Plants, animals, yeast, and bacteria all share very similar cell-signaling processes. Which of the following does this suggest about the evolution of cell communication in organisms?
Cell communication evolved before the emergence of multicellular organisms.
Intercellular communication evolved before communication between organisms.
It became necessary for organisms to evolve cell communication at the same time.
Organisms evolved cell communication processes in response to their environment.
Answers
Cell communication evolved before the emergence of multicellular organisms. The first organisms were unicellular.
The first unicellular organisms appeared on Earth approximately 3 billion years ago.
Multicellular eukaryotic organisms such as plants and animals evolved from these unicellular prokaryotic life forms.
In consequence, the observation that eukaryotic organisms and prokaryotic organisms (e.g., bacteria) share similar cell-signaling processes suggests that this cellular feature evolved from a common ancestor.
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Related Questions
what is the analogy between the vacuole and a school?
Answers
Answer:
The vacuoles is like the cabinets in the school used to store items. where we release all of our energy. Cytoplasm is like the hallways of the school.
I need help with the answer
Answers
Answer:
Carbon Dioxide
Explanation:
The light-independent reactions use the ATP and NADPH from the light-dependent reactions to reduce carbon dioxide and convert the energy to the chemical bond energy in carbohydrates such as glucose.
Important food for living organism?
Answers
True or False: The ribosomes are a series of passageways that
transport things around the cell.
Answers
False, ribosomes are not involved in transport of things around the cell.
What are ribosomes?
A ribosome works as a tiny device that produces proteins. Special proteins and nucleic acids make up ribosomes. The process of making proteins is centered on the TRANSLATION of knowledge and the LINKING of AMINO ACIDS. A ribosome is made up of two subunits that lock together to perform the following two tasks: (1) Translate information encoded in messenger ribonucleic acid (mRNA) from the cell nucleus; (2) Link together amino acids chosen and gathered from the cytoplasm by transfer ribonucleic acid (tRNA) (3) Export the synthesized polypeptide to the cytoplasm, where it will combine with other molecules to form a functional proteinOrganelle involved in transportation: ENDOPLASMIC RETICULUM
Similar to how a city's road network enables mobility within it, the endoplasmic reticulum is a network of tube-like passageways via which proteins from the ribosomes can be transported.
Endoplasmic reticulum is another name for it. There are two types: RER and SER. Rough ER and Smooth ER are abbreviations for respectively. Ribosomes are affixed to rough ER, aiding in the synthesis of proteins. Cells use ERs for a variety of purposes. One of their main jobs is to serve as a transport route. The endoplasmic reticulum membrane is used to transport secretory proteins, primarily glycoproteins.
Hence, endoplasmic reticulum is involved in transport and not the ribosomes
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Think about the ecosystem that you live in. Write a response below describing it in complete sentences. Use each of these terms correctly in your description: community . population • ecosystem . individual .biotic abiotic
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Answer:
Within an ecosystem, we can identify different levels of organization, such as individuals, populations, communities, and the overall ecosystem.
Explanation:
An individual refers to a single organism, such as a plant or an animal, living within the ecosystem. For example, a squirrel or a tree in your ecosystem would be considered individuals.
Populations are groups of individuals of the same species that live in the same area and interact with one another. For instance, if there is a group of squirrels living in your ecosystem, we can refer to them as a population of squirrels.
Communities include all the populations of different species living together in a specific area. In your ecosystem, there might be various populations, such as squirrels, birds, insects, and plants, interacting and coexisting with one another. Together, they form a community of different organisms.
The ecosystem encompasses both the living organisms (biotic factors) and the non-living components (abiotic factors) in a given area. The abiotic factors include things like sunlight, temperature, water, soil, and air. They influence the distribution and behavior of the organisms within the ecosystem. For example, the availability of sunlight and the temperature range in your ecosystem will affect the growth of plants and the activities of animals.
An ecosystem consists of the interactions between abiotic and biotic components in a specific area. Abiotic components include non-living factors like water, air, sunlight, temperature, and soil, while biotic components include living organisms like plants, animals, and microbes.
Populations of different species of plants, animals, and microbes make up the biotic components of an ecosystem. Each individual organism, whether a plant, animal, or microbe, interacts with its biotic and abiotic surroundings. The community of different species of organisms in an ecosystem all interact with each other to obtain food, shelter, or other necessary resources.
Some species form mutualistic relationships, while others may be in competition with each other for resources. Therefore, the ecosystem that we live in is the local community of living organisms interacting with the abiotic environment. These interactions between abiotic and biotic components of an ecosystem result in complex and dynamic ecosystems that can change over time.
