The claim that each cell includes a nucleus that houses genetic material is not included in the cell theory.
THEORY OF CELLS:
A widely accepted theory that depicts life as a function of the cell is called the cell theory. Three scientists, Rudolf Virchow, Mathias Scleiden, and Theodor Schwann, developed the cell hypothesis in the 1890s.
The following three things make up the cell theory:
• All living things are built around their basic unit, the cell.
• At least one cell makes up every living creature.
• Every cell develops from an earlier cell.
Thus, the claim that is not supported by the theory of the cell is that each cell has a nucleus that houses genetic material. So, option D is the correct answer.
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PLEASE HELPP
(NOT SURE IF BIOLOGY)
If a star has a surface temperature of 5,500 kelvin, under which spectral class would the star be classified?
Answer:
Option 1: G
Explanation:
5,500 kelvin is about the same surface temperature as the Sun, which is classified as a yellow star, that is under the spectral class G.
Please refer to both pictures for more details
Central nervous system neurons that process information between sensory inputs and motor outputs are called.
Central nervous system neurons that process information between sensory inputs and motor outputs are called interneurons.
Interneurons can exchange impulses with one another as well as with sensory and motor neurons, producing circuits of varying degrees of complexity.The nerve fibres that carry sensory data from the outside environment into the brain are known as afferent neurons, also referred to as sensory neurons. Special senses like vision, hearing, smell, or taste, as well as the senses of touch, pain, and temperature, can all play a role in sensory information.Your brain and spinal cord include interneurons, which talk to one another and process data between sensory input and motor output.To learn more about interneurons.
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To find 24 times 17, I multiply 20 times 17 and add it to 4 times 17.
Yes it is possible, if you multiply 20 times 17 and add it to 4 times 17 you will get the same answer as you direct multiply 24 times 17.
In the first case, if you multiply 24 times 17
24 ×17
= 408
In the second case, when you multiply 20 times 17,20×17
= 340
And , when you multiply 4 times 17,
4×17
=68
When adding these two,
340+68
=408
So, in both case result will be same which is 408
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Your question is incomplete, to see the full question please refer:
In order to find 24 times 17, If I multiply 20 times 17 and add it to 4 times 17 .Is that possible?
Describe one way that a cell membrane is more
complicated than a water balloon in which a thin
rubber membrane holds the water inside.
Answer: It's different because the membrane is the control center of the cell a balloon just holds the water
Explanation:=)
• How did your original thoughts about biomes compare with data collected
during your investigation?
On the planet, areas with similar latitudes tend to have similar climates and, consequently, similar biomes. However, topography also has an impact on climate, which can affect the characteristics of different biomes in areas with the same latitude.
A region is defined by its major vegetation type as a result of its climate and terrain to form a biome. The biome and broad vegetation characteristics of a location can be predicted using temperature and rainfall patterns within that area.The variety of species present in the terrestrial and oceanic ecosystems of the planet is known as biodiversity. An ecosystem's health is frequently evaluated based on how diverse it is.A biome's inhabitants have developed adaptations that enable them to live and breed there.The vegetation and organisms that have adapted to a biome can be impacted by natural disturbances like fire, storms, and illness.The biodiversity within a biome can be influenced by the interactions between living and nonliving variables in an ecosystem, such as symbiotic connections, competition, climate, topography, natural events, and human impact.
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Brainstorm at least 10 ways in which destruction to the environment and depletion of resources can affect our overall well being as a population
Following are the ways in which destruction to the environment and depletion of resources can affect our overall well being as a population
1. A lack of water
Due to contamination, wasting, and the degradation of natural water catchment regions, poor agricultural methods, deforestation, and pollution are important contributors to the depletion of water resources.
2. Oil exhaustion
Oil is a nonrenewable resource that supplies around 40% of the world's overall energy needs.
3. Reduction in forest cover Every year, over 18 million acres of forest are lost.
4. Mineral depletion
To support the seven billion people on the planet, there has been a rise in the mining of minerals like phosphorous, petroleum, copper, and zinc, among others.
5. Species extinction
Some species may become extinct as a result of the modifications in animal life circumstances brought on by resource overexploitation and habitat deterioration.
6. Ocean Acidification
Because the acidity reduces the calcium concentrations, crabs find it challenging to develop their shells, leaving them defenseless.
7. Water Pollution
Nitrogen, a component necessary for plant development, is a component of fertilizer, although its use is not restricted by this fact.
8. Overfishing
The biggest danger to all aquatic life and the main factor reducing biodiversity is pollution.
