Answer:
Choose a topic for your cell analogy. Below each topic heading are possible analogies for the topic. You can use them or come up with your own. The fourth column is a space in case you want to make your own analogy topic.
Explanation:
Answer:
Example of a Cell Analogy Story
Explanation:
Cell Analogy Story
A cell can be compared to a business. The Nucleus controls all cellular functions like a Chief Executive Officer that controls all of the operations and decisions of the business. Within the business there is the cytoplasm. The Cytoplasm in a cell, harbors cell organelles and provides structure. This compares to the factory work space that contains all the working bio-machinery and the nutrients, like the raw materials, for the cellular processes. The Cytoskeleton for a cell is what provides the shape and structure to the cell. This is compared to the architecture structure of a factory. It helps to support and strengthen the structure of the building. The Endoplasmic Reticulum of a cell is the site for protein synthesis, the vesicle packaging and transport. This is compared to an assembly line of the business. This is the main work space for production of the important cell components, for example the proteins. The Golgi Apparatus of the cell is the packaging of molecules into the transport vesicles. This is compared to the packaging department of a business. The packing department is the department that packages the goods that have been prepared. The Lysosomes of the cell is actually the membrane-bound cell organelle. It contains the digestive enzymes that break down the excess or the otherwise known worn-out parts of the cell. If the cell is considered damaged beyond repair it will help it to self-destruct with a process that is called programmed cell death. This is compared to the maintenance department of a business. The maintenance department is called in when there is old worn out machinery that needs replaced and discarded. The Mitochondria of the cell is in charge of producing the energy through cellular respiration. This is compared to the power plant or the generator of the business to help the production of energy. There are a few extra parts of the cell that could not be put on the chart above. The Plasma membrane of the cell is the semi permeable that controls cellular transport. This is compared to the Logistics department of the business. This department is in control of what is shipped in and out of the business. The last one is the Ribosomes of the cell. This Ribosomes are like the protein builders or the protein synthesizers of the cell. This is compared to the factory workers of the business. The works build the products for the company.
how does a large, complex system like the Earth system operate
Explanation:
Scientists increasingly view earth as a dynamic system. A combination of interrelated interdependent or interacting parts forming a collective whole or entity
based on the article about drug-resistant bacteria write a paragraph summarizing why this genetic mutation concerned scientists also explain why the scientists say don't panic
Drug resistant bacteria are bacteria that are killed, removed or controlled by antibiotics.
Examples of drug-resistant bacteria are;
methicillin-resistant Staphylococcus aureusPenicillin-resistant Enterococcus Multi-drug-resistant Mycobacterium tuberculosis.
Scientists are concerned about genetic mutation that causes drug resistance in bacteria because it leads to increase rate of infection and incurable diseases. There is still hope as sophisticated measures are being carried out to inhibit the horizontal gene transfer in these organisms and can serve as a novel therapeutic strategy to fight drug resistance.
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Explanation:
it is the Plato answer
The variable in an experiment that changes as a result of the manipulated variable
Answer:
dependent variable
Explanation:
a dependent variable changes as a result of the manipulated variable.
The heart is ________________ to the urinary bladder
Give one component of the Endosymbiotic Theory.
Answer:
Eukaryotic cells evolved from prokaryotic cells.
Explanation:
The endosymbiotic theory states that some of the organelles in today's eukaryotic cells were once prokaryotic microbes. Mitochondria and chloroplasts are believed to have been developed over time.
An electrically neutral atom has an atomic number of 11 and an atomic mass of 23. This atom has ____ protons, neutrons, and ____ electrons
Answer: This is called sodium
Explanation: 11 protons, 11 electrons.
This electrically neutral atom has 11 protons, 12 neutrons, and 11 electrons .
What is an atomic number?The number of a chemical element in the periodic system, whereby the elements are arranged in order of increasing number of protons in the nucleus. Accordingly, the number of protons, which is always equal to the number of electrons in the neutral atom, is also the atomic number.
What is an atomic mass?The mass number or atomic mass is the combined number of protons and neutrons in a nucleus, so it's protons and neutrons.
According to the question
Electrically neutral atom has an atomic number = 11
Electrically neutral atom has an atomic mass = 23
Now,
the number of protons = number of electrons in the neutral atom = atomic number.
Therefore,
The atom has proton = 11
The atom has electron = 11
As, atomic mass is the combined number of protons and neutrons in a nucleus
Therefore,
The atom has neutrons = 23 - 11 = 12
Hence, This atom has 11 protons, 12 neutrons, and 11 electrons .