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Scientists believe that 250 million years ago ________.
A
the continents were farther apart
B
the continents were underwater
C
there was only one active volcano on Earth
D
the continents were connected
Answers
Which represents the copernican model that is most similar to that of Aristarchus
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Heliocentric model represents the copernican model that is most similar to that of Aristarchus
Heliocentric model explained.
Aristarchus of samos was an ancient greek astronomer who proposed that the Earth revolves round the Sun, suggesting a heliocentric model of the solar system. However, his model did not gain widespread acceptance during his time and the geocentric model prevailed for many centuries.
The heliocentric model later reintroduced and developed by NIcolaus Copernicus in the 16th century. Heliocentric model placed the sun at the center of the solar system, with the planets, including Earth, orbiting around it.
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If the process illustrated in the diagram is interrupted by a chemical at point X, there would be an immediate effect on the release of
1) Chlorophyll
(2) carbon dioxide gas
(3) nitrogen gas
(4) oxygen gas
Answers
Answer: oxygen
Explanation:
If the process illustrated in the diagram is interrupted by a chemical at point X, there would be an immediate effect on the release of oxygen gas.
What is chloroplast?Photosynthesis, the process by which light energy is transformed to chemical energy and results in the generation of oxygen and energy-rich organic compounds, takes place in the chloroplast, a structure found inside the cells of plants and green algae.
Close relatives of chloroplasts that are free-living are photosynthetic cyanobacteria; according to the endosymbiotic theory, these organisms are the ancestors of both chloroplasts and mitochondria, which are eukaryotic cells' energy-producing organelles.
Therefore, If the process illustrated in the diagram is interrupted by a chemical at point X, there would be an immediate effect on the release of oxygen gas.
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I terms of nutrition, discuss the statement " you are what you eat", what does that mean?
Answers
Answer:
Let's say you're a very healthy eater. You eat salads, you know when to eat, and sometimes you just treat yourself probably about once a month. You're a nutritious person, and you look great. You would be as healthy as the greens you put in your mouth.
Now let's say you eat a bunch of chips, meat, sweets, fried things, and you just can't control yourself. You would be a gluttonous person. You would be like the junk, and you wouldn't look very good either. You look exactly like what you eat.
tRNA Molecules
Codons
mRNA
Asn
Intro
Glu
(Asp)
Anticodons
Cytoplasm
H.O Counter 1
3'
Ribosome
Continue to build the protein by joining amino acids to the chain in the correct order. Every amino acid
joined to the protein results in the production of one more water molecule. Click "Dehydrate" to form the
peptide bonds and watch the water molecule counter and be sure to record all data in your data table.
Answers
tRNA molecules transport amino acids to the ribosome during protein synthesis. mRNA codons match tRNA anticodons.
Codons: Three nucleotides on mRNA molecules specify an amino acid during protein production. Codons represent amino acids or start or stop signals.
mRNA (messenger RNA) transmits genetic information from DNA to the ribosome. It guides protein synthesis.
Asparagine and glutamic acid can be integrated into a protein chain during protein synthesis.
Anticodons: Three-nucleotide sequences on tRNA molecules complement mRNA codons. They add the right amino acids to the protein chain.
Cytoplasm: Cellular functions including protein synthesis occur in the gel-like cytoplasm.
Ribosomes synthesise proteins. They help mRNA-encoded amino acids build protein chains.
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Kaydee drafted this research question on Queen
Victoria.
Was Queen Victoria a good ruler?
Is this a strong research question?
O Yes, because it focuses on one aspect of her topic.
O Yes, because it will lead to multiple complex
answers.
O No, because it is too broadly focused for one essay-
O No, because it asks about a little-known topic.
Answers
Yes, it is a good research question because it focuses on one aspect of her topic.
What is a research question?A research question is a question that leads to the formulation of a hypothesis or explanation to understand the real world.
A plausible hypothesis needs to be testable, which in this case means to use statistics for example, quality of life of people, to test (reject or confirm) this explanation.
In conclusion, yes, it is a good research question because it focuses on one aspect of her topic.
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September would the earth be experiencing a solstice or an equinox
how do you konw
i will give a brainlist for the corrent anwer
Answers
In September the earth will be experiencing an equinox
Equinoxes occur between March and September. When the Sun's rays strike the equator at midday and at a 90° angle, it is considered an equinox. It stands for the idea that day and night have equivalent lengths. The sunset and dawn are separated by 12 hours everywhere on Earth. One may observe how quickly the sunset and dawn hours shift throughout the day the farther one goes from the equator.
