How are the molecules in the cell membrane arranged? as a lipid bilayer as a protein bilayer as a carbohydrate bilayer as a DNA bilayer

Answers

Answer 1

Answer:

as a lipid bilayer

Explanation:

just took the test

Answer 2

Answer:

A. as a lipid bilayer


Related Questions

Pluto's average distance from the Sun is about 3,666,000,000 miles. What is this in inches?​

Answers

Answer:

2.3227776e+14

Explanation:

Its a massive number

Pluto's average distance from the Sun is about 3,666,000,000 miles and in inches it is 2.3227776e+14.

What is lunar phase ?

Lunar phase is the phase of moon which is viewed from the earth, the lunar phase is also known as moon phase is a shape of moon's directly sunlit portion and it can be expressed quantitatively.The current moon phase for today is the new moon phase.The moon is known as earth's only natural satellite and combinedly with earth it forms the earth-moon satellite system.

The size of moon is one quarter of earth in diameter. It is fifth largest satellite in the solar system. The distance of moon from earth is 384,400 km. The radius of moon is 1,737,4 km.  The gravity of moon is 1.62 m/sec^2.

The total surface area of moon is 3.793×10^7 km square and it's surface pressure is 10^-7 Pascal.There are total 8 phase of moon and these are new moon, first quarter, waxing gibbous, third quarter and waning crescent.

Therefore,Pluto's average distance from the Sun is about 3,666,000,000 miles and in inches it is 2.3227776e+14.

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What increases acidity more, nitrile group or chloride group?

Answers

Answer:

The nitrile group

Explanation:

The nitrile group contains the C≡N bond. It should be recalled that triple bond is highly electronegative and withdraws electrons from the C-H bond more effectively than the halogen atom.

The higher effectiveness of the C≡N bond at electron withdrawal greatly reduces the electron density of the C-H bond thereby making the hydrogen atom of the bond highly labile

11. Calculate the number of atoms of sodium in a 4.5-gram sample.
A 1.2 x 1023 atoms Na
B 2.5 x 1023 atoms Na
C 1.7 x 10-22 atoms Na
D 3.1 x 1024 atoms Na

Answers

Answer:

A

Explanation:

Why do nuclear fusions release energy?

Answers

Answer:

The release of energy with the fusion of light elements is due to the interplay of two opposing forces: the nuclear force, which combines together protons and neutrons, and the Coulomb force, which causes protons to repel each other.

this is an earth and space question worth 46 points plz answer Edwin Hubble was an American astronomer who pioneered the exploration of what type of space.

Answers

Answer:

He made human race know there were other galaxies in this universe

Which of the following metals is most reactive?
a. Mg
b. Rb
c. Cs
d. Li

Answers

the answer would be c :)

The gas carbon dioxide is a pure substance. Which of the following is true about carbon dioxide?

Answers

Answer:

the answer is A :)

Explanation:

Question 2 of 10
Which of these is not an example of how engineering has affected society?
O A. The seven-mile bridge that spans across the Gulf of Mexico to
connect two cities of the Florida Keys
O B. The Hoover Dam, which was built to prevent floods, provide
irrigation, and produce hydroelectric power
O c. The use of piers and beams used to build a strong foundation for
a house
D. Our understanding of how cancer cells grow and spread

Answers

D is the answer
Our understanding of how cancer cells grow and spread

Answer:

D. Our understanding of how cancer cells grow and spread

As the frequency of electromagnetic waves increases, what happens to the wavelength?
O It increases.
O It decreases
It fluctuates.
O It remains constant.

Answers

Answer:

It decreases.

Explanation:

As the frequency of electromagnetic waves increases, the wavelength decreases.

What is frequency?

Frequency defines the number of waves passing through a fixed area over a period of time. So if the time we take for the wave to pass is 1/2 second, it is usually 2 per second. If it takes 1/100 of an hour, it is usually 100 per hour.

What is an example of frequency?

The definition of frequency is how often something happens. An example of blinking an eye blink 47 times in one minute. (physics) The degree to which a recurring event occurs, such as a full-wave cycle.

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Eva buys a package of food, and the nutrition label says that one serving is equal to 36 grams and has 110 Calories. However, the box is printed with a label that says 0.150 pounds. If Eva eats the whole package, how many Calories will she have consumed?

Answers

Answer:74844

Explanation:

Answer:

208

Explanation:

(110 calories × 68.04 grams) ÷ 36 grams

= 208 calories

Got it right on my assignment


What is the main source(s) of energy for all living things?

Answers

I would say the sun.

Answer:

The sun

Explanation:

All living things get energy from different sources (a cow gets it from grass, dog gets it from meat), but eventually, most energy on Earth comes from the Sun. Plants use it to perform photosynthesis, other organisms eat plants, and so on!

Why is chemistry known as the "central" science?

A. because chemistry involves the study of the central parts of matter
B. because chemistry is fundamental to understanding the other sciences
C. because chemistry is always studied after biology and before physics
D. because chemistry deals with processes that affect living and nonliving things

Answers

Answer:

D

Explanation:

Chemistry is often called the central science because of its role in connecting the physical sciences, which include chemistry, with the life sciences and applied sciences such as medicine and engineering. The nature of this relationship is one of the main topics in the philosophy of chemistry and in scientometrics.

A rod of iron of uniform density has a thickness such that a one-inch-long segment of it weighs 3.88 ounces. Given that there are 0.035273 ounces in a gram and 2.54 centimeters in an inch, how many grams would a 14.79 cm length of the same iron rod weigh?

Answers

Answer:

Weight of 14.79 cm rod of iron = 640.51 gram (Approx)

Explanation:

Given:

Weight of 1 inch rod = 3.88 ounce

1 inch = 2.54 centimetre

1 gram = 0.035273 ounce

Find:

Weight of 14.79 cm rod of iron

Computation:

Weight of 14.79 cm rod of iron = 14.79[3.88/{(0.035273)(2.54)}]

Weight of 14.79 cm rod of iron = 57.3852 / 0.08959342

Weight of 14.79 cm rod of iron = 640.5068

Weight of 14.79 cm rod of iron = 640.51 gram (Approx)

Answer:

640.51 gram

Explanation:

on edg

how many valence electrons are in the element gallium? explain how you determined the number.

Answers

Gallium has three valence electrons.

Elements in the periodic table are classified into groups and periods. Elements in a given group have the same number of valence electrons on their outermost shell while the elements in a period have the same number of shells.

All the elements in group 13 have three electrons in their outermost shell. Gallium is an element of group 13. This means that gallium also has three electrons in its outermost shell(valence electrons).

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Gallium has 3 valence electrons (1 electron in the 4p orbital and 2 electrons in the 4s orbital) because the valence electrons are those located in the outermost energy level of an atom.

Gallium has an atomic number of 31, which means it has 31 electrons in total. The electron configuration of gallium can be represented as [Ar] 3d¹⁰ 4s² 4p¹.

Within the n=4 shell, gallium has electrons in the 4s and 4p orbitals. The 4s orbital can hold a maximum of 2 electrons, while the 4p orbital can hold a maximum of 6 electrons. In the case of gallium, there is 1 electron in the 4p orbital.

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A student performs the following experiment.
Step 1: she pours a colorless solution into a beaker that contains another colorless liquid. Yellow particles appear in the liquid.
Step 2: she lets the yellow particles settle in the beaker and then separates the colorless liquid by decantstion.
What most likely occurred in the beaker?

Answers

Answer: A chemical change in step one and a physical change in step two. ( So A) on edu

Explanation:

Answer:

A. a chemical change in step 1 and a physical change in step 2

Explanation:

Correct on Edge 2022!!!

Good luck everyone, you got this! Have a great day!


In cooking or preparing food and drink, when have you observed solubility in action?

Answers

Answer:

Making lemonade with powder: The flavored powder is soluble and will dissolve into the water.

Explanation:

Why are models and a common set of units important for scientists?

Answers

Answer:

Explanation:

When researching a question in science, we collect data, interpret it, and share the results with other scientists. A common measurement system allows us to make direct comparisons instead of having to know things like how much a certain animal weighs.

What kind of questions CANNOT be answered by chemistry?

If someone could help me out I would really appreciate it! Thank you!

Answers

Answer:

d. why matter exists

Explanation:

The kind of questions that chemistry CANNOT answer is "why matter exists".

In Chemistry, question of how the properties, composition and structure of substances are is answered. Also, the transformations that these substances undergo, and the energy that they release or absorbe during the transformation processes are revealed in chemistry.

Chemistry can answer the question of what forms of matter exists but cannot answer why matter actually exists.

How many significant figures are in 0.0810300600 kg​

Answers

Answer: 2.

Explanation:

Cats are aliens, sent to spy on us. Is this statement about cats a scientific theory? Explain your answer, including whether you can provide evidence to support the statement.

Answers

Answer:

No, it's not a scientific theory because it has no merit or evidence to support that claim.

Explanation:

How many sig figs are there?
4000.

Answers

The number of significant figures in 4000 is 1

For the following situations, describe the contact and non contact forces that are involved.
A. A book sitting on a shelf
B. A soccer player kicking a ball; the ball soaring through the air and landing on the ground
C. A hiker in the woods reading her compass to determine which direction to go
D. A child on a sled; first, the child is sitting at the top of the hill, waiting his turn; then, the child pushes off and slides down the hill, eventually coming to a ston

Answers

Answer:

D

Explanation:

Bc I got it right

Answer:

For A: the contact I think would be the bookshelf holding it up the non-contact force would be gravity making it so the book would stay where it was put.

For B: the contact force would be the ball being kicked and the non-contact would be the gravity pulling it back to the ground.

For C: A hiker in the woods reading her compass to determine which direction to go The contact would be her holding the compass and moving around the non-contact would be the compass arrow turning every time she moves.

For D: The child on a sled for the contact force would be the person pushing the little kid down the hill the non-contact force would be the gravity that would be keeping the kid going down the hill and gravity stopping the kid at the bottom of the hill.

Explanation:

Have the same assignment and these are the answers I gave. Hope this helps someone!

1. The term _________
refers to the chemical potential of hydrogen.

Answers

Answer:

PH

Explanation:

Answer:

Explanation:

pH but i'm really not sure

If Argon has a mass number of 40 and an atomic number of 18, how many electrons does a
neutral atom contain?

A.40
B.20
C.22
D.18

Answers

C) 22 because the mass of a neutron is 1 amu and a proton is also 1 amu, so 40-18=22

Which is one precaution to take when working with heat and fire?
O Do not use during experiments
O Keep flammables away.
O Avoid touching face and eyes.
O Do not mix chemicals unless told to do so.

Answers

Answer:

Keep flammables away

Explanation:

this would avoid anything catching on fire or burning down

Keep flammable materials away

6) A giraffe walked 1 mile in 15 minutes. Find the unit rate. O A. 1 mi/15 min O B. 15 mi/min O C. 0.06 milmin 0 D. 2 mi/30 min​

Answers

Answer:

1 mil/ 15 min

A giraffe walked 1 mile in 15 minutes. So the unit rate for it will be 1mil/ min.

What is the unit?

Unit is some standards to measure the physical quantity of an object. There are two unit systems as SI unit and the CGS unit.

There are standard six quantities which have units :

Kilogram is the unit of mass.second is the unit of time.Meter is a unit of length.Ampere is the unit of current.Kelvin is the unit of temperature.Mole is the unit of the amount of substance.

Apart from this, some quantities have derived units. These quantities are force, energy, and power.

In the given question, the giraffe walked 1 mile in 15 minutes, therefore

Walking distance of giraffe= 1mile/ 15 min.

Therefore, A giraffe walked 1 mile in 15 minutes. So the unit rate for it will be 1mil/ min.

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Write in a scientific notation 234.5398

Answers

Answer:

the answer is 2.34 x 10^2

PSYCHOLOGY All of the following physical reactions occur when our fight-or-flight response is triggered except __________. A. dilating pupils B. increasing heartbeat C. increasing digestion D. increasing perspiration

Answers

Answer:

C.) increasing digestion

Explanation:

hope this helps:)

Answer:

C.  increasing digestion

Explanation:

3
Write the alpha decay WITH gamma emission for the following element:
92
AL
27

Answers

Answer:

Explanation:

In alpha decay alpha ray comes out . Apha ray is nothing but nucleus of helium atom whose atomic no  is 2 and atomic weight is 4 . Hence in alpha decay , atomic weight reduces by 4 and atomic no reduces by 2. For gamma emission , there is no change in atomic number and atomic mass.

⁹²₂₇AL ⇒ ⁸⁸₂₅X + ⁴₂He + γ

X is Manganese .

Which of these can be described as a system of stars, gases, dust, and other matter that orbits a common center of gravity?
A.) nebula
B.) asteroid
C.) galaxy
D.) planet

Answers

The answer would be C. Galaxy.

The galaxy is defined as a system of stars, gases, dust, and other matter that orbits a common center of gravity. Thus the correct option is C.

What is a galaxy?

A galaxy is generally defined as the massive collection of billions of stars with their solar systems, gas and dust all guarded together by the center of gravity.

It is in the planet earth which is the part of our solar system we all live. The solar system is found to be the part of the galaxy called Milky Way. Our milky way galaxy also contains a supermassive black hole in the center.

There are several types of galaxies which are present in different shapes. Some of them are found to be in spiral shape and some other galaxies are seen as oval shaped and they are known as elliptical galaxies.

There are also some galaxies with irregular shapes and they are seen as blobs. It is the stars that are present inside each galaxies produces light and this massive system comprising of stars, dust gases and the matter are held by the gravity.

Thus the correct option is C- galaxy.

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