DESCRIBE THE FUNCTION OF A CELL MEMBRANE AND ITS RELATIONSHIP TO WHAT HAPPENS INSIDE A CELL

Answers

Answer 1

Answer:

cell membrane's main function is to act as a selectively permeable barrier to the transport of materials across it. Membrane is made up of phospholipids arranged in a bilayer fashion. The phospholipids are amphipathic in nature, that is, contain both a hydrophobic and a hydrophilic end.

Explanation:


Related Questions

Oxygen-poor blood flows out of the heart and into the lungs. Nutrients and oxygen are sent to other cells and parts of the body. The blood then returns to the heart to begin the process again. Which of the body's systems is the above process describing? Answers (A) -The skeletal system (B)-The digestive system (C)-The respiratory system (D)-The circulatory system

Answers

Answer:

(D)-The circulatory system

Explanation:

lol just did it

and pls give me thanks

The circulatory system is the system which consist of blood vessels, heart, and blood. The main function of this system is the transport of oxygen and minerals to all the cells of body. Thus, the correct option is D.

What is Circulatory System?

The circulatory system of body consists of all the blood vessels, blood and heart. In this system, blood travels through different blood vessels (arteries, veins, and capillaries) in all parts of the body.

The blood is the main fluid of the body that contains hemoglobin protein which is responsible for the transport of oxygen and carbon dioxide in the body. The blood exchanges gases at the surface of alveoli in the lungs and sends the blood to the heart, heart pumps the blood to all the cells of body.

Therefore, the correct option is D.

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28. The phases for Meiosis II are:

Answers

In meiosis II, the phases are, again, analogous to mitosis: prophase II, metaphase II, anaphase II, and telophase II

Which of the following nitrogen bases is present only in RNA and not in DNA?

Answers

Answer:

The nitrogen base uracil is only present in RNA. It replaces the Thymine used in DNA and bonds with Adenine.

Explanation:

i need help please i need help

Answers

Answer:

what do u need help with?

Explanation:

:P

1. The chemical equation for photosynthesis is shown below is incomplete
6H20 + ______________ energy C6 H12 O6 + ________________
Plant pigment
a) Complete the equation in either all words or all symbols.
b) Name the plant pigment necessary for this reaction
2.

Name the tissues labelled A………………….., B………………… and C…………………..(3M)
3. Complete the table by matching each of the described functions to one of the leaf parts as shown in above diagram (4M)
Description of function Leaf part
Main region for photosynthesis. Contain
many chloroplast to trap light energy.
Cells are loosely packed. Air spaces between cells allow gaseous exchange.
Thin and transparent layer that allows light to pass through.
Water vapor passes out during transpiration.
If question 2 is not answerable or if the picture is missing then leave it

Answers

Answer:

Explanation:

C2+c4=83

Carbon plus oxygen

PLEASE HELP! :(


According to the graph, what condition is best for enzyme activity?

Answers

Answer:

C

Explanation:

Highest peck in enzyme activities

pyruvic acid enters the ____ and is first converted into _____.

a. krebs cycle; citric acid
b. krebs cycle; acetyl CoA
c. mitochondria; citric acid
d. mitochondria; acetyl CoA

Answers

Answer :

D. Mitochondria ; acetyl CoA

pyruvic acid enters the mitochondria and is first converted into acetyl CoA

Help pls
It would mean a lot

Answers

I think it’s B) CO2 (this is the equation of respiration)

If a population has low death rates and high life expectancy which end of the population pyramid will increase?

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Answer: "Constrictive" pyramid

[ I hope my answer is correct]

what are the 3 major purposes for the cell cycle

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Cell division has three main functions which are reproduction of unicellular organisms and the production of gametes and growth in eukaryotes.

What is the difference between glucose and ATP?

Glucose is a storable form of energy, while ATP is a usable form of energy.

ATP is a storable form of energy, while glucose is a usable form of energy.

ATP is only a usable form of energy, but glucose can be used and stored.

Glucose is only a storable form of energy, but ATP can be used and stored.

Answers

The main difference between glucose and ATP is that Glucose is a storable form of energy, while ATP is a usable form of energy.

Glucose is storable form of energy because it can't be used as energy until it can be broken down by mitochondria of the cell while on the other hand, ATP is the usable form of energy which we can get from the break down of glucose molecules. Our cells use ATP as a fuel to do various activities of the cell so we can conclude that in glucose, energy is present in stored form whereas ATP is used as energy in various activities.

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Can someone help me write a short speech for this? I’ll give brainliest

Answers

Answer:

I sure hope this helps you!

Explanation:

Flying through the air I feel in need of food. Down under me is a beautiful ocean. On that oceans surface, there are lots of phytoplankton. Enough for me, enough for my family. This phytoplankton down under me has lived its life, eaten other organisms, and those organisms eat organisms. Now, is my turn. Tis the circle of life, they eat, I eat. Someday, something will eat me. Eating is very important to the living kind. It helps us stay healthy and alive. This, is my story of The Importance of Upwelling.

Even though sunlight looks white, what is it really made up of?

Answers

Answer:

White light means your not missing any of the visible color spectrum, so all the colors.

Explanation:

sex linked traits are typically carried on the x chromosome. to denote the geontypes, a superscript is used. a female carrier of hemophillia will have the genotype xH Xh . using the letters X AND Y , what is the genotype for each of the following people?

Answers

Answer: XHY, XHXh

Explanation: I don't know if this is correct exactly but i just looked at my notes from my bio class because we did this previously so i think it's right

Which THREE processes are involved when a multicellular organism reproduces sexually? a. mitosis b. fusion of gametes c. meiosis d. formation of gametes. Pls help yall!!!​

Answers

a, c , d hope this helps

Answer:

B C D

Explanation:

the mitosis it reproduces by its own it doesn't need another person or animal to reproduce.

type a paragraph summarizing cellular division and differentiation
PLS HELP!!! PROJECT DUE IN 30 MINUTES!!

Answers

Answer:

Cellular differentiation is the process in which a cell changes from one cell type to another. Usually, the cell changes to a more specialized type. ... Differentiation continues in adulthood as adult stem cells divide and create fully differentiated daughter cells during tissue repair and during normal cell turnover.

Answer:

Cellular differentiation is when a cell changes from one cell type to another—usually, the cell changes to a more specialized class. Differentiation continues in adulthood as adult stem cells divide and create fully differentiated daughter cells during tissue repair and average cell turnover.

Explanation:

IM A DIFFERENT BREED!

if you answer this in a short paragraph I'll answer your newest question, give you brainliest, 5 star rating, and thanks. <3

How are precipitation and temperature different between the polar and tropical climate zones?

Answers

Answer:

Ok ill do it :D

The polar and tropical region temperature and preticaplation are different in many ways. The tropical climate temperature is warm compared to the Polar temperature The Tropical region precipitation is rain and lots of rain. The polar regions precipitation is mostly snow and hail.  These two climate zones are different because where they are located on the globe. All in all there are many differences between these two regions.

Hope this helps ;D

Explanation:

Exercise 4 (Module 6.9) Glycolysis is the first of three steps in cellular respiration. Review glycolysis by matching each phrase on the right with a term on the left. Some terms are used twice.
_____ 1. Compound formed between glucose and pyruvic acid
_____2. Not involved in glycolysis _____3. Fuel molecule broken down in glycolysis
_____ 4. Produced by substrate-level phosphorylation
_____5. Invested to energize glucose molecule at start of process
_____ 6. Reduced as glucose is'oxddized _____7. Glucose converted to two molecules of this
_____8. Assembled to make ATP
_____9. "Splitting of sugar"
_____10. Carries hydrogen and electrons from oxidation of glucose
A NADH
B. Pyruvic acid
C. ATP
D. NAD+
E Glucose
F. Glycolysis
G. ADP and P
H. Oxygen
I. Intermediate

Answers

Answer:

Explanation:

?????????? i don't undrssanted

The fact that whales have a pelvis is which type of evolutionary evidence?

Answers

Answer:

Anatomical Evidence

Explanation:

The pelvic bones in whales are a good example of evolutionary anatomical evidence shown by vestigial evolution where whales evolved from four-legged land mammals and secondarily lost their hind legs.

If energy is released, free energy must be what?

Answers

Answer:

If energy is released during a chemical reaction, then the change in free energy from the conversion of the reactants to the products, signified as ΔG (delta G) will be a negative number.

Explanation:

Hope it helped!

Answer:

If energy is released during a chemical reaction, then the resulting value from the above equation will be a negative number. In other words, reactions that release energy have a ∆G < 0. A negative ∆G also means that the products of the reaction have less free energy than the reactants because they gave off some free energy during the reaction.

Explanation:

does any one know whats wrong with my foot it has been in constant pain since yesterday now i dont know if it is a sprain or what plz help im in constant pain now i can hardly walk it is the long near the big toe right in the center of the long bone conecting to my ankle plz i need to know if i need to go to doctor.

Answers

Answer:

Yes. You need to go to the doctor.

Explanation:

Your foot could be doing this because the bone itself could be bruised or else it somehow got injured or is in some other type of pain.  

confusin help pls ??????????

Answers

Answer:

yes I ldk what u want with no pictures

What are the characteristics of this layer that make it the ideal layer for the Concorde to travel?

Answers

Answer:

The temperature increases with weight

Explanation:

Characteristics of the layer that make Concorde to travel is The temperature increases with weight.

How did Concorde fly so high?

Concorde fly so high because the higher it flew, the thinner the air was that it encountered. This consequently led to less drag and fuel burn.

Did the Concorde fly in the stratosphere?

Able to cruise at a near-stratospheric altitude of 60,000 feet at 1350 miles per hour, the plane cut travel times on its routes in half. But speed and altitude were not the only factors that made Concorde so remarkable.

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Which statement accurately describes how species change through natural selection?Immersive Reader

Organisms that survive will die off.
Changes to the environment cause organisms to change.
Organisms who can survive will reproduce.

Answers

Answer:

organism that will die off

Explanation:

because

What macromolecules provide instruction for growth

Answers

Correct answer :

D. Nucleic acids

Is the pH of Claire's small intestine below, within, or above the optimal range of each enzymes?

Answers

Answer: Protease is within

Lipase is within

Carbohydrase is within

Explanation:

Because a pH of 9.1 is within the green area for every graph, Claire’s pH is within the optimal range for every enzyme.

True or False: If a planet were to stop moving relative to the sun, gravity would draw that planet into the sun.

Answers

Answer:

True

Explanation:

There are ________________________ amendments to the Constitution.

Answers

Answer:

27 amendments as of 2020

Explanation:

Hope i helped!

If a mother has an AB blood type and her daughter has BB blood type, The dad has
AA blood, the mailman has type AO blood and the neighbor has BO blood. Which one is really the father?
A.the dad
B.the mailman
C.the neighbor
D.none of them

Answers

Answer:

c. neighbor

Explanation:

half the mother, half by fathee

The neighbor.

The blood type of the child is decided by half of each parent’s blood type.

can someone please help me figure this out! due in 10 mins!! 20 POINTS!!!!

Answers

NNN all this math gon make me act up
Other Questions
A hurricane sweeps across the ocean and damages the houses of people living along the coast. This is an example of interactions between the biosphere, atmosphere, and sand hydrosphere, sand, and biosphere atmosphere, sand, and hydrosphere atmosphere, hydrosphere, and biosphere 1. The chemical equation for photosynthesis is shown below is incomplete 6H20 + ______________ energy C6 H12 O6 + ________________ Plant pigmenta) Complete the equation in either all words or all symbols. b) Name the plant pigment necessary for this reaction 2. Name the tissues labelled A.., B and C..(3M)3. Complete the table by matching each of the described functions to one of the leaf parts as shown in above diagram (4M)Description of function Leaf partMain region for photosynthesis. Contain many chloroplast to trap light energy. Cells are loosely packed. Air spaces between cells allow gaseous exchange. Thin and transparent layer that allows light to pass through. Water vapor passes out during transpiration. If question 2 is not answerable or if the picture is missing then leave it The post office sold 39-centcommemorative stamps in sheetsof 25 stamps. What was the pricefor the sheet of stamps? Does electric and magnetic objects both have north and south poles a, = 5 +0.2(n-1)f(n) HURRY FOR BRAINLIEST Please select the word from the list that best fits the definitionthe Spartan name for a captive worker (RL.7.1, RL.7.4, RL.7.6) Ponyboy asks, What kind of world is it where all I have to be proud of is a reputation for being a hood, and greasy hair? What kind of figurative language is this? And what does this thought teach you about Ponyboy and his feelings? What is 708 divided by 67 with a remainder? 5 (2k - 8 ) - 15 = -25 how do I solve this? A snowboard shop charges $10, plus an additional #3 per hour to rent a snowboard. Write the equation for the line in slope-intercept form.HURRY HELP PLS!! find the value of x PLEASE EXPLAIN 80pts. How has decorating the body changed over time in American culture? What was acceptable today that was not in pervious eras? What has changed about culture to make these permissible? Evaluate the function f(x) = -2x + 9 when x = 2 How do you combine these 2 sentences by subordinating the 2nd sentence. The St. Louis Cardinals have a rich history of success. Their offense this year was awful. which of the following consonants cannot be used in the begging of a word in spanish PLEASE HELP I WILL MARK THE BRAINLYNEST IF CORRECT THANK YOU, Under what circumstances did Calvin Coolidge come to the presidency?A.Harding was assassinated.B.)Harding resigned.C.)Harding was impeached.D.)Harding died in office. Look at image which graph shows T (ABC)? Your pet dog has 78 chromosomes in each of its body cells. How many chromosomes are in each of its sperm cells? When the author refers to astronomers as bullies trying to kick everyones favorite cosmic underdog out of the clubin paragraph 8, he is using A understatementB overstatementC a straw manD a red herring7 Since then, Pluto has been very much a part of our mental map of the universe. Youll find it on lunchboxes,postage stamps, NASA Web sites, and in the mnemonics that children learn to remember the planets. Plutosqualifications may be more cultural than scientific, but weve fully embraced it as a planet in good standing.8 This is why astronomers who question Plutos status come across as bullies trying to kick everyones favoritecosmic underdog out of the club. And while they have a pointafter all, its not a great idea to let culturalattachments dictate scientific categoriestheyre missing an important part of the picture.9 Think of it this way. The term planet is similar to continent. The word helps us organize our world, but thedivision between continents and subcontinents is thoroughly arbitrary. Yet no union of geologists has tried tovote on a definition of continent, and no one is concerned that letting culture determine the difference betweenAustralia, the smallest continent, and Greenland, the largest island, somehow erodes science. WILL MARKDOWN BRAINLIEST