Whereas, solstices occur in June and December. The contrary is visible close to the solstices. For a few days, both the sunset and sunrise appear to be constant. Over the course of the year, the time of day when the sun is directly overhead where one lives also gradually changes.
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Justify how a plant's structure aids in photosynthesis? Be specific in the part of the plant and what its function is in the process of photosynthesis.
Answers
Answer:
A plant's structure plays a crucial role in photosynthesis, allowing the plant to absorb and convert light energy into chemical energy. The leaves are the primary site for photosynthesis in most plants, and they contain specialized structures called chloroplasts that house the pigments, such as chlorophyll, necessary for photosynthesis to occur. Chloroplasts are located in the mesophyll layer of the leaf, which is a thin, flat layer of cells that maximizes the surface area available for light absorption.
The structure of the chloroplast itself is also crucial to the process of photosynthesis. The thylakoid membrane within the chloroplast is studded with photosystems, which are clusters of pigments and proteins that capture light energy and use it to generate high-energy electrons. These electrons are then transported through a series of electron carriers, ultimately resulting in the production of ATP and NADPH, which are used in the next stage of photosynthesis.
Additionally, the structure of the plant's veins, which transport water and nutrients from the roots to the leaves, is also critical to photosynthesis. Water is one of the key reactants in photosynthesis, and it is transported from the roots to the leaves via the xylem vessels in the veins. The products of photosynthesis, such as sugars and other organic compounds, are then transported from the leaves to the rest of the plant via the phloem vessels in the veins.
In summary, a plant's structure aids in photosynthesis by maximizing the surface area available for light absorption, providing specialized structures and pigments within the chloroplasts for capturing and transporting light energy, and facilitating the transport of water and nutrients to and from the leaves.
4. (15) Some dog breeds are either black (BB, Bb) or brown (bb). However, the ability to create pigment (colour) is the result of a separate gene. For black or brown color to show, the AA or Aa must also be present; if not, the aa genotype results in no colour (albino/white). All responses must include the dihybrid Punnett squares with the results clearly stated. lting from a croce between two completely
Answers
The color of dog breeds can be black (BB or Bb) or brown (bb), and the ability to create pigment depends on the presence of the A gene (AA or Aa). The aa genotype results in no color (albino/white). Punnett squares can be used to predict the possible genotypes and phenotypes resulting from a cross between two dogs.
To determine the possible outcomes of a cross between two dogs, we can use a dihybrid Punnett square. Let's assume one dog is black (BbAa) and the other is brown (bbAA).
The Punnett square for the BbAa x bbAA cross would look like this:
Bb Ba
bb | Bbba | Bbaa
bb | bbba | bbba
From the Punnett square, we can see that there are four possible genotypes for the offspring: Bbba, Bbaa, bbba, and bbba. Among these genotypes, the Bbba and Bbaa genotypes will result in black-colored dogs, while the bbba and bbba genotypes will result in brown-colored dogs.
It's important to note that the presence of the A gene is necessary for color to be expressed, so the aa genotype would result in no color (albino/white) regardless of the B gene.
In summary, the use of a dihybrid Punnett square allows us to predict the possible genotypes and phenotypes of offspring resulting from a cross between dogs with different color and pigment gene combinations.
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explain movement of water in the root
Answers
Answer:
Water initially moves into the root hair cells by osmosis, because the mineral content of the cells is higher than that of the surrounding environment. Thus, a root pressure is established and extends into the microscopic tubes of the xylem.
Explanation:
Consider two children with the same two parents. Would you expect them to have the same sets of chromosomes? Explain why or why not.
Answers
Answer:
Some of the same
Explanation:
Well, if one is a boy and one is a girl they might look similar but they will have a lot more different chromosomes than if they were both the same genders, but they still wouldn't be exactly the same because everyone, even identical twins have chromosomes differences, even if you cant see them. My final reason is that one sibling might get more genes from one parent than the other.
How do development within each domain is linked to and affected by development in other domain.
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You are working with a population of snails. During the mating season, you observe that individuals in the population will only mate with others of the same genotype. For example, Mm individuals will only mate with Mm individuals, and mm individuals will only mate with other mm individuals. There are only two alleles for this gene (M is dominant; m is recessive). You have determined that the frequency of the M allele is 0.5. After one generation, what is the expected genotype frequency for Mm individuals in this population
Answers
If matings are not random in a population and individuals mate with other individuals of similar genotype/phenotype, h0m0zyg0us frequencies increase. In this example, the genotype frequency for Mm is F(Mm) = 0.25.
