An ameba absorbs oxygen from its environment and releases carbon dioxide into its environment. This process is known as

Answer: the answer is plasma membrane

Explanation:

Plasma membrane is made up of lipoproteins. There are two layers of lipids and the protein molecules are embedded in it. It is present in both plant cell and animal cell. The membrane is selectively permeable i.e., it allows only certain substances to pass.

The parts of the cell is made up of lipoprotein is Plasma Membrane. So, the correct option is (B).

The plasma membrane is made up of lipoproteins. There are two layers of lipids and protein molecules are embedded in it. It is present in both plant cell and animal cell. The membrane is selectively permeable i.e. it allows only certain substances to pass through.

The plasma membrane is also called the cell membrane which is a biological membrane that separates and protects the interior of all cells from the external environment. The plasma membrane controls the transport of materials entering and exiting the cell.

It provides a definite environment inside the cell. It also has many different functions such as transporting nutrients into the cell and removing toxins from the cell. The second is that the membrane of the cell, which would be the plasma membrane, would contain proteins that interact with other cells.

Thus, the parts of the cell is made up of lipoprotein is Plasma Membrane. So, the correct option is (B).

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Answer:

c

Explanation:

just got this question

Explanation:

Here you go, my teacher hasnt graded it yet.

Answer:

Pressure Cooking

Explanation:

Pressure cooking is a very old cooking method that’s experienced a recent resurgence thanks to a new generation of cookers that promise a speedy, set-it-and-forget-it path to dinner. These devices, whether electrical or stovetop, are all much safer than those of decades ago (which tended to explode), with mechanisms to prevent them from accumulating too much pressure. If you read the owner’s manual carefully, however, you’ll still find one important precaution to take when cooking under pressure: adding water. Water and pressure cooking go hand in hand. In fact, it’s water that helps generate the high-pressure environment that makes your food cook faster.

Most pressure cooker instructions state a minimum amount of water required for pressure cooking even a tiny amount of food. Inside the tightly sealed pressure cooker, the water is heated and eventually boils into steam. Since the steam cannot escape, it collects above the food. All those trapped water molecules increase the pressure inside the cooker.

Answer:

Q = 2.877 mole (4 sig. figs.)

Explanation:

Using Q = m·c·ΔT => m = Q/c·ΔT

Q = 27.16 Kj

c = 27.17 j/g·°C = 0.02717 Kj/g·°C

ΔT = 347.6 °C  

Q = 27.16 Kj/(0.02417j/mol·°C)(347.6°C) = 2.87.6869965 mol (calc. ans.)

= 2.877 mole (4 sig. figs.)

Answer:

the body can losse heat through Radiation,since Radiation does not involve the direct contact of two mediums

This problem is describing the state two gases have when separated and together as shown on the attached picture. First of all, diagram 1 shows how they are separated in two containers with apparently equal volumes, whereas diagram 2 shows the removal of the barrier so that they get mixed together.

In this case, we can analyze that each gas has its own pressure and due to the removal of the barrier, both pressure and volume undergo a change. Thus, we can infer that the final volume is doubled with respected to the initial one for each gas, causing the pressure of each gas to be halved and the total pressure the half of the added ones, in agreement to the Boyle's law (inversely proportional relationship between pressure and temperature).

Therefore, the correct choice is:

C. The partial pressure of each gas in the mixture is half its initial pressure; the final total pressure is half the sum of the initial pressures of the two gases.

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Answer:

only transverse and electromagnetic waves

Explanation:

Light waves are electromagnetic waves.Electromagnetic waves or EM waves exist waves that are created as a consequence of vibrations between an electric field and a magnetic field.

In physics, electromagnetic radiation (EMR) consists of waves of the electromagnetic (EM) field, propagating via space, and having electromagnetic radiant energy. It contains radio waves, microwaves, infrared, (visible) light, ultraviolet, X-rays, and gamma rays. All of these waves form parts of the electromagnetic spectrum.

Light waves are electromagnetic waves.Electromagnetic waves or EM waves exist waves that are created as a consequence of vibrations between an electric field and a magnetic field.

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Answer:

metals, 88 , periodic table , luster , heat, electricity , thin, right, opposite , appearance , luster  , malleable , ductile, opposite , shiny, moderately

Explanation:

metals, 88 , periodic table , luster , heat, electricity , thin, right, opposite , appearance , luster  , malleable , ductile, opposite , shiny, moderately Is the answer.

(Hope this helps can I pls have brainlist (crown)☺️)

Answer:

sweat

Explanation:

you get dehydrated in hot weather because your body will release sweat to try and keep you cool

Answer:

Well, the heat can sometimes be very subtle in how it affects the body. If you're out in the sun, it can take just 30 minutes or up to a few hours for the heat to cause dehydration, nausea or it could cause trouble concentrating. When it's hot and humid, your risk of dehydration and heat illness increases. That's because when the air is humid, sweat can't evaporate and cool you as quickly as it normally does, and this can lead to an increased body temperature and the need for more fluids.