9. Deforestation
With an exponential rise in the number of people, food, resources, and housing are being produced at incredible rates, primarily because to forests.
10. Acid Rain
When rain falls, it collects in water bodies, harming lakes and other tiny bodies of water particularly.
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!!!!
MULTIPLE CHOICE QUESTION
Ribosomes
is the site of protein synthesis.
is where the genetic material is housed.
is where plants use sunlight to perform
photosynthesis.
Wild-type mice have brown fur. You have two strains of pure breeding mutant mice, both of which have white fur. When you cross the two strains with each other, all of the progeny have wild-type brown fur. What does this genetic complementation tell you?.
You cross the two strains with each other, all of the progeny have wild-type brown fur. This is more than one gene is involved in determining the coat color phenotype genetic complementation tell you.
In the laboratory mouse, over 80 genes have been found to influence coat colour, and more than 25% of them have undergone molecular characterization.The MC1R gene alleles that mice inherit have an impact on the colour of their fur. The fur colour of mice with two copies of allele 1 is the lightest, that of mice with two copies of allele 2 is the darkest, and that of mice with heterozygotes is in the middle.Our bodies can alter the types or quantities of hormones we produce in response to changes in age, nutrition, climate, sun exposure, and a number of other factors. Over the course of a lifetime, the genes that produce melanin may turn on or off, changing the colour of your hair. Some animals have a twice-yearly hair colour shift.To learn more about gene.
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what is the primary purpose of each (A) membrane channels (b) membrane pumps?
According to the research, the primary purpose of membrane channels is to circulate ions, and of membrane pumps is to maintain differences in ionic concentration.
What are membrane channels and pumps?They are pores in the cell membrane through which ions circulate for muscle contraction or membrane potential changes that may depend on a ligand or voltage, depending on whether their opening is determined by the binding of a ligand or by changes of voltage.
In this sense, membrane pumps is the mechanism of active ion transport, consuming energy across a membrane against an electromechanical gradient to maintain differences in ion concentration between the intracellular and extracellular space.
Therefore, we can conclude that according to the research, the primary purpose of membrane channels is to circulate ions, and of membrane pumps is to maintain differences in ionic concentration.
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which result is most likely if enzymes are exposed to very high temperatures?
enzyme activity will increase, making the reaction even faster.
enzyme activity will decrease, causing a slower reaction.
enzymes will change shape and bind to a wider range of molecules.
enzymes will denature and be unable to function.
Answer: The answer is D, Enzymes will denature and be unable to function.
Explanation: I took the test! good luck :)
If the enzymes are exposed to very high temperatures, enzymes will denature any unable to function. So the correct option is D.
What are enzymes?Proteins are called enzymes to aid in accelerating our bodies' chemical processes, or metabolism. Some compounds are created, while others are broken down. Enzymes are a part of all living things.
Enzymes are created by our bodies spontaneously. However, food and manufactured goods both contain enzymes. The aiding of digestion is among the most crucial functions of enzymes. The process of converting the food we consume into energy is called digestion. For instance, our saliva, pancreas, intestines, and stomach all contain enzymes. They disintegrate proteins, carbs, and lipids. These nutrients are used by enzymes for cell development and repair.
The body contains tens of thousands of different enzymes. Every kind of enzyme has a single function. For instance, the enzyme sucrase degrades the sugar sucrose. Lactose, a kind of sugar included in milk products, is broken down by lactase.
Therefore, the correct option is D.
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How does stratification within the rain forest reduce competition for food?
Every strata has a unique flora and fauna relationship
The tallest trees protect smaller plants from harmful UV rays
Most of the animals live in trees
Fungi prevents competition with animals
Stratification within the rain forest reduce competition for food because every strata has a unique flora and fauna relationship and is denoted as option A.
What is Competition?This is a term which is used in biology to explain the interaction between species when they both require resources which have a limited supply such as food etc in the ecosystem.
Stratification means division into various types of groups based on various factors and each has their unique flora and fauna relationship which signifies the presence of more organisms in the ecosystem which will thereby help to reduce competition for food.
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A high-speed cell chase down Chemotaxis Street ended with an escaped suspect! The responding police officer could not catch the cell because the cell had a long whip-like tail that allowed it to move quickly. Which organism is the most likely suspect?