---------------------------------
In the exposed example, one of the assumptions of Hardy-Weinberg equilibrium is not accomplished. There are non random matings.
Individuals mate with other snails of the same genotypes
MM x MM
Mm x Mm
mm x mm
We can assume this is an example of matings by similar phenotypes.
Eventually, this mating system leads to an increase in the h0m0zyg0us genotype frequency, at the expense of heter0zyg0us ones in loci that determine the trait.
Allelic frequencies do not change. Only genotypic frequencies do.
This mating system tends to separate the population into two subgroups, decreasing the amount of heter0zyg0us individuals.
Matings Progeny
MM x MM 4/4 MMMM x Mm 1/4 MM + 2/4 Mm + 1/4 mmmm x mm 4/4 mmZygotic population of the next generation
F(MM) = 4/4 MM + 1/4 MmF(Mm) = 1/2 MmF(mm) = 4/4 mm + 1/4 MmSo, in the exposed example we know that the frequency of the dominant allele M is 0.5
f(M) = p = 0.5
knowing that p + q = 1, we can clear the equation to get the frequency of the recessive allele.
p + q = 1
0.5 + q = 1
q = 1 - 0.5
q = 0.5
f(m) = q = 0.5
Zygotic population of the next generation
F(MM) = 4/4 MM + 1/4 MmF(MM) = p² + 1/4 (2pq)
F (MM) = 0.5² + 1/4 (2 x 0.5 x 0.5) = 0.25 + 0.125
F(MM) = 0.375
F(Mm) = 1/2 MmF(Mm) = 1/2 (2pq)
F(Mm) = 1/2 (0.5)
F (Mm) = 0.25
F(mm) = 4/4 mm + 1/4 MmF(mm) = q² + 1/4 (2pq)
F(mm) = 0.5² + 1/4 (2 x 0.5 x 0.5) = 0.25 + 0.125
F(mm) = 0.375
The expected genotype frequency for Mm individuals in this population is F(Mm) = 0.25.
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an amoeba and an unlaid egg chicken is it an organism
Answers
Answer:
an amoeba and an unpaid egg chicken is a single cell.
Explanation:
an amoeba and an unlaid egg of a chicken is not an organism.
because, the zygote inside it is made up of more than one cell ,so the zygote results in chicken and Chicken is a multicellular organism
Which of the following is not an essential component of public health?
A.Stopping equitable access to resources
B.Building a diverse and skilled workforce
C.Strong infrastructure for public health
D.Effective communication and education
Answers
Answer:
Stopping equitable access to resources is not a essential component to public health.
Explanation:
The one that is not an essential component of public health is stopping equitable access to resources. The correct option is A.
What is public health?The science and art of preventing disease, extending life, and promoting health efforts and informed decisions of society, organizations, public and private, communities, and individuals has been defined as "the science and art of preventing disease, extending life, and promoting health."
Stopping equal access to resources is one that is not a necessary component of public health.
Thus, the correct option is A.
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100 POINTS..!!
what is ANTI nuclear?? NOT JUST nuclear BUT ANTI nuclear.
PUT 3 FACTS ABOUT ANTI nuclear ENERGY.
ILL GIVE BRIANLIEST.!
Answers
Antinuclear energy or movement, are the social movement opposed to the production of nuclear weapons and the generation of electricity by nuclear power plants.
Where does DNA get transcribed into mRNA
Answers
Not positive but pretty sure it's ribosomes
Hi can someone please help describe this object that was viewed under high magnification
Answers
Describe one of the 3 main components of the cell theory
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Answer:
The cell theory is an explanation of what cells are and why they exist. The three main parts are: 1) All living things are made of cells and their products, 2) New cells are created by old cells dividing into two, and 3) Cells are the basic building units of life.
Explanation:
Answer: cells are the basic building units of life
This is because cells make up the smallest level of a living organism such as yourself and other living things. The cellular level of an organism is where the metabolic processes occur they keep the organism alive. This is why the cell is the fundamental unit of life.
Explanation:
Please somebody help
Answers
Question 1) Discuss how compounds in different types of organisms can be used to benefit people? ( Will Mark Brainliest).
Answers
how do Euglena reproduce?
Answers
Create an illustration showing the application of Chargaff’s rule in the structure of DNA.
Answers
compounds formed from the attraction of oppisitely charged ions are called ________.
A. covalent compounds
B. ionic compounds
C. mineral compounds
D. molecular compounds
Answers
Answer:
B. ionic compounds
Explanation:
Can intersex male get their partners pregant?
Answers
Answer:
yes
Explanation:
they can produce sperm