Answer:
Structurally plant and animal cells are very similar because they are both eukaryotix cells they both contain membrane bound organisms such as nucleus method
True or false: If you take a thermal energy source and combine them with inorganic
molecules, you can create protein structures. Explain.
yes we can combine the thermal energy sources with inorganic molecules and we can also make a structures.
The thermal energy also called heat energy which are produces from the following sources such as combustion, burning of fossil fuels and microwaves etc.along with heat energy but few gases are also released which we can used for our own purpose.In case of inorganic molecules or compound are those which does not include carbon sources but other molecules like Sulphur , nitrogen etc.For the formation of any compound we need energy either to break the bond or to formed the new bond. For example to formed the diamond we burnt the coal at very high temperature and large amount of heat is supplied.Therefore, the energy and molecules can combine together to formed the biomolecular structure or any other molecular structure.
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Please give examples of null questions
Name
Review and Reinforce
10.
What is Energy? 6th Grade
Lesson 1 Chapter 1 Use pages 8-13
Understanding Main Ideas
Answer the following questions in the spaces provided.
2. How is power related to energy?
1. How are work and energy related?
energy is measured in Joules thesang unit as work
3. What are the two basic kinds of energy?
4. A girl who weighs 30 kg is inline skating at a speed of 5 m/s. What is
the girl's kinetic energy?
Date
5. A hat that weighs 5 newtons is hanging from a hook 1.5 meters
above the floor. How much gravitational potential energy does the
hat have?
6.
7. A
8.
9. gravitational
potential energy
energy
kinetic energy
potential energy
Building Vocabulary
Match each term with its definition by writing the letter of the correct definition in the
right column on the line beside the term in the left column.
Class
elastic potential
energy
a. potential energy related to an object's height
b. the ability to do work or cause change
c. energy associated with objects that can be compressed or
stretched-
d. the energy an object has due to its motion
e. energy that results from an object's position or shape
Answer:
all A 4 b 2 c 4 d8
Explanation:
The cell diagram below represents a nerve cell from a human.
Structure X represents the nucleus and nucleolus.
What additional organelles would need to be shown on this diagram to demonstrate that the cell can produce proteins?
Question 5 options:
ribosomes, smooth ER, lysosomes and vacuoles
mitochondria, vacuoles, lysosomes and ribosomes
mitochondria, chloroplasts, ribosomes and vacuoles
ribosomes, rough ER, Golgi apparatus and vacuoles
The additional organelles would need to be shown on this diagram to demonstrate that the cell can produce proteins are: ribosomes, rough ER, Golgi apparatus and vacuoles.
How are proteins produced?Proteins are formed by ribosomes that are going to make them from amino acids, this is done from a copy of DNA that comes from the nucleus, which is going to contain the information of the protein, each protein has your own DNA copy. Then when the ribosome has already formed the protein, it will be expelled through vacuoles and will move towards the golgi apparatus where it will finish modifying the protein and then it will be released through vacuoles into the environment. Ribosomes are found in the thick endoplasmic reticulum.
Therefore, we can confirm that the additional organelles would need to be shown on this diagram to demonstrate that the cell can produce proteins are: ribosomes, rough ER, Golgi apparatus and vacuoles.
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22 Magruder Road Fort Hancock, NJ 07732 732-872-1300 njmsc.org
HOW MUCH OCEAN?
Predict what percentage of the earth's surface is covered with water.
% (0%-100%)
To find out how close your prediction is, count the number of squares of land and water down each column. Add the numbers across in the
land row, divide by the total number of squares in the whole map, and then multiply by 100. Do the same for the water row.
Land
Water
Total number of squares in map:
(squares in a column)
x (squares in a row)
pers
(total squares).
TO
Land
Water
To
22
P
Ratio
(of sq/total # of sq)
☆
Decimal
Totals
Percent
(decimal x 100)
What is meant by food insecurity?
The potential decline in agricultural productivity due to reduced soil fertility as a
result of multi-cropping.
The condition in which people live with chronic hunger and malnutrition likely due to
poverty.
The increased pressures on food production as a result of increases in global
population.
The potential decline in agricultural productivity due to conservation tillage.
Can you make a sentence with the words cell, microorganism, nanometer, microscopic, micrometer, and molecule?
