Ancient prokaryotes may have entered primitive eukaryotic cells, remained there, and evolved into organelles. InferIs it likely that nonphotosynthetic prokaryotes could have evolved into chloroplasts? Explain your answer.
Answers
Answer:
yes that is the serial endosymbiosis theory
they have similar inner membrane structure and function
they make their own DNA
cell division is similar
their ribosomes are more similar to prokaryotes than eukaryotes
Explanation:
Related Questions
Which of the following are uses for the Earth's natural resources? *
Transportation
Food and drink
Homes and buildings
All of the above
Answers
Answer:
food and drink
Explanation:
i think
PLEASE HELP ASAPPPP
The question for this is: Four substances are involved in both photosynthesis and cellular respiration. They are sugars, water, oxygen, and carbon dioxide. Energy is also transformed from one type to another. Describe what happens to these four substances, light energy, and chemical energy during photosynthesis. Then write a simple equation for the substances and another for energy, using words and arrows to illustrate these changes.
My friends answer is:
Photosynthesis is the process by which plants use light energy to convert water and carbon dioxide into sugars and oxygen. During photosynthesis, light energy is absorbed by the plant and converted into chemical energy. The water and carbon dioxide are broken down into their component parts, and the oxygen is released into the atmosphere. The sugars are stored in the plant for later use. The equation for photosynthesis can be represented as light energy + water + carbon dioxide → sugars + oxygen. The equation for energy transformation can be represented as light energy → chemical energy.
D u m b it down to make it look like an 8th grader wrote it pls and thank u
Answers
Plants employ the process of photosynthesis to transform water and carbon dioxide into carbohydrates and oxygen.
Light energy is absorbed by the plant during photosynthesis and transformed into chemical energy. The oxygen is released into the environment, while the water and carbon dioxide are disintegrated into their component elements.
In the plant, the sugars are kept for future use. It is possible to write the photosynthesis equation as follows:
Light energy + water + carbon dioxide → sugars + oxygen.
Light energy → chemical energy can be used to describe the energy transformation equation.
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Use the Weather probe to measure the land-air and ocean-air temperatures. What are these temperatures at this time?
Answers
Answer:
Use the Weather probeto measure the land-air and ocean-air temperatures. What are these temperatures at this time? 29.1 degrees and 22.2 degrees, respectively. C.
Explanation:
By using the Weather probe to measure the land-air and ocean-air temperatures. It is found that the temperature of land air is found be 29.1°C and the temperature of ocean air is found to be 22.2°C.
What is a weather probe?A weather probe may be defined as an observation post where weather conditions and meteorological data are considerably observed and recorded under controlled conditions. While weather governs the state of the air and atmosphere at a particular time and place.
According to the context of this question, a weather probe determines a facility, either on land or sea, with instruments and equipment for measuring atmospheric conditions to provide information for weather forecasts and to study the weather and climate.
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I need help with question 25 at the top.
Answers
Answer:
c
Explanation:
Gas is our largest issue, therefore that would be the most reliable answer.
what is the upper layer of earth's mantle where convection occur's??????
HELLLPPPP!!!!
Answers
can a steam cell taken from a baby, and giving the cell all that needs, can make clone
Answers
Answer:
i think so
Explanation:
Clones contain identical sets of genetic material in the nucleus—the compartment that contains the chromosomes—of every cell in their bodies. Thus, cells from two clones have the same DNA and the same genes in their nuclei.
I need to know the independent variable
Answers
Answer:
the chirping?
Explanation:
Sri lanka and australia have about the same population. What data would help you determine which country has a higher physiological population density?.
Answers
The amount of arable land in each country would help in determining which country has a higher physiological population density.
In the field of social science, physiological population density can be described as the number of people that live per unit area of arable land.
Arable land can be described as a kind of land that is used for the cultivation of crops.
Higher physiological population density would mean that a particular arable area is being used more because it is sustaining the lives of more people.
Between Sri Lanka and Australia, the country using higher arable land will have higher physiological population density.
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If a red fur male is crossed with a brown fur female, what percent of the offspring would have the genotype
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Answer:
If the brown male had been BB, then all offspring would have been Bb and all brown. However, if the male is Bb as above and you perform a testcross, 50% of all offspring should have the bb genotype and a white phenotype. A testcross to a heterozygous individual should always yield about a 1:1 ratio of the dominant to recessive phenotype. So, both the genotypic and phenotypic ratios
Explanation:
Maltose is a disaccharide consisting of glucose monomers. What is the balanced chemical reaction that expresses the biosynthesis of maltose?.
Answers
Maltose is a disaccharide that comprises two glucose monomers. The balanced chemical reaction that describes the biosynthesis of maltose involves the use of two glucose molecules.
The formula for glucose is C6H12O6. The chemical equation for the biosynthesis of maltose can be expressed as: Glucose + Glucose → Maltose + H2OThe biosynthesis of maltose occurs when two glucose molecules combine. In this process, the water molecule is released as a by-product, and maltose is formed. In this balanced chemical reaction, two moles of glucose react to form one mole of maltose and one mole of water.
The biosynthesis of maltose is an essential process that takes place in the human body. It occurs when the enzymes responsible for the breakdown of carbohydrates into glucose catalyze the reaction between two glucose molecules. The maltose produced in the process is used as an energy source by the body.
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james hutton group of answer choices extensively studied fossils. created the first scientific classification of plants and animals. provided geologic evidence necessary for calculating the time span of evolution. revealed that fossils would provide the history of past life.
Answers
James Hutton was the one who: (3) provided geologic evidence necessary for calculating the time span of evolution.
James Hutton was a Scottish geologist. He is believed to be the founder of modern geology. He is known for various works like the theory of uniformitarianism (origin of Earth and atmospheric changes) which helped in calculating the time span of evolution. He also proposed the theory of the age of the Earth.
Evolution is the slow and gradual change observed in any living organism. The evolution generally happens due to the environmental factors that may cause genetic changes as well. The evolution happens so that the organisms more fit can carry forward their populations.
Therefore the correct answer is option 3.
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Put all bronchi in order from largest to smallest in diameter (including
bronchioles):
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Bronchi, bronchioles, terminal bronchioles, respiratory bronchioles, and alveoli are the structures in size order. The correct option to this question is B.
Respiratory systemTo get to the alveoli, where oxygen takes part in gas exchange with the blood, air travels via these airways in this order during inhalation. When we exhale, air and carbon dioxide travel through these airways in the opposite direction to be expelled from the body.Air enters and exits the body through the respiratory system. Our body requires a steady flow of oxygen and the removal of carbon dioxide, hence this function is crucial. The primary airways, known as bronchi, in your lungs branch off to form progressively smaller passages. Alveoli are tiny air sacs that are connected to the smallest airways, known as bronchioles.For more information on respiratory system kindly visit to
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Complete question :: Place the following structure in order from largest to smallest:
A. Bronchi, terminal bronchioles, respiratory bronchioles, bronchioles, alveoli
B. Bronchi, bronchioles, terminal bronchioles, respiratory bronchioles, alveoli
C. Bronchi, bronchioles, terminal bronchioles, alveoli, respiratory bronchioles
D. Bronchioles, bronchi, terminal bronchioles, respiratory bronchioles, alveoli
A population of beetles is currently 60 beetles at n=0. The beetle population has an intrinsic growth rate of 150% each generation. The environment can sustain a maximum population of 130 beetles. Find the population of the next three generations, 'y_1' ' 'y_2' and 'y_3' of beetles
Answers
The population of beetles in the next three generations, considering the carrying capacity, is y1 = 130 beetles, y2 = 130 beetles, and y3 = 130 beetles.
The population of beetles can be calculated using the formula: y = y0 * (1 + r)^n, where y is the population at a given generation, y0 is the initial population, r is the intrinsic growth rate (expressed as a decimal), and n is the number of generations.
Given that the initial population (y0) is 60 beetles and the intrinsic growth rate (r) is 150% (or 1.5), we can calculate the population for the next three generations.
For the first generation (y1), we substitute y0 = 60, r = 1.5, and n = 1 into the formula: y1 = 60 * (1 + 1.5)^1 = 60 * 2.5 = 150 beetles.
For the second generation (y2), we substitute y0 = 60, r = 1.5, and n = 2 into the formula: y2 = 60 * (1 + 1.5)^2 = 60 * 6.25 = 375 beetles.
For the third generation (y3), we substitute y0 = 60, r = 1.5, and n = 3 into the formula: y3 = 60 * (1 + 1.5)^3 = 60 * 15.625 = 937.5 beetles.
However, since the environment can only sustain a maximum population of 130 beetles, we need to consider the carrying capacity.
To find the population at each generation while considering the carrying capacity, we compare the calculated population with the carrying capacity and use the smaller value as the population.
For y1, the population is 150 beetles, which exceeds the carrying capacity of 130 beetles. Therefore, y1 = 130 beetles.
For y2, the calculated population is 375 beetles, which is also above the carrying capacity. Thus, y2 = 130 beetles.
For y3, the calculated population is 937.5 beetles, which is still above the carrying capacity. Therefore, y3 = 130 beetles.
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Which of the following accurately describes the relationship between bond length, electronegativity, and potential energy in chemical bonds? Select only ONE answer choice.
Group of answer choices
The greater the electronegativity difference between two bonded atoms, the longer the bond length, the greater the potential energy in chemical bonds
The greater the electronegativity difference between two bonded atoms, the shorter the bond length, the greater the potential energy in chemical bonds
The greater the electronegativity difference between two bonded atoms, the shorter the bond length, the lower the potential energy in chemical bonds
The lower the electronegativity difference between two bonded atoms, the lower the bond length, the lower the potential energy in chemical bonds
None of the above
Answers
The relationship between bond length, electronegativity, and potential energy in chemical bonds: The greater the electronegativity difference between the two bonded atoms, the shorter the bond length, and the greater the potential energy in a chemical bond
Basically, the higher the electronegativity of an atom, the more likely it is to attract pairs of electrons toward itself to form bonds. If the electronegativity difference increases, the bond length will decrease.
High energy is required to break bonds with shorter bond lengths. So, bonds with short lengths have high potential energy.
So, the correct answer is the second option.
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The
the value of the coefficient of friction, the greater the
resistance to sliding.
Answers
Which trait is found in early embryos of both birds and humans, but then disappears from each during development?
A. soft shell
B. scales
C. tail
D. gill slits
Answers
Answer:
D
Explanation:
plz answer my question
Select the correct location on the image.
This diagram shows the functions of different enzymes during DNA replication. Which label would change if this process took place in aprokaryotic cell?
Answers
Answer:
DNA ligase
Explanation:
Answer: The nucleus
Explanation: I got it right on the test.
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One of the main functions of the semi-permeable cell membrane is to maintain homeostasis for the cell. Semi-permeable means that only some molecules are allowed to cross the membrane and others are not.
What molecule enables large molecules to cross the membrane?
Answers
Answer:
Due to the semi-permeability of cell membrane, the molecules that allow large molecules to cross the membrane are proteins, specifically membrane integral proteins.
Explanation:
Membrane integral proteins are protein molecules that are part of the cell membrane, pass through it and cannot be separated from it. These molecules allow the passage of polar molecules and large molecules.
The channels and transporters are structures formed by integral proteins, which facilitate the passive and active transport of macromolecules, respectively.
The cell membrane is a lipid bilayer whose hydrophobic nature allows the passage of some substances and prevents the passage of others, which can pass through the membrane by using channels and protein transporters.
Black fur (B) is dominant and white fur (b) is recessive in mice. What are the possible offspring of two black mice (Father = Bb and Mother = Bb) bred together? Think of Mendel's F2 generation.
Answers
Answer:
BB, Bb, Bb, bb
Explanation:
by performing a punnet square you will see that these are the possible outcomes. if you need me to go into more detail I will try my best to list the genetic makeup below:
BB: 25%
Bb: 50%
bb: 25%
White: 25%
Black: 75%
he journey of a protein starts in the
Answers
Answer:
what journey do u mean lol
In which organism can cell walls be found?
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Answer:
Cell walls are structures that surround and protect the cells of some organisms. According to the web page context, cell walls can be found in:
PlantsFungiBacteriaSome protistsCell walls are not found in animals or most protists.
What is the difference between physical and mechanical weathering.
(explain in 1-6 sentences)
Answers
Answer:
Physical, or mechanical, weathering happens when rock is broken through the force of another substance on the rock such as ice, running water, wind, rapid heating/cooling, or plant growth. Chemical weathering occurs when reactions between rock and another substance dissolve the rock, causing parts of it to fall away. Hope this answer helps
Answer:
Physical, or mechanical, weathering happens when a rock is broken through the force of another substance on the rock such as ice, running water, wind, rapid heating/cooling, or plant growth.
Explanation:
Many plants can reproduce both sexually and asexually. For example, rose bushes reproduce asexually when cuttings planted in the ground grow roots and become a new rose bush. They can also reproduce sexually when their flowers are pollinated. What is the primary advantage of sexual reproduction in roses?
A. Roses reproduce more quickly when reproducing sexually.
B. Roses can produce more offspring in sexual reproduction.
C. Roses produced through sexual reproduction have more genetic variation.
D. Roses can reproduce sexually without the use of gametes.
Answers
An unknown sample of metal had a mass of 240. 0 grams. It displaced 30. 0 mL of water when placed into a graduated cylinder. What is the density of the metal?
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The density of the metal will be 8 g/ml when an unknown sample of metal had a mass of 240 gm and is displaced 30 ml of water when placed into graduated cylinder.
What is density and how the density of the metal comes out to be 8 g/ml of unknown sample?Density is the quantity representing the mass of the product per unit volume of the container containing liquid.The units of density varies depending upon the units of mass and volume of the liquid contained.Here by using the simple density = mass/ volume formula we can calculate the density.Given, mass = 240 gm , volume = 30 ml , density = 240/ 30 = 8 g/ ml is the density.Hence the density of the metal is 8 gm/ml of an unknown sample of the metal of mass 240 gm and displaced 30 ml of water into graduated cylinder.To know more about density visit:
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18) The following are true characteristics of prokaryotic cells except A. Complex in cellular structure B. Are unicellular and extremely microscopic C. May occur singly, in pairs, chain and clusters. D. Members are from kingdom eubacteria and arcahaebacteria
Answers
A. Complex in cellular structure
Isabella saw a chart that showed changes in the population over the past 500 years. She was surprised that the growth dramatically increased in the last 300 years.
She knew that populations cannot continue to grow forever.
Describe the meaning of overpopulation, and explain three consequences it brings.
Answers
Overpopulation is the concept where an increased species population exceeds the carrying capacity of the environment. A consequence of this will be extinction of other species. In Australia's south-west, feral cats have been predating on endemic animal species like numbats, dibblers and other marsupials. Many of these are critically endangered and close to extinction. Another consequence will be insecurity within the population. This is more relevant to humans as we still need to find a way to feed the world and give them a high quality of life without destroying the world. A third consequence will be biodiversity decrease. It is interconnected with extinction as other predators will need to predate on something else and decrease diversity of prey.
6. which of the following does not have an endosymbiotic origin? a. ribosome b. mitochondria c. chloroplast d. nuclear envelope e. all of the above have endosymbiotic origins
Answers
The correct answer is d. nuclear envelope. The nuclear envelope does not have an endosymbiotic origin.
The nuclear envelope does not have an endosymbiotic origin. It is formed from the invagination of the cell membrane during the process of nuclear formation, which is distinct from endosymbiosis. On the other hand, the other options (a. ribosome, b. mitochondria, c. chloroplast) do have an endosymbiotic origin. Mitochondria and chloroplasts are believed to have originated from ancient endosymbiotic events where free-living bacteria were engulfed by ancestral eukaryotic cells, eventually leading to a symbiotic relationship. Ribosomes, while not organelles, have an endosymbiotic origin as well, as they are thought to have evolved from ancient free-living bacteria that were engulfed by early cells.In conclusion, while the ribosome, mitochondria, and chloroplast have endosymbiotic origins, the nuclear envelope does not.
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What occur during photosynthesis? A. Chemical energy is converted into light energy. B. Glucose is broken down to release energy. C. Light energy is converted into chemical energy. D. Carbon dioxide and energy are released into the atmosphere
Answers
Answer:
d. carbon dioxide and energy are released innto the athosphere
Explanation: hope that helps
need an answer now
asap
Answers
Answer:
all of these words relate to human impacts on the environment
If light color is a recessive trait and the trees stay dark forever, could the light colored moths eventually become extinct? Why or why not?
Answers
Answer:
The light moths could become extinct eventually
Explanation:
If trees stay dark forever the light moths are easier to prey upon and eventually negative selection pressure will decrease the population of light moths until it is virtually nonexistent.
For a real life case of this, look into pepper moths and the Industrial Revolution.
If the light-colored trait is truly recessive, the moths may still carry the gene and could reappear in future generations.
What is a recessive trait?A recessive trait is a genetic characteristic that is only expressed when an individual inherits two copies of the recessive gene, one from each parent. In other words, a recessive trait is only observable when the dominant version of the gene is absent.
For example, if a person inherits a dominant brown-eye gene from one parent and a recessive blue-eye gene from the other parent, they will have brown eyes, as brown is the dominant trait. However, if both parents pass on the recessive blue-eye gene, the individual will have blue eyes, as there is no dominant gene present to override the recessive gene.
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