Answer:
The earth itself isn't living but some thing on earth are living
Explanation:
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Answer:
The earth itself is not, however there are organisms on it that are.
If you are speaking of the ground, it's still not a living organism, because the ground does not meet the requirements of living organisms.
Explanation:
The earth (our planet) is not alive, and the earth on it is also not technically alive. Some people personify the Earth to be living, giving it the name "Mother Earth", but this is a misrepresentation.
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in cellular respiration, _ ATP molecules must be input to initiate the process of glycolysis
Answer:
If the question is how many ATP molecules must be input to initiate the process of glycolysis than the answer would be 2. This would result in the total net gain of 2, because while four ATP molecules are produce it requires two to begin the whole process.
What do conversion factors Always equal?
this model is supposed to help students understand how a volcano works. with that purpose of mind, what is the limitation of this model????
Answer: This model can show you how it works, But however it will not tell you how hot the lava is, And it won't react completely as a real one
Explanation: It says the purpose of this model is to help you understand, It will show you but it won't be an exact volcano
Answer:
The limitation of this model is that it does not accurately demonstrate the degree of dangerousness of the volcanoes.
Explanation:
The volcano is the natural phenomenon responsible for the release of magmatic material, ashes and gases from the Earth's interior to the surface. The eruption of a volcano has destructive consequences, especially in populated places. Among the losses are pollution of soil, water and air, destruction of vegetation and homes, in addition to deaths.
Although a volcano model demonstrates the shape and functioning of the volcano, these models do not accurately represent the danger that an active volcano represents as lava and all the smoke generated by volcanoes.
Question 2 (b) The membranes of both B cells and the cancer cells are largely composed of phospholipids. Explain how, when the membranes are fused, the polar parts of the phospholipids from one cell will interact with the phospholipids from the other cell and how the nonpolar parts of the phospholipids from one cell will interact with the phospholipids from the other cell.
The major component of cell membranes are lipids. They have two groups attached to them which are called “hydrophobic fatty acid tails” and “hydrophilic head”. B cells are called lymphocytic cells which provide immunity by secreting antibodies. Cancer cells are cells which continuously repeats itself to form a tumor structure.
When the polar parts interact hydrophobic tails are lined up with one and another. They form a membrane which diffuses creating a membrane of hydrophilic head on two sides facing water .Thus a brief explanation of how polar and the nonpolar parts combine are explained.
When cells fuse, hydrophobic phosphate groups of both cells interact with water; whereas hydrophobic fatty acid tails interact with one another in the interior of the bilayer.
The main component of the plasma membrane in all cells are monomers called phospholipids.A phospholipid is a lipid molecule composed of glycerol (the backbone of a phospholipid), two fatty acids, and a polar phosphate group head.The non-polar fatty acid chains are hydrophobic, while the negatively charged phosphate groups are hydrophilic.When forming membranes from monomers, phospholipid molecules of the membrane organize themselves as a bilayer.The polar phosphate groups tend to form hydrogen bonds with water and with other polar molecules on both the exterior and interior of the cell.The fatty acid chains of the phospholipids interact with each other, which help to stabilize the lipid bilayer structure and these interactions are responsible for the membrane's properties.In conclusion, when cells fuse, the polar phosphate groups interact with water on both the exterior and interior of the cell; whereas fatty acid tails interact with one another in the interior of the bilayer.
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Archimedes' Principle relates primarily to _____. density, mass, boiling and freezing buoyancy.
Answer:
buoyancy
Explanation:
According to Google "Archimedes' principle states that the upward buoyant force that is exerted on a body immersed in a fluid"
I know a lot on this topic but I wanted to be sure my answer was to the point instead of rambling. If you need further help let me know!
Answer:
buoyancy
Explanation:
What is the volume of a coffee pot
Answer:
A "12-cup" US coffeemaker makes 57.6 US customary fluid ounces of coffee, which is equal to 6.8 metric cups of coffee.
