What are factors that affect the state of matter
Answer:
If you consider the particles of each state of matter, it becomes evident that pressure and temperature are the major factors that affect the transitions of matter.
Temperature can cause molecules to move slower or faster.
Pressure can cause molecules to become more or less packed together.
Explanation:
Answer:
Temperature, it can cause molecules to move slower or faster.
Pressure, can cause molecules to become more or less packed together.
Which cell contains membrane bound organelles in addition to a cell wall and chloroplast
Answer:
Eukaryotic cells
Answer:
plant cells and eukaryotic algae
Explanation:
Only plant cells and some algae have chloroplasts.
Which of the following is composed of more dense tissue?
Select one:
O a. Epidermis
O b. Hypodermis
c. Dermis
What is (4c8m-7n)+6(3n-4n)
Process in which chemical energy is used to produce carbohydrates
Answer: photosynthesis
The process in which autotrophs capture light energy and use it to convert carbon dioxide and water into oxygen and sugars is called photosynthesis. The process in which autotrophs use chemical energy to produce carbohydrates is called chemosynthesis.
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Carbon is transferred from the atmosphere
to organisms through
A. Photosynthesis
B. Precipitation
C. Biogenesis
Answer: A. Photosynthesis
Carbon is absorbed from the air, and sunlight is also absorbed, so that the plant makes energy. More technically, the molecules from the carbon dioxide (CO2) combine with the water molecules (H2O) to form sugars for the plants. The plants then release oxygen for other animals and humans to breathe. When the plants are eaten by heterotrophs, the sugars the plants made are transferred to the animal that consumed the plant.
Which of the following macromolecules are a prominent part of animal connective
tissue such as cartilage and keratin?
A.carbohydrates
B.lipids
C.proteins
D. Nucleic acids
The correct option is C: Proteins
Proteins are essential for all living organisms as it carried out important function.
Proteins help in repairing all living organisms organs and as well as the tissues and cells.
Proteins help to protect the body against bacteria and viruses which is why they are said to be important macromolecules that are part of animal connective tissue.
Example of macromolecules is proteins.
Inconclusion The correct option is C: Proteins
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Please can you guys answer all these questions
Answer:
DNA-structure called a double helix.
Explanation:
__________ is a device that can detect changes in the strength of the magnetic field. *
A) magnetometer
B) sonar
C) satellite
D) GPS
Answer:
A
Explanation:
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how does making a model of DNA help you understand its structure
Answer:
Las instrucciones que determinan todas las características y funciones de un organismo se encuentran en su material genético: el ADN (ácido desoxirribonucleico).
El conocimiento del ADN, su estructura y función, fue determinante para el desarrollo de la biotecnología moderna.
La estructura de doble hélice del ADN, que los investigadores James Watson y Francis Crick propusieran en el año 1953 proporcionó respuestas a muchas preguntas que se tenían sobre la herencia. Predijo la autorreplicación del material genético y la idea de que la información genética estaba contenida en la secuencia de las bases que conforman el ADN.
Explanation:
The monomer of carbon is:
Answer:
A polymer
Explanation:
"A polymer is a large molecule that is made up of many smaller, repeating molecules, called monomers, which are joined together by covalent bonds. "
biology - year 8 Hey pls help me with the questions below
Answer:
1. plant use sunlight , carbon dioxide,water. 2. Gulcose and oxygen
4.a)xylem b)phloem
6.leaves
8.roots,stems,flowers,leaves
Squirrel
Rock
Grass
Bird
Trash / Trash Can
Sunlight
Water
Tree
A Sign
Car
Fallen Leaf
House
Shrub / Bush
Flower
Soil
- CLASSIFY THESE ITEMS BELOW IF THEY ARE abiotic or biotic
Why doesn't your body swell if you drink a lot of water ?