Group of answer choices
Paramecium
Amoeba
Pseudopod
Euglena
Answer:
D. Euglena
Explanation:
Euglena organisms have flagellum.
what is the correct order for the events of neurotransmitters in the synapse
Answer: Neurotransmitter release from the presynaptic terminal consists of a series of intricate steps: 1) depolarization of the terminal membrane, 2) activation of voltage-gated Ca2+ channels, 3) Ca2+ entry, 4) a change in the conformation of docking proteins, 5) fusion of the vesicle to the plasma membrane, with subsequent
Explanation:
prokaryotic and eukaryotic cells have several differences. Which statement below is not one of those differences?
A. prokaryotic cells are found in the domains Eubacteria and Archaea.
B. Eukaryotic cells have organelles for processes like respiration or photosynthesis.
C. Prokaryotic cells cannot make their own proteins
D. Eukaryotic cells are generally ten times larger than prokaryotic cells
" Eukaryotic cells have organelles for processes like respiration or photosynthesis". This statement is not one of the several differences between prokaryotic and eukaryotic cells.
`What are Prokaryotes and eukaryotes?
Prokaryotes often spelled "procaryotes," are creatures without a cell nucleus (also spelled "karyon") or any other membrane-bound organelles. The term "prokaryote" is derived from the Old Greek pro- before + karyon nut or kernel, referring to the cell nucleus, + suffix -otos, pl. -otes. Prokaryotes typically have one cell, however, some do have many cells.
Cells in eukaryotes (IPA: [jukt]) are arranged into intricate structures by internal membranes and a cytoskeleton. The nucleus is the most recognizable membrane-bound structure. Their name, which is also written "eucaryote," which derives from the Greek letters, meaning good or true, and v, meaning nut and alluding to the nucleus, is a result of this characteristic. Eukaryotes include protists, fungi, plants, and animals.
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which of the amino acids could participate in hydrophobic interactions with another amino acid in the chain to stabilize the tertiary structure of the protein?
The Amino acid which can participate in hydrophobic interactions with another amino acid in the chain to stabilize the tertiary structure of the protein is phenylalanine.
What is phenylalanine?
An amino acid, which is a "building block" of protein, is phenylalanine. Phenylalanine comes in three different forms: D-phenylalanine, L-phenylalanine, and DL-phenylalanine, a mixture created in a lab.
The amino acid D-phenylalanine is not necessary. Its function within the body is yet unknown. An important amino acid is L-phenylalanine. In proteins, phenylalanine only appears in only one form. L-phenylalanine is mostly found in meat, fish, eggs, cheese, and milk.
The amino acid phenylalanine has the potential to engage in hydrophobic interactions with another amino acid in the chain to stabilize the protein's tertiary structure.
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Would the mosquito incident be an example of natural selection or artificial selection?
The mosquito incident of drug resistance would most likely be an example of natural selection.
What is Drug resistance?
This is a situation in which a medication is less effective in treating a disease and it leads to the pathogens becoming fitter thereby resulting in the reduced drug effect through several changes which are usually passed from the parent to offspring.
Natural selection is referred to a situation where organisms undergo different types of changes so as to enhance their survival and is exhibited by mosquito which is therefore the reason why it was chosen as the most appropriate choice.
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Dna methylation controls the expression of genes and contributes to epigenetics. True or false.
True, DNA methylation controls the expression of genes and contributes to epigenetics.
DNA Methylation for Gene Expression- DNA methylation controls the expression of gene by adding the methyl group ([tex]CH_{3}[/tex]-) on the genes which may turn on or turn off the gene activity.
DNA Methylation for Epigenetics- The several changed forms of cytosine and the associated enzymes for each alteration are displayed. A methyl (CH3) group is added to DNA as part of the epigenetic process known as DNA methylation, which frequently alters gene function and influences gene expression.
DNA Methylation- DNA methylation controls gene expression by either attracting proteins that play a role in gene repression or through preventing transcription factor(s) from binding to DNA. A dynamic processes involve combining de novo DNA methylation and demethylation causes the sequence of DNA methylation in the genome to alter during development.
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10. takai, t. 2002. roles of fc receptors in autoimmunity. nat. rev. immunol. 2: 580–592. 11. lucas, m., x. zhang, v. prasanna, and d. m. mosser. 2005. erk activation following macrophage fcgammar ligation leads to chromatin modifications at the il-10 locus. j. immunol. 175: 469–477
Since the discovery of Fc Receptors and their purpose, it has been forty years. IgG receptors (FcR), high-affinity IgE receptors (FcRI), IgA and IgA/IgM receptors, and neonatal Fc receptor for IgG are all examples of Fc receptors (FcRn).
