a. True
b. False in passive transport, molecules can only move with the net movement of molecules down their concentration gradient

Answers

Answer 1
This statement is true. Only active transport can move molecules up a concentration gradient using energy. Passive transport on the other hand, uses no energy and occurs naturally. Therefore molecules can only move a concentration gradient.
Answer 2
Passive transport requires no energy so moves with the gradient, not against it (active transport) so it is true

Related Questions

The male reproductive gland which produces a fructose-rich solution which nourishes sperm and constitutes about 60% of the volume of semen is:

Answers

I believe it is seminal vesicles.

A molecular clock assumes that the genes used are evolving rapidly. do not alter their rates in different lineages. are evolving slowly. are all evolving at the same rate. alter their rates in different lineages.

Answers

A molecular clock is actually an estimation method. It is used to approximate the time taken for major evolutionary events to take place based on the changes in the orthologous genes (genes that are passed by vertical descent).

In making the estimation, the molecular clock assumes that the genes used are all evolving at the same rate.

when earth cools most energy transferred from earths surface to space is transferred by the process of

Answers

The correct answer would be radiation

When Earth cools most energy transferred from earths surface to space is transferred by the process of radiation. The correct option is 4.

What is radiation?

Radiation is energy that travels through space at the speed of light from a source. This energy is associated with an electric and magnetic field, and it has wave-like properties. Radiation is also known as "electromagnetic waves."

The flow of electromagnetic energy between the sun and the Earth's surface as influenced by clouds, aerosols, and gases in the Earth's atmosphere is known as atmospheric radiation.

Radiation from the warmed upper atmosphere, as well as some from the Earth's surface, is emitted into space.

The majority of the longwave radiation emitted warms the lower atmosphere, which in turn warms our planet's surface.

Thus, the correct option is 4.

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Your question seems incomplete, the missing options are:

(1) conduction

(2) reflection

(3) refraction

(4) radiation

Imagine there are two different cells, cell A and cell B. Explain why lactic acid, carbon dioxide and only 2 ATP are produced in cell A and carbon dioxide, water and up to 32 ATP are produced in cell B.

Answers

It is because cell a undergone anaerobic respiration, that occurs in the absence of oxygen, which produced lactic acid especially in human muscles, and because it's a incomplete oxidation of sugar, therfore the atp, which is a kind of store energy, is less.

However cell b undergone aerobic respiration, which produces water molecules. It occurs with the presence of oxygen, and its a complete oxidation of sugar, therfore it produces more atp.

How can you tell if a biological molecule is a carbohydrate?

Answers

Carbohydrates contain carbon, hydrogen, and oxygen in the molar ratio 1:2:1. The empirical formula for carbohydrates is CH20. The monomers of carbohydrates of are sugars. 

Alex's family raises fruit and vegetables for income. they live in an area that receives less than .2 inches of rain per month. therefore they need to use an irrigation system to water their crops. where does alex live?hint: use the map below to help you answer this item.climate mapegyptperuaustraliarussia

Answers

The answer is Egypt.

Hope I helped,
Ms. Weasley

The answer is Egypt.

It cannot be Russia or Peru because they receive more than .2 inches of rainfall. If Alex lived in Australia, there is a possibility that he could live in the part of Australia that has rain.

Tools and instruments used to puncture or invade the skin must be sterilized or designed to be

Answers

The tools and instruments used to puncture or invade the skin must be sterilized or designed to be disposable. aThis makes it capable of being thrown away after being used. It is considered to be a single-used material that is used by the medical practitioners in order to prevent sepsis.

List the levels of organization from smallest to largest and give an example for each. cell….

Answers

From smallest to largest. That will be
Cell; cheek cell
Tissue; hydra
Organ; heart
System; digestive system
Organism; lion
Tissue is a group of cells, an organ is a group of tissues, a system is a group of organs, an organism is a group of systems
Hope that helped. Have a nice day

The nurse has been assigned to a post-abdominal surgery client who has also been diagnosed with dementia. the family is concerned about pain control for the client because the client is confused. what should the nurse include in their teaching to the family about the pain control plan for this client?

Answers

The risks of further amnesia from the pain meds

Answer:

In the given case, the nurse should include in his or her teaching regarding the vital signs of the patient, which are indicative of his pain and there is a need to assess it frequently. The nurse should also illustrate the trend regarding the changes in the behavior of the patient suffering from dementia mainly when they are in pain.  

The nurse should also include teachings regarding pre-medicating the patient prior to the activities and prior to anticipating pain.  

4. The science team uses the information to suggest the main outcome of the hypothesis.

a. Make a prediction
b. Test the hypothesis
c. observe the problem
d. Define a problem

5. This step includes recording data, taking photos, and coordinating information.

a. Make a prediction
b. Test the hypothesis
c. observe the problem
d. Define a problem

6. This a critical part of the process that verifies that the predicted outcome is valid.

a. Test the hypothesis
b. Make a prediction
c. Hypothesis becomes a theory
d. Observe the problem

7. The scientists analyze the data gathered from the experiment and summarize what they have learned from the experiment.

a. Define a problem
b. make a hypothesis
c. Make a conclusion
d. Test the hypothesis

Answers

4 is A
5. is B
6. is C
7. is C

Answer:

Q 4. The correct answer. Make a prediction

Before starting any research scientists make some predictions about the main outcome of the hypothesis by using the information from old literature and research work.  

Q 5. The correct answer is b. Test the hypothesis

Hypothesis is just a prediction so to validate a hypothesis prove should be given which can be in the form of experimental data, photos, and research work.

Q 6. The correct answer is c.  Hypothesis becomes a theory

A critical part of the process that verifies that the predicted outcome is valid is when a hypothesis becomes a theory with appropriate proof that support hypothesis.

Q 7. The correct answer is c. Make a conclusion

The last work of a research is to make a conclusion by analyzing the data gathered from the experiment.  

The nurse cares for the client having a left total hip arthroplasty. in which position does the nurse place the client after surgery?

Answers

Final answer:

After a left total hip arthroplasty, the patient should be positioned with the hip in a neutral, slightly abducted position, with a pillow or specialized device between the legs to maintain this position and ensure the stability of the new joint.

Explanation:

The nurse caring for a client who has undergone a left total hip arthroplasty should place the client in a position that prevents dislocation of the new prosthesis and promotes proper healing. After surgery, it's typically recommended to position the client with the hip in a neutral, slightly abducted position (not crossing the midline of the body or turning inward) and with a pillow or a specialized device between the legs to maintain this position.

The hip joint operates as a ball-and-socket mechanism and, after arthroplasty, stability is paramount for recovery. Careful positioning aids in avoiding stress on the joint, ensuring the prosthesis remains correctly aligned. The surgery team, which includes the surgeon, nurse, and anesthesia professional, will review key concerns for the patient's recovery and care, with positioning being an essential component of postoperative instructions.

The vast majority of all species who have ever lived on earth no longer exist. Far more organisms have become extinct than are currently alive. Why? A. Species are continually being replaced or changed into other species by evolution. This process is currently very rapid compared to how long life has existed on earth. B. Over the past two million years, human interference has continually and significantly decreased animal and plant biodiversity. C. Mass extinction events like meteor impacts and climate changes have destroyed most life on earth. D. The biodiversity of life on earth continually decreases as natural selection eliminates species that are less fit for survival.

Answers

The answer would be A.
This would be the correct answer, based being of what they are teaching, (though I personally don't believe it)

Far more organisms are currently organisms  Species are continually being replaced or changed into other species by evolution.

What is Evolution?

More than 99 percent of all organisms that have ever lived on Earth are extinct. As new species evolve to fit ever changing ecological niches, older species fade away.

But the rate of extinction is far from constant. At least a handful of times in the last 500 million years, 75 to more than 90 percent of all species on Earth have disappeared in a geological blink of an eye in catastrophes we call mass extinctions.

Though mass extinctions are deadly events, they open up the planet for new forms of life to emerge. The most studied mass extinction, which marked the boundary between the Cretaceous and Paleogene periods about 66 million years ago, killed off the nonavian dinosaurs and made room for mammals and birds to rapidly diversify and evolve.

Therefore, Far more organisms are currently organisms  Species are continually being replaced or changed into other species by evolution.

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PLEASE HELP
BIOLOGY

Our body sends electrical messages throughout our body using charged atoms. These charged atoms have either a positive or negative charge because they either gained or lost electrons. What are these charged atoms called?

Question 7 options:

a.) Ions


b.) Covalents


c.) Organic molecules

Answers

A) Ions...
Ions are atoms that have either lost or gained an electron.

Answer: Option (a) is the correct answer.

Explanation:

When a neutral atom loses an electron then it acquires a positive charge.

For example, sodium on losing an electron become [tex]Na^{+}[/tex] ion.

On the other hand, if a neutral atom gains an electron then it acquires a negative charge.

For example, a neutral chlorine atom on gaining an electron forms [tex]Cl^{-}[/tex].  

Hence, an ion is formed in both the cases.

Thus, we can conclude that in the given situation these charged atoms called ions.

Which of these is not a process of mechanical weathering?

dissolving of limestone which makes caves
tree roots
ice
potholes

Answers

Dissolving limestone is not a process of mechanical weathering. Mechanical weathering is the process which physically disintegrates rock. This would be defined as CHEMICAL weathering instead.
the answer is A dissolving of limestone which makes caves hope this helps

The ions in highest concentration in the intracellular fluid are

Answers

Intracellular fluid (ICF) is found only within blood vessels.
Final answer:

The ions in highest concentration in the intracellular fluid are potassium ions (K+) and Protein anions (Pr-). They are in high concentration due to the cellular mechanisms involving ATP, a form of cellular energy.

Explanation:

The ions in highest concentration in the intracellular fluid are potassium ions (K+) and Protein anions (Pr-). The inside of cells, known as the intracellular fluid, contains high concentrations of potassium and protein anions due to the active transport mechanisms of the cell's membrane. Active transport mechanisms utilize ATP, a form of cellular energy, to move these ions against their concentration gradients, resulting in their abundance within the intracellular fluid.

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An eating disorder characterized by episodes of excessive eating followed by forced vomiting or the use of laxatives is called:

Answers

bulimia nervosa is correct

Why doesn’t each child look exactly alike?

Answers

Because of different DNA handed down from their ancestors, and different environmental effects.
The reason no child looks exactly alike is because everyone has a two pairs of copies of their genes, and these tend to be different, making it impossible to look exactly alike. Even twins. You can spot at least one difference, whether it be eye color, a mole, birth mark; the things that distinguish another person from another. This applies not only to children, brothers and sisters, but adults too.  

In what life process does hydrolysis occur

Answers

A catabolic reaction is one type of the two major metabolic reactions. Catabolic reactions is the breakdown of organic molecules for energy. It involves the process of breaking apart molecules into smaller molecules to release energy. Hydrolysis is the way in which this process is done.One life process that this occurs in is the digestion process when when sugars and fats are broken apart for energy.

Which organelle appears as a stack of membranes?

A. mitochondrion
B. vesicle
C. cell membrane
D. Golgi apparatus

Answers

The answer is D. Golgi apparatus 
Hoped this helped
Feel free to ask anymore questions here at brainly.com

Select the part of the ATP molecule that stores and releases energy.


A

B

C

D

Answers

Answer:

The correct answer is B.

Explanation:

ATP stands for adenosine triphosphate. ATP is considered as the energy currency of the cell because it provides lots of energy during metabolic processes. The energy in ATP is stored as a high energy terminal phosphate bond which means the energy will release when the terminal phosphate bond will break.

As the terminal phosphate bond breaks the energy is released which is used by the cell to perform some metabolic activity. After this reaction, the ATP converts into ADP. So the correct answer is B.

Proteins that are involved in packaging the eukaryotic chromosome into "beads" called __________ are __________.

Answers

Proteins that are involved in the packaging of eukaryotic chromosome into "beads" called nucleosome are histones.

 A nucleosome is a segment of DNA wound in sequence around eight proteins called histones. Together the DNA and the histones form  "beads"
A nucleosome is the basic unit of DNA packaging in eukaryotic cells.



The division of the autonomic nervous system that is often referred to as the rest and digest system is the sympathetic nervous system.
a. True
b. False

Answers

this is true i just did this assignment lol if you wanna know why let me know (please thank me and give me brainliest)
this is false but give him brainliest he was first!

Which term describes body structures in different organisms that have different outward appearances but develop from the same embryonic tissues?

Answers

Homologous Structures? Embryonic Structures? Whichever one you are looking for.

Answer:

homologous

Explanation:

A nurse is observing the closed chest drainage system of a client who is 1 day post thoracotomy. the nurse notes continuous bubbling in the suction control chamber. the nurse should

Answers

Final answer:

Continuous bubbling in the suction control chamber of a closed chest drainage system indicates an air leak in a client who is 1 day post thoracotomy. The nurse should assess the client's condition, check the chest tube and connections, and notify the healthcare provider to address the air leak.

Explanation:

Continuous bubbling in the suction control chamber of a closed chest drainage system indicates an air leak. In a client who is 1 day post thoracotomy, this could be due to a variety of reasons such as a disconnected or loose chest tube, a damaged chest tube, or an insecure connection between the chest tube and the drainage system. The nurse should assess the client's condition, check the chest tube and connections for any issues, and notify the healthcare provider to address the air leak.

11) Any abiotic or biotic factor in an ecosystem that causes a population’s size to slow or decrease is a ____________ factor. A) growth B) limiting C) carrying D) density dependent

Answers

The answer is C) limiting factor because they are the things that limit growth or distribution of an organism. Limiting factors also cause competition between individuals of different species.

Which are examples of habitat destruction? Check all that apply.

Answers

i would think deforestation, wildfires, and pollution. The other ones are harmful to the environment but not exactly to the habitats.  
Deforestation, wildfires and pollution

_____ bonds form and hold the DNA together.
A. hydrogen
B. peptide
C. polar

Answers

Hydrogen bonds form and holdl the DNA together
Hi, your answer is A. Hydrogen. 

Which of the following statements about energy producing technologies is true?
a.
Some currently used energy producing technologies have no disadvantages.
b.
Alternatives to nonrenewable energy sources can be as effective.
c.
Air pollution is common to all energy producing technologies.
d.
Alternatives to nonrenewable energy sources are typically more damaging to the environment.

Answers

The answer is B. Hope this helps you out :)

Answer:

Option (b).

Explanation:

Energy producing technologies are important for the formation of energy from the different sources of energy. The energy requirement for the growing population is much faster than the previous population.

The energy must be extracted from the renewable source of energy. New energy producing technologies must be alternative to the non renewable sources of energy. They must be cost effective than the earlier source of energy.

Thus, the correct answer is option (b).

Difference between apodictic and casuistic law

Answers

Hebraic law. ...in the same manner. Two types of law are noted in the Hebrew law codes: (1) casuistic, or case, law, which contains a conditional statement and a type of punishment to be meted out; and (2) apodictic law,  regulations in the form of divine commands  (the Ten Commandments).

Apodictic laws are absolute, universal norms from timeless principles, while casuistic laws are applied to specific cases within a temporal context. The distinction lies between unchanging laws and context-sensitive applications of law.

The difference between apodictic and casuistic law reflects varying approaches to legal and natural order. Apodictic laws are absolute, universal norms, akin to laws of nature as discussed by Augustine, where there is a recognition of eternal laws, which are unchanging and absolute, and temporal laws, often referred to as human laws. Casuistic laws, in contrast, are more akin to the Roman legal tradition, where there is an acknowledgment of circumstances, and laws are applied to specific cases, factoring in particular conditions and contexts.

Apodictic laws are characterized by a lack of temporal reference, indicating that they are perceived as constant and not dependent on the changing states of affairs or individual instances. Conversely, casuistic laws relate to ontologic knowledge, where every judgment or application of law is tied to particular moments in time and specific details of cases, much like the Roman lawyers' application of Stoic principles to concrete legal circumstances.

Fundamentally, the distinction underscores the difference between universally binding principles that transcend time and space and the context-sensitive judgments that adapt to the nuances of individual scenarios. In legal systems, this difference often manifests in the balance between written statutes (more apodictic) and judicial decisions or case law (often more casuistic).

When encountering other vessels in darkness or reduced visibility, what does a visible white light indicate?

Answers

Final answer:

A visible white light on a vessel in darkness or reduced visibility usually signifies the presence of another craft and helps in determining its activity and positioning, contributing to safe navigation.

Explanation:

When encountering other vessels in darkness or reduced visibility, seeing a visible white light often indicates the presence of another craft. It is important for safety reasons to understand these visual signals to prevent collisions and navigate safely. In maritime navigation, a single white light suggests different situations depending on its behavior and positioning. For example, if the white light is seen in both the bow and stern, it suggests that you are seeing the port (left) or starboard (right) side of a power-driven vessel underway. However, if only one white light is visible and it is at a high elevation and not moving, this could indicate the presence of an anchored vessel.

Visibility at sea is crucial, especially when natural light is obscured. Maritime regulations stipulate specific lighting configurations for vessels to communicate their type, activity, and relative movement to other vessels. Ascribing to these regulations aids mariners in identifying the position and behavior of nearby vessels, thereby enhancing navigation safety. In fog or other circumstances of reduced visibility, the sound signals become equally important—different sounds signal different actions, such as a vessel under power making way, a vessel at anchor, or a vessel in distress.

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