A micro-organism is made up of molecules called cells which can be seen through microscopic techniques with diameter ranging from 0.1-100 micrometer and a DNA of 2.2-2.6 nanometers.
What is a Cell?A cell is the fundamental unit of life. Every living organism is made up of cell.
A cell has three main parts i.e., the cell membrane, the nucleus and the cytoplasm. The cell membrane is the outer-covering of the cell. Nucleus is the organelle which contains important genetic information in the form of nucleic acids- DNA or RNA. Cytoplasm is the fluid fills the cell. All the organelles are suspended in cytoplasm.
Therefore, Cell is the smallest unit that can survive independently.
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If you are stirring sugar into your morning coffee, why do the sugar grains appear to disappear?
*
1 point
The sugar is transforming into coffee molecules due to dissolving
The coffer and sugar are combining in a chemical reaction to create a new, sweeter coffee
The grains of sugar are being pulled apart by polar molecules in the coffee to create the solution
.Which statement about fertilization strategies is true?
A. Internal fertilization mostly occurs in fish and amphibians.
B. Internal fertilization results in eggs that develop outside the female's body.
C. External fertilization is common for animals that live in water.
D. External fertilization occurs in all land animals.
Answer:
C. External fertilization is common for animals that live in water.
Explanation:
The fluid-mosaic model of cell membranes refers to the discovery that membranes are composed
of a bilayer of phospholipids with proteins embedded; both phospholipids and proteins can easily
flip from inside to out (or vice versa), but cannot move laterally in the membrane.
O True
O False
Answer:
False
Explanation:
The fluid mosaic model describes the cell membrane as a tapestry of several types of molecules (phospholipids, cholesterols, and proteins) that are constantly moving.Membrane proteins and phospholipids are unable to move back and forth between the inner and outer leaflets of the membrane at an appreciable rate. However, because they are inserted into a fluid lipid bilayer,both are able to diffuse laterally through the membrane.
Individual phospholipids and proteins can rotate and move laterally within a bilayer.
Hope this helps!
Dendrites send information from other dendrites. The cell body _____ that information and sends a signål through the _______ to other dendrites. Then, when the signal is received by other neurons. Then, those neurons ______
A neuron's (nerve cell) dendrites are its outgrowths, which are where it receives signals (information) from other neurons. Electrochemical signals are used to transmit information from one neuron to another.
The portion of a neuron's body that houses the nucleus and regulates cell activity is referred to as the cell body or soma.
The axon, which transmits information to other neurons, and the dendrites, which carry information to the neuron, are connected by the cell body. The dendrites transmit signals to the cell body when a neuron receives information from another neuron. Depending on the signal's strength, the cell body may then deliver the information to the axon.
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Why are biogeochemical cycles important?
Earth is a closed system. That means the amount of rocks, metals, carbon, nitrogen, oxygen, and water on Earth
. So, it is essential that biogeochemical cycles
these materials as they move through Earth's subsystems.
The biogeochemical cycles important the Earth is a closed system. That means the amount of rocks, metals, carbon, nitrogen, oxygen, and water on Earth
Earth is a closed machine. which means the amount of rocks, metals, carbon, nitrogen, oxygen, and water on this planet can lower because of many natural destruction techniques which are continuously going on in our surroundings.cycle of biogeochemistryA chemical substance travels thru each biotic and abiotic regions of the earth through the biogeochemical cycle. Biogeochemical cycles are the motion of chemical vitamins which includes carbon, oxygen, nitrogen, phosphorus, calcium, and water thru the organic and bodily surroundings. despite the fact that there can be factors in a few cycles wherein the element is saved or retained for a long time, in essence, the detail is recycled.To know more about biogeochemical cycle visit
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Which of these characteristics would disqualify a newly discovered biological structure from being called a cell?
A. It cannot exchange materials with its environment.
B.
It does not contain membrane-bound organelles.
C. It lacks a method for moving and gathering food.
D. It has no stiff outer layer for support and protection.
The characteristics that would disqualify a newly discovered biological structure from being called a cell is the lack of a stiff outer layer for support and protection (option D).
What is a cell?A cell is the basic unit of a living organism, consisting of a quantity of protoplasm surrounded by a cell membrane, which is able to synthesize proteins and replicate itself.
