individual from getting the disease. This is known as active immunity. The immunity created by the vaccination is typically long-lasting, and in many cases, lifelong.
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Which organic “molecule of life” is NOT considered a macronutrient?
Proteins
Fats
Nucleic acids
Sugars
Answer:Nucleic acids
Explanation:
What would be the most likely result if humans stopped burning fossil fuels?
A. Greenhouse gases levels would decrease
B. The polar ice caps would melt more quickly
C. There would be less oxygen in the atmosphere
D. Global warming would increase
Answer:
A. Greenhouse gases levels would decrease.
Explanation:
Hope this helps!
Answer:
A. Greenhouse gases levels would decrease
Explanation:
Burning fossil fuels like coal, oil and natural gas for energy releases greenhouse gases like carbon dioxide and methane into the atmosphere. These greenhouse gases contribute to global warming by trapping heat in the atmosphere. If humans stopped burning fossil fuels, it would dramatically reduce the amount of new greenhouse gases being emitted. This would allow atmospheric greenhouse gas levels to gradually decrease over time as natural processes absorbed some of the excess gases.
The other answers are not likely results:
B. The polar ice caps would melt more quickly - Stopping fossil fuel combustion would actually help slow the melting of polar ice caps by reducing global warming.
C. There would be less oxygen in the atmosphere - Fossil fuel combustion does not significantly impact atmospheric oxygen levels.
D. Global warming would increase - Ending fossil fuel use would lead to less global warming in the long run by reducing greenhouse gas emissions.
So in summary, the most immediate and likely result of humans stopping fossil fuel combustion would be decreasing levels of greenhouse gases in the atmosphere, as option A states. This would then help slow climate change impacts like polar ice melting.
Question List
Which describes the importance of taxonomy?
enables scientists to organize large amounts of information
enables scientists to communicate scientific information
provides basic understanding about the components of biodiversity
all of the above
All of the above describes the importance of taxonomy. Therefore, option (D) is correct.
What is taxonomy?Taxonomy is the science of classifying and naming organisms. It involves grouping organisms based on shared characteristics and assigning them scientific names according to established rules.
Taxonomy helps scientists to understand the relationships between different species and to organize and communicate information about the diversity of life on Earth. It provides a system for classifying and naming organisms that is widely used in biology and is essential for understanding the diversity of life on our planet.
In taxonomy, organisms are classified into a hierarchical system of categories, starting with the broadest (kingdom) and becoming more specific (phylum, class, order, family, genus, species). Each organism is assigned a scientific name consisting of two parts: the genus and the species. The genus is the first part of the scientific name, and the species is the second part. Together, these two parts form the unique scientific name for each organism
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Chemicals that help chemical reactions occur faster rates in living organisms are known as
Whale belongs to which class of kingdom animalia?
Answer:
Mammalia is the class of Whale.
Sodium is pushed into the cell by electrostatic and _ pressures
-the answer is 17 letters long
Osmotic Pressure is your answer.
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an electric mixer is used for heat or used for movement?
Answer:
beat
Explanation:
tell me i'm wrong
Explain the limitation binomial nominclature (15 marks)
Answer:
- Binomial nomenclature is a widely accepted naming system, which is used in the naming of living things. Multiple native names make it extraordinarily tough to establish an organism globally and maintain an observation of the variety of species. Thus, it creates quite a lot of confusion. To eliminate this confusion, a normal protocol came up. According to it, every organism would have one scientific title which might be utilized by everybody to establish an organism.
What is binomial nomenclature?
Binomial Nomenclature follows a universally accepted naming system, which is used to provide a scientific name to a known organism.
Binomial Nomenclature also known as the binary nomenclature.
It uses two-terms during the nomenclature of a specie (plants, animals, and living organisms) that is why it called two-term naming system.
The scientific name of an organism or binomial nomenclature consists of two words, such as the generic epithet and describes the genus and the specific epithet and refers to the species of the organism.
Both of this term is written in italic and the genus name is capitalized.
Binomial nomenclature was given by Swedish botanist and physician Carl Linnaeus. He also called the founder of modern taxonomy.
Carl Linnaeus described and classified thousands of species of plants and animals in his book Systema Naturae.In this technique, there are particular guidelines that are followed while naming organisms. This normal algorithm is relevant to plants and animals whereas giving them distinctive names inside a given system.There are two worldwide codes such as the International Code of Botanical Nomenclature (ICBN) deal with the biological nomenclature for plants and the International Code of Zoological Nomenclature (ICZN) deal with the biological nomenclature of animals.
These two codes agreed upon by all of the biologists over the world for the naming protocol. These codes ensure that every organism will get a selected identity and that identity is globally recognized.
Summary of the limitation binomial nominclature:
- Some of the main drawbacks of binomial nomenclature are: If two or more names are actually in use in compliance with the priority rule, the appropriate name will be used first and the other names will end up being synonyms because authenticity is synonymous with the senior.
How would altering the ph of an ecosystem affect the organisms that live there? Relate to enzyme function.
In your response include why slight changes in pH are significant to living things.
Answer:
pH: Each enzyme has an optimum pH range. Changing the pH outside of this range will slow enzyme activity. Extreme pH values can cause enzymes to denature. Enzyme concentration: Increasing enzyme concentration will speed up the reaction, as long as there is substrate available to bind to.
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Which of the following relationships may present harm to one of the organisms involved?
