Describe the kind of transport the paramecium uses to remove water from its cytoplasm. (1 point) b. Explain the relationship between the contractile vacuole activity and the environmental salt concentration. (1 point) c. Predict what would occur in the paramecium if a biological toxin blocked the activity of the contractile vacuole. (1 point) d. Justify your prediction in part C. (1 point)

Answers

Answer 1

Answer:

Passive transport .

Explanation:

Passive transport is a kind of transport which is used by Paramecium to remove excess water from its cytoplasm. There is a inverse relationship between the contractile vacuole activity and the environmental salt concentration because if there is salty environment, the contractile vacuole did not their function because there is difference in pressure and the water moves outside when there is salty environment. Bursting of paramecium occur if a biological toxin blocked the activity of the contractile vacuole because no excess water moves to outside environment.


Related Questions

Select the correct answer.
Which of the following is correct for the effect of linkage on recombination?

A. It increases the percentage of recombinants.
B. It results in 50% recombinants.
C. It reduces the percentage of recombinants.

Answers

Answer:

C. It reduces the percentage of recombinats

Explanation:

When linkage between two genes increases, the chance of these two crossing over is reduced, because linkage keeps these particular genes together, unlike crossing voer which will mix them up.

Static electric charges are changes that________
1) Are produced by batteries.
2)Flow through wires.
3) Involve the transfer of protons between atoms.
4)Are stationary charges.

Answers

Answer:

jnnnjjjjhgghhhhhhhhhhhhhhhhhbbbbbbb

Select all of the following that are considered to be your senses.

Answers

Explanation:

traditional senses are taste, smell, sight, hear, and touch

Taste, smell, touch, hearing, and seeing are the senses

what arebthe importance of nomenclature for advancement of science​

Answers

Every recognized species on earth (at least in theory) is given a two-part scientific name. This system is called "binomial nomenclature." These names are important because they allow people throughout the world to communicate unambiguously about animal species.

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Every recognized species on earth (at least in theory) is given a two-part scientific name. This system is called "binomial nomenclature." These names are important because they allow people throughout the world to communicate unambiguously about animal species.

Which of the following is an
ADVANTAGE of using natural gas for
energy?
A. can leak or spill during transport
B. burns cleaner than coal
C. unburned methane can escape to atmosphere
D. increased fracking leads to increased earthquakes

Answers

Answer:

B. Burns cleaner than coal

Conver 3 miles to feet

Answers

Answer:

1mile = 5280ft

3miles = 3x5280 = 15840ft

Answer:

the answer is 15840 feets

The force between two objects is called_______
1) Electrical conductor
2) Voltage
3) Electric Force
4) Electric Field

Answers

Answer:

4.) Electric Field

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the answer is electric field

Our hair and nail contain
Α. Protein
B Calcium
C Chlorine
D Phosphorus.​

Answers

Answer:

protein

Explanation:

our hair and nail contain option ( D) protein.nails and hairs of one body's made up of follicles and matris.

5 factors that influence price​

Answers

Explanation:

Price Determination: 6 Factors Affecting Price Determination of Product

Product Cost: The most important factor affecting the price of a product is its cost. ...

The Utility and Demand: ...

Extent of Competition in the Market: ...

Government and Legal Regulations: ...

Pricing Objectives: ...

Marketing Methods Used:

True or False:

The cell membrane consists of ONE layer of phospholipids.

A. True
B. False​

Answers

Answer:  Hi there I think That I can help You!!!

The cell membrane contains a phospholipid bilayer, but the terms are not interchangeable. Part of the cell membrane is a phospholipid bilayer, made of two layers of phospholipid molecules. However, the cell membrane also contains other macromolecules like membrane proteins, and carbohydrates.

Explanation: So the correct answer is TRUE! don't forget to ate 5 stars and give brainlist!

The statement "the cell membrane consists of one layer of phospholipids" is absolutely false.

What is a Cell membrane?

A Cell membrane may be defined as a type of biological membrane that significantly separates the interior components of the cells from the external environment. It also provides protection to the cell as well as other cell organelles.

A cell membrane is made up of a phospholipid bilayer. This illustrates that the two layers of phospholipid molecules are utilized in order to make an effective cell membrane.

It acts as selectively permeable in nature. The head or polar region of phospholipid is hydrophilic while the non-polar tail is hydrophobic in nature.

Therefore, the statement "the cell membrane consists of one layer of phospholipids" is absolutely false.

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how does biodiversity depends on a species' ability to reproduce​

Answers

Answer:

When species reproduce, they go through evolution and natural selection which leads to new species. This tends to increase Biodiversity in an area.

Explanation:

Because species reproduce, they go through evolution and natural selection which eventually lead to new species. Which increases biodiversity in an area.



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Which of the following is superior the lungs or intestine?

Answers

I think it’s the lungs

what is called vulva explain with relevant images please​

Answers

Answer:

Explanation:

The external organs of the female reproductive system is called vulva.

Although bipedalism is unusual, humans are not the only living bipeds. For example, some flightless birds are also bipedal. Identify a living nonprimate animal that is also a biped. Then, compare its bipedalism to our biped-alism.

Answers

Answer:

Explanation:

Human and birds as the basis for comparison. Some birds walk and run with their backs and femurs tilting at small angles to the horizontal and with bent knees while most human walk uprightly with legs straight and this can be seen in the duty and task performed by man.

Humans exert on the ground while walking two-peaked pattern of force which makes some human work very fast but Birds do not exact two-peaked pattern of force.

Human walking for individual with same body mass is relatively economical of metabolic energy while Bipedal locomotion is economical for wading birds, it is expensive for geese and penguins.

Gasoline is added to cars to be burned as fuel. Which type of energy does the gasoline contain before it is burned?
O Heat energy
o Kinetic energy
o Nuclear energy
O Potential energy

Answers

:), this is the closest answer I could find I’m sorry I hope this helps! The app is socrastic

Age is a factor of

a.immunization

b.stemming

c.symbiosis

d.resistance

Answers

Answer:

I thank the answer is b if I'm correct

I belive it's b. Stemming

Which of the following statements about metabolism in
organisms is true?
O A. Potential energy is the energy of motion, and kinetic
energy is stored energy.
O B. The general name of the physical and chemical
changes in the cell is catabolism.
O c. Anabolism occurs when polymers are synthesized from
monomers, and metabolism occurs when polymers
break down into monomers.
O D. ATP is the molecule that all cells use as an energy carrier.
SUBMIT

Answers

Statement D. ATP is the molecule that all cells use as an energy carrier for metabolism in organisms is true.

What is the adenosine triphosphate or ATP molecule?

Adenosine triphosphate or ATP is a high energy molecule used by the cell to carry out different types of chemical reactions because this molecule releases energy that is coupled to the generation of other reactions.

The adenosine triphosphate or ATP molecule is produced mainly during the process of cellular respiration in an aerobic organism which requires the presence of oxygen. Moreover, anabolism occurs when polymers break down into monomers. while catabolism occurs when polymers are synthesized from monomers.

Therefore, with this data, we can see that the adenosine triphosphate or ATP  is the energy coin of the cell which is mainly generated during a series of metabolic reactions called cellular respiration in organisms such as humans.

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50 POINTS AND BRAINLIEST IF CORRECT!!!
Question 29 (3 points)
Predict a change in the Earth's surface or effect observed at each of the following for
1 point each:
- TRANSFORM BOUNDARY
- DIVERGENT BOUNDARY
- CONVERGENT BOUNDARY

Answers

Answer:

Divergent boundaries occur along spreading centers where plates are moving apart and new crust is created by magma pushing up from the mantle. Picture two giant conveyor belts, facing each other but slowly moving in opposite directions as they transport newly formed oceanic crust away from the ridge crest.

Perhaps the best known of the divergent boundaries is the Mid-Atlantic Ridge. This submerged mountain range, which extends from the Arctic Ocean to beyond the southern tip of Africa, is but one segment of the global mid-ocean ridge system that encircles the Earth. The rate of spreading along the Mid-Atlantic Ridge averages about 2.5 centimeters per year (cm/yr), or 25 km in a million years. This rate may seem slow by human standards, but because this process has been going on for millions of years, it has resulted in plate movement of thousands of kilometers. Seafloor spreading over the past 100 to 200 million years has caused the Atlantic Ocean to grow from a tiny inlet of water between the continents of Europe, Africa, and the Americas into the vast ocean that exists today.

Explanation:

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What is the original source of energy for most ecosystems?
A grass
B) humans
C)the sun
D)heat

Answers

Answer:

C the sun

Explanation:

Step by step explanation

the answer would be C. because the suns vitamins and energy is all around for 12 hours a day

What is the realative humitity when the air pressure is at its dew point

Answers

The dew point is the temperature at which air must be chilled to achieve a relative humidity (RH) of 100 percent (at constant pressure). At this point, the air can unfortunately hold anymore water in the gas form.

a natural source of carbon dioxide in our atmosphere​

Answers

Answer:

Animals, Humans, Oil, Gases, And Coal all contain Carbon Dioxide in our atomosphere.