One major feature of every cell is the possession of a membrane that surrounds the cell, which is called cell/plasma membrane.
According to this question, the characteristics that would disqualify a newly discovered biological structure from being called a cell is the lack of a stiff outer layer for support and protection.
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Earth's interior is made of several different layers.
Which problem does this model of Earth solve?
A. Finding out what makes up Earth's layers requires special tools.
B. Taking a picture of Earth's interior is impossible.
C. Earth's interior is very hot and too dangerous to study directly.
D. Earth's interior layers formed too long ago to observe directly.
The geochemical and geodynamic models explain the Earth's interior and structure from different points of view. Both of them are equally valid and useful. Option B. Taking a picture of the Earth's interior is impossible.
What are the models of the Earth's interior?
Two models explain the interior structure of the Earth according to its chemical composition (mineral nature) and the physical behavior of the materials composing it (seismic wave propagation).
The first one is the geochemical model. It divides the Earth's interior into the core, the mantle, and the cortex.
The second one is the geodynamic model, which divides the Earth's interior into endosphere, mesosphere, and lithosphere.
Both of them are equally correct and closely related to each other. Using one or the other while carrying out research will depend on the goals of the research.
These models are a great way to interpret the Earth' interior and a solution to the fact that no real image can be taken as a whole to explain its structure.
The correct answer is B. Taking a picture of the Earth's interior is impossible.
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9. Write the approximate location of Abidjan, Côte d'Ivoire, using latitude
and longitude.
The approximate location of Abidjan, Côte d'Ivoire, using latitude 5.345317
and longitude -4.024429.
However, because it is the largest city and the hub of the nation's economic activity, Abidjan has been formally recognised as the "economic capital" of the nation. Foreign embassies and practically all other political institutions are still housed in Abidjan.
Except for a few neighbourhoods, Abidjan is an extremely costly place to live. The cost of food is fairly low, and restaurants and fast food joints (mainly Lebanese) are constantly busy. Avoid the buses and "Warrens," which are unreliable yellow taxis, even if they are quite reasonably priced.
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Which action is an example of using scientific thinking to make inferences?
A. Researching existing knowledge about the natural world
B. Using tools or measurements to collect data
C. Asking questions and being curious about the natural world
OD. Analyzing data and observations to form conclusions
SUBMIT
Option D: An example of using scientific thinking to make inferences is analyzing data and observations to form conclusions.
Scientific thinking is a step included in a scientific investigation. Scientific investigation is a plan to observe different aspects of nature, ask questions, and draw possible answers. Steps to scientific investigation involve making observations, asking a question, forming hypotheses, testing hypotheses, and concluding. The last and most important step is communicating the conclusions with others. This allows others to test what was produced in a scientific investigation and whether the claims are true or not.
Conclusions are formed on the basis of data and observations made in a research. Any hypothesis that a scientist claims needs to provide evidence. None of the evidence can be true wholly. That's why, conclusions are made on the basis of their studies and evidence for those studies. Another scientist may find another result that may not support the previous hypotheses and thus the hypothesis may be proved wrong. The more evidences for a hypotheses are provided, the more chances the conclusion made was true.
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Nucleic acids contain three basic components. Which one of these is NOT
one of them.
a. A 5-carbon sugar
O b. A phosphate
O c. A nitrogenous base
O d. A carbonyl
Answer:
O d. A carbonyl
Explanation:
Nucleotides have three components: pentose sugar (5-carbon sugar), phosphate group, and nitrogenous base.
When you walk through the woods, what would be some examples of things you would
see that would NOT undergo cellular respiration?
Examples of things I would see that would not undergo cellular respiration when I walk through the woods are as follows:
Stones/rocksDead twigs/leavesSoilWhat is cellular respiration?Cellular respiration is the biological process whereby living organisms synthesize energy needed for their metabolic activities by breaking down sugar.
Based on the above description of cellular respiration, it can be said that it is strictly a characteristic of living organisms, hence, cannot be undergone by non-living things.
