Someone please help me I’ll give you a Brainly is please help me please help me I need help so much
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Answer:
ok want u need hlep u need some hlep
Explanation:
Related Questions
Phloem is made up of living cells. Phloem takes sugars in the _____ to the roots.
O leaves
O seeds
O flowers
O stem
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Phloem takes sugars in the leaves to the roots.
What is Phloem ?In vascular plants the specialized tissue known as phloem is in charge of moving sugars and amino acids produced during photosynthesis from the leaves and other photosynthetic organs to other sections of the plant.
Therefore, Sugar in the leaves is transported to the roots by phloem. In plants, the phloem is a specialized tissue that transfers nutrients from the leaves where they are produced during photosynthesis, such as sugars, amino acids and other nutrients.
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How is genetic variation beneficial to a population ?
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How are a good chain and a good web different
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Answer:
Explanation:
A food chain only follows one path of what food animals eat. A food web consists of many food chains that show how plants and animals are connected. In conclusions, a food chain focuses on a certain animal or their path and they are linear. Food webs are more complex which show how the ecosystem works together to create a balance.
Answer:
A food chain goes in one drection and a food web is more complex and is a whole system of connected food chains.
Explanation:
Why do scientists believe that life first emerged from the ocean and onto land well after the ancestors of modern-day cyanobacteria populated the Earth?
The cyanobacteria produced radiant energy from the nitrogen and carbon it absorbed from the shallow sea floor. Organisms needed this light energy to see on land.
These bacteria used visible light energy to create chemical energy, expelling oxygen that was converted to ozone. The ozone blocked the Sun's harmful UV radiation from reaching the ground.
The ancient cyanobacteria converted the Sun's radiant energy to heat, warming the ocean waters. They eventually drove many organisms from the oceans and onto land.
These bacteria provided a much needed chemical energy source for organisms living at the shoreline. Without this food source, the first land-dwelling organisms would not have survived.
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Answer:
These bacteria used visible light energy to create chemical energy, expelling oxygen that was converted to ozone. The ozone blocked the Sun's harmful UV radiation from reaching the ground
The islands of Barbuda and Antigua are located in the Eastern Caribbean Sea. Their latitude is approximately 17 degrees North of the equator. The pictures show the two islands on August 21st and September 8th of 2017. What most likely caused the change in the two islands between these two dates?
A: Erosion due to an earthquake
B; Weathering due to tsunami
C: Erosion due to a hurricane
D: Deposition due to flooding
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Answer: did you ever find the answer Bc I really need it
Explanation:please answer
Two islands between these two dates are Weathering due to tsunami and Erosion due to a hurricane.
What are Islands?
A portion of land that is isolated and surrounded by a very different habitat, such as water, is called an island (or isle). Islets, skerries, cays, or keys are terms used to describe very small islands, such as emergent land features on atolls.
An eyot or ait is the name for an island in a river or lake, and a holm is the name for a tiny island off the shore. Chars are sedimentary islets in the Ganges delta.
There is a generally accepted geological distinction between islands and continents. Australia, which rests on its own continental lithosphere and tectonic plate, qualifies as a continent because it is frequently regarded as having the greatest landmass of any given continental plate (the Australian Plate).
Therefore, Two islands between these two dates are Weathering due to tsunami and Erosion due to a hurricane.
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What does epithelial tissue do? a. fills internal spaces, provides structural support, stores energy b. contracts to produce movement, includes skeletal muscle, cardiac muscle, and smooth muscle c. covers exposed surfaces, lines internal passageways and chambers, forms secretory glands d. conducts electrical impulses, carries information
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The things that epithelial tissues do are covers exposed surfaces, lines internal passageways and chambers, forms secretory glands (Option C).
Epithelial tissue is a type of tissue that is composed of one or more layers of cells that cover the body surfaces or line the cavities of the body. The cells in epithelial tissue are closely packed and form continuous sheets that can vary in thickness from a single layer of cells to many layers of cells.
The functions of epithelial tissue are:
It covers exposed surfaces and protects the body from physical and chemical damage.It lines internal passageways and chambers and protects the body from invading microorganisms.It forms secretory glands that secrete mucus, sweat, enzymes, and hormones.Hence, the correct answer is Option C.