I HOPE DAT THIS HELPS :)

Explanation:

The energy of the photon with a frequency of 9.50×10¹³ Hz is 6.29×10¯²⁰ J

From the question given above, the following data were obtained:

Frequency (f) = 9.50×10¹³ Hz

Planck's constant (h) = 6.626×10¯³⁴ Js

The energy of the photon can be obtained as follow:

E = hf

E = 6.626×10¯³⁴ × 9.50×10¹³

Therefore, the energy of the photon is 6.29×10¯²⁰ J

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Answer:

It is possible to divide cells into two classifications: eukaryotic cells, which have a nucleus, and prokaryotic cells, which do not possess a nucleus but do contain a nucleoid area. In contrast to prokaryotes, which are one-celled creatures, eukaryotes may be either single-celled or multicellular in nature.

Explanation:

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The volume of the dry nitrogen gas at STP is 57.4 mL

From the question given above, the following data were obtained:

Initial volume (V₁) = 77 mL

Initial temperature (T₁) = 50 °C = 50 + 273 = 323 K

Initial pressure (P₁) = 763 – 92.5 = 670.5 mmHg

Final temperature (T₂) = STP = 273 K

Final pressure (P₂) = 760 mmHg

The volume of the dry nitrogen can be obtained by using the combine gas equation as follow:

[tex] \frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2} \\ \\ \frac{670.5 \times 77}{323} = \frac{760 \times V_2}{273} \\ \\ cross \: multiply \\ \\ 323 \times 760 \times V_2 = 670.5 \times 77 \times 273 \\ \\ divide \: both \: side \: by \: 323 \times 760 \\ \\ V_2 = \: \frac{670.5 \times 77 \times 273 }{323 \times 760} \\ \\ V_2 = 57.4 \: ml[/tex]

Therefore, the volume of the dry nitrogen gas is 57.4 mL

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Answer: here is a description of what they look like since I cannot see the diagram.

Mitochondria- wavy line

Ribosomes- little dots

Chromosome- X

Nucleus- Circle with bite taken out of it

Endoplasm- Bubble

Nuclear membrane- Outer layer/bubble

Golgi-wavy circle thing

Vacuole- Bigger circle (but not nucleus)

Cytoplasm- its the jelly on the inside

Cell wall- only in plant cells, looks like a box

Cell membrane- The outmost part of the animal cell, the barrier.

I sure hope this helps!!!

Answer: False

Explanation: The stronger oxidizing agent, and stronger reducing agent are the reactants.

The given statement is false , for a spontaneous redox reaction, the reactants are stronger oxidizing and reducing agents than the products.

Redox reactions comprise of two parts a reduced part and an oxidized part, which occur simultaneously . The part which is reduced gain electrons and hence there is a increase in oxidation state of the species.

While, the part which is oxidized looses electrons and hence there is a decrease in oxidation state of the species.During redox reactions, there is no net change in the number of electrons . Electrons which are given off in oxidation are used up in reduction.

The ion or molecule which accepts electrons is called as oxidizing agent while the ion or molecule which donates electrons is called as a reducing agent.

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When particles move fast enough, these forces can no longer keep particles together.

Recall that the particles of a substance are in constant random motion. Hence, when more energy is added to the system, the particles within the system will have greater motion, and the temperature will increase.

The forces that keep molecules together in a particular state of matter are electrostatic forces. When particles move fast enough, these forces can no longer keep particles together.

It is common to use the analogy of an elastic material to represent the bonding between atoms in molecules. However, this analogy is not apt in a phase change because, for a phase change from liquid to gas, the bonds break completely and particles can move independently of each other.

We know that the average kinetic energy of the molecules of a substance depends on the temperature of the body. Therefore, a sample of liquid benzene at 80ºC and a sample of gaseous benzene at 80ºC will have the same average kinetic energy as benzene molecules.

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Answer:

IV: The weight of the ball

DV: Time it takes for the ball to roll from top to bottom

Hypothesis:  6 pound bowling ball from the top of the ramp, then it will roll the fastest.

Constant: I dont know

Explanation:

Answer:

The energy levels or electron shells of an atom.

Answer:

Each ring represents a different energy level for the electrons. Each ring has a maximum number of electrons that it can hold. The first (inner) ring can only hold two electrons, the second level can hold eight, the third can hold 18 and the fourth holds 32.

