Which size cells are more efficient at obtaining nutrients?

Answers

Answer 1
The greater the surface-area to volume ratio of a cell, the easier it is for the cell to get rid of wastes and take in essential materials such as oxygen and nutrients. In this example, the large cell has the same area as 27 small cells, but much less surface area.

Related Questions

What id one watt equal to?

Answers

Watts are defined as 1 Watt = 1 Joule per second (1W = 1 J/s) which means that 1 kW = 1000 J/s.

_trophs often make their own food using sunlight,
carbon dioxide, and water.
Any body please help please thank you so muchhhhh

Answers

Answer:

Autotrophs

Explanation:

Hope this is helpful

pls pls pls help!! i’ll give brainliest

Answers

Answer:

materials move against a concentration gradient

PLEASE HELP, WILL MARK BRAINLEST

Question 3(Multiple Choice Worth 6 points)
Study the graph below. At what depth does the thermocline begin?

A line graph relating ocean depth to water temperature. At 0 meters, temperature is approximately 27°C. At 100 meters, temperature is approximately 24°C. At 200 meters, temperature is approximately 11°C. At 300 meters, temperature is approximately 8°C.

Public Domain

0 meters
100 meters
200 meters
300 meters

Answers

Answer: 100 meters

Explanation:

The thermocline begins at 100 meters of depth. Thermocline is a transition oceanic water layer between deep and surface water in which water temperature decreases rapidly with increasing depth. From the given graph it cam be seen that at 100 meters the thermocline begins such that the temperature drops from to.

FYI we just learned about this

Fill In The Blank
What is the strongest acid listed in 2-2?
What is the weakest acid listed in 2-2?
What is the strongest base listed in 2-2?

Answers

Answer:

Strongest acid is hydrochloric acid

Weakest acid is rainwater

Strongest base is sodium hydroxide

Explanation:

pH is defined as the measure of hydrogen ion concentration in a particular solution. pH values seen between 0 and 1 are actually known to be strongest acids. Weakest acids are the ones that move towards neutrality. The neutral pH value is 7.0.

Looking at their pH values, we will discover that hydrochloric acid is the strongest acid. Rainwater is weakest acid because it moves towards neutrality. Sodium hydroxide is the strongest base.

In pH, values between 0-6 are referred to being acidic, 7 is neutral and while 8-14 are basic.

Answer:b

Explanation:

Help me ASAP please I’m being timed

Answers

Answer:

i think it is 4 but i am not sure

Explanation:

Answer:

From common sense I would select B. But I have not gotten to biology, so I do not know for sure. if I get it wrong, I am truly sorry.

Adenosine triphosphate, or ATP, is primarily used as
in living organisms.
O A.
a blood coagulant
O B.
a source of energy
O C.
a reproductive enzyme
O D.
a muscle relaxing hormone

Answers

Answer:

A source of energy

Explanation:

TRUE OR FALSE: Phospholipids that are a part of the nuclear envelope (membrane around the nucleus) can easily move from one part of the cell to another, and may ultimately become part of the cell membrane, the ER, a vesicle membrane, etc. In fact, any phospholipid may be called a "cellular tourist" because it is able to move about to virtually any part of a cell and can even become a part of a cell in a different region of the body! (EXPLAIN WHY)​

Answers

Answer:

False, because phospholipids are a type of lipids and the nuclear envelope contains nucleic acids.

Explanation:

Hope this helps.

It is true that phospholipids that are a part of the nuclear envelope (membrane around the nucleus) can easily move from one part of the cell to another, and may ultimately become part of the cell membrane, the ER, a vesicle membrane, etc.

What is nuclear envelope made of?

The nuclear envelope is made up of two concentric lipid bilayer membranes separated by a 20-40 nm intermembranous space.

In many places, the outer membrane is joined to the rough endoplasmic reticulum. The outer membrane of the nuclear envelope, like the rough ER, is dotted with ribosomes.

The nuclear envelope is made up of two membranes: an outer and an inner phospholipid bilayer. The lumen of the rough endoplasmic reticulum is connected to the thin space between the two layers (RER).