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Identify inputs and outputs (photosynthesis)
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Co2 and water in the presence of sunlight and chlorophyll. While the output of photosynthesis are glucose and oxygen.
What do we call a group of cells that have similar structure and function.
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Answer: tissue
Explanation:
Answer:
TISSUE Tissue is a group of cells that have similar structure and that function together as a unit.ANSWER THIS QUESTION PROPERLY AND THOROUGHLY AND GET BRAINLIEST
Refer to Figure 1.17. Suppose that a lake is located beside an abandoned manufacturing plant. Someone discovers that the plant is leaking chemicals into the lake. The chemicals are absorbed by phytoplankton, which are consumed by zooplankton. Which size of fish would you expect to have higher levels of chemicals in their tissues: smaller fish that eat zooplankton or larger fish that eat the smaller fish? Explain your answer.
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The larger fish that eat zooplankton would be expected to have higher levels of chemicals in their tissues. Bioaccumulation refers to the gradual accumulation of toxic substances in an organism's tissues at a greater rate than the excretion or metabolic transformation of the substance.
Bioaccumulation is more common in the bodies of larger animals because of their higher positions in the food chain. When smaller fish consume phytoplankton, which have consumed toxins, the concentration of toxins in the fish is lower than it is in the phytoplankton. Larger fish that consume smaller fish will accumulate all of the contaminants that the smaller fish accumulated over time. As a result, smaller fish have lower toxin concentrations than larger fish.
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currently, the most widely used potent teratogen is __________.
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Answer:
isotretinoin
Explanation:
Currently, the most widely used potent teratogen is isotretinoin.
Currently, the most widely used potent teratogen is prescribed to treat severe acne.
What is Teratogen?A teratogen is defined as any type of agent that causes an abnormality following fetal exposure during pregnancy that is usually discovered following an increased prevalence of a particular birth defect. For instance, in the early 1960s, a drug called thalidomide was used to treat morning sickness while potent teratogen is prescribed to treat severe acne.
Teratogens are classified into four types which are as follows:
Physical agentsMetabolic conditionsInfectionDrugs and chemicalsA teratogen can be a prescribed drug, a street drug, alcohol use, or a disease present in the mother which can increase the chance of a baby being born with a birth defect.
Thus, the most widely used potent teratogen is prescribed to treat severe acne.
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Your question is incomplete, most probably the complete question is:
Currently, the most widely used potent teratogen is prescribed to ________
1. Which of the following are carcinogens (risk factors that are known to cause cancer)? a. harmful chemicals
b. genetic factors
c. excessive exposure to UV rays
d. all of the above
e. none of the above
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Answer:
d. all of the above
Explanation:
_____ acts on proteins to produce peptides which are later broken down into _____ in the small intestine
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Why are a broad perspective and an interdisciplinary approach required for understanding the brain?
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The brain is a complex organ responsible for various cognitive functions, and understanding it requires a broad perspective and an interdisciplinary approach.
Here's why:
1. Complexity: The brain is a highly intricate organ with billions of neurons interconnected in a complex network. To comprehend its workings, it is essential to consider multiple perspectives from various disciplines.
2. Neuroscience: The study of the brain involves disciplines such as biology, psychology, chemistry, physics, and computer science. Each discipline brings unique insights into different aspects of brain function, such as the molecular mechanisms, neural pathways, behavior, and computational models.
3. Complementary perspectives: Different disciplines provide different lenses through which we can understand the brain. For example, biology helps us understand the physical structure of the brain, chemistry explores the chemical signaling between neurons, and psychology delves into the cognitive processes and behavior.
4. Holistic understanding: An interdisciplinary approach allows us to integrate diverse perspectives to form a more comprehensive understanding of the brain. By combining knowledge from various fields, we can bridge gaps and gain a deeper insight into the brain's complexity.
5. Advancements in technology: Interdisciplinary collaboration has facilitated advancements in brain research. For instance, the development of neuroimaging techniques like fMRI and EEG, which require expertise from physics, computer science, and neuroscience, have revolutionized our ability to study brain activity.
6. Real-world applications: Understanding the brain is crucial for fields such as medicine, psychology, education, and artificial intelligence. An interdisciplinary approach helps in developing effective treatments for brain disorders, optimizing learning strategies, and designing intelligent systems that mimic brain functions.
In conclusion, the broad perspective and interdisciplinary approach are essential for understanding the brain due to its complexity, the complementary insights from different disciplines, the holistic understanding they provide, the technological advancements they enable, and the practical applications in various fields. By integrating knowledge from multiple disciplines, we can gain a more comprehensive understanding of the brain and its functions.
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Need help with this science question
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B is the gene for brown hair and b is the gene for red hair. In the Punnett square below, the gene that belongs to the empty box is bb.
According to the Punnett square, offsprings from these two parents have a 50% chance of inheriting one B allele and one b allele. For the B gene, the Individuals that inherit these two alleles are heterozygous.
Inheriting Bb confers the phenotype is brown hair. Whereas, inheriting bb confers the phenotype is red hair.
For predicting the possible allele combination and their frequencies for a particular cross the Punnett square is used.
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humus in soil comes from eroded rock true or false
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1 Understanding Risk a. What does this tell you about the burden of risk? b. What impact does this burden place on you and your family in your everyday life? c. is the doctor wrong to do this, or is it a necessary precaution? d. Is there some way to change this situation?
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a. Understanding risk tells us about the burden of risk. It tells us that there is always a risk involved in every activity, whether it is our day-to-day life or our professional life.
We cannot avoid it completely, and we need to take necessary precautions to avoid the potential risks and make our lives safer. It's our responsibility to manage risk in a better way so that we can live a healthy and happy life.
b. The burden of risk can impact our family's life in many ways, as it creates stress, anxiety, and fear. It's essential to manage the risks effectively and take necessary precautions to minimize the impact of risk on our lives. In our everyday life, we can take simple steps like wearing a seatbelt, following traffic rules, taking proper care of our health, and following safety guidelines to avoid potential risks.
c. The doctor is not wrong to take necessary precautions as it's their responsibility to ensure that their patients are healthy and safe. It's a necessary precaution that every doctor should take to protect their patients from any potential harm.
d. Yes, there is a way to change this situation. We can take necessary precautions, manage risk better, and follow the safety guidelines to minimize the impact of risk on our lives. We can educate ourselves and our families about the potential risks and how to avoid them. We can also seek professional help and advice from doctors, risk management experts, and other professionals to manage risk effectively.
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how will increasing CO2 affect ocean pH? 2 examples with reasoning/evidence
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The average pH of the ocean is now approximately 8.1, which is basic, but as more \(CO_{2}\) is absorbed, the pH drops and the ocean water becoming more acidic.
By combining with water to generate carbonic acid (\(H_{2} CO_{3}\)), that can separate into the hydrogen ion (H+) and the hydrogen carbonate ion, carbon dioxide (\(CO_{2}\)) affects the pH of blood (\(HCO_{3}\)-). Therefore, more H+ ions as well as a lower pH are produced when the blood's carbon dioxide concentration rises. In seawater, most of the carbon dioxide dissolves as bicarbonate and hydrogen ions. The pH is decreased as a result of this rise in hydrogen ions. Moreover, part of the hydrogen reacts with the carbonate to produce additional bicarbonate, lowering the carbonate level in the ocean.
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High-yielding crops were plants specifically bred to respond to fertilizers; without fertilizers, they could not grow. For example, high-yield wheat varieties produced more grain per acre than traditional wheat plants. The seeds of high-yielding crops were larger, able to photosynthesize more efficiently, and able to grow even in places with limited sunlight. In addition, high-yielding crops meant that large varieties of crops were no longer necessary. Prior to the green revolution, thousands of varieties of a particular crop were being grown. Pesticides were used to prevent disease and pests that may harm high-yielding crops. What is the benefit of high-yield crops? a. Crops are larger and able to produce more grain per acre. b. They increase the variety of crops needed to be produced. c. They do not require the use of fertilizer. d. They reduce the plant’s need to photosynthesize.
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The benefit of high-yield crops is that they are larger and able to produce more grain per acre. So the correct option is a.
High-yield crops were developed to help increase food production and combat world hunger. These crops are able to produce more grain per acre than traditional crops, which means that farmers can grow more food on the same amount of land. This is especially important in areas with limited agricultural space or where there is a high demand for food. High-yield crops also have larger seeds and are able to photosynthesize more efficiently, allowing them to grow faster and produce more food. While they do require the use of fertilizers and pesticides to maintain their yields, the increased food production they provide is seen as a major benefit to agriculture and food security.
High-yielding crops have many benefits, the primary one being their ability to produce more grain per acre than traditional crops. This is important because it allows for a greater yield of food and can help address issues of food scarcity and hunger. Additionally, high-yield crops can help farmers reduce their costs by using less land and less water, while still producing a large crop. These crops are also often more resistant to disease and pests, which reduces the need for pesticides and other harmful chemicals. While high-yielding crops do require fertilizers, they can still be more environmentally friendly than traditional crops because they use fewer resources to produce the same amount of food. In summary, the benefits of high-yield crops include increased food production, reduced costs, improved resistance to pests and disease, and potentially lower environmental impact.
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i want to paraphrase this part
Likewise, dengue transmission is on rise due to unusual global warming, as various vectors like mosquitoes, previously rare
in this part of the world, are breeding faster. Consequently, the geographical distribution of vector-borne infectious diseases is likely to proliferate with an incremental increase in the duration and intensity of heat and humidity globally. Humanity is now standing at a crossroads. We must now decide which path we want to take. How do we want the future living conditions for all living species to be like?" remarked Greta Thunberg.
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Greta Thunberg's remark serves as a reminder that humanity must make a crucial choice regarding the future living conditions for all species. The escalating transmission of diseases like dengue due to global warming demands immediate action. We have the power to shape a sustainable future and prioritize the well-being of all living beings. It is our responsibility to act decisively, mitigating the effects of climate change and safeguarding the planet for generations to come. Together, we can create a path that fosters a harmonious coexistence for all species.
Similarly, the incidence of dengue transmission has been escalating due to the alarming effects of global warming. Unusual changes in temperature have led to the proliferation of various disease-carrying vectors, such as mosquitoes, that were previously uncommon in this region. This, in turn, has raised concerns about the geographic spread of vector-borne infectious diseases, which are expected to expand as global heat and humidity levels rise.
At this critical juncture, humanity faces a pivotal choice. Greta Thunberg, a prominent environmental activist, highlights the urgency of the situation and calls upon us to consider the consequences of our actions. The future living conditions for all species hang in the balance, and our decisions today will profoundly impact life on Earth. We have the power to shape a future that prioritizes sustainability and the well-being of all living beings, or one that perpetuates the harm caused by climate change. It is our responsibility to act decisively, implementing measures to mitigate global warming and safeguard the planet for generations to come. Together, we can forge a path towards a sustainable and harmonious coexistence for all living species.
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Why are there not large, visible colonies of bacteria like those in the petri dish on the things we use every day?
(please don't write anything randomly or else I will report your account for nonsense)
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Answer: most likely because there is constant air flow around us most of the time. It also depends on what materials are around us and the moisture level. For example, most bacteria cannot grow on metals, especially copper because of the way it’s composed.
Explanation:
Read each example and decide what the resulting effect on the gene pool of that population would be.
Answers
Answer: could you show us what the example is so we could help you?
Explanation: so we can help you
Answer:
1. Bring new alleles from other populations
2. Favor certain alleles
3. Creates new alleles from DNA
4. Randomly selects alleles
Explanation: next time screenshot the page so it's easier to help you out bra
QUICK, IF ANYONE CAN ANSWER CORRECTLY AND TRUTHFULLY I WILL GIVE 100 POINTS!
Q. My dad's fields aren't producing as many crops as they used to. Mark all the ones below that he could do to help the soybeans and alfalfa (to make hay) grow better.
A.Add more Nitrogen in the air around the plants.
B.Add more Nitrogen as a part of fertilizer.
C.Add nitrogen-fixing bacteria.
D.Add more rocks to the land.
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Answer:
B, and C.
Explanation:
What kind of leaf(Monocot or Dicot) would a peanut produce? explain
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Explanation:
The monocot seed has one seed leaf while the dicot has two seed leaves. For example a peanut is a dicot while rice and corn are monocots. The roots of dicots show secondary growth which the roots of the monocots do not.
Humans are members of the taxonomic order of primates. What scientific reasoning is used to place humans in this classification grouping?
please help me quick!!!
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Cladistics refines classic taxonomy by linking organisms, based on the presence or absence of unique characteristics, into “grades.” For example, if three species share a suite of characteristics but only two of them have a particular trait that is not present in more distantly related species, those two are more closely related and would be depicted as a separate grade.
how might genetic variation arise?
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Answer:
Genetic variations can arise from gene mutations or from genetic recombination (a normal process in which genetic material is rearranged as a cell is getting ready to divide). These variations often alter gene activity or protein function, which can introduce different traits in an organism.
Explanation:
your welcome
the cuticle is made of a waxy material. suggest an advantage to a plant of this feature
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Answer:
The waxy cuticle stores the moisturizer of leaves by preventing the loss of water.
Explanation:
Answer:
A primary function of the leaf's waxy cuticle is to reduce water loss through the leaves, which is particularly important in arid deserts with little rainfall or Mediterranean climates with seasonal rainfall
what is a nucleotide
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Answer:
A nucleotide is one of the structural components, or building blocks, of DNA and RNA. A nucleotide consists of a base (one of four chemicals: adenine, thymine, guanine, and cytosine) plus a molecule of sugar and one of phosphoric acid.
mutations can arise from errors in dna replication. occur at the same rate for all bases. are always caused by mutagens. are always deleterious. are of no importance to evolution.
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Mutations can arise from errors in DNA replication, but they are not always caused by mutagens, and they are not always deleterious. Mutations can occur at different rates for different bases, and they are of great importance to evolution. Therefore, none are correct.
Errors in DNA replication can lead to mutations when mistakes are made during the copying of DNA, leading to changes in the sequence of nucleotides in the new strand. Mutations can also be caused by exposure to mutagens, such as chemicals, radiation, or viruses, which can damage DNA and increase the likelihood of errors during replication.
The rate of mutation can vary for different bases, with some bases being more prone to mutation than others. For example, cytosine is more likely to undergo a type of mutation called deamination, in which it is converted to uracil, than other bases.
While some mutations can be deleterious, meaning that they harm the organism's fitness, others can be neutral or even beneficial, providing the organism with a selective advantage in certain environments. Mutations are the source of genetic variation upon which natural selection acts, driving evolution over time.
Therefore, mutations are of great importance to evolution and play a critical role in the generation of genetic diversity within populations.
Hence all the options are incorrect.
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A zygote (the cell formed when an egg and a sperm cell initially fuse) is:
A) multipotent
B) pluripotent
C) totipotent
D) omnipotent
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Answer: https://rb.gy/rb1nlh copy that into search browser
Explanation:
Please read this queation and help me to underrestand very well.
Please don't send me other expert's explanations.
in the case of double strand breaks, describe process repair for
this damage?
Answers
In the case of double-strand breaks, the process of repair for this damage is called Homologous Recombination (HR).
HR is a mechanism of DNA repair by which two DNA molecules exchange information, producing new recombinant DNA molecules that are not present in either the original or parental molecule. Homologous recombination repairs double-stranded DNA breaks, allowing the broken strand to rejoin the intact, homologous region of another chromosome or the sister chromatid. Homologous recombination involves the use of a template from a homologous chromosome to repair a breakage in the DNA.
It includes the resection of 5′ ends, strand invasion, and heteroduplex DNA formation, DNA synthesis, and resolution. The recombinational repair of DSBs can also bring about genome rearrangements, such as translocations, deletions, and inversions, in addition to restoration of the original structure. So, Homologous recombination plays a key role in maintaining genome stability by repairing double-stranded DNA breaks.
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