Answer:
Drinking too much water can result in a condition called ... When the body can't rid itself of excess water, cells swell to ... You may also feel nauseous if your body's water-to-sodium ratio is out of ... “Fluid doesn't just come from water, but from any beverage you drink, as well as many foods,” Every part of your body needs water to function. When you are healthy, your body is able to balance the amount of water that enters or leaves your body. A fluid imbalance may occur when you lose more water or fluid than your body can take in. It can also occur when you take in more water or fluid than your body is able to get rid of. Causes Your body is constantly losing water through breathing, sweating, and urinating. If you do not take in enough fluids or water, you become dehydrated. Your body may also have a hard time getting rid of fluids. As a result, excess fluid builds up in the body. This is called fluid overload (volume overload). This can lead to edema (excess fluid in the skin and tissues). Many medical problems can cause fluid imbalance: After surgery, the body usually retains large amounts of fluid for several days, causing swelling of the body. In heart failure, fluid collects in the lungs, liver, blood vessels, and body tissues because the heart does a poor job of pumping it to the kidneys. When the kidneys do not work well because of long-term (chronic) kidney disease, the body cannot get rid of unneeded fluids. The body may lose too much fluid due to diarrhea, vomiting, severe blood loss, or high fever. Lack of a hormone called antidiuretic hormone (ADH) can cause the kidneys to get rid of too much fluid. This results in extreme thirst and dehydration. Often, a high or low level of sodium or potassium is present as well. Medicines can also affect fluid balance. The most common are water pills (diuretics) to treat blood pressure, heart failure, liver disease, or kidney disease.
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identify the type of study if the psychologist is observing and recording behavior
A. Case
B. Survey
C. Naturalistic
Answer:
Survey
Explanation:
Because in the question it says OBSERVING and a synonym of abserving is surveying or survey
Answer:
naturalistic
Explanation:
The human population has increased rapidly since the 1700’s. For most of human
history, there were fewer than half-billion people on Earth. In mid- 2009, 6.7 billion
people inhabited our planet. Because of these, extensive pollution is everywhere. As
a student, what can you do to save not only a particular system, but the Earth
itself? Write your answer in the table.
Answer:
to sow awareness in the community about the importance of caring for our environment
Explanation:
The pollution is the adverse introduction of contaminants in the environment by human action. Pollutant compounds have different origins and they appear in the form of chemical substances, noise, heat, light, etc. The best way to avoid pollution on our planet is to raise initiatives for improving environmental policies and thus promoting sustainability in our communities. It seems like a small contribution, but it is important to have into account that behavior change is the most powerful thing that we have to produce big results.
Some good ways to avoid pollution are:
-Restricting the use of the wood stoves
- Reduce the kilometers in your car
-Avoid burning trash, and other substances
- Avoid the use of plastic material (such as plastic bottles)
Use of electric vehicles, grow more trees, dumping waste material far from the water bodies and avoid cutting of forests.
In order to save the earth we have reduce those activities which produces pollution, grow more trees, dumping waste material far from the water and avoid cutting of forests. We have to use electric vehicles as compared to vehicles which runs on the fossil fuels because electric vehicles produces no pollution.
Whereas fossil fuel vehicles produces high amount of carbondioxide which causes global warming and climate change. Planting of trees cleans the air and reduces pollution so we can say that these actions can save our earth from destruction.
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What group of organisms are responsible
for capturing energy within ecosystems?
A bacteria
B consumer
C. contaminants
D. producers
Answer:
It is D) Producers
Explanation:
:))
HELP ME PLEASE! List the steps scientists for using technology to find the half-life of an isotope.
For radioactive materials with short half-lives, you use a very sensitive calibrated detector to measure how many counts per second it is producing. Then using the exact same set up you do the same at a latter time. You use the two readings and the time between them to determine the half-life. You don’t have to wait exactly a half-life, you can do the math with any significant time difference. Also, you don’t need to know the absolute radioactivity, as long as the set up is the same you only need to know fraction by which it changed.
For radioactive materials with long half-lives that won’t work. Instead you approach the problem differently. You precisely measure the mass of a very pure sample of the radioactive material. You can use that to calculate the number of atoms in the sample. Then you put the sample in a counter that is calibrated to determine the absolute number of disintegrations happening in a given time. Now you know how many of them are disintegrating every second. You use the following equations:
Decays per Second = (Number of Atoms) x (Decay Constant)
Half-life = (Natural Log of 2) / (Decay Constant)
And you can calculate the half-life
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Which statement best describes a major difference between different types of elements?
A. Only some elements are composed of atoms with electrons.
B. Only some elements have atoms with subatomic particles.
C. The atoms of different elements have different locations for their nucleus.
D. The atoms of different elements have different numbers of protons and electrons.
Answer:
option number C may be the best answer..
A student puts drops of Lugol’s iodine solution into the water in the beaker shown. The water turned red. After a short time, the starch solution inside the dialysis tubing turned black. Which function of the cell membrane was the student demonstrating?
Facilitated diffusion of starch
Active transport of hydrogen ions.
Diffusion through a non-permeable membrane
Diffusion through a semi-permeable membrane
Answer:
Diffusion through a semi-permeable membrane
Explanation:
A membrane that would only allow water, ions and certain molecules to pass through it by diffusion while restricting other large molecules molecules from passing through is called semi-permeable membrane
The iodine molecules were dissolved in the water in the beaker to form iodine solution.When the starch in the tubing was immersed into the red iodine solution, the molecules of iodine diffuse across the tubing walls which acts as the cells membrane -selectively permeable membrane to react with the starch solution. The reaction turns the starch blue black
The characteristic of the cell membrane is due to the lipid bi-layer which allow certain substance pass through while restricting others because of the inner hydrophobic (water hating) and outer hydrophilic phospholipid layer. (water loving layer)These forms the double bi layer to selectively control the movement of substances across it.
Which combination of atoms will form a molecule but not a compound?
Answer:
Any element
Explanation:
for example, oxygen is combination of atoms but not a compound, it is an element
When a mouse eats grass only 10% of the energy from the plant is transferred to the mouse what happens to the other 90%
define the term “cellular respiration” using the words energy,carbon dioxide,and oxygen.
Answer:
Cellular respiration is the process of cell catabolism in which cells turn food into usable energy in the form of ATP. In this process, glucose is broken down in the presence of molecular oxygen into six molecules of carbon dioxide, and much of the energy released is preserved by turning ADP and free phosphate into ATP. This typically involves the transfer of oxygen and production of carbon dioxide and water as end products.
Explanation:
which is supported and sustained by planet
Answer:
Answer
Explanation:
Understanding planetary habitability is partly an extrapolation of the conditions on Earth, as this is the only planet known to support life.
Assessment started: undefined.
Item 1
Which statement best describes the role of DNA?
It provides a form of energy for cells.
It speeds up chemical reactions inside of cells.
It directly forms proteins.
It transmits genetic information to the next generation.
Answer:
It transmits genetic information to the next generation.
Explanation:
It provides a form of energy for cells. - this is false. DNA does not provide energy. It is the genetic material of the cell
It speeds up chemical reactions inside of cells. - this is false, this vis the role of enzymes when DNA is not
It directly forms proteins. - this is false. DNA does not directly form proteins. It forms proteins via an intermediate molecule, mRNA
It transmits genetic information to the next generation. - this is true. DNA is passed on during cell division to the daughter cells
Genetic engineering is the scientific process of changing the genome of an organism for specific purposes. Which genetically engineered food crop would have the greatest positive impact on the health of people in developing nations? rice that resists drought tomatoes that will ripen slowly cotton that is resistant to insect pests carrots that can be grown in cool temperatures
Answer: rice that resists drought
Explanation:
The genetic engineering is a process of developing healthy plants and crops. This enable the production of disease free, drought tolerant, and high yielding crops. Also, the crops can be grown in different seasons.
The genome of the plant is manipulated with that of the other plant or animal to develop desired characteristics in plants.
The rice that resists drought is the correct option. This is because the rice is the basic staple crop. It is consumed by people all over the world. It is consumed on the daily basis. The rice crops grow in the standing water, in the absence of appreciable amount of water rice may not grow. Thus, attaining resistance to drought in rice plants, will have a greatest positive impact on the health of the people of the developing nations. As more production of rice will enable people to obtain daily food.
is carbon dioxide good for the abiotic part of them ecosystem?
Answer: yes carbon dioxide is good for the ecosystem because some animals need that to stay alive and we in oxygen to stay alive and we help them by breathing out carbon dioxide.
ps:i tried
Explanation:
what are two characteristics of enzymes?
Answer:
Some characteristics of enzymes are as follows:
Enzymes are highly specific for a particular substrate. ...
Enzymes remain unchanged during the reaction itself. ...
Enzymes are very efficient, catalyzing about 1-10,000 molecules of substrate per second. ...
Explanation:
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Which statement is not part of the cell thoory?
A All living organisms are composed of one or
more cells.
B Cells como only froin oxisting cells.
C All colls have a nucleus.
D Cells are the basic units of structure and
function in an organism.
Answer:
c
Explanation:
all cells do not have an nucleus
What is the difference between a density-dependent and density-independent limiting factor?