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what is the 4 structures of an enzyme
Enzymes are made up of amino acids which are linked together via amide (peptide) bonds in a linear chain. This is the primary structure. The resulting amino acid chain is called a polypeptide or protein. The specific order of amino acid in the protein is encoded by the DNA sequence of the corresponding gene
This is due today at 11:59 and science is not my strong point can anyone answers theses for me....
Answer:
1.) Dependent variable is weight
Independent variable is growth hormones.
2.) Independent variable is mosquito repellent
Dependent variable is number of bites
3.)Dependent is water
Independent is mass
4.) Indepent is the whole scenario
Dependent is the speed and how it affects the cars.
5.) Independent is the wet or dry enviroment
Dependent is the time spent
Explanation:
Dependent variable is weight and Independent variable is growth hormones.2.) Independent variable is mosquito repellent and Dependent variable is number of bites.
What is Dependent variable?The dependent variable is the variable that is being measured or tested. For example, in a study looking at how tutoring impacts test scores, the dependent variable would be the participants' test scores since that is what is being measured.
This is different than the independent variable in an experiment, which is a variable that stands on its own. The independent variable (tutoring) doesn't change based on other variables, but the dependent variable (test scores) may.
One way to help identify the dependent variable is to remember that it depends on the independent variable. When researchers make changes to the independent variable, they then measure any resulting changes to the dependent variable.
Therefore, Dependent variable is weight and Independent variable is growth hormones.2.) Independent variable is mosquito repellent and Dependent variable is number of bites.
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Give two examples of how abiotic factors are influenced by biotic factors.
Answer:
Ecosystems are influenced by both biotic and abiotic factors. Biotic factors include animals, plants, fungi, bacteria, and protists. Some examples of abiotic factors are water, soil, air, sunlight, temperature, and minerals.
The utilization of resources by the living organisms which are biotic factors influence the abiotic factors, which are the resources.
What are biotic and abiotic factors?The term biotic factors means the factors of components of the ecosystem which are living. Therefore it can be said that all living organisms present on earth are biotic components.
Examples of biotic factors are plants, animals, human beings, decomposers, yeast, insects, etc. All of these factors or biotic components interact with each other for the development of new generations. That means reproducing new organisms to maintain the food chain.
The components of the ecosystem that are non-living are termed abiotic factors. They play a very important role in the maintenance of ecosystems. The interaction of the biotic and abiotic factors is important for the stability of the ecosystem.
Some examples of abiotic factors are air, weather, water, temperature, humidity, altitude, pH, level of soil, types of soil and more, water flow rate, water depth, etc.
Therefore, the use of water and land by living organisms are some of the many examples by which biotic factors affect abiotic factors.
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Bats have oversized ears which help the pets you sound waves to detect the motion of their prey which example of the characteristics of life is most similar
SOLVE Suppose you are helping scientists conduct a study of a population of Clear Lake
hitch, which is a fish species that lives in Californian lakes. The scientists initially capture
80 hitch from a lake and tag all of them. After 30 days, they capture 100 hitch and count
20 tags. Use the space below to calculate the estimated number of hitch in the lake. Show
your work
Answer:
400
Explanation:
Scientists tagged 80 hitch. When they capture 100 hitch, 20 are tagged. In order to estimate the population of hitch, we can assume that this proportion is consistent.
This means for every 20 tagged hitch, there are 80 untagged. We know there are 80 tagged total, so we need to multiply 20 by 4 to get it to 80. To keep the proportion equal we also need to multiply the untagged hitch.
[tex]\frac{20}{80}[/tex] * [tex]\frac{4}{4}[/tex] = [tex]\frac{80}{320}[/tex]
Still following the proportion, we have 80 tagged hitch and 320 untagged hitch. 80 + 320 = 400 hitch total.
Kudzu is a vine that was brought to the us from japan to prevent erosion once here kuduz became invasvie what role does kuduz most likely play in the environment in the us
Answer:
Kudzu in the United States has become an environmental concern.
It is naturally coded to spread quickly. The advantage to that is that it was useful in the prevention of erosion and management of the landscape.
Presently, it is creating an ecological imbalance. Kudzu is very efficient at collecting and converting sunlight more than the local plant species and even tree plants. The competition from Kudzu is so tough, tree plants are being starved off of soil nutrients and sunlight and are unable to survive.
Even the wildlife are affected as the crops which they forage on cannot are outcompeted by Kudzu.
Cheers!
How do polar molecules form Hydrogen Bonds?
What determines whether a compound will dissolve in water?
How do polar molecules differ from non-polar molecules?