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Answer:

With ions of calcium in a cyclotron. This produced four atoms of moscovium. Moscovium is a synthetic element with the symbol Mc and atomic number 115. It was first synthesized in 2003 by a joint team of Russian and American scientists at the Joint Institute for Nuclear Research (JINR) in Dubna, Russia. In December 2015, it was recognized as one of four new elements by the Joint Working Party of international scientific bodies IUPAC and IUPAP. On 28 November 2016, it was officially named after the Moscow Oblast, in which the JINR is situated.[7][8][9]

Moscovium is an extremely radioactive element: its most stable known isotope, moscovium-290, has a half-life of only 0.65 seconds.[10] In the periodic table, it is a p-block transactinide element. It is a member of the 7th period and is placed in group 15 as the heaviest pnictogen, although it has not been confirmed to behave as a heavier homologue of the pnictogen bismuth. Moscovium is calculated to have some properties similar to its lighter homologues, nitrogen, phosphorus, arsenic, antimony, and bismuth, and to be a post-transition metal, although it should also show several major differences from them. In particular, moscovium should also have significant similarities to thallium, as both have one rather loosely bound electron outside a quasi-closed shell. Over a hundred atoms of moscovium have been observed to date, all of which have been shown to have mass numbers from 286 to 290.

Explanation:

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Using calcium ions in a cyclotron. As a result, four moscovium atoms were created. Moscovium is a man-made element with the atomic number 115 and the symbol Mc

Heavy ion collisions in particle accelerators have intentionally produced element 115, also known as Moscovium. So far, about 100 atoms have been seen.

At the Joint Institute for Nuclear Research (JINR) in Dubna, Russia, a team of Russian and American scientists initially created it in 2003.

It was acknowledged as one of four new elements by the Joint Working Party of the worldwide scientific organisations IUPAC and IUPAP in December 2015. It was formally named after the Moscow Oblast on November 28, 2016.

Thus, Element 115 i.e. moscovium was created using calcium ion of cyclotron.

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mix the food with digestive juices that have acids and enzymes, breaking it into much smaller, digestible pieces

Answer:

This is a reversible change. Similarly, if you boil water, it evaporates and becomes water vapor. When you cool this vapor down, it turns back to water. A change which cannot happen backward, that is, it cannot be reversed is called an irreversible change.

Explanation:

When we boil water by heating, then it changes into steam. Now, if we cool the steam, then water is formed again. So, the changing of water into steam has been reversed by cooling. Thus, the boiling of water (or evaporation of water) is a reversible change.

Answer: The answer is elastic potential energy

Explanation: Potential energy is stored energy if something is elastic that means the shape or form of an object is being compressed from its original form. Like elastic girl from the incredibles lol. but anyways if you compare somehting to a rubber band it has elastic potential energy Thus the answer is D.

Hope this helps :).

When you bend, stretch, or compress an object from its natural shape, it stores Elastic potential energy.

Elastic energy is the mechanical potential energy held in a material's or a physical system's configuration as it is subjected to elastic deformation as a result of work being done on it. Elastic energy is created when objects are momentarily crushed, stretched, or otherwise deformed.

Because it is stored in the bonds between atoms of an object or substance when it is momentarily stressed, elastic energy is a type of potential energy. The object may have been stretched or compressed, causing this stress.

An object's shape may change as a result of a force operating on it. If stretched or compressed, elastic things can store elastic potential energy. This occurs, for instance, when a spring is stretched or a catapult is utilized.

Thus, option D is correct.

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MgCl2 product in the reaction forms a precipitate because it is solid an insoluble salt and not dissolve in solution and precipitate on the bottom surface of the solution.

The chemical reaction in which two ionic bond combine to form an insoluble salt in a aqueous solution is called precipitation reaction.

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The small flashlight has less inertia and smaller force is required to move it.

According to Newton's first law of motion, an object will continue at rest or in its state of uniform motion unless it is acted upon by an external unbalanced force. This is also called the law of inertia.

The quantity of mass contained in a body is a measure of its inertia. The greater the mass of the body, the greater the inertia and the greater the force required to move the body.

The smaller flashlight has less inertia than the larger flashlight, so  it takes less force to change the motion of the smaller flashlight.

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Answer:

Ionic Compound

Explanation:

1) NaBr

2) CaCl2

3) MgS

4) AlO

5) Li3P

6) Cs3N

7) KI

8) BaF2

9) RbNO2

10) BaO

11) Potassium oxide

12) Magnesium iodide

13) Aluminum chloride

14) Calcium bromide

15) Sodium nitride

16) Lithium fluoride

17) Barium phosphide

18) Dicesium sulfide

19) Strontium fluoride

20) Sodium chloride

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Answer:

Each element within a group has similar physical or chemical properties because of its atom's outermost electron shell (most chemical properties are dominated by the orbital location of the outermost electron).

Explanation: