Answer:
well,
Explanation:
THE PLANTS;
In the leaf cells, the sugars produced by the plants are used as a source of energy. Some plants have special storage organs where the sugar is converted back to starch to be stored for long periods. The storage maybe roots, stems, fruits or seeds.
Peace.
Genetic disorders can result in chroma tides fail to separate properly during which phase is this problem most likely to our car
Answer:
Anaphase of meiosis II
Explanation:
I think you are asking during which phase of cell division sister chromatids are mostly likely to fail to separate properly, a phenomenon that can lead to genetic disease.
This is sometimes called non-disjunction, and it is most likely to occur in anaphase during meiosis II. During this stage, sister chromatids of the two daughter cells produced by meiosis 1 are separated and brought to opposite parts of the cell. If something goes wrong at this stage, the sister chromatids can fail to separate properly, meaning the daughter cells do not have the correct number of chromosomes (see attachment).
An example of such a genetic disorder is Down syndrome
Will give brainliest.
Students wonder if the size of the moth population affects the growth of the trees in the ecosystem? Which of the following is the best way to test this?
-study other ecosystems
-collect tree growth data
-collect moth data
-collect data on tree height and moth population size
Answer:
-collect data on tree height and moth population size
Explanation:
The answer should be D I believe. While you can study other ecosystems, you are testing this one, and you are finding correlation between the amounts of moths and the growth/heights of the trees, so the answer should be this.
Which muscles act involuntarily? (i)Striated muscle (ii) Smooth muscle (ii)Cardiac muscle (iv) Skeletal muscles (a) I and ii (b)ii and iii (c)iii and iv (d) I and iv
Answer:
ii and iii
Explanation:
All the others are voluntary
E
DNA is composed of repeating structural units
called
T .
is the five-carbon sugar found in
DNA.
Answer:
DNA is composed of repeating structural units called nucleotides.
Deoxyribose is the five-carbon sugar found in DNA.
Explanation:
Each DNA (deoxyribo nucleic acid) molecule has two strands and they are made up of monomers called nucleotides. The nucleotide in DNA contains a phosphate group attached to a five-carbon deoxyribose sugar molecule and one of the four nitrogenous bases: adenine, guanine, cytosine and thymine. DNA has a phosphate-sugar backbone from which the nitrogenous bases project. This backbone is made by the nucleotides that are combined together by covalent bonds between the sugar of one nucleotide and the phosphate of the next. The two strands are held together by hydrogen bonds between the base pairs (adenine bonds only with thymine and cytosine with guanine) to form a double helix structure.
Answer:
1. nucleotides
2. Deoxyribose
Explanation: :)
Which of the following is the term for
the substances which are involved in
order to make the formula of
photosynthesis work?
A. products
B. organelles
C. reactants
D. synthesis
The correct answer to the question is C. reactants.The substances involved in making the formula of photosynthesis work are called reactants. The main reactants for photosynthesis are water and carbon dioxide. Thus, the correct term in the context of the question is reactants.
The substances involved in making the formula of photosynthesis work are called reactants.
During photosynthesis, the main reactants are water (H2O) and carbon dioxide (CO2), which, in the presence of light energy, produce glucose (C6H12O6) and oxygen (O2) as products. The chemical equation for photosynthesis can be summarized as:
6 CO2 + 6 H2O + light energy → C6H12O6 + 6 O2.
Therefore, the correct answer to the question is C. reactants.
Explain why sex-linked traits show up in males more often than females. Draw a punnett square
for the following scenario: Hemophilia is a sex linked recessive trait. Cross a mother who is a
carrier for hemophilia and a father who does not have hemophilia. Explain the chance for a
daughter or a son to have the hemophilia trait?
if a DNA strand is found to be 22.6% cytosine, what percentage of that strand is thymine?
Answer:
27.4% Thymine
Explanation:
Guanine amount is equal to the amount of Cytosine
Adenine amount is equal to amount of Thymine
22.6 + 22.6 = 45.2
100 - 45.2 = 54.8
54.8% of the DNA is made up of Adenine AND Thymine
54.8/2 = 27.4
How many food chains make up the food web?
Answer:
hi the answer is 3
i hope this helps!!
Explanation:
Final answer:
A food web consists of multiple intersecting food chains and represents the flow of energy and matter through an ecosystem. On the other hand, a food chain is a simplified diagram that shows the feeding interactions in an ecosystem through a single pathway. Both food chains and food webs are valuable concepts to describe ecosystems.
Explanation:
A food web consists of multiple intersecting food chains and represents the flow of energy and matter through an ecosystem. It shows the feeding relationships between many organisms, demonstrating that most organisms eat and are eaten by more than one species. A complete food web can include hundreds of different feeding relationships.
On the other hand, a food chain is a simplified diagram that shows the feeding interactions in an ecosystem through a single pathway. It follows the linear model of energy transfer. While food chains are easier to follow and experiment with, food webs provide a more holistic and complex representation of ecosystem dynamics.
Both food chains and food webs are valuable concepts to describe ecosystems, with food chains being more straightforward and food webs offering a more accurate and comprehensive depiction of feeding relationships.
Oil is a fossil fuel that provides power to sustain a modern lifestyle. Which of these statements best describes a benefit of oil drilling.
No air pollution is detective from Oil drill machinery
Less expensive source of energy is available
Radiation may cause health problems
Water and soil may be contaminated
Less expensive source of energy is available.
hope this helped, please mark brainliest :)
Answer:
Less expensive source of energy is available
Explanation:
Oil is considered, alongside water, the main natural resource of the modern era. Although there are government efforts around the world to reduce dependence on this element, it is still the most widely used fuel. In addition to the fact that it is a non-renewable resource, oil has the disadvantage of emitting large quantities of pollutants into the atmosphere during its burning.
However, oil has several advantages, the first being that it represents a more efficient and cheaper form of energy. In addition, its reservoirs are generally easy to locate, extract and process.
Ore is feeling cold, and he is clenching his fists together to stay warmer. He then releases his grip a little bit because he feels that it is too tight. Which two particular sensory receptors are activated through this experience?
Explanation:
The thermoreceptors in Ore’s skin detect low blood temperatures in the skin blood vessels due to the loss of heat from the skin to the cold environment. The receptors send signals to the brain, and the brain sends motor signals to the muscles (including those of the fist) to react to the stimuli. This is why Ore clenches his fists to reduce heat loss.
However, as his clenched fist gets tighter the mechanoreceptors in the skin become depolarised when the signal (the pressure) surpasses the required threshold. This sends a signal to the brain and the brain responds by sending a motor signal to the fist muscle so Ore relaxes the fist a bit and this softens the clenching.
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Answer: The correct answer is B thermoreceptors and mechanoreceptors.
Explanation: EDG2023
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Which statement accurately describes the geologic features?
The diagram shows cross-cutting relationships among rocks.
A. D occurred after B.
B. D occurred before A.
C. A formed after the horizontal layer above was deposited.
D. F formed before the horizontal layer above was deposited.
Answer:
D. F formed before the horizontal layer above was deposited.
Explanation:
The diagram represents a cross cutting relationship is a principle of the geology and states that the geologic features that cuts the other features are a younger type of feature and is given by the nicholas steno. F is a fault that cuts through the A, B, C and E.A stream table is a tool used to show how water causes erosion. Water from the left side of the table is added to model a stream. Suppose a block of wood is placed under the left edge of the table. Which characteristic of the stream is changed? gradient of the stream sediment in the stream velocity of the stream volume of the stream
Answer:
gradient of the stream
A stream table is a tool used to show how water causes erosion. Water from the left side of the table is added to model a stream is gradient of the stream.
What is the use of gradient?The gradient of any line or curve tells us the rate of change of one variable with respect to another.
Thus, gradient of the stream is the correct answer.
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A rabbit eats a carrot. What happens to the matter in the carrot?
A.
The matter is completely consumed by the rabbit.
B.
The matter is completely eliminated by the rabbit as waste.
C.
The matter is converted to energy and carbon molecules.
D.
The matter is converted to energy only.
Answer:
Answer to this question is option C i.e. The matter is converted to energy and carbon molecules.
Explanation:
All the living beings from plants to animals are made up of carbon, and so is carrot, being a part of a plant. When an animal, say rabbit, consume this carrot, they receive the carbon from the carrot in the form of carbohydrates and proteins. This carbon combines with the oxygen in the animal cell to produce energy and also releases residual carbon in the form of carbon dioxide. Hence, after consumption of carrot by the rabbit, the matter in the carrot is converted to energy and carbon molecules.
Answer:
carbon molecules
Explanation:
As you add drops of water to the surface of the penny, each drop sticks to the other
water droplet forming a large drop on top of the penny. This is caused by which
water property?
adhesion
cohesion
O capillary action
Answer:
Cohesion property.
Explanation: Cohesion refers to the attraction of molecules for other molecules of the same kind, and water molecules have strong cohesive forces thanks to their ability to form hydrogen bonds with one another.
Answer:
As you add drops of water to the surface of the penny, each drop sticks to the other water droplet forming a large drop on top of the penny. This is caused by (B) Cohesion.
Explanation:
The pure substance molecule attracts each other. Their sticking process to each other is called cohesion. Their depending property shows whether the substance is cohesive or not. Hydrogen bond easily attracts each other because of this property and due to this, water is very cohesive. In liquid form of water, they easily break and reform it. The cohesive property of water is what we can see in our daily life. We can see it in forms of droplets and streams.
