Which of the following is NOT a function of a cell membrane?
a. the cell membrane protects the cell
b. the cell membrane helps molecules move into or out of the cell
c. the cell membrane assists in the synthesis of proteins
d. the cell membrane has identifying marker molecules on it

Answers

Answer 1

Answer:

A. the cell membrane protects the cell


Related Questions

a diagram that models the process of photosynthesis is shown below complete the diagram by filling in the missing labels.
I have this so far

Answers

Answer:

reactants = carbon dioxide & water

energy source = light

waste product = oxygen

primary energy = glucose

Explanation:

The energy source is light, reactants are carbon dioxide and water, the waste product is oxygen and primary energy is glucose.

What is photosynthesis?

The sustainability of the significant number of life on Earth depends on photosynthesis. It is how almost all of the energy in the biosphere is made accessible to living beings.

All higher living forms on Earth consume photosynthetic organisms directly or indirectly since they are the primary producers that serve as the foundation of the planet's food webs.

Additionally, photosynthesis is responsible for producing virtually all of the oxygen in the atmosphere. The majority of creatures would vanish, there might soon be little food or other organic stuff on Earth, and the atmosphere would eventually be almost barren of gaseous oxygen if photosynthesis stopped.

Commonly used notation for photosynthesis is: 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂. This indicates that the reactants, six carbon dioxide molecules, and six water molecules, are transformed into a sugar molecule and six oxygen molecules, the products, by light energy being absorbed by chlorophyll (implied by the arrow).

The creature consumes the sugar, and as a byproduct, oxygen is produced.

Therefore, the energy source is light, reactants are carbon dioxide and water, the waste product is oxygen and the primary energy is glucose.

Read more about photosynthesis, here

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Please help me ASAP thank you

Answers

1. the sun 2. decomposers 3. i’m not sure 4. photosynthesis

Please select the word from the list that best fits the definition

States that buoyant force = weight of the fluid displaced

Answers

Answer:

Archimedes Principle is the word that best fits the definition.

hope this helps you ☺️☺️

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Many substances become more ductile as the temperature is increased.

A. True
B. False

Answers

True

materials are more ductile when hot and at room temp become more brittle

hope this helps!

Answer:

It's true

Explanation:

I don't really know, it just sounds right

I've lost my charisma

Introduction : Scientists who study earth's layers are called geologists. Since they cannot see inside the earth, they use geological clues to help them. These clues are gathered from activities such as volcanoes and earthquakes. From these clues , geologists make inferences about what the inside of Earth actually looks like.
Question: Name the main layers of the Earth from the inside to the surface.

Answers

Answer:

Inner core, the outer core, the mantle, and the crust.

A substance whose shape can easily change is a
a.
solid.
b.
powder.
c.
fluid.
d.
metal.


Please select the best answer from the choices provided

A
B
C
D

Answers

Answer:

fluid.

Explanation:

because there molecules can freely move and take the shape of any container

The production of red blood cells is regulated by a feedback loop involving erythropoietin. In non-disease states, the production of red blood cells is equal to the destruction of red blood cells, thus maintaining sufficient red blood cells to deliver adequate oxygen to the body's tissues. However, when the number of red blood cells decrease and oxygen levels are low, erythropoietin is produced by the liver and kidneys to increase the production of red blood cells. Is this a positive or negative feedback loop

Answers

Answer:

Negative feedback.

Explanation:

The production of erythropoietin by the liver and kidneys is a negative feedback because with the production of erythropoietin, our body tends to move to become more stable state. The erythropoietin is produced by the liver and kidneys to increase the production of red blood cells if the quantity of red blood cells are lower than the normal range. If the number of red blood cells are decreases the oxygen level in our body is low that leads to unstable condition of the body but when the concentration of red blood cells increases, the body move towards stability.

GUYS PLEASE PLEASE HELP WITH THIS!!!

Answers

Answer:

energy carried by waves: sound and radiant energy

Answer:

energy carried by waves-sound and radiant energy

Explanation:

Which type of stem supports giant trees?
A. herbaceous
B. gummy
C. woody
D. leafy

Answers

i’m pretty sure the answer to this is woody. hope this helps!

The type of stem that supports giant trees is woody, which is option C. Woody stems are the type of stems that support giant trees, so the correct option is option c.

Woody stems are characterized by their hardness and rigidity, which are due to the presence of wood tissue. This wood tissue provides structural support and allows the stem to grow thicker and stronger over time. Giant trees, such as oak, maple, pine, and redwood trees, have woody stems that enable them to reach great heights and support their extensive branching systems. Herbaceous stems, on the other hand, are softer and more flexible. So the correct option is option C.

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In the citric acid cycle when an aldol addition occurs in a biological system, how do the amino acids contained in the Citrate Synthase enzyme help facilitate the reaction

Answers

Answer:

Citrate Synthase facilitates the formation of citrate by deprotonating Acetyl CoA and by protonating the carbonyl oxygen of oxaloacetate

Explanation:

Citrate synthase is a key enzyme in the citric acid cycle that functions to catalyze the formation of citrate from oxaloacetate and acetyl-CoA: acetyl-CoA + oxaloacetate + H2O >> citrate + CoA-SH (Coenzyme A ). This enzyme contains three amino acids at its active site that work together to catalyze the conversion of acetyl-CoA and oxaloacetate into citrate. This active site acts by abstracting (deprotonating) a proton from the alpha carbon of Acetyl CoA which serves as the nucleophile. Subsequently, the active site of the enzyme also protonates the carbonyl oxygen of oxaloacetate, which then suffers nucleophilic attack and thereby facilitating nucleophilic substitution reaction.

The__system includes the kidneys

Answers

The urinary system includes the kidney.

The chemical properties of an element
are determined by its
A- atomic mass
B-proton number
C-electron arrangement
D- atomic size

Answers

Answer:

C. electron arrangment

Explanation:

Electrons are the subatomic particles that influence an element's reactivity since they are exchanged during reactions.

room temperature for phosphorus​

Answers

Explanation:

0.5digre celcious is our temperature ️ know

The upward force on an airplane's wing is thrust.


Please select the best answer from the choices provided

T
F

Answers

An airplane in flight is acted on by four forces: lift, the upward acting force; gravity, the downward acting force; thrust, the forward acting force; and drag, the backward acting force (also called wind resistance). Lift opposes gravity and thrust opposes drag .

Answer:

False

Explanation:

I am pretty sure that is the answer

Cellular respiration and photosynthesis are similar in that both require
O A. glucose
B. membrane proteins
C. oxygen
O D. carbon dioxide
UBMIT
12

Answers

Answer:

If you can choose 2 your answers would be A.Glucose and C.Oxygen but if not try Oxygen.

Which statement describes a constructive force that shapes Earth's surface?
Help meeee

Answers

Answer:

a volcano erupts, a river deposits gravel at a bend , plate movement creates mountains

Marianne is conducting an experiment on homeostasis in paramecium, which is a type of single-felled organism. Which of these observations provides the strongest evidence of a paramecium maintaining homeostasis

Answers

Hello. You did not present the answer options, which makes it difficult for you to receive a specific answer. However, I will try to help you in the best possible way.

One of the most common evidences that a paramecium is maintaining homeostasis is the pumping of water from the vacuoles present in its body.

The paramecium is a protozoan that lives in aquatic environments, mainly those composed of fresh water. The problem with this environment is that water is able to enter the paramecium organism in large quantities and this can promote the disruption of the organism through lysis of the cell. In this case, homeostasis must act quickly and pump water out of the body, through the cell vacuole.

Homeostasis is a regulatory system of the organism, which must promote the balance of the organism, whenever any external or internal factor tries to harm this balance.

Infer how the structure of the root would be impacted in the absence of each of these
structures.

Answers

Answer:

I  cant see them

Explanation:

Please Provide a picture.

What are the 3 main characteristics of populations?

Answers

Answer:

Population Size and Density: Total size is generally expressed as the number of individuals in a population. ...

Population dispersion or spatial distribution: ...

Age structure: ...

Natality (birth rate): ...

Mortality (death rate):

Explanation:

Answer:

Size, Spatial Distribution and age structure or, birth and death rates.

Explanation:

Demography is the study of a population, the total number of people or organisms in a given area. Understanding how population characteristics such as size, spatial distribution, age structure, or birth rates change over time can help scientists and/or governments.

7. Phytoplankton + Shrimp → Snapper → Shark
There are 2,500 kcal available for the 1st trophic
level.
There are kcal available for the 2nd trophic level.
There are kcal available for the 3rd trophic level.
There are 2.5 kcal available for the 4th trophic level.
Fill in the organisms and energy amounts on the
pyramid to the right
8. Use the food chain you created in #3 and complete

Answers

Answer:

The first level is 2,500

The second is 250

The third level is 25

and the fourth level is 2.5

Explanation:

The amount of energy at each trophic level decreases as it moves through an ecosystem. As little as 10 percent of the energy at any trophic level is transferred to the next level; the rest is lost largely through metabolic processes as heat.

Am I supposed to answer #8?

The amount of energy at each trophic level decreases as it moves through an ecosystem. As little as 10 percent of the energy at any trophic level is transferred to the next level; the rest is lost largely through metabolic processes as heat.

What is an ecosystem?

An ecosystem consists of all the organisms and the physical environment with which they interact. These biotic and abiotic components are linked together through nutrient cycles and energy flows.

Moreover, 7 major ecosystems are forest ecosystem, grassland ecosystem, tundra ecosystem, desert ecosystem, freshwater ecosystem, and marine ecosystem.

Hence, healthy ecosystems clean our water, purify our air, maintain our soil, regulate the climate, recycle nutrients and provide us with food. They provide raw materials and resources for medicines and other purposes. They are at the foundation of all civilization and sustain our economies.

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Which of the following is a density-dependent factor?
(a)habitat size
(b)volcanic eruptions
(c)cold weather
(d)food availability

Answers

Answer:

A

Explanation:

Answer: (D) food availability

Explanation: its the only one that is density dependent, all the others are density independent.

Which energy source produces less negative
environmental impacts

A)Renewable Energy Sources
B)Fossil Fuels

Answers

Renewable energy sources:)

Answer:

renewable energy sources !

Explanation:

fossil fuels are bad for our enviroment :)

How are spring tides different from Neap Tides. Give at least 2 reasons _______

Answers

Answer:

Seven days after a spring tide, the sun and moon are at right angles to each other. This produces moderate tides known as neap tides, meaning that high tides are a little lower and low tides are a little higher than average. Neap tides occur during the first and third quarter moon, when the moon appears "half full.

Question 4 Help me please!!!!!!!!!!!!!!!!!

Answers

Answer:

B of course

Explanation:

True of False. The brain is completely dependent on blood sugar to maintain its glycogen stores.
I need it asap

Answers

Answer:

False.. the brain is part of the nervous system... thats the circulmatory sytem job..

Explanation:

Answer:

first one

Explanation:

im pretty sure that the answer is true im so sorry if it is wrong.

URGENT WILL GIVE BRAINLINESS
Choose one of the following scenarios and answer the questions provided. Support your answers using scientific reasoning and discussing possible impacts to individuals, society, and the environment. Be sure to also discuss any medical or ethical issues that may apply. (10 points)
Scenario 1:

Genetic engineering can be used to create more productive strains of farm animals. By adding genes to an animal's DNA, the animal can be made to produce milk or meat containing vital nutrients that would not be found naturally in those products. This provides a greater amount of nutrients per serving of milk or meat.

Do you think that this type of genetic engineering should be pursued? Explain your answer. (5 points)

What are some possible impacts (positive and negative) of this type of genetic engineering on individuals, society, and the environment? (5 points)

Scenario 2:

In the future, doctors may be able to evaluate your DNA to check for genetic markers related to specific medical conditions or harmful reactions to medications. Your personalized genetic profile could be kept on record and referred to in order to develop personal medical treatment based on your unique DNA sequencing. Scientists have found that just small variations in a specific section of your DNA can help determine how well some medications can work for you or if they would be beneficial at all.

Would you want to have your DNA profile kept in your medical record as a reference for your doctors? Explain your answer. (2 points)

What are potential pros and cons of having such tests done and referring to DNA sequences when determining a patient's medical treatment? (5 points)

Describe how the availability of this technology might affect the frequency of genetic diseases in individuals and populations. (3 points)

Answers

Scenario 2:
Question 1:
I would want to have my DNA profile kept in a medical record for doctors to see, because if anything ever happens to me, and they need a reading of my DNA they have it available.
Question 2:
There are definitely pros and cons for having tests done and referring to DNA sequences when trying to refer to a patient's medical treatment. A pro would be that doing this it gives a lot of information about your DNA, and it provides helpful information so if doctors ever needed to perform treatment, that would be a good source for them to go too. A con would be if you ever have a treatment done, and scientists refer to your DNA sequence and proscribe medicine, they won't know how you will react to the medicine, and if it will work.
Question 3:
Having this technology now will definitely help us pin-point any genetic diseases in individuals, because of the copies of their DNA.

Answer:

i tried my best (so many questions on scenario 2)

Explanation:

scenario 1: there are many positive and negative possible impacts that come with genetic engineering. A very negative outcome could come from just one mistake.  But if there was a way to ensure that nothing could go wrong than the outcome would be an healthy new meat or milk that's packed with nutrients.

scenario 2:  I think if this was a real thing i would be completely for it. If a person was to get their DNA checked then doctors would be able to prescribe a medication that would fit you. this could also prevent any allergic reactions to and medications or treatments.

I personally would want my DNA profile kept on record so that i can be treated with the right medications for me.

(The potential list pros and cons would probally look like this)

          PROS

Makes for better treatmentCan show genetic markers related to specific medical conditions or                                                                   harmful reactions to medications.can help determine how well some medications can work for you or if they would be beneficial at all.

            CONS

DNA screening may not show all conditionspatient may not be able to get treated if their condition is unknownSomething could go wrong during the screening a wrong treatment may be administered as a result.

Explain what lyell and Darwin did to contribute to the theory of evolution

Answers

Answer:

so he can evolve humanity

Explanation:

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In the following sentence, luster probably means

“for example, diamonds are a clear, very hard crystal with a shiny luster, while talc has a very soft texture and is a whitish gray color.”

A. dullness
B. hardness
C. transparent
D. shining by reflecting light

Answers

Answer:

D.

Explanation:

Luster means a gentle sheen or soft glow, especially that of a partly reflective surface. The sentence says "a shiny luster," and diamonds are shiny and reflective, so it is most likely D.

hope this helps! :)

Pls mark brainliest!
i believe it’s is D.) shining by a reflective light

Compare and contrast disorganized schizophrenia and paranoid schizophrenia.

Answers

Answer:

The paranoid subtype is characterized by the presence of hallucinations and delusions. In the disorganized one appears a behavioral disorganization and of the thought and language as well as an inappropriate affect. These patients tend to have an earlier onset, a worse prognosis, and a greater number of neurocognitive alterations.

Explanation:

Paranoid schizophrenics are characterized by sharp delusions, especially persecution ideas of grandeur, often with a corresponding aggressive reaction in response to the alleged persecution. There may be hallucinations of various kinds, to which patients react consecutively, but later, as deterioration occurs, apathy and indifference appear. Hallucinations are common. On the other hand, disorganized schizophrenia is another form of schizophrenia that is characterized by disorganization of speech, that is, the language is rambling and incoherent, the behavior is unpredictable, inappropriate and incongruous.

Answer:

The paranoid subtype is characterized by the presence of hallucinations and delusions. In the disorganized one appears a behavioral disorganization and of the thought and language as well as an inappropriate affect. These patients tend to have an earlier onset, a worse prognosis, and a greater number of neurocognitive alterations.

Explanation:

answer credit: genewho

As we learned plasma proteins Fibrinogen and Prothrombin are both needed for coagulation. However, there is much more fibrinogen (4% of plasma proteins) compared to prothrombin (present in only small traces). Applying your knowledge of enzymes and clotting cascade, explain the difference in their abundance.

Answers

Answer:

Fibrinogen is present in much higher amounts than what is required for coagulation while Prothrombin is present in low amounts in order to prevent excess conversion to thrombin during blood clotting

Explanation:

Fibrinogen is functional  for processes such as inflammation, atherogenesis and not for blood Coagulation and they are required to form Fibrin fibers which will in turn form blood clots. Fibrinogen is present in much higher amounts than what is required for coagulation while

Prothrombin is present in low amounts in order to prevent excess conversion to thrombin during blood clotting. and this is because increased concentrations of thrombin will lead to an extensive intravascular thrombosis

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Drag each label to the correct location on the chart.Sort the actions and terms based on the type of pollution they directly cause. someone help me with my math...no bias answers, please Q6 What is the greatest number of parts of a circle What's the greatest number that can be formed by cutting the circle with 7 straight cuts? (NOTE: the parts do NOT have to be equal in size)A) 14B) 21D) 29C) 27 A cone has the same radius and height as a cylinder which has greater volume the cone or the cylinder why did Christies novel 1926 The murder of roger Ackroyd receive so much criticism NEED HELP ASAP WILL GIVE BRAINLIEST REAL ANSWERS ONLY PLZ REPORT LINKS OR PEOPLE ANSWERING FOR POINTS help!!!!!!!!!!!!!!!!!!!!!!!!!!!! asap!!!!!!!!!!! 50 pts and brainliest! A wealthy elderly couple dies together in an accident. A man comes forward, claiming that he is their long lost son and is entitled to their fortune. The couple were of blood types AB and O. The man has type O blood. Could he be the heir to the fortune? Group of answer choicesNo, you cannot get type O from crossing type AB with type OYes, you can get type O from crossing type AB with type O Jorge, Luis y usted _________________ mucho los fines de semana ( trabajar)How would you conjugate "trabajar" to be grammatically correct in this sentence? What is "Can I have a Coke, please?" in French?? A 2.5 Coulomb charge is placed in an electric field where it experiences an electrical force of 50.N. What is the value of the electrical field at the place where the charge is located? Remember to identify all data (givens and unknowns), list equations used, show all your work, and include units and the proper number of significant digits to receive full credit. (5 points) What figurative language is used here? Whats in a name? that which we call a roseBy any other name would smell as sweet; Could someone plz help and show work? Thanks Can someone please explain how to do this i am so confused i just want to pass this class please :( why revenge is a Sign of weakness Read and choose the correct option to complete the sentence.Me encantaban las fotos de______ muy altos de hielo y nieve.los lagoslos roslos glaciareslos humos What Is 20cm rounded to the nearest 10? when and how did the cold war spread from europe to asia can someone finish the conclusion paragraph From the equation y = 4 - X, which ordered pair would represent a solution?A (3,-1)B (9,5)C (6,-2)D (0,-4)