Answer: A cell is the smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane. Microscopic organisms typically consist of a single cell, which is either eukaryotic or prokaryotic.
Explanation:
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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)
Which statement is correct about scientific laws and theories?
They can change into one another.
They both describe a phenomenon.
They serve different purposes in science.
They both explain a phenomenon.
The statement that is correct about scientific laws and theories is they both explain a phenomenon. The correct option is D.
What are a theory and a scientific law?A theory is an explanation of any scientific phenomenon. The theory is given by experimenting with any phenomenon by using variables and testing them, then giving the theory.
A scientific law is a law that is made about any phenomenon in nature. They both explain the secrets of things in the natural world. They have verified forms.
Thus, the correct option is D. They both explain a phenomenon.
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what are other ways that wite blood cells protect the body other than
producing antibodies
White blood cells engage in defence-related functions by consuming foreign objects and cell debris, eliminating pathogens and cancer cells, or by creating antibodies.
The immune system of the body includes white blood cells. They support the body's defences against illness and infection. Granulocytes (neutrophils, eosinophils, and basophils), monocytes, and lymphocytes are different types of white blood cells (T cells and B cells).
You run a higher risk of getting sick if your white blood cell count is low, especially if your neutrophil count is low. Additionally, your body is unable to defend itself if you contract an illness when your white blood cell count is low. In some situations, the infection might be fatal.
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How does phospholipid structure relate to the selective permeability of the plasma membrane?
Answer:
The structure of the plasma membrane makes it selectively permeable, enabling it to regulate the transport of substances into and out of the cell.
Explanation:
1 ×××÷÷÷=×÷×××5by the space root
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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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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.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 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.
How is the earth different from all of the other planets?
It has rocky surface
It is warmed by the sun
It has a breathable atmosphere
It rotates on its axis
it rotates on its axis.have a good day:)
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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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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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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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:
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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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:
Hi can someone please help me with these!
19. Placebo group, because they’re testing it. Surgeries are known to work.
20. Surgery group, for the same reasons.
21. Knee functionality, because that (supposedly) DEPENDS on whether the patient gets a surgery or not.
22. Quantity and/or presence of tiger urine
23. Whether or not the deer are repelled, as that depends on the tiger urine.
24. Not sure for this one, sorry. It doesn’t look like there’s enough information present to identify a control group.
25. Sorry, but I’m not sure what this is. Hope the other answers help, though.
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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Describe and discuss the different notions of the self from the points of view of various philosophers across time and place
The different notions of the self from the points of view of various philosophers across time and place:
CarryOnLearning
The current volume explores the Self from a range of significant philosophical vantage points, including phenomenology, psychoanalysis, metaphysics, and neurophilosophy. It covers a wide range of specialised topics, including personal identification, self-distinction, psychopsychologies, and mind-body issues.
A self is just a person, a conscious, alive human being. The reflexive pronouns "myself" and "yourself" are formed with the particle "self," and they relate to people. The straightforward theory of selves is that they are people.
They are existentialism, pragmatism (also known as experientialism), realism, and idealism. We'll go over each one shortly. The foundation or root from which the various educational philosophies are created can be found in these four main frameworks.
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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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True or False: flip flops are appropriate lab
footwear?
Answer:
False
Explanation:
You have to wear close footwear just in case a chemical substance falls on you.
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.
Please give examples of null questions
12 In a key about
fish, the species
are identified by
the length of their
bodies and by play
their body mass. Is
this key reliable?
Explain your
answer.
Yes, fish species can be distinguished from one another based on their mass and body length.
Which species do you mean?A biological species is a collection of animals that can reproduce with one another in the wild and produce healthy offspring.
Briefing:Every fish's body index is measured twice in relation to its usual value.Parallels between the two distinct fish circumstances and the parasite load are possible.Since parasite tissues are not host tissues, they were not taken into account when calculating a fish's mass for an index of bodily condition.If parasite mass was not taken into consideration, fish body condition was found to be overstated; as a result, there was a positive link between relative parasite mass and the level of overestimation of individual fish condition.Helminth parasites have no discernible impact on fish health, and fish health has no impact on parasite load.To know more about Species visit:
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Which of the following abiotic factors has the greatest influence on the population of deer that lives herds? Explain. Predatory animals Minerals found in the soil Temperature Bacterial infections
Option C: Temperature is the abiotic factor that has the greatest influence on the populations of the deer that live in the herd.
A deer population in an ecosystem is majorly influenced by the factors like climate, habitat, predators and availability of food. While temperature is the abiotic factor that may influence deer population for a herd.
Abiotic factors are the nonliving components of the environment that influence living beings and the ecosystem. Soil, water, sunlight, oxygen and temperature are the major abiotic factors that can influence the biotic components of an ecosystem.
Deer are highly valued and unique members of a wildlife heritage. They have been contributing to the benefit of the human population for much longer. Hence, they are trying to preserve a landscape by applying strategies to save them and provide an appropriate environment to the deer populations.
Out of the factors that influence deer populations, temperature is the only abiotic factor given in the question. Hence, option C is the correct answer.
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need help please!!!
I need a summary on the continental drift theory!!
Plss help meee pls :’0
Choose a plant structure and animal structure that serve a similar function in each
organism. Describe the structures and how they each organism survive.
Answer:
All living things, plant and animal, are made up of strikingly similar microscopic building blocks called cells, the basic structural and functional units of life.
Explanation:
Cells are in both animals and plants and will always operate the same. They might not be in the same place, but they all do the same thing just about.
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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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.
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.