Explanation:
Emily wanted to see what battery lasted the longest. She put each battery into a clock and recorded the time that the clock stopped. She used Duracell, Energizer, Kroger bran, and EverReady. What is the control variable and the contstants?
The control variable in Emily's experiment could be any unchanged factor like clock type, while the constants are conditions that remained the same for all batteries tested. The problems provided focus on calculating energy content, battery life, and evaluating a company's product claim in a real-world context.
Explanation:In Emily's experiment, the control variable could be any factors she kept constant, such as the type of clock used, the environment in which the clocks were kept (temperature, humidity, etc.), and the start time for each battery. The constants are all the conditions that were kept the same for each battery tested to ensure a fair comparison, like the brand and model of clock, as well as the conditions under which the experiment took place.
Looking at the supplied problems, they deal with calculating energy content and battery life which are essential concepts in Physics, particularly related to electric circuits and power consumption.
Problem 91 touches upon statistical analysis with a real-world application in evaluating a company's claim about their product. It involves using a calculator to determine the probability of a sample mean being at a certain value or lower, which is an interesting application of statistics in a Physics context.
what do penguins need to survive
Answer:
Penguins need thick skin and a lot of fat.
Explanation:
To keep warm in cold weather. They also huddle together with their friends to keep warm. And they need a colony to help protect each other and the young ones.
Additional education is typically required to enter fields of law.
A.
True
B.
False
Answer:
B. False
Explanation:
Additional information is not typically required to enter the fields of law.
Answer:
TRUE
Explanation:
Although there are many fields of law that do not require additional education, lawyers do. I anwered False and got it wrong so it's TRUE
. Why do you think Latin is used instead of a more modern
language?
Answer:
Explanation:
No sarcasm is intended here, but which language would you pick?
English, French, Spanish, Italian, Greek or Russian, just to name a few. Latin is the root of many languages and most educated people understand enough of it to be able to identify what you are talking about.
A person lives in a new structure that complies with modern building codes with regard to earthquake safety. What is the best place for this person to take cover during an earthquake
Answer:
The correct answer would be to move under a table.
Explanation:
The best manner by which a person can remain safe at the time of an earthquake as suggested by the experts is to drop, cover, and hold on. Thus, the best thing one can do at the time of an earthquake is to drop and cover under a table and hold on.
The deadly things, which can turn fatal at the time of an earthquake would be to stand in a doorway or near a window or covering in a basement.
a chemistry student’s height is measured at 68.5 inches. How tall is the student in cm
Answer:
173.99 CM
Explanation:
68.5 * 2.54 = 173.99
If a chemistry student’s height is measured at 68.5 inches, then he would have been 174 centimeters tall.
What is a unit of measurement?A unit of measurement is a specified magnitude of a quantity that is established and used as a standard for measuring other quantities of the same kind. It is determined by convention or regulation.
As given in the problem a chemistry student’s height is measured at 68.5 inches and we have to find out his height in centimeters.
As we know, from the standard measurements,
1 inch = 2.54 centimeters
68.5 inches = 68.5 ×2.54 centimeters
= 174 centimeters
Thus, he would have been 174 centimeters tall.
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Why is information that has been peer edited more reliable than information that has
not?
Peer editors often check a writer's work for accuracy.
Peer editors charge money to publish information.
Peer editors make sure that spelling and grammar is correct.
Peer editors are more intelligent than writers.
Answer:
Peer editors often check a writer's work for accuracy.
Explanation:
A peer-reviewed report or scientific journal means the contents of the scientific journal or report have been scrutinized by other scientists and the results of any experiments/tests have been confirmed and corroborated for accuracy. Peer scientists replicate these experiments to check if they can get the same results indicated. Only then is the document positively reviewed and can be trusted for citations across the scientific community. Its a method of Quality Assurance in the scientific community.
What is a benchmark meaning in earthquakes
Answer:a time period where its at a low
Explanation:its break time
When does IPM use synthetic chemical pesticides?