Nuclear pores, which are small channels that run across the nuclear envelope, allow substances to enter and exit the nucleus.

Each pore is lined by a group of proteins known as the nuclear pore complex, which regulates which molecules can enter and exit.

Thus, the given statement is true.

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Tidal energy is produced through the use of tidal energy generators. These large underwater turbines are placed in areas with high tidal movements, and are designed to capture the kinetic motion of the ebbing and surging of ocean tides in order to produce electricity.

Answers

Answer:

Alternative energy

Explanation:

1. Janica placed an ice cube in her thermos of hot coffee. Which of the following
describes the change to the energy in the system?
A. Energy was transferred from the coffee to the ice cube, but the total energy in the
system remained constant.
B. Energy was transferred from the ice cube to the coffee, but the total energy in the
system remained constant.
C. Energy was transferred from the ice cube to the coffee, and the total energy in the
system decreased.
D. Energy was transferred from the coffee to the ice cube, and the total energy in the
system increased.

Answers

A because heat is a form of energy and the coffee is heating up the ice cube and it is not D because it is not releasing any byproducts when the ice cube is melted

Answer:

I think A

Explanation:

Do you agree with this quote? Explain your reasoning using your understanding of the genetics of skin color.

Answers

Which quote are you talking about?

Answer: No

Explanation:

There is no quote to see therefore I cannot agree.

how do populations and communities affect one another?

Answers

Answer:

How can a change in one population affect the entire community in an ecosystem? If one population dies out, all the populations that depend on that species for food may also die out. A change in one population affects the entire community because all the populations of a community depend on each other.

Explanation:

You want to determine what vehicle will get you to school in the fastest amount of time. Each day at 6:30am, you drive a different vehicle: a Ferrari, a
Nissan 350ZX, a Mazda RX8, and a Neon SRT4. Your results state that the Ferrari takes you the least time to get to school. The dependent variable in
this experimentis
A.the time that you leave each day (6:30am)
B.the type of vehicle
C.the time that it takes you to get to school
D.the route that you take each day

Answers

Answer:

The correct answer would be - option C. the time that it takes you to get to the school.

Explanation:

The dependent variable is the factor or variable in any research or experiment is the variable that depends on the independent variable which means it changes with the change in the independent variable.

Here the time the different vehicle takes to get to the school is a dependent variable as it depends on the fact that which vehicle is using and changes with the change in the type of vehicle.

What is the function of T-lymphocytes? Select all
that apply.
to assist other lymphocytes
to produce other lymphocytes
to kill cells infected with a virus or cancer
to help in the body's immune response
to circulate oxygen throughout the body

Answers

Answer:

to assist other lymphocytes

to kill cells infected with a virus or cancer

to help in the body’s immune response

Explanation:

Following are the functions of T-lymphocytes, here:

to assist other lymphocytesto kill cells infected with a virus or cancerto help in the body's immune response

What are T-lymphocytes?

T-lymphocytes, also known as T cells, are a type of white blood cell that plays a key role in the immune system. They are produced in the bone marrow and mature in the thymus gland.

One of the main functions of T-lymphocytes is to assist other lymphocytes, such as B cells, in the immune response. They do this by releasing chemicals that help to activate and coordinate the immune response, and by directly attacking infected cells.

T-lymphocytes also have the ability to kill cells that are infected with a virus or cancerous cells. They do this through a process called cell-mediated immunity, in which they recognize and bind to specific proteins on the surface of infected cells. Once they have bound to the infected cells, they release chemicals that kill the cells, helping to prevent the spread of the infection or cancer.

T-lymphocytes are an important part of the body's immune system and play a vital role in helping to protect the body against infections and disease.

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The diagram below shows fossils in three layers of rocks.


Which of these conclusions is most likely correct about the organisms found in the layers of rocks?


The organism in Layer A is more complex than the organism in Layer B.

The organism in Layer B is more complex than the organism in Layer C.

The organism in Layer C is a modern form of the organism in Layer B.

The organism in Layer A is a modern form of the organism in Layer B.

Answers

Answer:

The organism in Layer C is a modern form of the organism in Layer B.

Explanation:

Answer:c

Explanation:test

2. Wolves have genes that give them a very powerful sense of smell much more
powerful than humans, this is an adaptation by natural selection. The wolves that
reproduced more offspring with a better sense of smell thereby increasing the
frequency of those genes in the population that survived longer. Give an example of
adaptations in other organisms that may have resulted from variations that were
favored by natural selection.​

Answers

Answer:

A good example may be represented by different shapes and sizes of beaks in finches living on different Galapagos islands

Explanation:

According to the evolutionary theory proposed by Darwin, natural selection is a mechanism that acts on heritable phenotypic variation among individuals within a population. Genetic variation can be considered as the primary source of heritable phenotypic variation. Those organisms that are better adapted for a particular environment will have more chances to survive and reproduce, thereby passing these heritable traits to the next generation. For example, during his work, Darwin observed that the shape and size of beaks in finch species from different islands in the Galapagos archipelago varied as a consequence, i.e., as an adaptation, to the availability of food resources present in each island.

An example of adaptations in other organisms that may have resulted from variations that were favored by natural selection. - The light-colored mice are an adaption favored by natural selection as they were able to live longer.

Adaptations are physical or behavioral traits that make an organism better suited to its environment. The inheritable variation comes from random mutations.

the example of such variations caused by natural selection are:

The Deer mouse adapted to the environment by developing a lighter color.The light-colored mice were able to live longer.

Thus, The light-colored mice are an adaption favored by natural selection as they were able to live longer.

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I understand what earth outer layer is made of underneath the water and soil on the surface

Yes
Or
Not yet

Explain

Answers

Yes because the earths outer layer is made of water and soil underneath the surface

The planet earth being a terrestrial planet is made up of rocks and hard rigid slabs of rocks called plates. These plates float on the flexible (asthenosphere) Mantel.

I understand that earth is a rocks planet and is made up of rocks and these rocks are called plates.

This uppermost layer or the crust of the lithosphere is composed of SIAL that is rocks made from aluminum and silicon, oxygen components. The layer lying below this is made from the semi-fluid matter called as upper mantel that is the asthenosphere which is partly molten and is said as molten rock. Due to the less dynamicity of this layer the above crust floats or drifts.  

Hence the water and soil in the lithosphere are characteristic of the crustal rocks.

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How are the three international conflicts similar and how are they different?

Answers

Answer:

what's the question? It is not showing anything expect for "How are the three International conflicts similar and how are they different."

private sector international conflict would be a conflict between a U.S. computer company, and a Japanese company which was supplying motherboards for the U.S. company. If the Japanese company had a contract requiring them to ship 10,000 motherboards a month, but they only shipped 6,000, this would cause a private international conflict. It would not be a conflict that involved the U.S. government, but it would be one that would likely be handled in an international tribunal of some sort

Athletes train at high altitude, thereby increasing the number of red blood cells, to improve their
performance. How might an increase in the number of red blood cells improve an athletes
performance?​

Answers

Answer:

Preparing at moderate height may improve ocean level execution in perseverance competitors. This was noted after the 1968 Olympics in Mexico City (7600 feet) when a few competitors found an improvement in their presentation after re-visitation of ocean level. Be that as it may, different competitors didn't see any distinction in execution. Studies have indicated improved high-impact power in sprinters who prepared at 6,000 feet for 10 days at that point performed at low elevation. Lower oxygen levels at elevation invigorate EPO prompting expanded red platelets or hematocrit. This viably permits more oxygen to be conveyed to the tissues. Basically, this is blood doping the regular way.  

Late examinations do propose profits by 'preparing low' and 'dozing high'. This incorporates hypoxic tents that numerous competitors are presently utilizing. These tents have a generator that extricates oxygen from the air, establishing a moderate height climate. Competitors at that point rest/relax in them for a few hours per day. This invigorates erythropoietin, subsequently expanding the hematocrit (red platelet tally). Without a doubt the 'live high, train low' idea may permit the best blend. One examination separated 39 contenders into three preparing gatherings; living and preparing adrift level, living at height and preparing adrift level, living at elevation and preparing at height. The two gatherings who inhabited height had expanded red platelets and VO2max, however just the gathering who lived high and prepared adrift level had improved race times. One clarification for this is that the live high, train low gathering can prepare more diligently and better use their blood's oxygen conveying limit. As a result of expanded red cell creation, all competitors preparing as well as resting at elevation should ensure they have proper iron stores and nourishment. This is particularly valid for ladies, as they will in general have lower iron stores because of occasional loss of blood through monthly cycle.

Explanation:

Recessive traits appear only when an organism is

Answers

Answer:

If it carries two identical copies of the recessive trait.

Explanation:

Which plays a major role in determining which genes are expressed in a cell?
A. transcription factors
B.nothing, it is random
C.translating into spanish
D.your mother​

Answers

Answer:

A.

Explanation:

A crucial component of controlling transcription is played by proteins known as transcription factors. These crucial proteins aid in identifying the genes that are active in each of your body's cells. Thus, option A is correct.

What is the role of transcription factors?

Proteins called transcription factors control the expression of genes. They affect the transcription process, in which DNA serves as a template to create mRNA, which in turn affects protein synthesis.

Since many transcription factors are either tumor suppressors or oncogenes, cancer is linked to their mutations or abnormal regulation.

It is known that three transcription factor groups play crucial roles in human cancer.

Therefore, transcription factors play a major role in determining which genes are expressed in a cell.

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List a few of the ways that Thuret tells us we can control neurogenesis. Specify whether the activity increases or decreases neurogenesis.

Answers

Learning will increase, stress will decrease, sleep deprivation will decrease, sex will increase, getting older will decrease, and running will definitely increase.
Good Luck have a good day

Help please I’ll give brainly

Answers

Cells perform 5 processes to keep them alive: metabolism, respiration, diffusion, osmosis, and active transport.

what energy-carrying molecule is created in this process?

Answers

Answer:

ATP is the energy-carrying molecule produced by the mitochondria through a series of chemical reactions.

Explanation:

Which of the following correctly identifies the function relationship of covalent bonds?

Answers

Dude I just learned this, but there’s no picture so I can’t help you, if you add a picture I probably could

look at the following images, then in your own words, describe how they are different.

Answers

Animal cells have no cell wall and plant cells don’t have lysosomes. However, it is possible for plants to have a lysosome, but it’s rare

Answer:

they have different locations of where the foods are located

3. In what part of Australia are koalas found? What do they eat?

Answers

they are found in eastern australia and they usually eat Eucalyptus

Answer: Koalas can be found in Eastern Australia - Through much of Queensland (From the Atherton Tablelands west of Cairns moving South), NSW, Victoria and a small section of South Australia. And Koalas eat Eucalyptus leaves.

Explanation:

Which of the following move through convection currents? Select all that apply.

A. Air in the atmosphere

B. The mantle moving tectonic plates

C. Ocean currents

D. The water cycle

Answers

A, B, and C pls give me brainiest if u can

Sedimentary rocks with ripple marks suggest that the rocks formed
A. someplace where wind crossed over wet sediment while it was forming.
B. when an ancient animal swam over them.
C. from shell fragments of ancient sea-dwelling animals.
D. when wet mud dried and shrank.

Answers

Answer: A

Explanation: Ripple marks are sedimentary structures and indicate agitation by water (current or waves) or wind.

I think it’s A I’m not completely sure

equation of gaseous exchange in plants​

Answers

Answer:

See the answer below

Explanation:

Gaseous exchange in plants involves the entering of oxygen and the exit of carbon dioxide in its place. It is an important process that helps sustains the life of plants, just like every other living organism. The oxygen that enters is utilized in the process of respiration during which carbohydrates are broken down to unlock their energy for metabolic activities.

Oxygen usually diffuses-in through the stomata while the carbon dioxide diffuses in the opposite direction. The summary of the gaseous exchange is summarized in the equation below:

  Glucose (food) + Oxygen ---------> Carbon dioxide + water + energy

Or better still;

    [tex]C_6H_1_2O_6 + 6O_2 --> 6CO_2 + 6H_2O + ATP[/tex]

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