Answers
The geometric shape that will best model the cells would be a flat round disc.
Modeling cells
The image is that of a structure containing many cells that are similar in appearance, most likely a tissue.
Each cell can be seen to be somewhat round in shape, typical of many animal cells.
Thus, in order to model such cells, flat round discs will be ideal. Using any other shape will be totally out of place.
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Related Questions
Can someone please help mePut them all in order
Answers
Answer:
The 4th one should be the 1st one
And the 1st one should be the 2nd one
And tge 2nd one should be the 3rd one and the 3rd one should be the 4th one.
Cells are usually very small. Why is it an advantage to have many small cells instead of one very large cell?
Select all that apply.
b
OOOO
Having a larger volume lets the organelles float around more.
The surface area of the cell determines how much material can be moved in and out.
The larger surface area prevents material from moving in and out of the cell.
It is important for cells to be able to move material in and out of the cell.
c
d
Answers
Answer:
C.
Explanation:
can organisms create their own energy? explain
Answers
Answer:
organisms have the amazing ability to make (produce) their own energy-rich food molecules from sunlight and simple chemicals.
Explanation:
Why are people scared of germs
Answers
A ___ studies abiotic factors.
a.geologist
b.paleontologist
c.biologist
d.botanist
Answers
Answer:
A
Explanation:
Answer:
Ecology
Explanation: Try figuring out what ecology is in your question
What would happen if complexes I-IV of the electron transport chain pumped protons in the opposite direction?
a. Too much ATP would be synthesized.
b. None of the other answer options is correct.
c. No ATP would be synthesized.
d. There would be too many electrons in the mitochondrial matrix.
Answers
Answer:
The correct answer is - c. No ATP would be synthesized.
Explanation:
In the electron transport chain there are four complexes, complexes I-IV, pumps the protons from the matrix of the mitochondria into the intermembrane space. This is the downhill movement of the electrons that helps in synthesizing the ATP molecules.
If the complexes move or pump the electron uphill or against the gradient there would be no ATP formation as there would be no interchange of proton and electron interchange.
Match each of Earth's spheres to the materials that make up the sphere.
biosphere
atmosphere
geosphere
hydrosphere
Answers
Answer:
1) Geosphere
2) Hydrosphere
3) Atmosphere
4) Biosphere
Explanation:
The mountains make the geosphere, water makes the hydrosphere, air makes the atmosphere, and the earth where life exists makes the biosphere. Thus, the correct options are 1. c. 2. d, 3. b, and 4. a.
What are the spheres of the earth?The earth has various spheres made of various elements. The geosphere has been constituted of the crust and the rocks that provide the habitat to the living organism. Hence 1. c is correct.
The hydrosphere has been constituted of the water element that includes underground water, and surface water, in the form of ice, vapor, liquid, etc. Hence, 2. d is correct.
The atmosphere has been constituted of air and gases that have various layers based on altitude and temperature. Hence, 3. b is correct.
The biosphere has been the sphere constituted of the ecosystem that contains all the life ranging from mountains to lands and oceans. Hence, 4. a is correct.
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( pls help lol ty ) { 30 points } [brainliest]
A medical imaging scan that includes a patient's right lung, heart, and left lung is examined. The scan doesn't indicate in which plane it was taken. Based on the contents of the image, which plane can be ruled out automatically?
A. The coronal plane
B. The sagittal plane
C. The anatomical plane
D. The transverse plane
Answers
Answer:
the anatomical plane...........
Challenge: In the process of photosynthesis, plants use carbon dioxide (CO2), water (H2O), and light energy to produce a sugar (C6H12O6) and oxygen (O2). In the process of aerobic respiration, animals and plants release energy from sugar and oxygen and produce carbon dioxide and water. The chemical equations that describe these reactions look like this:
6CO2 + 6H2O + light C6H12O6 + 6O2
C6H12O6 + 6O2 6CO2 + 6H2O + energy
How do these equations explain why the total amount of O2 and CO2 remains the same?
Answers
Answer:
Picture below
Explanation:
hope it helps
The total amount of O₂ and CO₂ remains the same because their 6 molecules of carbon formed glucose and the remaining 6 molecules of oxygen are released as by-products.
What is the difference between respiration and photosynthesis?Green plants make their own food through a process called photosynthesis, which transforms light energy into chemical energy.
Living things use the process of respiration to change oxygen and glucose into carbon dioxide and water, which releases a significant quantity of energy.
There are two stages to photosynthesis: light reaction and dark reaction. Inhalation and exhalation are the two phases of respiration. Because photosynthesis depends on light, it only occurs during the day. No organism can survive without breathing, which is a constant activity.
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characteristics of stone before placing it in water
Answers
Answer:
The characteristic of the stone before placing it in the water is of course dry because once you place it in the water it becomes wet.
Explanation:
Answer:
Round, tough, dry, firm, and solid.
Explanation:
Which statement does NOT describe external regulatory proteins?
1 They respond to events occurring inside a cell.
2. Growth factors are one group of external regulatory proteins.
3. They can speed up or slow down the cell cycle.
4. Some can cause cells to slow down or stop their cell cycles.
Answers
Answer: 1) They respond to events occurring inside a cell.
Explanation:
The rest DO describe external regulatory proteins except the first option.
Hope this helps :)
* please mark my answer Brainliest *
1. They respond to events occurring inside a cell.
External Regulators Proteins:
External Regulators Proteins that respond to events outside the cell are called external regulators. External regulators direct cells to speed up or slow down the cell cycle.Growth factors are among the most important external regulators.They stimulate the growth and division of cells.The three types of external regulators proteins are Cyclins, cyclin-dependent kinases (Cdks), and the APC/C.Therefore, the statement that NOT describe external regulatory proteins is Statement 1.
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The information a cell requires to meet its needs is stored in its
Answers
The information a cell requires to meet its needs is stored in its nucleus
Why can’t a purine hydrogen bond with another purine within the sugar phosphate backbone of DNA? State your reason with all the details that are required to answer the question for full credit.
Answers
Answer:
due to the structural-binding properties of the nitrogen bases
Explanation:
Adenine and guanine are purines (two-carbon nitrogen ring bases) that pair with thymine and cytosine pyrimidine nitrogen bases (one-carbon nitrogen ring bases), respectively. These specific base-pair rules are due to their hydrogen bonds (i.e., van der Waals forces), which stabilize the structure of the DNA helix. Cytosine and guanine have three sites to form hydrogen bonds to each other, while adenine and thymine have only two sites. The specific interactions between purines and pyrimidines are critical for proper bonding and attachment to the sugar-phosphate DNA backbone (i.e., for the formation of the DNA double-helical arrangement).
what are the levels of organization systems from simple to complex?
Answers
Answer:
maybe if you payed attention in class, you would know the answer.
Explanation:
A protein was not folded correctly after translation and needs to be degraded. Which organelle will this protein be transported to?
A. Mitochondria
B. Nucleus
C. Lysosome
D. Golgi apparatus
E. Rough ER
Answers
Answer:
The correct answer is - lysosome
Explanation:
Protein that are not correctly folded and needed to be degraded require help of lysosome an organelle that helps in degrading macromolecules.
It is also helps in digestion and regulate cellular functions by removing protein and molecules that are not required anymore and prevents from unwanted accumulation.
Which are correct examples of physical (P), chemical (C), and biological (B) barriers?
P: complement system; C: saliva; B: coughing
P: coughing; C: saliva; B: complement system
P: coughing; C: sneezing; B: complement system
P: complement system; C: saliva; B: sneezing
Answers
Answer:
(Explanation is answer) Hope this helps. Brainliest pls
Explanation:
The innate immune response is the first mechanism for host defense found in all multicellular organisms. The innate immune system is more ancient than the acquired or adaptive immune response, and it has developed and evolved to protect the host from the surrounding environment in which a variety of toxins and infectious agents including bacteria, fungi, viruses and parasites are found (1).
The immune system is complex and is divided in two categories: i) the innate or nonspecific immunity, which consists of the activation and participation of preexistent mechanisms including the natural barriers (skin and mucosa) and secretions; and ii) the adaptive or specific immunity, which is targeted against a previously recognized specific microorganism or antigen. Thus, when a given pathogen is new to the host, it is initially recognized by the innate immune system and then the adaptive immune response is activated (2). Innate immunity is the host’s first line of defense and is intended to prevent infection and attack the invading pathogens.This nonspecific mechanism is fast (minutes to hours) while the adaptive response takes longer (days to weeks).