55 Which of the following is an advantage of
sexual reproduction?
A It requires only one parent.
B It can remove harmful traits from a
population.
C It involves cells formed through mitosis.
D It increases the mutation rate.
Answer:
"It increases the mutation rate" is an advantage of sexual reproduction
Explanation:
The basic thing of evolution is fundamental, as it helps in generation of genetic variation on which the selection can act. Sexual reproduction leads to genetic diversity, and this genetic diversity leads to increase the mutation rate. Genetic diversity occurs because of two various cells which are combining together and biological assortment which happens at the time of cell division. Neutral genetic diversity in the population leads to high mutation rate.
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Question 24 of 25
2 Points
Which human activity has the most negative effect on the stability of a river
environment?
O
A. Driving a car near the river
O
B. Boats leaking oil into the river
O
c. Sailboats being stored in the river
O
D. People picnicking along the bank of the river
Provide a detailed explanation of the water cycle and how plants are involved with this process.
Answer:
transpiration
Explanation:
Plants absorb water on their stems and leaves and that water leaves when they release oxygen in the process of photosynthesis. The water is evaporated then begins to form into a cloud following the rest of the water cycle and the process starts again.
Why are pesticides used?
Answer:
Pesticides are used to kill insects,for proper cultivation etc
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Which of the following is NOT an aquatic biome?
Answer:
Grassland
Explanation:
"Aquatic" means "relating to water"
Grasslands do receive rainfall, but not enough for it to be an aquatic biome.
From the given options, the one which is not an aquatic biome is: (2) grassland.
Grasslands are terrestrial biomes characterized by vast areas of grasses and few trees, with varying levels of rainfall and seasonal changes. These ecosystems are found on every continent except Antarctica and can vary in climate, vegetation, and animal life depending on their location.
An aquatic biome, also known as an aquatic ecosystem, refers to any environment that is predominantly water-based, encompassing both freshwater and marine habitats. These biomes can range from small bodies of water like ponds to vast oceans and include various types of aquatic ecosystems, such as lakes, rivers, estuaries, coral reefs, and the open ocean.
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The given question is incomplete, the complete question is:
Which of the following is NOT an aquatic biome?
freshwatergrasslandmarinenone of the aboveWill give brainliest plz help
Answer:
The greatest reaction for this enzyme will be in tubes 4 and 5
Explanation:
Enzymes found in a particular environment tend to work best in the conditions of that environment. For example, enzymes from human cells usually work at an optimum temperature of 37C, our body temperature.
In this example, the bacterium is found in conditions of 50-80C. Therefore, we assume the bacteria will work best at these conditions. In the experimental set up, the tubes that correspond to these temperatures are 4 and 5.
A cell that is undergoing mitosis is examined with a light microscope. An observation that would allow for identification of the cell as an animal cell rather than a plant cell would be
Question 10 options:
the centrioles migrating.
the chromosome pairs separating from each other.
the chromosomes twisting about each other.
the nucleoli disappearing.
An observation that would allow for identification of the cell as an animal cell rather than a plant cell would be the nucleoli disappearing.
Explanation:
Mitosis is first phase where parent cell is divided into two identical daughter cells. It is the primary organism where organism generates new cells through cell division. It is a duplication of its parent cell. Here parent cell passes genetic material to its daughter cell. It is the first stage of cell division.
The main purpose is replacing a worn out new cell. In mitosis, chromosome becomes highly compact. It can be seen through microscope in both plant and animal cell
The major distinguishing factor when viewing a cell under a microscope that is undergoing mitosis would be the presence of migrating centrioles, which are only found in animal cells. Centrioles play a crucial role in the organization of mitotic spindle fibers, necessary for chromosome separation. Plant cells don't have centrioles but utilize a different mechanism for spindle fiber formation during mitosis.
Explanation:In this scenario, the major distinguishing factor would be the centrioles migrating. Centrioles are a structure you would only find in animal cells. They play a key role in cell division, or mitosis, by migrating to opposite ends of the cell non to form the poles of the mitotic spindle, which is essential for separating the chromosomes between the two daughter cells. However, plant cells do no possess centrioles. They instead use a different process to organize their spindle fibers to form during mitosis. Other aspects, including the separating of chromosome pairs, the twisting of chromosomes, or the disappearance of nucleoli, could be observed in both kinds of cells during mitosis.
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_____ all the biotic and abiotic factors in a
particular area
Answer:
An ecosystem is made of all biotic and abiotic components in a particular area.
Explanation:
In any ecosystem two components perform together. These are biotic component and abiotic component.
Abiotic component- These are the non living component of ecosystem. All the environmental conditions minerals are the part of abiotic component.
TemperaturepHsunlightwater contentsoilAir MineralsAll are abiotic component of an ecosystem.
Biotic component- All living organisms, plant etc. are biotic component of ecosystem. These can be understand by following points.
Producers- Producers/autotrophs are the first member of any food chain. They make their own food using sunlight. They perform photosynthesis and convert light energy into chemical energy in the presence of sunlight. Example, green plants and photosynthetic blue green bacteria and algae.Consumers- Consumers are the second member in food chain. For their nutrition they depend on producers. They are - primary, secondary and tertiary consumers.Decomposers- Decomposers are organisms decompose dead and decaying matter and obtain energy from it.Which is a disaccharide?
glucose
fructose
sucrose
cellulose
Answer:
Its C: Sucrose
Explanation:
A disaccharide is a polymer made of two monomer units linked and bonded together. A sucrose molecule is an example of a disaccharide carbohydrate. Thus, option C is correct.
What are disaccharides?Disaccharides are the carbohydrates that constitute of two sugar or monomeric units linked by a glycosidic linkage. They are simple sugars that can get dissolved in water.
Sucrose is a simple and most abundant sugar that comprises one glucose and one fructose molecule. The monomeric units are linked by ether bonds between the reducing ends of both sugars.
Glucose and fructose are monosaccharides that comprise only one sugar molecule, whereas cellulose is a polysaccharide that is insoluble sugar with various monomeric units.
Therefore, option C. sucrose is a disaccharide.
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Suppose a global disaster causes a genetic mutation that causes all animals to stop respiring. How would plants be affected by this mutation?
why mammal embroys and dinosaur embroys have placodes
They came to the conclusion that birds, mammals, and reptiles all inherited placodes from the very same antiquity reptilian ancestor.
What is an ancestor?An ancestor is a parent or (recursively) the parent of an antecedent, also known as a forefather, fore-elder, or forebear.
An ancestor is anyone from whom one descends. In law, the person who has inherited an estate.
According to a new study, the ancestor of all placental mammals, the diverse lineage that includes almost all species of mammals living today, including humans, was a tiny, furry-tailed creature that evolved shortly after the dinosaurs died.
Modern humans evolved from their most likely common ancestor, Homo erectus, which means "upright man," in Africa within the last 200,000 years.
Birds, mammals, and reptiles all inherited placodes from the same ancient reptilian ancestor, according to both mammals and dianosaurs.
Thus, mammal embryos and dinosaur embryos have placodes.
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In the Watson-Crick model of a double helix, the "steps" of the "spiral staircase" are composed of:
A- sugars
B- nitrogen bases
C- phosphates
Answer:
Explanation:
DNA’s famous double helix is often depicted as a spiral staircase, with two long strands twisted around each other and steps composed of four chemical building blocks called bases. Each of these bases contain rings of carbon, along with various configurations of nitrogen, oxygen, and hydrogen. The arrangement of these atoms allow G to pair with C and A to pair with T, like interlocking gears in an elegant machine.
Answer:
The answer is C
Explanation:
Which characteristics are used to describe air? Select three options.
altitude
density
mass
pressure
radiation
Answer:
Density, Pressure and Mass are used to describe air.
Answer:
Density, Pressure and Mass.
Explanation:
Air is a fundamental element, being formed by a combination of gases, water vapor and suspended particles, it can be described using the terms density, pressure and mass. It is therefore a vital substance for the maintenance of life on earth, alongside water and soil.
In addition, air is essential for climate, rain distribution and seed dispersion which favor agricultural production. On the other hand, it favors the development of various diseases by viruses, bacteria and microorganisms, which are carried by drafts.
The main elements that make up air are essentially nitrogen (78%) and oxygen (21%) and in small amounts argon (0.94%), carbon dioxide (0.03%), neon (0.0015%). Although it has weight and takes up space in the atmosphere, note that air is a collection of substances that has no color, smell, taste and that we cannot see or touch.
Cells go through a repeating cycle of events in growth regions such as plant root tips and animal embryos.
What part of the human body has the same role as the power source in a computer?
Answer:
Heart
Explanation:
WIthout Heart, you will die. But you can breathe volunatrily without a brain.
Answer:
The heart
Explanation:
Name the stages of alternation of generations. Specify whether the stage is diploid or haploid
Answer:
The alteration of generation is also called metagenesis. Haploid and diploid both stages are multicellular. Here both may be dominant to various types of degree but in different species. Meiosis and fertilization separate the organism's development into two. The two stages are different genetically. This cycle happens in plant and some different types of algae. About all animal have diploid-dominant cycle in which gametes are only haploid. Most fungi and some protists have haploid dominant cycle. In this cycle, the body of the organism become mature.