Particularly, the FcRs have a well-established involvement in the development of immune-mediated disorders as well as numerous biological processes connected to the response to infection and cancer. It has been suggested that Fc receptors, and FcRs in particular, which set a threshold for immune cell activation, have both positive and negative regulatory functions. When it comes to the transport of IgG through polarized epithelial barriers at mucosal surfaces and the regulation of IgG half-life, Fc receptors, like FcRn, have a new shape and function. The potential efficacy of targeting Fc receptors for medicinal purposes is highlighted by these various roles. The most recent data on this biology's therapeutic applications is compiled in this review.To learn more about fc receptors visit:
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Which of the following is not a temperature grassland or prairie?
Answer: taiga
Explanation:
Do you think the representations in the media of the identification and analysis of physical evidence are accurate based on the information you learned in this lesson? Why or why not?
The representations in the media of the identification and analysis of physical evidence are accurate based on the information learnt due to the various investigations and tests which occurs.
What is Evidence?This is referred to the materials and information which helps to prove that something is true or valid and at crime scenes, fingerprint and blood are usually collected so as to solve the investigation.
However, the representations in the media of the identification and analysis of physical evidence are usually well analysed after series of thorough investigations and tests have been done so as to ascertain the true story and picture before it is then divulged to the public.
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Space/earth science if anyone can help 40 points / 20 points per person
Answer:
Task 1:
1. The abundance of the chemical elements is a measure of the occurrence of the chemical elements relative to all other elements in a given environment.
2. The relative abundance definition in chemistry is the percentage of a particular isotope that occurs in nature.
3. Percent abundance is the percentage amount of all naturally occurring isotopes of an element.
Task 2:
Crust- Oxygen and Silicon have the most abundance with Oxygen having the most.
Hydrosphere- Hydrogen and Oxygen have the most abundance with Hydrogen having the most.
Troposphere- Nitrogen and Oxygen have the most abundance with Nitrogen having the most.
Task 3:
Potassium is part of the hydrosphere because Potassium readily dissolves in water during weathering of potassium-bearing minerals and enters the hydrosphere for a long time.
In the Troposphere the last 1% is made of argon, water vapor, and carbon dioxide.
I had to do some investigation for this but I hope this helps :)
Marcus did an experiment to compare the rate of photosynthesis of two typed of seaweed. Seaweeds are plant-like organisms that live in sea water. The diagram shows the apparatus he used. What variable should Marcus change in the experiment?
According to the given statement Marcus change in the experiment the types of seaweeds.
What is the purpose of seaweed?Seaweeds are currently used as human meals, cosmetics, fertilizers, and to extract industrial chemicals and gums. They may be exploited as a source of long- and short-chain compounds for both industrial and medical applications.
What three varieties of seaweeds are there?Based on their color, seaweeds can be divided into three major groups: brown, red, and green. These large classifications are referred to by botanists as Phaeophyceae, Rhodophyceae, and Chlorophyceae, respectively.
What kind of seaweed are eatable?There are two different kinds of edible seaweed: wakame and nori. Red seaweed known as nori is processed thoroughly before being marketed in sheets that resemble paper.
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What do force diagrams show? (1 point)
O the balanced forces acting on an object
O the acceleration of forces acting on an object
O the mass of forces acting on an object
O the magnitude and direction of forces acting on an object
Force diagrams show option D. magnitude and direction of force
Refer the image below for a clear understanding.
It shows the direction (denoted by arrows) of forces being acted upon the object from different directions. It also has a magnitude of force written alongside the arrow denoting the direction of force in newton (N).We employ vectors while creating force diagrams or pictures. An arrow that depicts the strength and direction of a force is a vector. The direction can be described as north, south, east, west, left, right, up, or down, and the magnitude, which measures the force's strength, is typically expressed in Newtons.You must add the force vectors in both the horizontal and vertical directions in order to estimate the total force in a free body diagram. The "net force" is the total of all forces acting in all directions. When two forces are acting in opposition to one another, they should be subtracted from one another or one of the forces' values should be changed to the negative sign to reflect the direction.Hence, the correct answer is the last option stating that both magnitude and direction are depicted in a force diagram.
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The fossil remains of Mesosaurus showed that (1 point)
O plate tectonics is a valid earth science theory.
O the Mesosaurus is now extinct..
O plants lived in different climates long ago in Africa and South America.
O South America and Africa might have been joined in the past.
Please answer, I need help with this one
The fossil remains of Mesosaurus showed that plate tectonics is valid earth science theory.