I. Commensalism
II. Parasitism
III. Predation
IV. Mutualism
(A) I and II only
(B) I and IV only
(C) II and III only
(D) III and IV only
Answer:
C
Explanation:
Predator-Prey relationship
calculate the kinetic energy of a dodgeball that has a mass of 2 kg and velocity of 4 m/s after being thrown
Answer:
Kinetic energy of dodgeball = 16 kg-m/s
Explanation:
Given:
Mass of dodgeball = 2 kg
Velocity of dodgeball = 4 m/s
Find:
Kinetic energy of dodgeball
Computation:
Kinetic energy = (1/2)(m)(v²)
Kinetic energy of dodgeball = (1/2)(Mass of dodgeball)(Velocity of dodgeball²)
Kinetic energy of dodgeball = (1/2)(2)(4²)
Kinetic energy of dodgeball = (1/2)(2)(16)
Kinetic energy of dodgeball = (32/2)
Kinetic energy of dodgeball = 16 kg-m/s
Which process forms salt beds?
a. deposition
b. cementation
c. evaporation
d. lithification
Answer:
Your answer is C,Evaporation
Explanation:
It is typically formed by the evaporation of salty water (such as sea water) which contains dissolved Na+ and Cl- ions. ... One finds rock salt deposits ringing dry lake beds, inland marginal seas, and enclosed bays and estuaries in arid regions of the world.
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n an area of low barometric pressure, what kind of weather should one expect?
*
1 point
Captionless Image
A cloudy day
A clear day
A drought
Barometric pressure doesn’t influence the weather
What is the role of countries in the Island ecosystem
Answer:
As resource depletion is a major issue on islands, the needs of human populations must also be taken into account. On many islands, scientists and managers are studying traditional practices of indigenous populations as potential conservation solutions. In some cases, limited-take systems that serve the community may provide a better alternative to fully closed protected areas, if there are not enough resources for proper enforcement.[26] Public education plays an important role.
Explanation:
Since island ecosystems are self-contained, it should be possible to mitigate many of the threats to species. Ecologists and managers are working together to prioritize areas for conservation and to quickly design and implement action plans. Not everything can be put into a reserve, so it is important to first compile pertinent information and prioritize areas of concern.[22] Once an area has been chosen, managers must then acquire ownership and gain support. Local experts and indigenous populations should also be involved in this process.[22] Having clearly defined goals will facilitate the many necessary interactions between people and agencies.[22] Once a reserve is in place, managers can then practice adaptive management and do continued community education.
Question 1 A heterozygous yellow-seeded plant is crossed with a homozygous yellow seeded plant. i. ii. Question 2 Complete the punnet square and write the genotypic and phenotypic ration for the possible offsprings. (3 marks) Genotypic ration Phenotypic ration What is the probability of having a pure breeding green seeded offsprings (2 marks) What is the probability of having a yellow-seeded plant in F2 generation, when a true breeder from F1 is crossed with a non-true breeding yellow seeded plant? (2 marks)
Answer:
Explanation:
To solve this problem, let's represent the heterozygous yellow-seeded plant as "Yy" and the homozygous yellow-seeded plant as "YY."
i. When crossing a heterozygous yellow-seeded plant (Yy) with a homozygous yellow-seeded plant (YY), we can set up a Punnett square to determine the possible offspring genotypes:
Y Y
y Yy Yy
y YY YY
ii. The genotypic ratio is 2:2 or 1:1 for the possible offspring genotypes: Yy and YY.
The phenotypic ratio is also 2:2 or 1:1 for the possible offspring phenotypes: yellow-seeded (YY and Yy).
Question 2:
To determine the probability of specific outcomes, we need additional information about the parental genotypes and their inheritance patterns. Please provide the genotypes of the true breeder from F1 and the non-true breeding yellow-seeded plant for a more accurate calculation.
30. The entire molecule shown in the diagram below is the building block for RNA and is called a(n)
Phosphate
group
Nitrogen
bose
Suga
O pyrimidine.
O amino acid.
O polysaccharide.
O nucleotide.
Answer:
Nitrogen Base/Nucleotide
Another term(not an animal) that can be used to describe a 2nd level consumer is ...
When prokaryotic cells copy their DNA, replication
begins at
O A. a single point on the chromosome.
O B. opposite ends of the DNA molecule.
QC. dozens to hundreds of points along the
DNA molecule.
D. the telomere, at the tip of the chromosome.
When prokaryotic cells copy their DNA, replication begins at a single point on the chromosome, hence option A is correct.
In prokaryotes, replication begins at the origin of replication, which is a region of the chromosome where the DNA splits open. The replication fork is created when the DNA double helix is opened up by helicase.
A replication origin, which in bacteria is a distinct locus that contains DNA sequence motifs recognized by an initiator protein whose function it is to construct the replication fork machinery at this point, is where chromosomal DNA replication first begins.
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describe the similarities between linnaeus and whittaker in classification organisms
Sexual reproduction in flowering plants involves several processes. Sometimes animals have a role in these processes. In which two of these processes do animals play a role?
Group of answer choices
you will get 100 points if you answer DON'T GIVE THE WRONG ANSWER
Which of the following would best mitigate the environmental impact of a
highway that crosses a stream?
A. Fish ladder
B. Culvert
C. Dam
D. Sinkhole
Answer:
Culvert
Explanation:
Just took it
Answer:
Its B.
Explanation:
Just took the test
What is probability, and how is it used with Punnett squares to predict the outcomes of genetic crosses?
Answer:
Probability is the chance that a given event will occur. The principle of probability allows us to predict the possible combinations of phenotypes in a genetic cross by using a diagram called Punnett squares. This diagram represents alleles and gives us the genetic variations formed during a cross. For example, a flower has one dominant allele for a blue color, which is represented by capital T, and one recessive allele for a pink color, which is represented by small t. When this flower is crossed with another flowering plant with the same type of alleles, which is Tt, the combinations produced for their offspring includes TT, Tt, tT, and tt.
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