Answer:
only as a last resort
Explanation:
The IPM or Integrated Pest Management only use synthetic chemical pesticides as a last resort. The IPM is a way to deal with the pests. It aims to decrease the population of the pests below normal level to avoid mass destruction of crops by pests and other insects.
Synthetic chemical pesticides are ruthless and efficient in doing their jobs but they also leave some damage behind. Most pesticides that use synthetic chemicals are harmful to the crops as well as for our bodies. Using them in large quantities is not recommended.
How do enzymes affect activation energy?
Answer:
Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy. Many enzymes change shape when substrates bind.
Explanation:
Enzymes affect activation energy by significantly lowering it. This reduction in activation energy increases the rate at which chemical reactions occur within cells. As a result, reactions that might occur too slowly or not at all because of high activation energies proceed rapidly in the presence of enzymes, facilitating the complex network of metabolic pathways necessary for life.
Activation energy is the minimum amount of energy required for reactants to transform into products in a chemical reaction. In biochemical processes, this energy barrier can prevent vital reactions from happening at efficient rates. Enzymes serve as biological catalysts that lower this barrier, making it easier for the reaction to occur without the need for excessive heat which is unattainable in living cells. These catalysts work by binding to reactant molecules, stabilizing the transition state, and thereby decreasing the necessary energy for the reaction. For instance, in cellular respiration, glucose is a key reactant transformed into energy. The production of glucose is through photosynthesis, which is an endothermic reaction because it requires energy input from sunlight. Proper nutrition and regular exercise are crucial for maintaining a healthy body as they ensure the availability of necessary substrates and optimized enzyme function for metabolic reactions.
what is reflex movements
Reflex movements are involuntary, quick responses to stimuli carried out by the spinal cord, bypassing brain control. They serve a protective function for the body and are crucial for understanding the health and development of the nervous system.
Reflex movements are triggered when sensory information is powerful enough to reach a threshold, and the interneurons in the spinal cord act to send a message back through the motor neurons, bypassing the brain's conscious control. For example, when you touch a hot stove and immediately pull your hand back, it's your reflexes in your spinal cord ordering the appropriate response before your brain processes what is happening. This demonstrates the reflex arc, which is fundamental for protecting the body from harm.
WILL GIVE 20 POINTS AND BRAINLIEST
In which direction does the tail of the molecule of the plasma membrane face?
away from water
toward the outside
toward the middle
toward the head of another molecule
Answer: C.) toward the middle
Explanation: The molecules are organized so that the "tails" of the two layers are in the middle.
The direction that the tails of plasma membrane usually face is toward the middle.
The plasma membrane can be regarded as membrane that serve as boundaries between the cell and environment. They can as well be referred to as cell membrane, they regulate transport of materials both inside and outside the cell, It has a lipid bilayer In the formation of cellular membranes, There is assemblage of the phospholipids into two parts, base on their properties.These are,:hydrophilic head
two hydrophobic tails
These properties are essential to plasma membrane because once phospholipids comes across water. the phospholipids will just rearrange itself so that the hydrophobic tails will be at the middle, facing each other , then the hydrophilic heads will face out.Because of the hydrophobic properties of the tail they always try to avoid water and that is why they face each other towards the middle.Therefore, option C is correct because the tails is hydrophobic in nature
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What substances are produced by cellular respiration?
O2 and H20
CO2 and C6H1206
O 02 and C6H1206
CO2 and H20
Answer:
CO2 and H2O is correct and now I just have to fill space sooooo
where would your find tension
Answer:To calculate the tension when a pulley is lifting 2 loads vertically, multiply gravity time 2, then multiply it by both masses. Divide that by the combined mass of both objects. When you're done, remember to write your answer in Newtons
Explanation:this is because to calu
Tension is the force along the length of a flexible connector, such as a string, rope, chain, or cable. It is a pull that acts parallel to the connector and in opposite directions at the two ends of the connector. In physics, tension is often used to describe the force exerted by a flexible connector when a perpendicular force is applied.
Explanation:Tension is the force along the length of a flexible connector, such as a string, rope, chain, or cable. It is a pull that acts parallel to the connector and in opposite directions at the two ends of the connector. In physics, tension is often used to describe the force exerted by a flexible connector when a perpendicular force is applied.
For example, consider a person holding a mass on a rope. The tension in the rope is the force exerted by the rope to support the weight of the mass. The tension would be larger if the rope is more horizontal and would be equal on both ends if the angles on either side are the same.
Another example is the tension in wires suspending an object, like a traffic light. When analyzing the tension in each wire, we can neglect the masses of the wires. The tension in each wire can be found by considering the equilibrium of forces acting on the object.
Homo erectus is believed to be the first confirmed species found outside of ___
Answer:Homo erectus is believed to be the first confirmed species found outside of Africa.
Explanation:
Answer:
Homo erectus is believed to be the first confirmed species found outside Africa.
Explanation:
The human race is believed to have evolved in Africa because the evidences of evolution of major human species are found in Africa. The fossil evidences of Homo erectus were found in Georgia, China etc before millions of years. Evidences of all the human species that lived on earth before Homo erectus were found in the continent of Africa.
All the human species that lived before Homo erectus didn’t stand upright and move in two legs. It was only from the period of Homo erectus that humans stood upright and moved in two legs.
Put the steps of Cellular Respiration in order.
1 1. In the Citric Acid/Kreb's Cycle the carbons that are left from the initial glucose are oxidized releasing more
CO2. NADH and FADH2 and 2 ATP molecules are produced.
12. Glycolysis takes place in the cytoplasm and breaks down glucose to form two molecules of pyruvate. 2 ATP
are produced and NADH is saved for later.
13. Two molecules of pyruvate move into the mitochondria where they are converted into Acetyl CoA. More
NADH is produced and CO2 is released.
4. In the electron transport chain, the NADH and FADH2 give up electrons, energy is released and captured as it
moves from a high concentration to a low concentration.
15. Energy is used to produce about 34 ATP. Oxygen is the terminal electron acceptor that combines with oxygen
to produce water
Answer:
The steps will be in order in the sequence 12,13,11,4 and 15
Explanation:
12. In glycolysis, glucose is converted into pyruvate. ATP and NADH ARE MADE.
13. Pyruvate is oxidized and converted into acetyl CoA in the mitochondria. Carbon dioxide and NADH are also made.
11. The acetyl CoA undergoes a series of changes and ATP, FADH2, NADH, and carbon dioxide are released.
4. NADH and FADH2 lose their electrons and get converted back into NAD+ and FAD.
15. Oxygen takes electrons and water is produced. 34 ATP molecules are released.
Answer:
In a global sense, Cellular respiration takes place with the following process: Glycolysis, Pyruvate oxidation, Citric acid cycle (Kreb's cycle) and finally the oxidative phosphorylation. This corresponds to 12, 13, 11, 14, and 15.
Explanation:
In a global sense, Cellular respiration takes place with the following process: Glycolysis, Pyruvate oxidation, Citric acid cycle (Kreb's cycle) and finally the oxidative phosphorylation. Now, we will organize the presented steps in order to achieve Cellular respiration as follows:
First step: 12. Glycolysis takes place in the cytoplasm and breaks down glucose to form two molecules of pyruvate. 2 ATP are produced and NADH is saved for later.
Second step: 13. Two molecules of pyruvate move into the mitochondria where they are converted into Acetyl CoA. More NADH is produced and CO2 is released.
Third step: 1 1. In the Citric Acid/Kreb's Cycle the carbons that are left from the initial glucose are oxidized releasing more CO2. NADH and FADH2 and 2 ATP molecules are produced.
Fourth step: 14. In the electron transport chain, the NADH and FADH2 give up electrons, energy is released and captured as it moves from a high concentration to a low concentration.
Finally, 15. Energy is used to produce about 34 ATP. Oxygen is the terminal electron acceptor that combines with oxygen to produce water
We can conclude that Cellular respiration takes place with the following process: Glycolysis, Pyruvate oxidation, Citric acid cycle (Kreb's cycle) and finally the oxidative phosphorylation. This corresponds to 12, 13, 11, 14, and 15.
Which temperature is colder, -187°C or -168°C?
In the comparison of temperatures, -187°C is colder than -168°C, as numerically lower temperatures on the Celsius scale represent colder conditions.
The question at hand is which temperature is colder, -187°C or -168°C. In terms of temperature measurement, a lower number indicates a colder temperature. Thus, directly comparing the numbers, -187°C is colder than -168°C because the value -187 is smaller (or lower) than -168 on the Celsius scale. Furthermore, the subject of temperature ties into the concept of the Kelvin scale, which is an absolute thermodynamic temperature scale with its zero point at absolute zero, the theoretical coldest possible temperature.
Scientific method lab results
Answer:
1.Observation and description of a phenomenon. The observations are made visually or with the aid of scientific equipment.
2.Formulation of a hypothesis to explain the phenomenon in the form of a causal mechanism or a mathematical relation.
3.Test the hypothesis by analyzing the results of observations or by predicting and observing the existence of new phenomena that follow from the hypothesis. If experiments do not confirm the hypothesis, the hypothesis must be rejected or modified (Go back to Step 2).
4.Establish a theory based on repeated verification of the results.
Explanation:
The scientific method is a structured approach used in scientific research. It begins with an observation, then a hypothesis is formed, and experiments are conducted to test this hypothesis. Lab results reveal whether the hypothesis was correct, needs revision, or is incorrect.
Explanation:The scientific method is a systemic approach used in science to find answers to questions or solve problems. It consists of a sequence of steps, each of which plays an integral part in the research process.
The first step is to make observations about the world around us. With observations, we form a hypothesis, which is a tentative explanation for the observed phenomenon. This hypothesis becomes the basis for the experiment, where we test to see if it holds true.
The lab results are findings obtained from an experiment. They provide detailed information on whether the hypothesis stands or not. They may either support the hypothesis, totally debunk it, or partially prove it. Analyzing and interpreting these results is key in scientific research. For instance, if your hypothesis is 'All plants turn towards the sunlight,' you would study several plant species over a period of time to either support or refute this hypothesis based on the results. If some plant species consistently do not turn towards the sun, your lab results would falsify the hypothesis, leading to its revision.
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Which statement best relates to how the structure of a lipid influences the lipid’s function?
A phospholipid has a charged head and an uncharged tail.
Lipids contain fatty acids and glycerol.
The ends of the lipid are attached to each other.
A lipid is made up of a long chain of phosphorus molecules.
Answer:
The correct answer is B) Lipids contain fatty acids and glycerol.
Explanation:
Lipids are mostly found in the cell membrane, where its function is to make a barrier for protection and control. Therefore, its structure facilitates the formation of a bilayer with two different types of solubility, due to the glycerol heads (hydrophilic) and the tails made of fatty acids (hydrophobic) located in the exterior and interior face of the membrane and on the middle, respectively.
Practice 1
Label each of the following as a cell, C; a tissue, T; ar
an organ, O; an organ system, S; or a whole organism, w
7. lung
1. bone
2. tongue
3. brain, spinal cord, nerves
4. red blood cell
5. honey bee
6. large intestine
8. brain stem cell
9. tongue, stomach, small intestine
10. muscle
11. tomato plant
12. cheek lining
Answer:
OrganOrganSCellWhole organismSOrganCellSWhole organismCell
Various structures in the human body are organized into levels, from cells to whole organisms. Each item listed is categorized as either a cell (C), tissue (T), organ (O), organ system (S), or whole organism (W) based on its role in the body's structure.