Due to the discovery of Mesosaurus bones in the Whitehill Formation in southern Africa, as well as the Melo Formation in Uruguay and the Irati Formation in Brazil, two geographically distinct areas, Mesosaurus was essential in supplying evidence for the notion of continental drift.
They also were evidence that proved that earlier South America and Africa must have joined during that era.
What is plate tectonics?
According to the scientific hypothesis of plate tectonics, the underground movements of the Earth create the primary landforms. By explaining a wide range of phenomena, including as mountain-building events, volcanoes, and earthquakes, the theory, which became firmly established in the 1960s, revolutionized the earth sciences.
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In the Northern Hemisphere,summertime is warmer than wintertime because of
a. The Earth's orbit is an ellipse
b. The Sun is visible for more hours
c. Sunlight is more concentrated on the ground
d. Both (b) and (c)
e. All the answers are true
Answer:
B
Explanation:
The most relevant answer in this list would be B. The generally accepted answer is that it is due to the Earth's tilt of 23 degrees.
Pls help branliest ko ung may tamang sagot
male productive system
5 parts:
descriptions:
functions:
female productive system
5 parts:
descriptions:
functions:
Answer:
Male:
In this Article
To produce, maintain, and transport sperm (the male reproductive cells) and protective fluid (semen)
To discharge sperm within the female reproductive tract during sex.
To produce and secrete male sex hormones responsible for maintaining the male reproductive system.
Female:
Its functions include producing gametes called eggs, secreting sex hormones (such as estrogen), providing a site for fertilization, gestating a fetus if fertilization occurs, giving birth to a baby, and breastfeeding a baby after birth.
The walls of lymphatic vessels are similar to those of cardiovascular _____________.
VERY VERY IMP PLEASE HELPPPP
Darren has a temperament tendency characterized by high agreeableness. He tends to choose friends who are kind to others.
A) active gene-environment correlation
B) equifinality
C) evocative gene-environment correlation
D) multifinality
E) passive gene-environment correlation
It should be noted that when Darren has a temperament tendency characterized by high agreeableness and he tends to choose friends who are kind to others, this is D. multifinality.
What is multifinality about?People with identical experiences such as child sexual abuse, parent death, or a history of stable attachment but very different developmental outcomes are referred to as multifinality.
The link between a kid's genotype, which he or she receives from both parents, and the environment in which the child is raised is known as passive genotype-environment correlation. While equifinality refers to the theory that a single behavioral dimension or category of psychopathology is influenced by numerous risk factors, multifinality refers to the idea that a single risk or protective factor can result in multiple outcomes.
Therefore, when Darren has a temperament tendency characterized by high agreeableness and he tends to choose friends who are kind to others, this is multifinality.
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What term describes a relationship, in which a smaller cell lives inside a larger cell? multiple choice question.
a. photosynthesis
b. phagocytosis
c. endosymbiosis
d. parasitism
Endosymbiosis term describes a relationship, in which a smaller cell lives inside a larger cell.
The term "primary endosymbiosis" describes the first time an ancestral eukaryotic cell internalised prokaryotes, giving rise to the mitochondria and chloroplasts.Chloroplasts, which house the chlorophyll in plants, are where photosynthesis occurs. The process of phagocytosis involves recognising and ingesting particles larger than 0.5 m into a vesicle formed by the plasma membrane called a phagosome.A nonmutual connection in which one organism profits at the expense of the other is known as parasitism. There are two different kinds of parasites that impact living things.Ectoparasites, which reside on the host's body surface and don't usually spread disease to the host, such as ticks, fleas, leeches, and lice, or endoparasites, which can be intracellular or intercellular, are two types of parasitism.So, the correct option is (c).
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dogs keep themselves cool by panting, rapidly breathing air in and out. panting results in evaporation from moist tissues of the airway and lungs, which cools the animal. measurements show that, on a 35∘c day with a relative humidity of 50%, a 12 kg dog loses 1.0 g of water per minute if it is panting vigorously.
Since water absorbs heat equivalent to mass times latent heat of evaporation in order to turn into vapor, it results in cooling. This results in a heat loss rate of 37.66 W in watts in Dog.
Evaporation:
Consequently, latent heat of water evaporation
= 2260 x 10³ J / kg or 2260 J / g
Now
1 g of water evaporates during the process,
heat lost = 2260 J
Moreover, heat loses every minute
= 2260 J
So,
Every second, heat is lost
= 2260 / 60
= 37.66 J /s
= 37.66 W
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