According to this question, when one walks through the woods, examples of things that one would see that would not undergo cellular respiration are as follows:
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how many grams of calcium chloride would you add to water for a total volume of 500ml to make 5% solution
25gm of calcium chloride(CaCl2) added to water for a total volume of 500ml to make 5% solution
You must prepare a 5% calcium chloride (CaCl2) solution in order to answer this question. There should be 1000 grams of weight for every 1000 ml of water. The required CaCl2 for a 5% solution would then be:
5% * 500 ml * 1 g/ml = 25 g
Since 1 calcium and 2 chlorine combine to form calcium chloride, the molecular mass is calculated as (1*40) + (2*35.5) = 111 gram/moles. In such case, 25 grams of CaCl2 would be equal to 25/111 moles when divided by 111 grams.
The mole per 1000 ml of solvent is the molarity unit. Accordingly, the solution's molarity would be as follows: (25/111 moles) / (500ml/1000ml)= 50/111M= 0.45M
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Organize the steps of DNA replication
Answer:
Step 1: Replication Fork Formation. Before DNA can be replicated, the double stranded molecule must be “unzipped” into two single strands. ...
Step 2: Primer Binding. The leading strand is the simplest to replicate. ...
Step 3: Elongation. ...
Step 4: Termination.
Explanation:
Desalination is a process by which salt is removed from a salt water solution. This process is done by heating water. Why would heating the water separate the solute and solvent in this case?
*
1 point
The water will evaporate before the salt, thus turning it into a gas and leaving the salt behind
The heat will cause the particles of the solution to move so fast that they shake themselves apart
The water and salt will undergo a chemical change from the added heat. One of the indicators of chemical change is a change in color, so you will be able to see which is water and which is salt and separate them
Heating salt water will separate the solvent from the solute because the water will evaporate before the salt, thus turning it into gas and leaving the salt behind.
What is evaporation?Evaporation is a process whereby molecules of liquids gain energy and change to gas.
In chemistry, evaporation can be used to separate a mixture containing water and salt. This is because water boils and evaporates before salt.
Since water forms the solvent that dissolved the salt, once it evaporates off the mixture, what is left behind would be the solute, the salt.
Before the molecules of the salt can think of evaporating, they will first have to become a liquid - melt. After melting, the liquid molecules can then gain energy to evaporate.
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What kind of bond unites the atoms inside a water molecule
Answer:
hydrogen bonds
Explanation:
hydrogen bonds
In the case of water, hydrogen bonds form between neighboring hydrogen and oxygen atoms of adjacent water molecules. The attraction between individual water molecules creates a bond known as a hydrogen bond.
The simplest type of a substance is a compound true or false
Answer:
True
Explanation:
Elements and compounds are examples of pure substances. The simplest units of elements and compounds are atoms and molecules. We find that these pure substances only contain one type of particle.
The following map was created using modern technology to determine the overall temperature of the oceans. what can be concluded about the relationship between temperature and salinity from the map?
Public Domain
O Salinity is lower in areas that have decreased precipitation
O There isn't a correlation between temperature and salinity
O Lower temperatures cause an increase in evaporation, which affects salinity
O Higher temperatures cause an increase in evaporation, which affects salinity
Answer:
It could relate to a salinity map because when the temperature rises so does the salinity. With this map it is more warmer in the middle of the oceans, and towards the outer parts of the oceans it is more colder.
Explanation:
Answer:
It's D
Explanation:
Higher temperatures cause an increase in evaporation, which affects salinity
Which statement describes homeostasis?
Responses
a. It is a process of maintaining an internal state of balance for an organism.
b. It is a process of maintaining an external state of balance for an organism.
c. It is how an organism reacts to external factors.
d. It is how an organism reacts to internal factors.
Answer:
a. It a process of maintaining an internal state of balance for an organism.
Explanation:
It is the ability of a system or living organism to adjust it's internal environment.
what infomation does DNA provide to all of the cells organelles?
It gives information to every cell organelle to perform its own functions.
The DNA is called deoxyribonucleic acid and is the hereditary material in organisms and is responsible for all the characteristics and traits represented by an organism DNA is very important as it brings variation and also evolution the generations which also increases the rate of survival and also the desirable and improved characters and also it leads to natural selection and the survival of the fittest and DNA also helps in providing information to the cell organelles like every cell organelle has their own function and DNA is present in the nucleus which is called as the brain of the cell and this provides the information to every cell organelle that when they need to work and what they need to work for example the Golgi apparatus has the work to pack the material and transport it from one place to another in the body or ribosomes to make proteins or to some they give information to phagocyte itself whenever a foreign agent enters the body so that they doesn't harm the immune system of the body and the DNA is also present in mitochondria and cholroplast so they also can function as semi autonomous body and they also direct to their function because of DNA to perform the powerhouse of cell and generating ATP.