Innate immunity is comprised of different components including physical barriers (tight junctions in the skin, epithelial and mucous membrane surfaces, mucus itself); anatomical barriers; epithelial and phagocytic cell enzymes (i.e., lysozyme), phagocytes (i.e., neutrophils, monocytes, macrophages), inflammation-related serum proteins (e.g., complement, C-reactive protein, lectins such as mannose-binding lectin, and ficolins); surface and phagocyte granule antimicrobial peptides (e.g., defensins, cathelicidin, etc.); cell receptors that sense microorganisms and signal a defensive response (e.g., Toll-like receptors); and cells that release cytokines and inflammatory mediators (i.e., macrophages, mast cells, natural-killer cells). Once the interaction host-invader pathogen enters, a signaling cascade is initiated which enhances the immune response and activates specific mechanisms (3-5). This natural immune response is designed to: a) prevent infection, b) eliminate invader pathogens, and c) stimulate the acquired immune response.
The correct examples of physical, chemical, and biological barriers are coughing, saliva, and complement system respectively.
What do you mean by Barriers?Barriers may be defined as something that blocks the free passage of any object, compound, or thing.
Coughing mediates the physical barrier that kills the pathogen and improves the body's immune system at the physical level. Saliva consists of an enzyme that kills the pathogens on body surfaces, so it is classified under a chemical barrier. Biological barriers involve the action of the complement system which performs the activity of lysis of pathogen particle and stimulate the body's immune response.
Therefore, the correct examples of physical, chemical, and biological barriers are coughing, saliva, and complement system respectively.
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If a cell is placed in a HYPERTONIC solution, what will happen?
A. The cell will lose water to its enviroment because water will travel out of
the cell due to osmosis.
B. The cell will gain water because water will travel into the cell due to
osmosis.
C. The cell will remain the same because cells are not affected by solutions.
D. The cell will explode
Answers
Answer:
A
Explanation:
What is unique about obtaining water from an artesian well?
O The water is heated by magma or hot rocks.
O The water is found in an impermeable layer.
O The water is under pressure naturally and no pump is needed.
O Amechanical pump must be installed to bring water to the surface.
Answers
Answer:
c-The water is under pressure naturally and no pump is needed.
Explanation:
Water from Artesian well is the water is under pressure naturally and no pump is needed.
What is Artesian well?A well from which water flows under natural pressure without the need for pumping is known as an artesian well.
It is excavated or drilled whenever a gently sinking, permeable rock layer (such as sandstone) collects water at a level higher than the ground surface at the well site.
Water goes down into the aquifer (water-bearing layer) at the outcrop, but is blocked from escaping by impermeable rock layers above and below it (such as shale).
Water is forced to the surface of a well drilled down into the aquifer by the weight of the water (hydrostatic pressure) the pressure for the continuous up flow is maintained by the continued penetration of water into the aquifer at the intake region.
The ability to collect water is what distinguishes artesian wells.
The water is under pressure naturally and no pump is needed.
Pumping water isn't essential because there isn't any pressure in the water.
Hence, the correct option is C.
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The plasma membrane of a cell consist of
A. protein molecules arranged into layers with polar areas forming the outside of a membrane
B two layers of lipids organize with a nonpolar tales forming the interior of the membrane
Answers
Answer:
2 Layers
Explanation:
Your welcome.
The plasma membrane of a cell consist of two layers of lipids that are organized with a nonpolar tails forming the interior of the membrane.
What is a plasma membrane?It is a biological membrane.It creates a barrier between intracellular and extracellular environment.It regulates the molecules entering and leaving the cell.It is a selectively permeable membrane.The structure of plasma membrane?It is composed of lipids and proteins.It is arranged in 2 layers with polar heads towards outside and non-polar hydrophobic tails towards the interior.The proteins can either be integral or peripheral.To learn more about membrane, intracellular, extracellular, and cell here,
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An A/a; B/b dihybrid is testcrossed, and about ¾ of the progeny phenotypically resembles the dihybrid parent, while ¼ resembles the tester parent. If the dihybrid parent was selfed, what would be the expected phenotypic ratio in the progeny?
a. 9:3:4
b.12:3:1
c. 9:3:3:1
d. 9:7
f. 15:1
e.13:3
Answers
Answer:
The expected phenotypic ratio in the population will be 15:1
Explanation:
Due to technical problems, you will find the complete explanation in the attached files.
12. Why does Dr. Jablonski dismiss the hypothesis that protection from skin cancer provided selection for the evolution of darker skin in our human ancestors
Answers
Answer:
Because skin cancer does not usually arise until after an individual's peak reproductive years.
Explanation:
Which statement best describes a characteristic unique to renewable resources?
Renewable resources are abundant.
Renewable resources form slowly.
Renewable resources can be used to generate electricity.
Renewable resources are found in nature.
Answers
Answer:
The correct answer is -
Renewable resources are abundant.