Explanation:

Aspergillus is a hydrophilic mold.

true or false

Answers

False is the answer let me know if I’m Right!!!
False Aspergillus is a house mold it grows in environments with very little nutrients or water

Generally,​ ​coral​ ​reefs​ ​are​ ​found​ ​in​ ​shallow​ ​waters​ ​between​ ​______​ ​degrees​ ​N​ ​latitude and​ ​______​ ​degrees​ ​S​ ​latitude.

Answers

Answer:

30 degrees;

30 degrees

Explanation:

Coral reefs are formed when the skeleton of the corals merge and combine with each other. The formation of coral reefs takes many years . Corals are the organism living in the ocean. They live in dense colonies and clusters. Coral reefs provides an ecosystem for other marine organisms to live in. The species live in the coral reefs and maintain their population. Corals live in the region of the ocean that has warm water and between the latitudes of 30 degrees North and 30 degrees South.

3) Part of a process necessary for reproduction in complex organisms is represented below. Step C results in the production of A) four zygotes that will develop into embryos B) embryonic cells that could unite and develop into an organism C) four cells that will recombine to form two offspring D) gametes that could be involved in the formation of a zygote

Answers

Part of a process necessary for reproduction in complex organisms is explained below, and the correct options are gametes that could be involved in the formation of a zygote, which is in option D.

What is a zygote?

Reproduction in complex organisms involves a process called sexual reproduction, which involves the fusion of gametes from two parents, such as the male making the sperm and the female making the ovum, and then the zygote is formed. In the case of humans, this zygote develops into a baby after 9 months.

Hence, the correct options are gametes that could be involved in the formation of a zygote, which is in option D.

Learn more about the zygote here.

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The question is incomplete, the complete question is below

Part of a process necessary for reproduction in complex organisms is explained below and choose the correct option,

A) four zygotes that will develop into embryos

B) embryonic cells that could unite and develop into an organism

C) four cells that will recombine to form two offspring

D) gametes that could be involved in the formation of a zygote

A snake is brought into a new ecosystem that is hotter than its old
ecosystem. The snake cannot survive in the high temperature and dies.
Which is the best way to describe this snake in the new ecosystem?
A. Keystone species
B. Non-native species
C. Invasive species
D. Cyclical species
SUBMIT

Answers

C invasive species
I hope this helped!

Answer:

B. Non-native species

Explanation:

hope this helps qts

1)
What is the approximate percentage of Earth's history during which humans have existed,

compared to the age of Earth?


A)
0.04%

B)
1.79%

C)
4.65%

D)
8.32%

Answers

Answer:D) 8,32%

Explanation:

Answer: 0.04%

Explanation:

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Briefly explain how water shortage can result in a loss of biodiversity.

Answers

Water shortage can also know as Water scarcity is the lack of fresh water resources to meet the standard water demand. Humanity is facing a water crisis, due to unequal distribution resulting in some very wet and some very dry geographic locations, plus a sharp rise in global freshwater demand in recent decades driven by industry.

Are composed of polysaccharides or protein and act as antiphagocytosis
Select one:
O a. Capsules
Ob. Slime layer
O c. Glycocalyx
O d. S. layer​

Answers

Answer:

a. Capsules

Explanation:

Capsules are features of bacteria cell. A bacterial capsule is a structure made up of polysaccharides and proteins that functions to prevent pathogenic bacteria from getting engulfed (phagocytosid) by the immune system (white blood cell).

According to this question, capsules are bacteria structure that aid in antiphagocytosis of the bacteria. Gjj

Does uranium release carbon dioxide when used in a nuclear to release energy?

Answers

Answer:

Nuclear power reactors do not produce direct carbon dioxide emissions. Unlike fossil fuel-fired power plants, nuclear reactors do not produce air pollution or carbon dioxide while operating. However, the processes for mining and refining uranium ore and making reactor fuel all require large amounts of energy

Explanation:

No! uranium doesn't release carbon dioxide when used in a nuclear to release energy.

What will i do to meet my goals?​

Answers

Answer:

Study and believe in yourself,don't give up!

Answer:

whatever your goals are you are going to try and try everyday and make sure you have people around you to help build you up

hope this helps

have a good day :)

Explanation:

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