The real size of the cell observed under the electron microscope is 0.25 micrometers (µm). This is found by converting the image size to micrometers and then dividing by the magnification factor.
Explanation:In order to find the actual size of the cell, we need to divide the size of the image by the magnification. In this case, we need to divide 25mm by 100,000. As the result needs to be in micrometers (µm), we should first convert our measurements to the same units. Knowing that 1mm = 1000µm, we first convert 25mm into µm by multiplying by 1000, which gives us 25000µm. Now, divide 25000µm by 100,000x to get the actual size. This gives the real size of the cell as 0.25 µm.
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Which combination of factors would stop cell function?
Skin is sometimes referred to as the largest organ in the body. Why is skin considered to be an organ and not a tissue or some other structure?
Average Temperature of Layers
Unknown Layer Average Temperature
(°C)
A 4,500
B 1,300 to 2,500
C 5,000
D 0 to 1,300
Which layer is most likely the mantle?
Layer A
Layer B
Layer C
Layer D
layer d is de awnswer my guy
Plant and animal cells, while both eukaryotic, each have distinguishing characteristics. For example, plant cells contain chloroplasts, while animal cells do not. Which statement BEST elaborates on the reason for this difference?
A) Chloroplasts are needed for plant cells to rid themselves of waste. Animal cells do not produce any waste.
B) Chloroplasts help plants make their own food by converting light energy. Animals do not make their own food.
C) An animal cell has a cell wall, while a plant cell does not. Instead, chloroplasts line the outside of plant cells.
D) The DNA in an animal cell is housed in a nucleus, but plant cells do not contain nuclei; it is stored in chloroplasts.
The right option is; B) Chloroplasts help plants make their own food by converting light energy. Animals do not make their own food.
Plant and animal cells are eukaryotic cells (cells that have a definite nucleus and membrane bound organelles). The two cells are similar structurally, and functionally, but a few significant differences exist in each of them. Plant cells have chloroplasts (organelles that contain chlorophyll which absorbs sunlight) it uses to produce its food though photosynthesis. Animal cells do not have chloroplast. It uses mitochondria (an organelle that produces energy through respiration) to produce most of the cells energy from food. Mitochondria is also present in plants cells but it does not have the same function in plant cells.
ASAP!!!! What should be placed in the center of the this diagram?
A) World War II
B) The Korean War
C) The Vietnam War
D) Cuban Missile Crisis
Two or more organs working together form A) tissue. B) a group. C) a system. D) an organism.
Organs working together will form an organ system. Therefore ,option (C) a system is correct.
What is an organ system?An organ is a collection of tissues that work together to do its job, and an organ system is a group of organs that work together to do a certain job. There are eleven organ systems in a human body.
The respiratory system, the digestive and excretory system, the circulatory system, the urinary system, the integumentary system, the skeletal system, the muscular system, the endocrine system, the lymphatic system, the nervous system, and the reproductive systems are all considered to be part of the 11 organ systems.
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Which do animal cells need in order to maintain homeostasis
A: light energy
B: carbon dioxide
C: chemical energy
D: carbon monoxide
what groups of objects do you classify based on their observable characteristics
What are the four functions of the digestive system?
The digestive system involves all organs responsible for digestion. The four functions of the digestive system are digestion, absorption, excretion and assimilation.
What is digestion?Digestion is the breakdown of complex food materials into their simplest form, which is done by digestive system.
The main functions of digestive system are:
Digestion: breakdown of food.Absorption: The absorption of simple food into blood.Assimilation: movement of digested food molecules into the cells and are used. Excretion: the elimination of waste materials.Thus, these are the four functions of digestive system.
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If scientists were able to stop the tectonic plates from moving, people on Earth would no longer have
George is interested in insects and wants to do an experiment. Which of the following is a scientific question about insects that he could investigate with an experiment?
A. Do ants feel anxiety?
B. Why are there so many different kinds of insects in the world?
C. Are ladybugs prettier than beetles?
D. Do different food types affect the growth rate of beetles?
Answer: D. Do different food types affect the growth rate of beetles?
Explanation:
A scientific question can be define as the question that can be answered using the scientific methodology. The scientific methodology is based on the series of steps like making observation based on the question, composing the hypothesis, testing the hypothesis by using the experimentation process, concluding the results.
D is the correct option. This is because of the fact that growth rate of the beetles can be examined on the basis of different food types.
PLEASE help asap!!!! Please
Which description of tectonic plates are true?
A) number in the hundreds
B) move very slowly
C) move over the layer of Earth's mantle
D) can crush together to create mountains
Why is the ability to move important to animals
What can happen when you have taken much more than the normal amounts of vitamins?
Answer:
Taking vitamins is a daily routine that has millions of people around the world. However, taking too many vitamins can lead to an overdose and be dangerous to health.
Explanation:
For example, water-soluble vitamins (vitamin B1, B2, B3, etc.) are excreted from the body and are not stored in the tissues. However, an overdose of some of these vitamins can induce side effects, such as irreversible nerve damage, or liver damage.
