The stroma is the colorless fluid that surrounds the grana within the chloroplast.
The stroma contains the enzymes of light-independent reactions. Thus it is the ground matrix of the chloroplast.
Answer:
stoma
Explanation:
Define energy efficiency in your own words
Energy efficiency is the objective to make the amount of energy you need to supply products and services smaller.
What does a burning candle have in common with a cell preforming respiration? Select all that apply.
A.Both release energy
B.Both use carbon doixide
C.Both use oxygen
D.Both release oxygen
Final answer:
Both a burning candle and a cell performing respiration release energy and use oxygen, but they do not both use or release carbon dioxide. A burning candle actually produces carbon dioxide as a byproduct, and while cells utilize carbon dioxide during photosynthesis, they do not use it during respiration.
Explanation:
The question asks about the commonalities between a burning candle and a cell performing respiration. First, let's identify the options:
Both release energy
Both use carbon dioxide
Both use oxygen
Both release oxygen
The correct answer choices are:
A. Both release energy: In a burning candle, the chemical reaction involves the combustion of wax (which contains carbohydrates similar to glucose) with oxygen to produce carbon dioxide and water, along with energy in the form of light and heat. In cellular respiration, cells use oxygen to convert glucose into carbon dioxide and water, while energy is stored in molecules of ATP.
C. Both use oxygen: Oxygen is necessary for both processes; it is consumed within the combustion process in a candle, and cells use oxygen in the mitochondrial oxidative phosphorylation to extract energy from glucose.
Both B and D are incorrect:
B. Both use carbon dioxide: Cells utilize carbon dioxide during photosynthesis, not respiration. In the case of a burning candle, carbon dioxide is the product, not a reactant.
D. Both release oxygen: Neither a burning candle nor cellular respiration releases oxygen; they both consume it.
Which type of precipitation is most likely to form during a thunderstorm?
sleet
hail
snow freezing
rain
Answer:
Hail
Explanation:
Hail is most commonly formed within the cumulonimbus clouds of thunderstorms. Large updrafts of air can throw rain droplets high up into the tops of the cloud.
Answer:
B: hail
Edge 2022
Sandra wants to modify the diagram to include chlorophyll. Which would be the most useful strategy? A. Add representations of chlorophyll molecules inside the stroma. B. Add representations of chlorophyll molecules on the outer membrane. C. Group two or more grana together, and label them as chlorophyll. D. Add an enlarged illustration of a thylakoid, and represent chlorophyll molecules in the thylakoid membrane.
Answer: The correct answer is -
D. Add an enlarged illustration of a thylakoid, and represent chlorophyll molecules in the thylakoid membrane.
Chlorophyll is a green colored pigment, which is located inside the thylakoid membrane (the internal membrane present in the form of vesicles) of the chloroplast (membrane bound specialised organelle that is the site of photosynthesis).
Chlorophyll traps the energy from sunlight and convert it into chemical energy in the form of ATP and NADPH, which is finally used in the formation of carbohydrate (glucose, which is food for the photosynthetic plants).
Thus, option D) would be the most useful strategy that could be adopted by Sandra, to modify the diagram in order to include chlorophyll.
The most useful strategy would be to add an enlarged illustration of a thylakoid and represent chlorophyll molecules in the thylakoid membrane.
Explanation:The most useful strategy to include chlorophyll in the diagram would be to add an enlarged illustration of a thylakoid and represent chlorophyll molecules in the thylakoid membrane. Chlorophyll is responsible for capturing light energy during photosynthesis, and it is located in the thylakoid membrane of the chloroplasts. By adding an illustration of the thylakoid and representing chlorophyll in the membrane, Sandra can accurately depict the role and location of chlorophyll in the diagram.
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A biologist wishes to take a useful gene found in pine trees and introduce it into some bacterial cells. Her experimental procedure is given below.
1. Use a restriction enzyme to cut a gene out of pine tree DNA.
2.Use a restriction enzyme to cut open a plasmid.
3.Treat the plasmid with DNA polymerase.
4.Introduce the plasmid into bacterial cells.
Which step shows an error in the biologist's procedure?
Answer:
3.Treat the plasmid with DNA polymerase.
Explanation:
DNA polymerase will not be useful in this step of the experiment.
In the third step of the experiment shown in the question above, it would be correct to use the enzyme called ligase, so that the plasmid was linked to the pine gene.
DNA polymerase cannot make this binding since the function of this enzyme is to allow DNA replication. As the polymerase was used in the third step of the experiment, the scientist will not succeed when trying to introduce the plasmid into bacterial cells, since this plasmid does not have the pine gene.
what happens in photosynthesis 2
Excited electrons are transferred to an electron transport chain.
PLEASE HELP ASAP::: Which of these organelles synthesizes lipids and carbohydrates? A.rough endoplasmic reticulum. B. Golgi apparatus. C. Smooth endoplasmic reticulum. D. Lysosomes.
C. Smooth Endoplasmic Reticulum.
The smooth endoplasmic reticululm is responsible for the synthesizing of lipids and carbohydrates because it contains Enzymes that are required to synthesize. It can be confused with the rough endoplasmic reticulum which synthesizes proteins, not carbohydrates or lipids, but the smooth endoplasmic reticulum does NOT have ribosomes attached to it, where as, the rough endoplasmic reticulum does.
Lipids are a biochemical molecule that is insoluble in water while they can get dissolved in ether, alcohol.They are part of certain hormones, energy-storing molecules and also act as messengers.
Carbohydrates are compounds made up of carbon, hydrogen and oxygen atoms. They are the macro nutrients present in foods and beverages.
The correct option is:
Option C. Smooth endoplasmic reticulum.
The smooth endoplasmic reticulum is a cell organelle that is involved in the synthesis of steroids, carbs, and lipids.It also performs the metabolism of substances like toxins or drugs which are derived externally.Therefore, the smooth endoplasmic reticulum is a site of the synthesis of lipids and carbohydrates.
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there can be different variations of a trait known as __________
the offspring of crosses between parents with different traits?. Such as, the process by which peas are allowed to self-pollinate and produce offspring identical to themselves. A specific characteristic that varies from one individual organism to another. The offspring of crosses between parents with different traits. The chemical factors that are passed from one generation to the next.
What biomes receive less then 100 Cm of rain each year? Check all that apply
1: tropical rain forest
2: template rain forest
3: desert
4: tundra
5: grassland
Answer:- Option 3 (desert), Option 4 (tundra) and Option 5 (grassland).
Explanation:-
The amount of rainfall varies in different biomes:-
1. Tropical rain forests - The annual rainfall in these forests falls in the range of 125 to 660 cm which varies according to the seasons.
2. Temperate rain forest - The annual rainfall in these forests can range from 200 cm to 350 cm depending on the region where they are found. The annual rainfall is higher in warmer regions .
3. Desert - As the name suggests, the desert areas do not get enough rainfall. The annual rainfall in a desert is less than 25 cm.
4. Tundra - It is a biome which is found in relatively cooler climates and the amount of rainfall is very less these regions. The annual rainfall in tundra biomes is less than 20 cm.
5. Grassland - in these biomes, the rainfall is higher than the tundra and desert but is not as high as the rain forests and thus, grass is the dominant vegetation. The annual rainfall ranges from 60-90 cm.
what is pangea and what is a himalaya mountain
Pangea is a continent belived to have been on Earth before it contains all continents together until it was belive to have seperated due to tectonic plate shift
Himalaya Mountains is a mountain range in Asia it is the place that contains the highest mountain Mount Everest.
how does light intensity affect the rate of photosynthesis
Hi
Photosynthesis is the process through which green plants make their own food. There are many factors that can affect the process of photosynthesis both positively or negatively. Some of these factors are light intensity, concentration of carbon di oxide, temperature and can be water sometimes.
How light intensity affects photosynthesis:
As we have studied from childhood that process of photosynthesis occurs in the presence of light, so if the intensity of light will increase obviously the rate of photosynthesis will speed up and become fast.Similarly, if the light intensity will be low it will badly affect the rate of photosynthesis and plants will suffer from growth and development related problems due to lack of sufficient food.Now what happens if the intensity of light is very high, ofcourse it will increase photosynthesis but not always. Why? Because along with light plant also needs CO2 and water for the process of photosynthesis to occur. If light is available in sufficient amount but CO2 or water is not available in sufficient amount then it can become a hindering factor and it is not sure that photosynthesis will increase.Other than that, extremely high intensity of light can also negatively effect photosynthesis and cause some problems like bleaching of chlorophyll where plants are unable to prepare food in a well manner.There is another interesting fact about light, that its wavelength also effects the photosynthesis differently. In attached image you can see how photosynthetic pigments chlorophyll a and b absorb light differently during photosynthesis.Hope it helps!
How to draw a model of an atom with protons, neutrons, and electrons?
Can someone explain what an enzyme is?
Explain in your own words what theme is, in relation to poetry. Your answer should be 1-2 sentences.
please help will give brainliest!
In poetry, theme is a statement or a lesson learned about life.
Answer:
In contemporary literary studies, a theme is a central topic, subject, or message within a narrative. Themes can be divided into two categories: a work's thematic concept is what readers "think the work is about" and its thematic statement being "what the work says about the subject".
A cross of blue x blue (both heterozygous) would result in
75% Blue
25% Other
If both are Heterozygous, that would mean that they're both Bb.
That would mean that it'll be Bb, Bb.
B b
B║ BB ║ Bb ║
b║ Bb ║ bb ║
A heterozygous blue x blue cross typically results in a 1:2:1 ratio of homozygous dominant blue, heterozygous blue, and homozygous recessive red flowers. However, the numbers provided in the question don't follow this exact ratio.
Explanation:A cross of two heterozygous blue flowers is a matter of Mendelian genetics. This type of cross can be represented as Bb x Bb, where B represents the dominant blue allele and b represents the recessive allele (which we'll assume results in a red flower color if it's homozygous). The expected ratio from such a cross using a Punnett square is 1 BB: 2 Bb: 1 bb. This means in a large population of offspring, roughly 25% would be homozygous dominant (BB) blue flowers, 50% would be heterozygous (Bb) blue flowers, and 25% would be homozygous recessive (bb) red flowers. However, the numbers provided in the question seems to suggest 300 homozygous dominant blue flowers, 300 heterozygous blue flowers, and 200 homozygous recessive red flowers, which does not follow this traditional 1:2:1 ratio, so additional factors may be influencing these results.
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If DNA has the sequences of bases TCAAGT, the mRNA formed during transcription would have the sequence of
A. UCAAGU
B. AGTACA
C. AGUUCA
Answer:
The correct answer is option C. "AGUUCA".
Explanation:
When mRNA is synthesized from a DNA sequence, the RNA polymerase catalyses the addition of nucleotides in the process known as transcription. During the synthesis the RNA polymerase adds the complementary sequence of the DNA template, with the only difference that molecules of uracil are added instead of the molecules of adenosine. Given that adenosine binds to thymine, and cytosine binds to guanosine, the mRNA formed from the DNA sequence "TCAAGT" will be "AGUUCA".
Which system in a multicellular organism functions most like the cytoplasm in a singlecelled organism?
The system in a multicellular organism functions most like the cytoplasm in a single celled organism is skeletal system.
What is eukaryotic cell?The eukaryotic cell is known as the fully developed and it contain membrane bound organelle. The multicellular organism are made up of the eukaryotic cell and they contain cell organelle it contain mitochondria, ribosomes, RNA, DNA, golgi appratus, and nucleus as well as other cell organelles.
Multicellular organisms are made up of eukaryotic cell and the eukaryotic cell is consist of different cell organelles to carry out different functions in the cell. The multicellular organisms perform different life process in different cells because they have specific cell for specific function.
Amoeba has known as an unicellular organism in which all the activities related to life carried out in a single cell. The example of multicellular organism is human beings and other animals as well plants are also came in the category of multicellular.
Therefore, The system in a multicellular organism functions most like the cytoplasm in a single celled organism is skeletal system.
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Final answer:
The organ system in a multicellular organism functions most like the cytoplasm in a single-celled organism.
Explanation:
The organ system in a multicellular organism functions most like the cytoplasm in a single-celled organism.
Organ systems consist of functionally related organs that work together to carry out specific functions in the body. Similarly, the cytoplasm in a single-celled organism contains various organelles that work together to keep the cell healthy and performing its functions.
For example, in multicellular organisms, the circulatory system transports nutrients and removes waste, similar to how the cytoplasm in a single-celled organism facilitates the movement of molecules and cellular components.
In eukaryotic cells, zones carry genetic information are found in the
The genetic info is found in the nucleus.
Burning fossil fuels affects which biogeochemical cycle?
most of the carbon quickly enters the atmosphere as carbon dioxide gas.
so is it (carbon dioxide gas)
have a nice day
Nitrogen cycle and carbon cycle are the bio- geochemical cycles that is most affected by burning fossil fuels.
Why burning fossil fuels affect bio-geochemical cycles?The carbon cycle is greatly impacted by human activity. Significant amounts of carbon are released into the atmosphere as a result of the burning of fossil fuels, changing land use, and the production of concrete with limestone.
The natural equilibrium of nitrogen in the ecosystem can be upset by nitrogen sources from human activities like agriculture, industry, transportation, and the production of electric power. When fossil fuels are burned, nitrogen oxides are released into the atmosphere and help to create smog and acid rain.
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1. Which figure could represent ONLY meiotic cell division?
2. In which figure will the daughter cells that result from each cell division show only half the number of chromosomes of the parent cell?
for 1 i think it D or A and for 2 probadly b
True or False: carbon emissions lead to global warming by trapping the suns heat in the atmosphere
True, the corbon dioxide produce by cars, fires, and even animals and people breathing, create a greenhouse effect where the heat that the sun produces cannot escape as well as it used to, so out planet is heating up, ice caps are slowly meting, water from the caps and everywhere else is evaporating more quickly, creating worse storms, and eventualy resulting in a new ice age.
HURRYYY!!!
Which is an advantage of using space observatories for space exploration?
It allows scientists to avoid the effects of light pollution
Answer:
The correct answer is that it allows scientists to avoid the effects of light pollution.
Explanation:
There are many causes why space observation is anticipated in order to prevent the issues, which the terrestrial observatories exhibit. An illustration of this is that the space observatory does not have to face the involvement of city lights, thus preventing light pollution.
In supplementation, the thermal turbulence found in the atmosphere also does not affect the image of a telescope. The terrestrial observation exhibiting the shape of a sphere functions as a lens, which distorts the images. Thus, the resolution of the terrestrial images exhibits a substantial diminution.
Cell organelles can be seen with a light microscope true or false
yes, cell organelles can be seen with a microscope
My answer is True
Brainliest for the other person please.
the first reaction of the body to a cut is to restore the continuity of the
Final answer:
After a skin injury, the body's first response is to form a blood clot. The next response is the scabbing of the clot which reduces the risk of infection, followed by the inflammatory response and tissue repair involving fibroblasts and angiogenesis.
Explanation:
When the body experiences a skin injury, it triggers a wound-healing response. The first reaction of the body to a cut is to restore the continuity of the skin by the formation of a blood clot. This clot helps to stop bleeding and serves as a protective barrier. The second response in the healing process is the formation of a scab over the clot as it dries, which also helps reduce the risk of infection. Following this, inflammatory cells clear the area of debris, and fibroblasts begin to lay down a new extracellular matrix to strengthen the wound.
The repair phase includes the removal of toxins and waste products and initiates the growth of new blood vessels in a process called angiogenesis. This leads to the formulation of granulation tissue, which fills the wound and helps pull the edges together. The clot will subsequently retract and dissolve as the tissue repairs itself, potentially leaving a pale scar. For deeper or more extensive wounds, the process of primary or secondary union is required, and in some cases, sutures may be necessary to facilitate healing and minimize scarring. Lastly, regeneration occurs where new cells of the same type replace the damaged ones.
What is photosynthesis..?
The process in which a plant goes through multiple stages to create food.
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❥Photosynthesis: Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.
In corn, smooth kernels (K) are dominant to wrinkled kernels (k).
A farmer crosses two corn plants that are heterozygous for kernel texture.
What are the odds that the offspring will have smooth kernels?
Heterozygous means 2 different zygotes. Since Smooth kernels are dominant, Zygotes KK and Kk will be smooth and kk will be wrinkled.
If you were to set up a Punnett Square chart like:
K k
K (KK) (Kk)
k (Kk) (kk)
the ratio for smooth to winkle would be 3 : 1
Which Will be 75% Smooth and 25% Wrinkle
The odds that the offspring will have smooth kernels is ¾ or 75%.
According to this question, a gene coding for kernel texture is involved. The smooth kernels (K) are dominant to wrinkled kernels (k).
If two corn plants that are heterozygous for kernel texture are crossed i.e. Kk × Kk, the following offsprings will be produced:
KK - smoothKk - smoothKk - smoothkk - wrinkledTherefore, the odd or probability that the offspring will have smooth kernels is ¾ or 75%.
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Can someone help!!! Please
Mitochondria! That is why it is called the powerhouse of the cell!
Which is not a deciduous tree
Answer:
cedar tree
Explanation:
Which of the following is necessary for plants to produce food? A. wind B. animals C. the Sun D. other plants
Other plants Plants make food in their leaves. The leaves contain a pigment called chlorophyll, which colors the leaves green. Chlorophyll can make food the plant can use from carbon dioxide, water, nutrients, and energy from sunlight. This process is called photosynthesis.
Explain how changes in the DNA sequences will impact the expression of genes.
Ans.
DNA acts as genetic material in all living organisms that store and transmit genetic information from one to next generation. DNA sequence carries instructions for the expression of genes to make proteins, responsible for different phenotypic characters of individuals.
The DNA, first synthesizes mRNA molecule that carry information for the protein synthesis, in the form of codons and code for a specific polypeptide chain or protein.
The sequence present in DNA determines the amino acid sequence in protein encoded by the DNA. Change in DNA sequence affects gene expression as it leads to change in mRNA sequence, and thus, change in sequence of amino acid of the resulting protein.