Explanation:
Renewable source of energy which is found in nature in abundant quantity and can be used repeatedly and will never end as it is kept on forming naturally and replaced.
Both renewable resources and non-renewable sources of energy are used to generate electricity. Non-renewable source of energy takes a longer period to form again as it is a slow process however it is not the case with the renewable source of energy.
Answer:
Which statement best describes a characteristic unique to renewable resources?
Renewable resources are abundant.
Renewable resources form slowly.
Renewable resources can be used to generate electricity.
Renewable resources are found in nature.
Explanation:
The correct answer is -
Renewable resources are abundant.
Explanation:
Renewable source of energy which is found in nature in abundant quantity and can be used repeatedly and will never end as it is kept on forming naturally and replaced.
Both renewable resources and non-renewable sources of energy are used to generate electricity. Non-renewable source of energy takes a longer period to form again as it is a slow process however it is not the case with the renewable source of energy.
How is Earth dependent on the sun for energy?
Answers
Answer:
Nothing is more important to us on Earth than the Sun. Without the Sun's heat and light, the Earth would be a lifeless ball of ice-coated rock. The Sun warms our seas, stirs our atmosphere, generates our weather patterns, and gives energy to the growing green plants that provide the food and oxygen for life on Earth.
Explanation:
Without the energy of the Sun, there is no life possible on the Earth's surface. This is because the Sun is the only source of energy for plants and animals.
What do you mean by Energy?Energy may be defined as the power to do work to perform several metabolic activities by the organisms.
The energy of the Sun is captured by green plants in order to perform photosynthesis and make food. Through this process only, the oxygen will be available on the Earth's surface which is inhaled by other living organisms for the purpose of survival.
Without Sun, the earth looks like a ball of ice with coated rock and life less.
Therefore, it is well described.
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Why do cells divide at different rates?
Answers
Answer:
Because different cells are under different pressure. The most frequently replaced cell would be skin cells while on the opposite scale we have neurons. Skin is under constant pressure so we have to replace it as quickly as possible where as neurons must be replicated only once so we can maintain a stable brain.
Explanation:
Which two characteristics are important for soil or land that is used for farming 2 answers
Answers
Answer:
PH of soil
and chemical composition in the soil
Answer:
Flat or terraced land
Explanation:
Scientific studies show that identical twins who were separated at birth and raised in different homes may vary in height, weight, and intelligence. The most probable explanation for these differences is that
Answers
Answer:
Their height and weight will differ depending on there diet, one might be smarter than the other naturally but as their were in different home they will have different ways of comprehending it
Explanation:
I hope that helped
Identical twins who were separated at birth and raised in different homes may vary in height, weight and intelligence
Why difference is observed in height and weight?It is because of the different diet they are taking.The difference can be due to both quality and quantity.It is also because of exercise.The twin with good diet and exercise has appropriate weight.While the one with sedentary habit is over-weight.Why is the difference observed in intelligence?The intelligence not only depends on genetics it also depends on environment.It depends on factors like education, surrounding influences, etc.To learn more about education, height, weight, and intelligence here,
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Question 13 of 25
The graph shows the change in a fish population over time. During this same
time, the algae population increased.
Which statement best explains the data?
O A. The pond was too small for the original fish population.
O B. The fish got sick from eating the algae.
O C. The pond experienced an aiyal bloom.
O D. The algae poisoned the pond.
Answers
Answer:
C. The pond experienced an algae bloom.
Explanation:
From the graph we see that the fish population continue to decrease with time. As time passed on, the fish population keeps suffering a decline. In retrospect, the population of the algae continued to increase.
We can ascribe this to the pond experiencing an algae bloom. It could be due to condition called eutrophication. When nutrients become very much in water and more algae is produced. This leads to dissolve oxygen amount reducing in the water body. Therefore, fishes will die off.Answer: c pond experienced a algae bloom
Explanation:
thx
The neurohypophysis is another name for the anterior pituitary.
False
O True
Answers
Answer:
false
Explanation:
checked on a website and it said that it was another name
The cell membrane structure is very important because everything alive has cell membranes. The model used to describe the cell membrane is called the ____________ _____________ model
Answers
Answer:
The cell membrane structure is very important because everything alive has cell membranes. The model used to describe the cell membrane is called the fluid mosaic model.
A brown mouse is crossed with a heterozygous black mouse if the mother has a litter of four what are the chances of one of them being brown
Answers
Answer:
I used a Punnet Square to determine what percentage of 1 of the mice would be brown.
Explanation: