A student wants to develop a model of an organism's cell that lacks chloroplasts. Which statement BEST explains how the lack of chloroplasts affects an organism?Your answer:An organism that lacks chloroplasts would not be able to convert sunlight into chemical energy through photosynthesis.An organism's cells would not be able to reproduce since the chloroplasts contain the genetic material.An organism that lacks chloroplasts would not be able to manufacture all the protein required by its cells

Answers

Answer 1

Recall that the main function of chloroplasts is to convert sunlight to chemical energy, or to carry out photosynthesis.  Plant (and eukaryotic algae) cells contain these organelles, while animal cells do not, and hence, animals cannot carry out photosynthesis.

So, a lack of chloroplasts would mean that an organism would not be able to convert sunlight into chemical energy through photosynthesis.

Plants cells, and specifically the chloroplast organelle, are able to absorb sunlight, and together with CO₂ and water, produce glucose (for the plant to eat) and oxygen (which is released into the atmosphere).  That glucose is further broken down by the plants' mitochondria.  Animals directly consume the glucose to be broken down and converted into energy, hence why we do not have - nor need - chloroplasts in our cells.


Related Questions

According to Coulomb’s law, what will happen to the electric force between

two identical negative charges as they move closer together?

A. Fe will become negative and decrease in magnitude.

O B. Fe will stay negative and increase in magnitude.

C. Fe will stay positive and increase in magnitude,

D. Fe will become positive and decrease in magnitude.

Answers

Answer:

C. Fe will stay positive and increase in magnitude.

Explanation:

Coulomb's law states that the force of attraction of repulsion between two charged particles is directly proportional to the magnitude of their charges and inversely proportional to the square of the distance of separation between them.

This means that if the size of the charges are large, the force acting on them will be large as well. Also if the distance between the two charges increases the force decreases. However, the force increases when the distance of separation decreases.

Like charges repel, therefore, two negative charges brought together will repel each other, and the distance between the two charges decreases, the force will increase in magnitude. Forces of repulsion are considered positive, therefore, the force, Fe, will stay positive and increase in magnitude.

Which subatomic particles are found in the nucleus of an oxygen atom?


F Neutrons and Electrons

G Electrons and Protons

H Protons and Neutrons

J Protons, Neutrons, and Electrons

Answers

Answer:

the answer is protons and neutrons

Explanation:because

The subatomic particles are found in the nucleus of an oxygen atom are  Protons and Neutrons. Thus, option H is correct.

What are subatomic particles?

An electron is defined as a subatomic particle which is charged negatively either bound to an atom or not it means free. The nucleus of an atom is made up of electron, proton and neutron. The electron is a basic particle and electron is not made of anything.

The nature of electron is free it means they are present freely in nature and consist of an atom.The main function of electron is that they play the role of negatively- charged component of an atom.

The electrons are primary source of current conducting and electrons number as well as atomic number of an element is always same or equal. There is no size of electron but the mass of electron is 9×10^-31.

Therefore,The subatomic particles are found in the nucleus of an oxygen atom are  Protons and Neutrons. Thus, option H is correct.

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Easy Chemistry/ Help

Answers

i’m not really sure what the qn is asking for but if i’m not wrong it should be ‘1’ for each blank!

How many liters of ammonia are formed with 49.8 g of nitrogen gas reacting with 10.7 g of hydrogen gas at S.T.P.?

Answers

the reaction is as follows:

N2+3H2---->2NH3

the number of moles of N2 is 49.8g/14gmol^-1=3.56mol

the number of moles of H2 is 10.7g/2gmol^-1=5.35mol

here, since the ratio of N2/H2 is 1/3, we can see that H2 is the limiting reagent. therefore, the reaction proceeds as follows:

N2 + 3H2 ---------------> 2NH3
5.36mol (2/3)(5.36mol)=3.57mol

therefore, the number of moles of ammonia formed is 3.57mol. at STP, P=1atm, T=273K.
Therefore, V(NH3)=(3.57)(22.38)=79.822 L

Sounds with small amount of energy______distances than sounds with more energy

A.Shorter
B. Longer
C.same
D. Medium

Answers

shorter I believe, but I would consult with your notes.

Which statement applies only to electric force insted of electric and magnetic forces

Answers

Answer:

If the options are

A. It can push objects apart

B. It can pull objects together

C. It acts between charged particles

D. It acts between objects that do not touch

I'm pretty sure it would be C.

Sry if wrong but have nice day! <3

write the cations and anions present in NaCl​

Answers


In table salt, sodium chloride, sodium is the cation (Na+) and chloride is the anion (Cl-).

What historical data from Tokyo could have helped in the development of tokyo's new flood protection system?

Answers

Answer: This historical data could have helped with the development of Tokyo’s new flood protection system:

historical frequency of flooding

amount of flooding during each storm

computer models forecasting the worst possible flooding

Explanation:

The frequency of flooding can help Tokyo measure when the next flood will be.

The amount of flooding can help Tokyo determine how much water will come during the flood.

And computer models forecasting the worst possible flood can help reach out to people and tell whether they need to evacuate or what  they should plan for.    

what coefficient will go in the box​

Answers

Answer:

5

Explanation:

I don't remember very thing from this unit but I believe 5 makes it possible

The sequence of bases in a DNA template strand is 5'AAAACTGTGCAT3'. What is the corresponding mRNA produced? Label the 3' and 5' end in your answer Enter the mRNA sequence with labels for the 3' and 5' ends.

Answers

Give more points you bully me I steal points

The corresponding mRNA to 5'AAAACTGTGCAT3' is

3'UUUUGACACGUA5'.

What is nucleotide sequence?

Nucleotides are the bases that are arranged in a specific way, and it joins the two strands of DNA and RNA.

In DNA, four nucleotide bases are present AT and GC. They are attached to each other.

In RNA, the same bases are present but instead of T, U uracil is present.

When reading the DNA, the RNA bases complimentary join with the bases of DNA.

Thus, the corresponding mRNA sequence is 3'UUUUGACACGUA5.

Learn more about base sequence

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When was Quartz found and how is it extracted??

Answers

Answer:

Quartz was discovered in 1880 and they use buldozers and backhoes (to remove dust/dirt around it) and rarely explosives.

Explanation:

Relate pH values of 9.1, 1.2, and 5.7 to hydronium and hydroxyl ion concentration.

Answers

Answer:

9.1 = basic  1.2= very acidic  5.7= acidic

Explanation:

HELP!!!
i will mark brainliest ​

Answers

Answer:

Blank #1: noble gas

Blank #2: bonding

Blank #3: octet rule

Blank #4: share

Blank #5: filled

Blank #6: halogen

Please give me brianliest!!

what is the name of this atom?
A.) Beryllium
B.) Boron
C.) Fluorine
D.) Helium

Answers

Answer:

Explanation:

A .

How many atoms of nitrogen are in the chemical formula Ni(NO3)2?

Answers

Answer:

2

Explanation:

bc the 2 that's after a bracket refers to both oxygen and nitrogen, making oxygen 6 bc it already has a 3(3×2=6)

Answer:

2

Explanation:

Help please its science

Answers

Answer: any answer choices

Explanation:

At 6 atmosphere pressure, the volume of a gas is 1200 ml. What pressure is
required to reduce the volume of a gas to 200 ml without changing the
temperature?

Answers

Answer:

36 atm

Explanation:

The pressure required can be found by using the formula for Boyle's law which is

[tex]P_1V_1 = P_2V_2[/tex]

Since we are finding the required pressure

[tex]P_2 = \frac{P_1V_1}{V_2} \\[/tex]

From the question we have

[tex]P_2 = \frac{6 \times 1200}{200} = \frac{7200}{200} = \frac{72}{2} \\ [/tex]

We have the final answer as

36 atm

Hope this helps you

Which of the following diagrams correctly represents the formation of a compound consisting of magnesium and fluorine?

Answers

Answer:

See explanation

Explanation:

The image attached describes the formation of magnesium fluoride.

Magnesium has two valence electrons while fluorine has seven valence electrons. Magnesium can now transfer one electron each to two fluorine atoms thereby forming the compound MgF2.

This has been shown pictorially in the image attached to this answer.

Is it necessary to prepare sodium extract to detect nitrogen in urea ?​

Answers

Answer:

I think No

Explanation:

If the atomic number of Lithium is 3 and its mass number is 7, how many protons, electrons, and neutrons does a neutral
atom of Li have

Answers

Answer:

Protons = 3

Neutrons = 4

Electrons = 3

Explanation:

For every atom, the atomic number is equal to the number of protons.

In a neutral atom (atom with no charge) the number of protons is equal to the number of electrons.

To calculate neutrons subtract the number of protons (atomic number) from the rounded molar mass:

7 - 3 = 4 neutrons

when is the energy source used to fuel photosynthesis

Answers

Answer:

Photosynthesis, process by which green plants and certain other organisms use the energy of light to convert carbon dioxide and water into the simple sugar glucose. In so doing, photosynthesis provides the basic energy source for virtually all organisms.

Explanation:

How many moles are there in a 122 gram sample of nickel (Ni)?
7.16 x 103 moles
6.22 mol
2.08 mol
0.481 mol

Answers

the molecular weight of nickel is 58.69 g/mol. thus in a 122 gram sample of nickel there are 122/58.69=2.08 moles of nickel.

The atomic mass of nickel is 58.71 gm and the given mass of nickel is 122 gm. Therefore, 2.08 moles are present in a 122-gram sample of nickel.

Nickel:

The atomic number of nickel is 28.The symbol of nickel is Ni.Density of a nickel 8.908 g/cm3.It is a d block element.It belongs to group 10 and period 4.It is also called transition metal.It is a metal and is located between groups 2 and 3.

Mass of nickel given: 122 grams.

Atomic mass of nickel: 58.71 g mol

Number of moles = Mass / molar mass

                             = 122/ 58.71

                              = 2.078

                              = 2.08 moles.

The atomic mass of nickel is 58.71 gm and the given mass of nickel is 122 gm. Therefore, 2.08 moles are present in a 122-gram sample of nickel.

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Two individual atoms of the same element are slightly different. One has one more proton than it has electrons. The other has one more electron than it has protons. These atoms are both

ions
isotopes
freons
xenons
phlogistons

Answers

Answer:

ions

Explanation:

Individual atoms of the same element but having slightly different number of protons and electrons are called ions.

Ion is a charged particle.

An atom is made up of three fundamental subatomic particles. Protons are the positively charged particles Electrons are the negatively charged particles Neutrons do not carry any charges.

When the number of protons > electrons the body is positively charged.

When the number of electrons > protons the body is negatively charged.

Charged particles are called ions.

property of an acide ​

Answers

Answer:

hi

Explanation:

acids are corrosive, rective when combined with bases form salt and when combined with metal form h2o

Answer:

page no,165 ma xa. yo question KO ans

What I need help fast!

Answers

The correct answer would be 3

A dish is given to you, which contains a blackish yellow powder. When you move a magnet over it, black particles fly upwards and get stuck to the magnet. All that is left in the dish is a yellow powder, which you discover to be sulfur.

Was your original powder an element, compound, or mixture, and how do you know?


PLEASE ANSWER IF YOU HAVe an ANSWER OR NOt JUST FOR THE POINTS OR ELSE YOU WANT TO BE REPORTED!!!! please and thank you!

Answers

Answer:

It is a Mixture

Explanation:

It's a mixture because it was a substance made from mixing other substances together. And when the magnet went over the powder, the iron  is lifted and not the sulfur. So the different parts of it can be separated by any physical means that allows the parts to seen separated

Answer:

its is a mixture

Explanation: because I did the question

Which of the following is true about waves?
A.
They are always visible.
B.
They always move matter.
C.
They carry energy.
D.
They can only travel though outer space.

Answers

Answer:

c. they carry energy is the answer

Answer:

C. they carry energy

Explanation:

Energy can be carried from one place to another by waves, including water, light, and sound waves. Waves are oscillating disturbances that travel through but do not move matter.

Infrared radiation escaping from hot coals is an example of invisible waves carrying energy. This energy can be felt as heat.

What type of radioactive decay is shown? 82 Br → 82 Kr + te 35 36 Alpha O Beta O Gamma?​

Answers

Answer:

In 1889, Ernest Rutherford recognized and named two modes of radioactive decay, showing the occurrence of both processes in a decaying sample of natural uranium and its daughters. Rutherford named these types of radiation based on their penetrating power: heavier alpha and lighter beta radiation. Gamma rays, a third type of radiation, were discovered by P. Villard in 1900 but weren't recognized as electromagnetic radiation until 1914. Since gamma radiation is only the discharge of a high-energy photon from an over-excited nucleus, it does not change the identity of the atom from which it originates and therefore will not be discussed in depth here.

Because nuclear reactions involve the breaking of very powerful intra nuclear bonds, massive amounts of energy can be released. At such high energy levels, the matter can be converted directly to energy according to Einstein's famous Mass-Energy relationship E = mc2. The sum of mass and energy are conserved in nuclear decay. The free energy of any spontaneous reaction must be negative according to thermodynamics (ΔG < 0), and ΔG is essentially equal to the energy change ΔE of nuclear reactions because ΔE is so massive.

Explanation:

Hope it helps

A chemist is identifying the elements present in a sample of seawater. What characteristic of an element’s atoms always determines the element’s identity?

Answers

The element is sodium, and it is highly reactive. The atoms of a certain element each contain 11 protons and one valance electron.

the relation between stability and solubility​

Answers

Answer:

2

Nobody is able to foresee the solubility of a product. There are some experimental rules, but they all have exceptions, that nobody is able to explain.

Just have a look on the Calcium salts made with the halogens (F, Cl, Br, I). There is a nice analogy among Cl, Br and I, but not F. Look ! The Calcium chloride CaCl2, bromide CaBr2 and iodide CaI2 are all extremely soluble in water. They are all soluble in less than their weight of water. But calcium fluoride CaF2 is among the least soluble product on Earth. The principal mineral for Fluoride is CaF2, and it can be found everywhere at the surface of the Earth. If this mineral would have been at least a little soluble in water, the rains would have washed away this mineral in the geological times. Why is there such a huge difference between calcium fluoride and the other halogenides ? Nobody knows !

Another example. Potassium perchlorate is the only potassium salt which is very weakly soluble in water. By comparison, Sodium perchlorate is extremely soluble in water. Why? Another example: the number of Silver compounds which are soluble in water is limited. In organic solvents, it is even worse. But the Handbook of Chemistry and Physics says that Silver perchlorate is soluble in toluene. Why? Nobody knows.

From time to time there are articles published in journals like the Journal of Chemical Education. The author is proud of displaying a theory filled with new parameters, for explaining the solubility of quite a lot of chemicals. But there are always exceptions, that he regrets not to be able to explain.

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