Meanwhile, fat-soluble vitamins (vitamin A, D, K, etc.) do not dissolve in water and can be stored in your body's tissues. Due to the accumulation of these vitamins, they are likely to produce toxicity or harmful effects much more than water-soluble vitamins.
The amount of energy transferred from the primary producer to the primary consumer is (2 points)
100%.
10%.
1%.
.1%.
The Aleutian Trench is an area where the oceanic Pacific Plate is converging with the continental North American Plate. What can you conclude is happening in this area?
Final answer:
In the Aleutian Trench, subduction of the Pacific Plate beneath the North American Plate causes frequent earthquakes and volcanic activity, and is part of the seismically active Ring of Fire.
Explanation:
The Aleutian Trench is a region where the oceanic Pacific Plate is converging with the continental North American Plate. In this area, a process called subduction is occurring, where the denser oceanic plate is sliding beneath the less dense continental plate. This subduction leads to frequent earthquake and volcanic activity due to the melting of the subducted plate that forms magma, which can then rise to the surface to create volcanic cones. Additionally, the subduction zone in the Aleutian Trench area is part of a larger zone known as the Ring of Fire, characterized by high seismic activity and numerous volcanoes encircling the Pacific Ocean.
which of the following characteristics of the Arctic rabbit is specifically an adaptation to living in the tundra
A. small size
B. keen eyesight
C. strong legs
D. White Fur
Sorry if this is easy for you guys but I sometimes forget the answer
white fur s the answer
which type of selection leads to increased phenotypic and genetic variation
The answer is B. Disruptive selection
Good luck!
-RxL
What is the element's name and symbol? Is it a metal, nonmetal, or metalloid? Which family does it belong to? How many protons, neutrons, and electrons does its neutral atom have?
Nitrogen is one of the important elements for life. Nitrogen is present in DNA and proteins. It’s also a component of water chlorophyll air in plants, a pigment that’s critical for photosynthesis. Although nitrogen is present in the air, it can’t be consumed directly. It’s converted into usable form by bacteria animals plants .
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Answer:
Nitrogen is one of the important elements for life. Nitrogen is present in DNA and proteins. It’s also a component of (water, chlorophyll, air) in plants, a pigment that’s critical for photosynthesis. Although nitrogen is present in the air, it can’t be consumed directly. It’s converted into usable form by (bacteria, animals, plants).
1. chlorophyll
2. bacteria
Explanation:
the life span of a multicellular organism is?
Multi cellular organisms have larger and more effective therefore have a very long life span instead of a uni cellar organisms
Multicellular organisms have many cells that are grouped into different levels of organization. They are larger in size, more efficient and live longer than unicellular organisms.
What are Multicellular organisms?
A multicellular organism is an organism that consists of more than one cell. A multicellular organism is composed of many cells that are integrated and independent to varying degrees.
Multicellular organisms evolved together
1. By cellular specialization
2. By division of labor
3. Cells become efficient at a process
4. To become dependent on other cells for the necessities of life.
Humans, animals, plants and fungi are multicellular organisms that are very large in size and very complex and intricate in their structure as well as structure.
Thus, Multicellular organisms have many cells that are grouped into different levels of organization. They are larger in size, more efficient and live longer than unicellular organisms.
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What is the name of the pores, or holes, on the outer layer of the sponge that take water in?
Which two structures would provide a positive identification of a plant cell under a microscope? Question 1 options: ribosomes, chloroplasts cell wall, mitochondria cell wall, chloroplast plasma membrane, large central vacuole
Can someone describe how air moves and changes in convection currents in the atmosphere?
How might abundant amounts of food allow herons to reproduce more often?
the life rate for herons will increase, therefore leaving more herons to live until mating seasons
Select the forms or examples of solar energy:
heat energy
solar oven
rock sediments
petroleum
coal
light energy
there is more than one answer
Final answer:
The examples of solar energy are heat energy, solar oven, and light energy. Heat energy from the sun is directly used or converted into electricity by solar panels.
Explanation:
The forms or examples of solar energy from the provided list are heat energy, solar oven, and light energy. Solar energy, which includes both heat and light, can be used directly to produce thermal energy or can be converted into electricity using technologies like photovoltaic (PV) panels or solar thermal power plants. A solar oven is a device that harnesses solar energy to cook food or boil water, utilizing the heat generated by the sun's rays.
An example of heat energy being converted into another form of energy not mentioned in the text is in the case of solar panels, which convert the thermal energy from the sun into electrical energy.
is water found only in one state
Draw the structure of the peptide dtlh, showing the backbone and side-chain atoms, at its isoelectric point
Explain why the size of your muscles is the is partly an acquired trait and partly dependent on DNA
Answer:
The size of the muscle is partly dependent on the DNA and exercise.
This is because DNA traits is actually responsible for how a muscle formed in the body. This trait is usually gotten from the parents of the offspring.
In the same vein, exercises can also be responsible for the size of an individual’s muscle. Exercises help in the expansion and building of muscle tissues which makes it bigger.
How do we detect life on exoplanets?