Describe an example of cohesion or adhesion that you might observe in your daily life.
Answer:
How do polar molecules form hydrogen bonds?
Polar molecules form hydrogen bonds when hydrogen is bonded to Nitrogen, Oxygen, or Fiorina. This is because these atoms are highly electro-negative meaning they often have the electron they have sharing with hydrogen. Hydrogen atoms bonded with these atoms are attracted to the partial negative charge of similar atoms.
What determines whether a compound will dissolve in water?
Water is a polar molecule and transmits a partial positive and negative change between its atoms, enabling it to easily dissolve other ions and polar molecules.
How do polar molecules differ from non-polar molecules?
Polar molecules have charged regions due to unequal sharing of electrons/ Nonpolar molecules do not have charged regions because electrons are shared more equally. The charge differences tend to keep the molecules separate.
Describe an example of cohesion or adhesion that you might observe in your daily life.
Cohesion: water beading on a surface.
Adhesion: water sticking to the side of glass.
Describe an approach for understanding global systems and the changes they undergo.
Compared to dry environments, evaporation of sweat is ________ in humid environments, resulting in _______ body cooling.
Answer:
less; reduced
Explanation:
Compared to dry environments, evaporation of sweat is less in humid environments, resulting in reduced body cooling.
In dry environment, the body sweats more in order to compensate for the rate at which evaporation occurs from the surface of the skin. However, in humid environment, sweating is reduced because the rate of evaporation of water from the surface of the skin is not as much as in dry environment. Since evaporation causes cooling, it means that there would be reduced body cooling in humid environments.
During which stage of the cell cycle does cell division occur? A. mitosis B. cell growth C. interphase D. quiescence
Cell division occurs in mitosis.
What is mitosis?Mitosis is called the process in which there is non-sexual reproduction of cells in which the genetic material is duplicated to generate another cell with the same characteristics of the original cell. Mitosis occurs in cells from the human body or from other species and can occur in processes in which there is damage to some tissue and it has to be repaired.
Mitosis is made up of different phases in which cellular changes are generated to be able to carry out this cell replication, within the stages are: interphase, prophase, prometaphase, metaphase, anaphase and telophase.
Therefore, we can confirm that cell division occurs in mitosis.
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What scenario is an example of a physical change?
A. Wood is burned in a campfire and is turned into ash
B.a piece of metal is left in the rain and form dust
C. Lead is melted into liquid to form dust
D. Yeast turns sugar into energy,water, and carbon dioxide
Answer:
C is then answer.
Explanation:
Answer is C
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Why do organisms have to be “organized” to live?
Answer:
because they have to be seperated
Explanation:
What is the purpose of respiration in living organisms?
Answer:
All life forms have one essential purpose
Explanation:
Survival. This is even more important than reproduction. After all, babies and grannies are alive but don't reproduce. To be alive is more than passing genes along
Why is NASA now more accurate and precise with the Martian landing
Answer:
because now they have had many successful landings on mars like curiosity,spirit,and many others l.Now they know the best ways to land and how to do all the procedures.
NASA is now more accurate and precise with the Martian landing because they improved the interplanetary navigation that significantly tightened the eclipse between the period from 1997 to 2008.
What is a Martian landing?Martian landing may also be called a Mars landing which illustrates a landing of a spacecraft on the surface of Mars. It is initiated when the spacecraft reaches the top of the Martian atmosphere, traveling nearly 12,500 miles per hour.
The landing on Mars seems difficult for all space organizations but NASA's Perseverance rover makes this possible in order to touch down the most challenging terrain on Mars that has been ever targeted.
Apart from this, the landing of NASA's Pathfinder and Pheonix also have remarkable success in the landing. Also, NASA has well-developed technologies in the field of research with good experience and talent.
Therefore, NASA is now more accurate and precise with the Martian landing because they improved interplanetary navigation.
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PLEASE HELP ASAP
Which causes an increase in greenhouse gases?
A: change in wind patterns
B: strengthening of hurricanes
C: burning of wood and coal
D: movement of warm ocean waters
Answer:
The correct answer would be C, burning of wood and coal
Explanation:
The burning of fossil fuels (coal, oil, natural gases) increases the greenhouse gases in the atmosphere.
The factors that will cause an increase in greenhouse gases is the burning of wood and coal.
What are greenhouse gases?Greenhouse gases are gases such as carbon dioxide or CFCs, that contributes to the greenhouse effect when released into the atmosphere.
Greenhouse gases have the ability to trap and release heat in their chemical bonds.
