How do simple diffusion and facilitated diffusion differ?

Answers

Answer 1

Answer:

Simple diffusion does not require energy: facilitated diffusion requires a source of ATP. Simple diffusion can only move material in the direction of a concentration gradient; facilitated diffusion moves materials with and against a concentration gradient.

Explanation:


Related Questions

which of these represents an individual form of life such as an animal, plant, or single-celled life form

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Organism represents an individual form of life such as an animal, plant, or single-celled life form. A prokaryote or a eukaryote can be a unicellular organism.  Eukaryotic organisms have a membrane-bound cell nucleus as well as extra membrane-bound compartments known as organelles (such as mitochondria in animals and plants and plastids in plants and algae, all generally considered to be derived from endosymbiotic bacteria)

Fungi, mammals, and plants are examples of eukaryotic organism kingdoms. Organisms are classified as producers, consumers, herbivores, carnivores, omnivores, scavengers, parasites, predators, and decomposers. Everything you need to know about the 39 trillion microbes that live in our bodies, according to the human microbiome.

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Which phase of the moon is shown? full moon first quarter waning gibbous waxing crescent

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Answer:

full

Explanation:

you might think of me as the trash collector, but recycler is maybe more accurate. what am i

Answers

The organelle here is lysosome as it collects the trash of the cell. The correct option is B.

What is a lysosome?

A lysosome is a cell organelle that contains digestive enzymes and is membrane-bound.

Lysosomes are involved in a variety of cellular processes. They degrade extraneous or worn-out cell parts. They could be used to eliminate invading viruses and bacteria.

Lysosomes serve as the cell's digestive system, degrading material taken in from outside the cell as well as digesting obsolete components of the cell itself.

The lysosome's interior is acidic and contains numerous enzymes that break down molecules.

It is known as the cell's recycling center, but this does not imply that it only plays a passive role in the cell.

Thus, the correct option is B.

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Your question seems incomplete, the missing options are:

Cytoplasm.Lysosome.Vacuole.Ribosome.

based on a number of considerations, it is hypothesized that at some time in the evolution of life, there must have been a single molecule that could do both cellular work and replicate itself. a possible mo

Answers

The correct answer is Ribosomes is the single molecule that could do both cellular work and replicate itself.

Ribosomes have two primary functions: message decoding and peptide bond formation. The ribosomal subunits are made up of two large ribonucleoprotein particles (RNPs) of unequal size. Each subunit is composed of one or more ribosomal RNAs (rRNAs) and a large number of ribosomal proteins (r-proteins). The ribosome is an ancient molecular fossil that can be used to peer into the origins of life. In all living systems, the ribosome, which is composed of RNA and protein, converts mRNA to coded protein. Translation is infused with universality, economy, centrality, and antiquity. Because the ribosome is so important to all aspects of life and reproduction in an organism, rapid change is unlikely to survive. The ribosome components are an excellent resource for studying the evolution of all organisms because all cellular organism have ribosomes .

Based on a number of considerations, it is hypothesized that at some time in the evolution of life, there must have been a single molecule that could do both cellular work and replicate itself. A possible molecule that has been suggested is a catalytic RNA molecule, now called a ?

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What type of mutation is the following: ATCGAC to TTCGAC
a)point
b)insertion
c) deletion

Answers

Answer:

c) deletion is the type of mutation in the following

The answer is a) point.

PLEASE HELP 50 POINTS!!!!Which of the following best describes the approximate number of cells in the culture that are in interphase, as well as the consequence of the severe disruption of interphase in mitotic division of cells within a tissue?

A) There are approximately 917 cells in interphase. Disruption of interphase will have no effect on mitosis because they are two completely independent processes.

B)There are approximately 83 cells in interphase. Disruption of interphase will lead to a faster and more efficient mitotic cycle, which will result in increased cell division and tissue growth.

C)There are approximately 917 cells in interphase. Disruption of interphase will trigger the cell to switch to a mitotic phase and repeatedly divide, which will result in the massive proliferation of the cells and heightened tissue growth.

D)There are approximately 83 cells in interphase. Disruption of interphase will result in the cell being unable to synthesize proteins and organelles required to divide, which will result in the cell not passing key checkpoints and ceasing to divide.

Answers

Answer:

The correct answer is D, "there are approximately 83 cells in interphase. Disruption of interphase will result in the cell being unable to synthesize proteins and organelles required to divide, which will result in the cell not passing key checkpoints and ceasing to divide."

Hope this helps!

organisms that obtain their energy from producers and other consumers are: group of answer choices chegg

Answers

Organisms that obtain their energy from producers or other consumers are heterotrophs.

What is heterotrophs ?

An organism is referred to as a heterotroph if it consumes other plants or animals for food and energy. Its origins are in the Greek words hetero, which means "other," and trophe, which means "nutrition." Autotrophs and heterotrophs are two general classifications of organisms depending on how they receive energy and nutrients.

In contrast to heterotrophs, which cannot produce their own food and must rely on autotrophs for sustenance, autotrophs are organisms that create their own food through the process of photosynthesis.

Humans and all other mammals, fish, birds, insects, and more basic living forms like bacteria and fungi are examples of heterotrophs.

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Please explain when you have smaller population does evolution happen faster

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Answer:

Small populations tend to lose genetic diversity more quickly than large populations due to stochastic sampling error (i.e., genetic drift). This is because some versions of a gene can be lost due to random chance, and this is more likely to occur when populations are small.

Explanation:

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PICK ME AS THE BRAINLIEST

Which one of following is not included in the abiotic cycles?
A)
water
B)
phosphorus
C)
nitrogen cycles
D)
carbon
E)
magnesium

Answers

E) magnesium. I took the test

Answer: E. Magnesium

Explanation:

Trust me bro

Question 2
Scientist study the
to learn about the history of life, past environments on Earth, and
how different groups of organisms have changed over time.
Historical Record
Animal Record
Fossil Record
Earth Record
A heavy flood washed away over five meters of soil and rock. The laun
rock that was exposed by the fine

Answers

Animal record us that

Ninety-nine percent (99%) of weather occurs in the

A. troposphere
B. mesosphere
C. thermoshere
D. stratosphere ​

Answers

ANSWER IS : A troposphere

mitigating measures for fire​

Answers

Yes what are you asking

I'm basically confused about the directions of this slide. Can someone help me?

Answers

If I am understanding correctly, the first thing they are asking you to do is match nitrogen bases.

Adenine (A) always pairs with thymine (T), and guanine (G) always pairs with cytosine (C).

Then, whichever are the double strands, cut them out and put them into you notebook. (I am not sure where the notebook is, but I am assuming you know)

Then in the speech bubble next to the picture of Chargaff- talk about his rule.

What does the rule mean?

What does the rule explain?

How is the rule demonstrated?

Lastly, finding percents. What percent of the pairs has Adenine in them?

For example:

If I look at this pairing below

A →T

T→ A

G →C

C→ G

50% of the pairs include Adenine.

Hope I helped! Comment if you have questions about my answer :)

Answer:

If the sequence of nitrogenous bases of a DNA strand is ATCTAGGCCG, the complementary strand would be TAGATCCGGC, with a percentage of guanine 30%, cytosine 30%, adenine 20% and thymine 20%, according to Chargaff's rule.

Explanation:

DNA is made up of sequences of nitrogenous bases, which are adenine (A), guanine (G), thymine (T) and cytosine (C).  The bases of one strand are matched with the bases of another, according to the complementarity of nitrogenous bases, where:

Adenine is complemented with Thymine A=T Guanine is complemented with Cytosine G≡C

The image shows a DNA chain whose chain is complementary:

DNA Strand given      Complementary Strand

    Adenine                                Thymine

    Thymine                                Adenine

    Cytosine                                Guanine

    Thymine                                Adenine

    Adenine                                Thymine

    Guanine                                 Cytosine

    Guanine                                 Cytosine

    Cytosine                                Guanine

    Cytosine                                Guanine

    Guanine                                 Cytosine

Therefore, in a DNA molecule there is as much adenine as thymine, and an equal amount of cytosine and guanine. In this example there are 4 molecules of adenine, 4 molecules of thymine, 6 guanines and 6 cytosines.

The proportion or percentages of nitrogenous bases can be calculated according to Chargaff's rule.

Chargaff was able to establish that in a DNA molecule the ratio of purine:pyrimidine of 1:1, so there must be the same amount of thymine as adenine and a similar amount of guanine for the cytosine, according to the complementarity of bases.

Taking into account the law of the base pair, if in a DNA chain there is 30% of Adenine, in the molecule there is:

Guanine 30%

Cytosine 30%

Adenine 20%

Thymine 20%

Total ..... 100%

fernandes a, connors jm, carrier m. anticoagulation for subsegmental pulmonary embolism. n engl j med. 2019;381(12):1171-1174.

Answers

A pulmonary (lung) artery obstruction is referred to as an acute pulmonary embolism or embolus.

What can be diagnosis of acute pulmonary embolism?Acute pulmonary embolism (PE) causes 50,000 to 200,000 deaths per year and is a common cause of death. After coronary artery disease and stroke, it is the third most prevalent cause of mortality among cardiovascular diseases. The development of multi-detector computed tomographic pulmonary angiography (CTPA) has increased the rate of diagnosis of PE by enabling improved assessment of PE regarding imaging of the peripheral pulmonary arteries. As a result, more instances of accidental PE and isolated subsegmental PE (SSPE), two types of peripheral PE, have been discovered. Usually, patients with these two disorders have little to no evidence of the traditional PE symptoms, such as hemoptysis or pleuritic discomfort, abrupt dyspnea, or circulatory collapse.

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50 POINTS MARKING BRAINLEIST IF CORRECT

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To confirm about the validity of a company's claim about the efficacy and safety of a new pesticide, a consumer can do: (b) additional studies that will be the reliability check for the claims.

Pesticides are the chemicals used to prevent the damage if crops against harmful small insects or other small organisms. These chemical agents can either kill the pests or slow their growth to a great extent. Pesticides can be of three types: insecticides, fungicides and herbicides.

Reliability check in case of pesticides can be defined as the tests and surveys performed to check for their effectiveness. It is in simple terms a quality check. Reliability check for pesticides are very important because if these pesticides are hazardous, they can cause chronic illness in humans after the consumption of such crops.

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Producers play a valuable role in any ecosystem. Describe this role.

Answers

Answer:

Explanation:

Producers-organisms that produce their own energy using photosynthesis-are often times food for herbivores and omnivores, Smaller herbivores ad omnivores are eaten by carnivores. Without producers, the entire food chain would fall.

How do you do this? I need this complete by Monday pls help me

Answers

Answer:

First box: Carbohydrates

monomer is monosaccarides single sugar molecules

Elements: C, H, O

examples are glucose and cellulos

Box two: Proteins

Monomer: amino acid

Elements: C, H, O, N, P, S

function: a lot of differnt functions but examples include:

– Enzymes that control the rate of biochemical reactions

– Hormones that regulate cell processes (Ex. Insulin)

– Structurally make up bones and muscles (Ex. Collagen)

– Transport substances in and out of cell (Ex. Hemoglobin)

– Antibodies help immune system fight diseases

– Movement (Ex. Contractile proteins)

– Receptors aid in cell signaling

– Energy source in the food we eat (Ex. Casein)

Examples: meats, nuts, and dairy products, but many are made by your body

Box three: Nucleic Acid

Monomer: Nucleotides

Elements: C, H, O, N, P

function: informational molecules that store, transmit, and express our genetic information; contain the instructions for making proteins

example: DNA and RNA

Box Four: Lipids

Monomer: fatty acids

Elements: C, H, O

Function: Long term energy storage

Examples: fats, oils, phospholipids (in the cell membrane), steroids

Explanation:

HELP PLEASE! NEED ASAP

Answers

Answer:

5) summer

6)winter

7)the equator

8)south pole

Why must cells go through division

Answers

Answer : Because you can't make something out of thin air.

Explanation:

It has to come from somewhere. And that somewhere is the cell.