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Why is melted ice cream an example of a physical change? A. Changing from solid to liquid has not kept the molecules and atoms intact, which means the matter has changed. B. Once ice cream changes from a solid to a liquid, the matter has changed cannot be returned to its solid form. C. Even though the form has changed from solid to liquid, the matter has not changed. D. The form has changed from solid to liquid, and the atoms from two kinds of matter have made a completely different substance.
Each year, volunteers of the local WaVE (Waves are Very Exciting) group hold an annual meeting for new members. This year you have been asked to give the introductory speech at the meeting in which you will explain to members the importance of waves in the world. Your two-paragraph speech should include the following:
• general properties shared by all waves.
• how waves affect matter at the macroscopic and particle levels.
• the difference between the three types of mechanical waves.
The speech should be appropriate for a formal audience, and must include a topic statement, transition phrases, and the science vocabulary from the word bank.
WORD BANK
longitudinal wave
mechanical wave
medium
surface wave
transverse wave
wave
wave cycle
wave pulse
Speech on wave includes:
The pace at which an object's position changes as perceived from a particular point of view and as measured by a particular unit of time (for example, 60 km/h northbound) is defined as its velocity. Velocity is a fundamental concept in kinematics, the branch of classical mechanics that deals with the motion of bodies.In order to be defined, the physical vector quantity known as velocity needs to have both a magnitude and a direction. Speed is a coherent derived unit whose quantity is measured in meters per second (m/s or m/s1) in the SI. Speed is the scalar absolute value (magnitude) of velocity (metric system). "5 meters per second," for example, is a scalar as opposed to "5 meters per second east," which is a vector.
In a macroscopic object, each particle's wave is absorbed and combined with the waves of other particles to create a single wave that serves as a representation of the whole entity. The observation of this object causes the wave function to instantaneously collapse.When you know anything about the world around us, some wave somewhere experiences a collapse.
In other words, if an object can be seen, it does not have a wave function.
Visualize your thing as a long string for the transverse wave. You hold the other end while securing the other end to a tree to exert pressure on the string. Then, when you move the end of the string you are holding up and down, the thread is seen sliding down in the direction of the tree. As a result, the medium (the string) moves perpendicular to or transverse to the direction of motion. In other words, a transverse wave is being created by you!
Compression waves and pressure waves are additional terms for longitudinal waves. When a wave travels through space in a longitudinal direction, the medium also moves in that direction. To further understand this, picture a liquid in a tube with a piston or plunger at one end and a stiff wall at the other. The liquid (the medium) travelling down the tube experiences variations in pressure and displacement when the piston is compressed.
Surface waves cross the gap between two dissimilar media. Examples include seismic waves, which often result from earthquakes, or ocean waves. Because the molecules in the medium spin as a result of surface waves, neither transverse Transverse, which literally means "across," usually refers to a path or plane that is neither longitudinal nor perpendicular to a part's axis. They can be thought of as having both transverse and longitudinal components, though. Surface waves' electromagnetic equivalent, ground waves, is addressed in another section of this book.
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Carbon dating is an example of a practical application of
Carbon dating is an example of a practical application of proving or disproving theories.
Carbon dating :Carbon dating is now used to date almost everything that is over 100 years old. It is accepted as fact and used as evidence to learn about the world and past civilizations. Carbon dating, on the other hand, is at best a good theory, and that is all it is. Many people overlook the definition of a theory.
What is carbon dating based on?The basic premise of radiocarbon dating is straightforward: all living things absorb carbon from their surroundings, including a small amount of naturally radioactive carbon-14. When a plant or animal dies, it no longer absorbs, but the radioactive carbon it has accumulated continues to decay.
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Arjulia soaked six different kinds of seeds in water for 24 hours. Then she planted the seeds in soil at a depth of 1 cm. She used the same amount of water, light, and heat for each kind of seed.
Answer:
a
Explanation: