Experiment 1: Cell size and rate of diffusion
For this lab, you will make three "cuboidal cells" with the dimensions below:
1 cm
cm
2 cm.
Prediction:
2 cm
2 cm
Dom
3cm
3cm
You will place each of the three cells in a solution that will be called cell media. This media contains the
nutrients the cell needs to survive. The media must reach all portions of the cell interior in order for proper
cell function.
Question: In a ten-minute time period, which cell will allow for maximum diffusion of the media to all
portions of the cell? (Please, don't answer this question; it will be answered using data from the
experiment simulation. Remember we are following the scientific method.)
1. Based on the question above, formulate a hypothesis and prediction for this experiment: (4 pts)
Hypothesis:



What would the hypothesis and prediction be of this experiment

Answers

Answer 1

Answer:

well this is very simple just add 2

Explanation:


Related Questions

Which of the following is not true about capitalism?
Group of answer choices

all costs and benefits are internal

focused on wealth and job creation

growth is essential for capitalism to thrive

Resources are finite

Answers

Answer:

I think it is D. sry if i'm wrong

the 5’ end of the dna molecule is considered ____, while the 3’ end of the dna molecule is considered the _____

Answers

Five prime and three prime.. if it’s correct pls let me know

The 5’ end of the dna molecule is considered five prime, while the 3’ end of the dna molecule is considered the three prime.

Thus, The backbones of DNA's two long polymers of basic units, known as nucleotides, are comprised of sugars and phosphate groups that are connected by ester bonds.

These two strands are anti-parallel because they move in the opposite directions of one another. Each sugar has one of four different nucleobases (bases) molecules attached to it.

The genetic code is made up of the order of these bases, and it subsequently dictates the order of the amino acids in proteins. The 5′ (five prime) and 3′ (three prime) ends of DNA strands are referred to as the ends.

Thus, The 5’ end of the dna molecule is considered five prime, while the 3’ end of the dna molecule is considered the three prime.

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Helppp match the definitions :)

Answers

Answer:

1. Amino acid

7. RNA

5. Nucleic acid

3. DNA

6. Protein

2. Catalyst    

8. Substrate

Explanation:

1. AMINO ACIDS are the basic building block of proteins; they contain a carboxyl group (-COOH) and an amino group (-NH 2) in their structure. 2. A CATALYST is any substance that accelerates a chemical reaction without being used up in the reaction. They do this by lowering the activation energy of the reaction. 3. Deoxyribose nucleic acid (DNA) is a complex molecule containing the genetic code. It carries all the genetic information of living organisms. 4. AN ENZYME is a protein molecule that is specialized to speed up a specific chemical reaction in biological systems. It is referred to as a biological catalyst because it speeds up a chemical reaction in living systems. 5. NUCLEIC ACID is a sequence of sugars, phosphates, and nitrogenous organic bases. A nucleic acid (DNA and RNA) is a polymer of nucleotides, which are composed of the three molecules mentioned above. A sequence of nucleotides forms a NUCLEIC ACID. 6. PROTEIN is a large, complex organic molecule consisting of a large number of amino acids linked together by peptide bonds. The amino acid building blocks are linked together in a condensation reaction and catalyzed by Peptidyl transferase enzyme. 7. Ribonucleic acid (RNA) is a type of nucleic acid that participates in the synthesis of proteins. RNA is of three types viz: mRNA, rRNA and tRNA. They all play a role in the process of protein synthesis. 8. A SUBSTRATE is a compound that is involved in a chemical reaction and is chemically changed by the reaction. The substrate usually forms part of the reactant that yields the product.

(see attached)

What kind of organ is this? And what structures are seen?

Answers

Answer: Liver.

Explanation:

Chronic Passive Congestion.

How can you explain/describe the inheritance the trait of armor? How might this challenge our understanding of dominance?

Answers

These explain/describe the inheritance the trait of armor might this challenge our understanding of dominance by The developments are encoded with the aid of using one-of-a-kind alleles of the identical gene.

What are traits?

Traits are bodily determined functions of an organism. Each allele is chargeable for a selected phenotype that makes up a trait. A dominant trait is the only one that is expressed over any other in a heterozygous kingdom i.e. the mixed kingdom of the 2 one-of-a-kind alleles that encodes the 2 one of kind developments respectively.

When the 2 one of a kind alleles integrate withinside the organism's genotype, the dominant trait (hornless) will specific itself over its contrasting trait (horn),The allele that encodes hornless-ness is stated to be the dominant allele at the same time as hornless-ness is the dominant trait.

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photo has the question in it please say which answer it is :)

Answers

Answer:

Pretty sure its 2 peaks and a trough.

Explanation:

This is because most traits aee common but only a few traits, like blue eyes are rare

Question 7 of 10
The description below is about a community in a poor country in need of
certain basic necessities.
A village is without electricity and running water but is far from the ocean in a
warm climate. Food is limited and farming is close to non-existent because
there is no access to a water supply. The only nearby water is deep
underground.
Given the problems of the village, which technology is best for quickly
improving its carrying capacity?
A. Building a plant that takes salt out of water
OB. Drilling for water
OC. Designing a plant that uses water to make electricity
OD. Farming using vertical buildings
4
SUBMIT

Answers

Answer:

OB

Explanation:

the people in the village has a only one option to drill a place where the water well is deep and connects submissive pump in the well and connects a PVC to where ever you want to send water


How do development within each domain is linked to and affected by development in other domain.

Answers

The domains of development are interlinked and interrelated so that a child's progress in one domain influences the progress in other domains of development.

HELP ME PLS, I WILL GIVE THANKS AND BRAINLIEST


In cats with the Manx Trait, the M allele causes a short or absent tail, whereas the m allele confers a normal, long tail. Cate of genotype MM die as embryos. If two Manx cats mate, what is the probability that each living kitten has an long tail?

Answers

Answer:

2/3

Explanation:

Offspring are :

- MM

- Mm

- Mm

- mm

Now, it mentions living kitten.

Hence, they will be :

- Mm

- Mm

- mm

Out of the 3, 2 will have a long tail.

Hence :

P (long tail) = 2/3

If one side of the DNA ladder contains the following bases, what would the complementary base pairs be for each?

Answers

Answer: The complimentary base pairs would be:

a. TATCTGAATCGG

b. CTGTAAGTGACC

c. CGTTATGAACCG

d. TATCGATGGCAT

e. CAGGGTACGTTC

Explanation:

A combines with T and vice versa.

Similarly G combines with C and vice versa.

Describe the political actions that led to successful conservation in the forest industry.  Think about ORGANIZATIONS from each article.

flvs for 4.01 and forests wisely​

Answers

The political acts that sparked discussion about success in the woodland industry are What they refer to as a company obtaining a production facility, which can make the forestry business successful and real.

What societal challenges are political parties helping with?

Social issues including poverty, a lack of awareness, the inability to meet basic needs, etc. had an impact on the problem or the solution in the stories, such as How to Use Timberlands Wisely and Local Area Protection.

Due to the fact that these problems forced people to indiscriminately use the land and cut down trees in order to meet their basic needs, which improved the general public's economic well-being.

People in the backwoods chopped trees because they were in need and offered them to bring in money to buy food and other essentials for their families.

There is no need to cut down trees or use land, assuming that these social issues are resolved.

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Question 18 of 25
Which of these natural events is most likely to cause a primary disturbance in
an ecosystem?
A. Immigration of an invasive species
OB. Extended drought
OC. Tropical storm
OD. Volcanic eruption

Answers

Answer: D volcanic eruption

All of the following are advantages of preserving biodiversity except:

a.
many food sources for humans

b.
a variety of genetic information

c.
extinct organisms come back to life

d.
possible sources for new medicines

Answers

Answer:

without the possibility of nutritious food

Answer:

[tex]\huge\boxed{\sf Option \ C}[/tex]

Explanation:

Extinct organisms:Organisms that no longer exist are called extinct organisms.

Extinct organisms can never come back to life since the last of their species is dead and not even one of its species is alive.

[tex]\rule[225]{225}{2}[/tex]

What is the molarity of a 17 ml solution used to prepare 65 ml of 2.4 M
solution?

Answers

Answer:

goo khao eat some stool hahaha

Two related populations separated by a mountain range for many generations eventually become different species providing an example of what type of speciation

Answers

Two related populations separated by a mountain range for many generations eventually become different species is an example of Allopatric type of speciation.

What is Allopatric speciation?

Allopatric speciation is a type of speciation that occurs when a species separates into two separate groups which are isolated by a physical barrier from one another.

So we can conclude that two related populations separated by a mountain range for many generations eventually become different species is an example of Allopatric type of speciation.

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Term Definition
7. Independent variable a. The number of unpopped popcorn kernels
8. Controlled variable b. The brand of popcorn
9. Responding variable c. The time the popcorn is cooked

Answers

7: C
8: B
9: A

7 the independent variable is almost always time
8 the controlled variable is what you choose to be affected
9 the responding variable is the variable affected by the independent variable, for this example it is time heated and the number of unpoped kernels

The terms with respect to their definitions are matched below:

Independent variable: The time the popcorn is cooked. Controlled variable:  The brand of popcorn. Responding variable: The number of unpopped popcorn kernels.

What is an Independent variable?

An independent variable may be defined as a variable that stands isolated and isn't altered by the other variables you are trying to measure in your experiments.

A controlled variable may be defined as a variable that remains unchanged during the course of whole experiments.

A responding variable may be defined as a variable that responds according to the effect of controlled and independent variables.

Therefore, it is well described above.

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Write a proposed reaction for the oxidation-reduction of copper (II) iodide. Justify the choice of the substance that reduces the copper, based on the fact that a precipitate forms when copper nitrate and potassium iodide react, even though solubility rules would contradict this fact. Also, justify the choice using the atomic structure of potassium ion and iodide ion.

Answers

2Cu2^+ + 2I^- ----> 2Cu^+ + I2

The reaction performed in the experiment is;

2 Cu(NO3)2 + 4 KI → 2 CuI (s) + 4 KNO3 + I2

What is redox reaction?

A reaction that happens when an oxidizing substance and a reducing substance come into contact. In the reaction, the reducing substance obtains electrons while the oxidizing substance loses electrons.

The precipitate results from the reduction of Cu2+ by iodide ions to Cu+, which is insoluble in water. Iodine is a good oxidizing agent, and since its outermost shell must be filled with one electron, this is why. On the other hand, because it may quickly lose its one electron, potassium makes a good reducing agent.

The oxidation - reduction equation is as follows;

2Cu2^+ + 2e ----> 2Cu^+ reduction half equation

2I^- ----> I2 + 2e. Oxidation half equation

Balanced redox reaction equation;

2Cu2^+ + 2I^- ----> 2Cu^+ + I2

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Explanation:

The proposed reaction for the oxidation-reduction of copper (II) iodide is as follows:

2 CuI + Cl₂ → 2 CuCl + I₂

The substance that reduces copper in this reaction is chlorine gas (Cl₂). Chlorine is capable of oxidizing iodide ions (I⁻) to form iodine (I₂), while itself getting reduced to chloride ions (Cl⁻).

Justification based on the formation of a precipitate:

When copper nitrate (Cu(NO₃)₂) and potassium iodide (KI) react, a precipitate of copper (II) iodide (CuI₂) forms, even though it contradicts the solubility rules. According to the solubility rules, most iodides are soluble, including potassium iodide. Copper (II) compounds are also typically soluble. However, in this specific reaction, the formation of a precipitate suggests that a redox reaction is taking place.

Justification based on atomic structure:

The atomic structure of the potassium ion (K⁺) and iodide ion (I⁻) provides further insight into the choice of chlorine as the reducing agent. Chlorine has a higher electronegativity than iodine, making it more capable of accepting electrons. When chlorine reacts with iodide ions, it gains electrons and gets reduced. The potassium ion, on the other hand, has a lower electronegativity than iodine. Therefore, it is less likely to accept electrons and participate in the reduction of copper ions.

In Summary

Overall, based on the fact that a precipitate forms when copper nitrate and potassium iodide react, along with the atomic structure of potassium and iodide ions, it is evident that chlorine gas is the substance that reduces copper (II) iodide in the proposed reaction.

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I need help with this plsss!:)

Answers

Answer:

D

Explanation:

The other options are illogical and D is the only one relating to plants.

The answer is D. It is the only answer that makes logical sense to the question!

What does this symbol indicate on a weather map?


A. A stationary front

B. A cold front

C. A warm front

D. An occluded front

Answers

Answer:

C

Explanation:

Is a symbol..............

B. Cold Front
It’s right:/?

what will happen to the length of the day if the earth didnt have a tilt.

Answers

Scientists think an Earth without a tilt would be stratified into climate bands that would get progressively colder as you moved away from the equator.

Please Help No Random Answers.
Jeff has 10 grams of water and 10 grams of vegetable oil in separate containers. Both liquids have a temperature of 24°C. Jeff heats both liquids over a flame for five minutes. When he’s finished, he discovers that the temperature of the oil increased more than the temperature of the water. What can Jeff conclude from this experiment?

Answers

The temperature of the oil increased more than the temperature of the water because vegetable oil has a lower heat capacity than water.

Heat capacity is the ratio of heat absorbed to temperature change by a material. Typically, it is stated in terms of calories per degree. Oil can hold more heat than water. Compared to water, oil can be heated to high temperatures more quickly with a significantly lower energy input because it has a lower heat capacity than water..Oil transfers heat to food more gradually to a fixed temperature than water does. Oil can be heated to a higher temperature than water when it is in a liquid state.

Hence, the correct option is D.

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please help!
thank you

Answers

Estrogen and chlorine move by diffusion, nitrogen move by transport protein whereas glyphosphate moves by active transport.

How give molecules move through cell membrane?

Estrogen move across the cell membrane through simple diffusion because it needs no ATP molecule for its movement while on the other hand, glyphosphate use active transport for the movement across cell membrane because they only move when the ATP is available.

Nitrogen moves into the cell membrane of the lung cell through facilitated diffusion by transport proteins while on the other hand, the hydrogen ions moves into the cell membrane of the cell through active transport.

The chlorine ion moves from higher concentration region to lower concentration region by simple diffusion process.

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what is the result of hydrogenation of vegetable oils

Answers

Answer:

Explanation:

Since the process of hydrogenation contributes hydrogen atoms to oil, this will reduce the amount of fatty acids and increase the amount of saturated fatty acids in the oil.

An object moving at a constant velocity will always have a
negative displacement
negative acceleration
zero acceleration
zero displacement

Answers

Answer:

zero acceleration

Explanation:

hope I helped

Answer:

zero acceleration

Explanation:

I have it confirmed

hope it helps :-)

what is science? explain in brief ​

Answers

Answer:

Science is the pursuit and application of knowledge and understanding of the natural and social world following a systematic methodology based on evidence

Explanation:

Scientific methodology includes the following: Objective observation: Measurement and data (possibly although not necessarily using mathematics as a tool) Evidence.

How does radioactive dating provide support for the biological theory of evolution?

A. It allows biologists to organize a series of fossils by their age.

B. It allows scientists to determine where a species evolved.

C. It helps biologists to piece together strands of DNA.

D. It helps scientists to identify the chemicals in organisms.

Answers

Explanation:

A. It allows biologists to organize a series of fossils by their age

Lawmakers discuss methods of preventing pollutants that could directly start a positive feedback loop in the area shown in the picture.

Which of these actions should they take?

A. Pass laws to help decrease soil erosion and fertilizer runoff.

B. Ban the composting of food waste and paper products.

C. Increase funding for coal and natural gas technology.

D. Regulate the number of jets flying in the upper troposphere.

Answers

Answer:

D. Regulate the number of jets flying in the upper troposphere.

which of the following best describes what happens during a crossover event

a. tetrads change orientation as a lineup along the center of the cell
b. chromatids of homologous chromosomes exchange corresponding segments
c. X and Y sex chromosomes overlap and combine together during metaphase
d. spindle fibers overlap and attach to the wrong chromosomes during anaphase

Answers

Answer:

tetrads change orientation as a lineup along the center of the cell

what the difference between saturated and unsaturated​

Answers

Saturated fats tend to come from animals, while unsaturated fats come from plants. Saturated fats also don’t have double bonds between carbon atoms, while unsaturated fats normally have at least one. Also, unsaturated fat is healthier than saturated fat.

Answer:

Saturated fast are solid at room temperature, unsaturated fats are a liquid at room temperature.

Explanation:

Saturated fast are solid at room temperature and unsaturated fats are a liquid at room temperature. The reason is because in saturated fats there are no double bond between carbon atoms, this gives them their solid structure .

Unsaturated fats have one or more double bonds between carbon atoms, this gives them their liquid form.

How would our interaction with the suns energy differ if our magnetosphere disappeared?​

Answers

Answer:

Enveloping our planet and protecting us from the fury of the Sun is a giant bubble of magnetism called the magnetosphere. It deflects most of the solar material sweeping towards us from our star at 1 million miles per hour or more. Without the magnetosphere, the relentless action of these solar particles could strip the Earth of its protective layers, which shield us from the Sun’s ultraviolet radiation. It’s clear that this magnetic bubble was key to helping Earth develop into a habitable planet.

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