Cells must go through division as one of the cell theory statements are that cells must arise from other cells which means that cells cannot appear out of nowhere.

HELP!! Which of the following is NOT true of protein structure?
A: Proteins' secondary structure is dictated by peptide bonds.

B: Proteins' tertiary structure is dictated by R group bonds.

C: Proteins have quaternary structure when they are arranged together.

Answers

The statement that is not true related to the protein structure is option b.  Proteins' tertiary structure is dictated by R group bonds.

What is protein structure?

It is classified as the  three dimensional shape of the protein.

In the tertiary structure it does contain the  single polypeptide chain that we called as the backbone or there more than one protein secondary structures

Also, it should not be dictated by R group bonds.

Therefore, we can conclude that the option b is correct.

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Answer:  A)

Explanation:

Question 23 of 25

PLEASE ANSWER!!!!
How can you be certain that a
chemical change has happened?
O A. A new substance is formed.
O B. A substance changes state.
O C. The color of a material changes.
O D. The amount of a material changes.

Answers

A
A formed substance changes and it state change

1.1.4 Which of the following reagents is used to test for glucose? A. Fehling's solution B. Ethanol C. Benedict's solution D. lodine ​

Answers

Answer:

benedicts solutuin(c)

please help I am on a timer.... Also this is 7th grade biology.

Answers

Answer:

D

Explanation:

Hope it helps

What plants release water into the air through condensation

Answers

Answer:

all of them duh even trees do and flowers and many more all plants even humans do it and animals

WILL GIVE BRAINLIEST!!!!!!!
Which statement is NOT part of modern cell theory?

The first cell arrived on earth from outer space.

Cells contain hereditary information that passes from one generation of cells to the next.

Cells arise from other cells.

All living organisms consist of one or more cells.

Answers

Answer:

I'm pretty sure the answer is A

How are sugar molecules in living things classified?
as proteins
as nucleic acids
as
lipids
as carbohydrates

Answers

The answer is Carbohydrates
Carbohydrates (I think)

monosaccharide profiling of glycoproteins by capillary electrophoresis with contactless conductivity detection

Answers

Monosaccharide profiling of glycoproteins by capillary electrophoresis with contactless conductivity detection is saccharides.

What are saccharides?

Saccharides form one of the major constituents of the biological macromolecules in living organisms. Many biological processes including the protein folding, stability, immune response and receptor activation are regulated by glycosylation.

In this work, we optimized a capillary electrophoresis method with the capacitively coupled contactless conductivity detection for separation of eight monosaccharides commonly found in glycoproteins, namely D-glucose, D-galactose, D-mannose, N-acetyl-D-glucosamine, N-acetyl-D-galactosamine, D-fucose, N-acetylneuraminic acid, and D-xylose. A highly alkaline solution of 50 mM sodium hydroxide, 22.5 mM disodium phosphate, and 0.2 mM CTAB (pH 12.4) was used as background electrolyte in a 10 µm id capillary. To achieve baseline separation of all the analytes, a counter-directional pressure of –270 kPa was applied during the separation. The limits of the detection of our method were below 7 µg/ml (i.e., 1.5 pg or 1 mg/g protein) and the limits of quantification were below 22 µg/ml (i.e., 5 pg or 3 mg/g protein). As a proof of the concept of our methodology, we performed an analysis of monosaccharides released from fetuin glycoprotein by acid hydrolysis. The results show that, when combined with an appropriate pre-concentration technique, developed method can be used as a monosaccharide profiling tool in glyco-proteomics and complement the routinely used LC-MS/MS analysis.

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Which substance is used by plants during photosynthesis?
a. sulfuric acid c. carbon monoxide b. carbon dioxide d. urea

Answers

Answer:

i say that the answer is c

Explanation:

Answer:

Carbon dioxide

Alkali metals have the properties of metals except they are less dense and:
More brittle
Softer
Less reactive
More valuable

Answers

[tex]{ \qquad\qquad\huge\underline{{\sf Answer}}} [/tex]

Alkali metals are the ones that belong to the 1st group of the periodic table, they are the most reactive metals having less ionization energy.

And one more thing is common between them, that is :

All alkali metals are soft metals, that can easily be cut through knife.

So, required choice is : B. Softer

l'll give brainliest if you answer

Answers

that is meiosis because it is splitting

Answer:

Asexual Reproduction

Explanation:

Amoeba is an example of Asexual Reproduction.

Hope it helps!

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medical team conference, patient and/or family not present, 30 minutes or more participation by nonphysician qualified health care professional. assign the cpt code. | Question 40 (1 point)Why are congressional seats reapportioned every decade?to accommodate an increasing number of senatorsto accommodate an increasing number of House membersto accommodate changes in the national populationto accommodate changes in state populations after the census is taken Determine whether the equation 32 +15= 3(x+5) has one solution, no solution, or infinitely many solutions.one solutioninfinitely many solutions.O no solution12POSSIBLE PO3 4U Assume a 150 -W loudspeaker broadcasts sound equally in all directions and produces sound with a level of 103dB at a distance of 1.60 m from its center.(b) Find the efficiency of the speaker, that is, the fraction of input power that is converted into useful output power. rotein synthesis is an essential part of cellular metabolism, and it requires the involvement of a number of molecules, structures, and organelles. list the molecules, structures, and organelles in the order that enables protein synthesis. start with the instructions that encode a protein, and end with the structure through which a protein leaves the cell. The prehistoric Aegeans created figurines representing females. The statuette figure is portrayed usingthe (blank) geometric shape. a vector with magnitude 8 points in a direction 70 degrees counterclockwise from the positive x axis. write the vector in component form. evaluate 7x2x7x5 using property of numbers name the property in each step7x2x7x5:7x7x2x5(7x7)x(2x5)49x10= 410 Scarlett left her house at time zero and drove to the store, which is 3 blocks away, at a speed of 1 block per minute. Then she stopped and went into the store for 4 minutes. From there, she drove in the same direction at a speed of 5 blocks per minute until she got to the bank, which is 15 blocks away from the store. She stopped at the bank for 3 minutes. Then she drove home at a speed of 3 blocks every minute. Make a graph of showing the number of blocks away from home that Scarlett is xx minutes after she leaves her house, until she gets back home.Click twice to plot a segment.Click a segment to delete it.0Time Elapsed (Minutes)Distance (Blocks from Home)xy How did the Glorious Revolution affect the colonies?O It barred Protestants from immigrating to the colonies.O It sparked revolts such as Leisler's RebellionO It forced colonial governors to convert to Catholicism someone help me answer this pls freon-12 is used as a refrigerant in air conditioners and as a propellant in aerosol cans. calculate the number of molecules of freon-12 in mg of freon-12. what is the mass of chlorine in mg of freon-12? Consider the three functions below.- (4) -(41* *--*Which statement is true?The range of h(x) is y> 0.The domain of g(x) is y> 0.The ranges of f(x) and h(x) are different from the range of g),The domains of f(x) and g(x) are different from the domain of h(x). even though it has not been maintained over the years, monks mound looks very much as it did when it was built. If the amplitude of the oscillator doubles, what happens to the wavelength and wave speed?. TRAININGQuestion:There are 28 women and 21 men attending Online Webinar Whatis the ratio of women to the total number of people?CHOOSE ONE:SONYB What even led to Otto von bismarck leaving Public service in Germany? I will give you brainliest if you answer as fast as you can! Which of the following statements is not true of lipids? a. they are the primary source of energy for bodily functions. b. they are digested and absorbed in the small intestines. c. they are made of long chains of triglycerides and fatty acids. d. they are the source of fat-soluble vitamins in the body. 6.) The quotient of Jorge's age and 3 minus 2 is 30. How old is Jorge? A cowboy stands on horizontal ground between two parallel, vertical cliffs. He is not midway between the cliffs. He fires a shot and hears its echoes. The second echo arrives 1.92 s after the first and 1.47s before the third. Consider only the sound traveling parallel to the ground and reflecting from the cliffs. (a) What is the distance between the cliffs?