Examples of greenhouse gases are;
Carbon dioxideChlorofluorocarbons (CFC)Sulfur dioxideTherefore, the factors that will cause an increase in greenhouse gases is the burning of wood and coal.
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If I want to do an experiment to test whether vitamin C helps prevent colds, the control group must
Answer:
pee in a cup
Explanation:
right answer
Darren is studying the effect of increased carbon dioxide on plant growth. He sets up four tanks (terrariums). Each tank has the same type of plant, same potting soil, same amount of water, same amount of sunlight. The first tank has normal levels of Carbon dioxide. The second tank has 25% more carbon dioxide, the third 50% more and the fourth 100% more. Darren records plant height after each week for a four week period. What are the : IV, DV constant, control
Answer:
Explanation:
Oh
In an experiment, a group of scientists want to test the effects of humidity on plant growth. The scientists expose the plants in the study to a range of different humidities to measure plant growth over a specified amount of time. In this experiment. What is the independent variable?
Please help me ASAP
A) Plant growth
B) Humidity
С)Fertilizer
D)None of the above
Answer:
The correct answer is - option B) humidity.
Explanation:
Independent variable is the variable in a scientific experiment that can be modify or change in order to find out the response and analyse the response of dependent variable.
In this experiment the independent variable is humidity as it is changed in order to find out and study plant growth response by the effect of humidity.
Thus, the correct answer is - option B) humidity.
Vacuoles are most similar to what other organelle found in both plant and animal cells?Why?
Are deep ocean vents part of an ecosystem
Answer:
yea
Explanation:
Answer:
Yes
Explanation:
Believe it or not, they are! They are parts of an ecosystem because in often cases, they provide heat that helps keep many organisms and animals alive! Hope this helped!
In blood capillaries, blood pressure forces fluid through gaps in the capillary wall in a process called
Explanation:
filtration or capillary filtration
In blood capillaries, blood pressure forces fluid through gaps in the capillary wall in a process called osmosis. The pressure is osmotic pressure.
What is osmosis?Osmosis is a process when the molecules travel from a high concentration to a low concentration region. It is the diffusion of material from a semipermeable membrane.
The blood capillaries are part of the circulatory system of the body. They are of two types, artery, and veins. They circulate blood in the body. Blood pressure is the pressure exerted by the movement of blood on the arteries and veins.
The process of osmosis happens when the fluid is exerted in the blood capillaries through the gaps.
Thus, Osmosis is a phenomenon in blood capillaries where blood pressure pushes fluid through openings in the capillary wall. Osmotic pressure is present.
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.
a group of students is observing these two species of squirrel in forming conclusions about how they are alike and different which type of investigation is the group doing
Answer:
Although there are no options but this investigation is a COMPARATIVE investigation
Explanation:
Scientific investigations aims at satisfying a curiosity or a way of explaining natural phenomena. There are three types of investigations viz: descriptive, comparative and experimental investigations.
Comparative investigation is a type of investigation that involves collecting data on different organisms, locations etc for the sole purpose of comparing. It aims at confirming if there is a relationship between i.e. similarities/differences. In this question, two species of squirrels are being observed for their similarities and differences i.e. the aim of the investigation is COMPARISON. Hence, it is an example of comparative investigation
Which of the following is NOT a true statement?*
1 point
Two or more atoms held together with bonds make up a molecule.
Mixtures can be made of two elements, two compounds or an element & a compound.
At least two different types of atoms are required to make a compound.
Pure substances are made of only one type of atom.
Answer: Two or more atoms held together with bonds make up a molecule.
Explanation:
Two or more atoms held together with bonds make up a molecule. Thus option a is not a true statement.
What is covalent bond?A covalent bond is defined as a chemical bond that includes the sharing of electron pair between atoms.
The pair of electrons are know as bonding pairs and the stable balance of attractive and repulsive forces between atoms.
The properties of covalent bond are mentioned below:
The covalent compounds have low melting points and boiling points.
The covalent compounds do not contain electricity.
The covalent compounds are having lower enthalpies of vaporization and fusion.
The covalent compounds are easily catches fire and are more flammable than ionic compounds.
The covalent compounds are very soft and flexible.
The physical properties of covalent compounds are that they have lower melting points and electrical conductivity.
Therefore, two or more atoms held together with bonds make up a molecule. Thus option a is not a true statement.
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Why has California’s kelp forest changed over time?
Answer:
By 2014, a huge clump of warm water developed towards the coast end, creating a catalyst that has additionally changed this underwater environment. The determined warmer sea temperatures stress the kelp forests to the point that growth and reproduction have slowed drastically and caused damage to remaining fronds and tissue.