Explanation:The organization of the human body can be categorized into cells, tissues, organs, organ systems, and organisms. Let's label each of the following according to these categories:
Lung - O (Organ)Bone - O (Organ)Tongue - O (Organ)Brain, spinal cord, nerves - S (Organ System)Red blood cell - C (Cell)Honey bee - W (Whole Organism)Large intestine - O (Organ)Brain stem cell - C (Cell)Tongue, stomach, small intestine - S (Organ System)Muscle - T (Tissue)Tomato plant - W (Whole Organism)Cheek lining - T (Tissue)In summary, cells are the basic units of life, tissues are groups of similar cells that perform a common function, organs are composed of different types of tissues, and organ systems are composed of different organs that work together to perform complex functions. A whole organism comprises several organ systems working in harmony.
Which process requires cellular energy to move
molecules across the cell membrane from a regionof lower concentration to a region of higher concentration?
A. active transport
B. diffusion
C. osmosis
D. hydrolysis
Answer:
A
Explanation:i beleive its a because it needs to be active
Active transport is the process that requires cellular energy to move molecules across the cell membrane from a region of lower concentration to a region of higher concentration. It works against the natural flow of substances and requires energy, typically in the form of ATP, to facilitate this movement. Examples include the sodium-potassium pump and the transport of larger molecules.
Explanation:The process that requires cellular energy to move molecules across the cell membrane from a region of lower concentration to a region of higher concentration is known as active transport. Active transport mechanisms require the use of the cell's energy, typically in the form of adenosine triphosphate (ATP), to move substances against the concentration gradient. For instance, proteins within the cell membrane may act as 'pumps', using cellular energy to facilitate the movement of substances. Unlike passive diffusion and osmosis, which rely on the natural movement of substances from an area of higher concentration to a lower concentration, active transport must work against this natural flow, requiring energy.
Examples of active transport include the sodium-potassium pump, where sodium is pumped out of the cells and potassium is pumped into cells, both moving against their concentration gradients. Another example can involve the transport of larger molecules or ions through the cell membrane against their concentration gradient, which also requires ATP.
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A good question to use for a scientific investigation should be testable, and it should be connected to science concepts. Casey wants to do a scientific investigation about light. Which of the following questions would be best to use to guide his scientific investigation?
A) What color of light is the prettiest?
B) Which type of light bulb is easiest to catch?
C) Which type of light bulb burns the longest?
D) Which type of light bulb is preferred by moms?
Answer: C
Explanation:
Study island
Answer:C) Which type of light bulb burns the longest?
Explanation:The prettiness of light bulb cannot be directly measured. The question "Which type of light bulb is preferred by moms?" and the question about catching light bulbs are not related to scientific concepts about light or light bulbs. The best scientific question is, "Which type of light bulb burns the longest?"
what biological macromolecule is made up of monomers
Answer:
Carbohydrates, proteins and fats are the biological molecule that are made up of monomeric units.
Explanation:
Polysaccharides are the starches that are comprised of at least two monosaccharides. For instance, starch is made up of many glucose units. Proteins have amino acids as their monomer units.
There are twenty different amino acids that combines at different proportion to form different proteins. Fats are the lipids that have fatty acid and glycerol as their monomeric units.
12. Which organelles are known as the "power plants"
of the cell because they transfer chemical energy
from food to compounds the cell can use?
a. mitochondria
b. ribosomes
c. lysosomes
d. vacuoles
The organelles known as the 'power plants' of the cell are the mitochondria. They convert the chemical energy from food into compounds the cell can use, through a process called cellular respiration.
Explanation:In biology, the organelles that are referred to as the 'power plants' of the cell are the mitochondria. These organelles are responsible for the critical task of producing energy for the cell. This process works by converting chemical energy found in the food we consume into compounds that the cell can use. This is achieved through a process known as cellular respiration. Other organelles, such as ribosomes, lysosomes, and vacuoles, each serve their unique functions, with ribosomes responsible for protein synthesis, lysosomes for waste disposal, and vacuoles for storage, but it's only the mitochondria that does the work of a cell's energy 'power plant'.
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