list 5 factors that can change the flow of water through an ecosystem
Answer:
°Change in the Habitat
°Change in Climate
°Change in the structure of water sources
Increase in Pollution
°Change in temperature
Explanation:
Change in habitat is the change in the local environment conditions in which organisms lives. It may occur naturally or due to human actions. Though, it can affect food supply, migration patterns, stress, breeding cycles and diversity of wildlife population.
the failure of sister chromatids to separate properly during cell division
Answer:
huh? wait..what?
Explanation:
SOMEONE PLEASE ANSWER OMG
Considering that different types of cells have different rates of mitosis,
which of the following would be a correctly finish this statement? Cell
types like skin and hair are damaged and need replaced more often than
liver cells; therefore ......
Liver cells would have MORE cells doing Mitosis and Apoptosis compared to
Skin/Hair cells
Liver cells would have LESS cells doing Mitosis and Apoptosis compared to Skin/Hair
cells
Liver cells would have the SAME amount of cells doing Mitosis and Apoptosis
compared to Skin/Hair cells
Answer:
OMGGGGHHHHVGGGGGGGGG
please help asap I am giving away 75 points
The prothallus of the fern produces spores.
A. True
B. False
Answer:
True giving away
Explanation:
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in pea plants, the green color allele (g) is dominant over yellow color allele (g) for seed color and tall (t) is the dominant allele in plant height. parents heterozygous for both traits are cross-pollinated. determine the frequency for the phenotype of the offspring: (what is the expected probability of getting both dominant traits?) tall plant, green seeds:
When it comes to seed color and plant height, the green color allele (G) is more common in pea plants than the yellow color allele (g). Cross-pollinating occurs when two parents share one or both traits.
Because the recessive allele is only expressed in homozygous conditions, the genotype of the heterozygous yellow-seeded plant will be "Yy" and that of the green-seeded plant will be "yy."
Primary Allele: represented by a capital letter If present, the property always appears in an organism despite the presence of the other allele. A tall plant, for instance, will be TT or Tt.
The genotype of a heterozygous tall plant is Tt. T is primarily the dominant allele and will effectively prevail over the recessive t allele.
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what do scientists assume to be true when calculating the absolute ages of rocks? Is their assumption a valid one?
. The variations that exist in a population of wild giraffes are usually a result of events that occur during
Answer: sexual reproduction
ang, g., smibert, c.a., kaplan, d.r., and miller, f.d. (2014). an eif4e1/4e-t complex determines the genesis of neurons from precursors by translation
:The study done by Ang, G., Smibert, C.A., Kaplan, D.R., and Miller, F.D. (2014) suggests that the genesis of neurons from precursors is determined by translation via an eIF4E1/4E-T complex.
The research examines the role of translation initiation factors in regulating the differentiation of neural progenitor cells into mature neurons. :Translation initiation factors regulate gene expression by controlling the initiation of protein synthesis. The study suggests that eIF4E1/4E-T complex-mediated translational control plays an essential role in regulating the development of neural progenitor cells.
The research conducted found that the translation initiation factor eIF4E1 binds to the 5' cap of messenger RNA (mRNA) and recruits other initiation factors, leading to the initiation of protein synthesis. The study suggests that the eIF4E1/4E-T complex regulates the translation of specific mRNAs that are essential for neuronal differentiation, allowing for the production of the necessary proteins for the development of mature neurons. In conclusion, the study by Ang, G., Smibert, C.A., Kaplan, D.R., and Miller, F.D. (2014) shows that the eIF4E1/4E-T complex plays a critical role in regulating the genesis of neurons from precursors by translation initiation factors.
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Answer:
The article "An eIF4E1/4E-T Complex Determines the Genesis of Neurons from Precursors by Translation" by Ang et al. (2014) explores the role of the eIF4E1/4E-T complex in neuronal development.
Explanation:The study demonstrates that the eIF4E1/4E-T complex regulates the translation of specific mRNAs involved in neuronal differentiation, thereby influencing the generation of neurons from precursor cells. This complex plays a crucial role in coordinating gene expression during neurogenesis.
the research highlights the significance of translational control mechanisms in neuronal development. Understanding the role of the eIF4E1/4E-T complex and its impact on gene expression provides insights into the molecular processes underlying neurogenesis and may contribute to advancements in neuroregenerative therapies. Further investigation into these mechanisms could lead to potential therapeutic targets for neurological disorders.
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________________ occurs when a cell membrane uses energy to engulf material INTO the cell.
Answer:
Endocytosis
Explanation:
the process of capturing a substance or particle from outside the cell by engulfing it with the cell membrane. The membrane folds over the substance and it becomes completely enclosed by the membrane. ... The plasma membrane engulfs the solid material, forming a phagocytic vesicle.
This system gets rid of waste material
Answer: The excretory system gets rid of waste and excess water.
There are major organs tasked with removing toxic substances from your body organs are kidneys, and lungs
Explanation:
Kidneys: ( One pair of organs in the abdomen). The kidneys act as a filter for the strain of urea and excess salts from the blood as it flows through the body to release them in the urine. The urine flows from the kidneys to the bladder through two thin tubes of muscles known as ureters. The bladder's main function is to store urine. Lungs: (one of the pair of organs in the chest that supplies the body with oxygen, and removes carbon dioxide from the body. Lungs bring fresh air (oxygen) into your body. and release carbon dioxide as well as unwanted materials. In respiration, food is broken down into carbon dioxide and water in the presence of oxygen by released oxygen.The five essential elements for a viable habitat include food, water, cover, and what other two elements?.
The other two elements are Space and arrangement!!
The five essential elements for a viable habitat include food, water, cover, and the other two essential elements for a viable habitat are Space and Arrangement of resources.
4. Space: Sufficient space is necessary to support the population of organisms living in the habitat. Different species have different space requirements for their survival, breeding, and other activities. Having enough space ensures that individuals can find the resources they need and reduces competition for limited resources.
5. Arrangement or Arrangement of Resources: The arrangement or structure of the habitat is crucial for the organisms that live there. The spatial distribution of resources, such as food, water, and shelter, affects the accessibility and availability of these resources to different species. The arrangement can also impact predator-prey interactions, nesting sites, and overall ecosystem dynamics.
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6 reasons why Meiosis and mitosis are different (PLEASE HELP)
Answer:
Reasons why they're different :
Explanation:
1. Mitosis is reserved for somatic cells while meiosis is reserved for sex cells (gametes).
2. Mitosis results in identical cells , while meiosis results in genetically distinct cells.
3. Mitosis undergoes one round of cell division while meiosis undergoes two rounds of divison.
4. Mitosis results in diploid daughter cells, while meiosis results in haploid daughter cells.
5. Unlike mitosis, meiosis differs in males and females.
6. Mitosis creates a human cell with 46 chromosomes, while meiosis creates a human cell with 23 chromosomes.
What is the hybridization of the central atom in the xenon tetrafluoride molecule?
The central atom has 6 electron pairs out of which two are lone pair electrons. The hybridization in Xenon is sp3 d2 because there is a migration of two electrons of p to d orbital which results in the formation of a sigma bond with F.
What is meant by hybridization?Whenever two atomic orbitals in a molecule merge to generate a hybrid orbital, the energy of the orbitals of the single atoms is redistributed to give orbitals of equivalent energy. Hybridization is the name of this procedure. In the hybridization process, atomic orbitals with similar energies are mixed together; this often includes the fusion of two s orbitals, two p orbitals, or the mixing of an s orbital with a p orbital or a d orbital.
Hybrid orbitals are the novel orbitals that result from this process. However, hybrid orbitals are also very helpful in describing the geometry of molecules and the characteristics of atomic bonds. Let's immediately examine the example of an atom of carbon. This atom creates four single bonds in which three valence-shell p orbitals and one valence-shell s orbital combine.
The result of this combination is the creation of four comparable sp3 mixes. Around the carbon, which is bound to four distinct atoms, they will be arranged in a tetrahedral pattern.
Therefore, the molecule has sp3 d2 hybridization.
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Question 1 of 14
Question 1
Complete the chemical equation for cellular respiration. Use the chemical formulas (e.g. H₂O)
6
6
+6
+
Answer:
C₆H₁₂O₆ + 6 O₂ --> 6 CO₂ + 6 H₂O
glucose + oxygen --> carbon dioxide + water
PLS HELP ME I NEED THIS IN 1 MINUTE I AM BEING TIMED AND I'M SO CONFUISED PLEASE!!!
When does a solar eclipse occur?
when the moon's umbra covers the sun
when the earth's umbra covers the sun
when the moon's umbra falls on the earth
when the earth passes between the moon and the sun
Answer:
Explanation:
what happens after mitosis has occurred?
1. The cell grows in size again
2. The genetic material replicates
3. The genetic material forms a parent cell
4. The cytoplasm of the cell divides in two
What phase of mitosis is pictured?
Metaphase
Prophase
Telophase
Anaphase
Answer:
Anaphase
Explanation:
the cells are starting to pull apart to form two identical cells
What systems can you think of? List one or two examples of things that you think might be systems
Systems can be found in various domains, such as biology, ecology, society, information, and the physical world. Examples include the nervous system, ecosystems, economic systems, computer networks, and the solar system. Systems consist of interconnected elements working together to fulfill a common purpose.
Systems are structures or sets of interconnected elements that work together to achieve a common purpose. There are various types of systems found in different domains. Here are a few examples:
1. Biological Systems:
- The nervous system: It includes the brain, spinal cord, and nerves, which work together to transmit signals and coordinate bodily functions.
- The cardiovascular system: It consists of the heart, blood vessels, and blood, responsible for circulating oxygen, nutrients, and hormones throughout the body.
2. Ecological Systems:
- Ecosystems: A complex system comprising living organisms (plants, animals, microorganisms) interacting with their physical environment (soil, water, climate) in a specific geographical area.
- Food webs: Systems that depict the interconnectedness of various organisms in an ecosystem through their feeding relationships.
3. Social Systems:
- Economic system: A network of individuals, organizations, and institutions involved in the production, distribution, and consumption of goods and services within a society.
- Political system: Structures and processes through which a society governs itself, including institutions, laws, and decision-making mechanisms.
4. Information Systems:
- Computer networks: Interconnected devices and communication protocols that enable the exchange of data and information between computers.
- Database systems: Organized collections of data and software designed to efficiently store, retrieve, and manage large amounts of information.
5. Physical Systems:
- Solar system: A system consisting of the sun, planets, and other celestial bodies held together by gravitational forces.
- Climate system: The interactions between the atmosphere, hydrosphere, biosphere, and geosphere that influence long-term weather patterns and climate conditions.
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When a cell has completed interphase and is entering cell division, which phase of the cell would it be?
Answer:
bred jute weight egg thy I he Gogh dB rug gw gtvh
apparently separate chronic nonunited fracture or unfused accessory ossicle of the anterior process of the calcaneus with surrounding cystic change and edema
Based on the description provided, the interpretation of the imaging suggests possible outcomes ,Chronic nonunited fracture of the anterior process of the calcaneus, Unfused accessory ossicle of the anterior process of the calcaneus with surrounding cystic change and edema.
Calcaneus refers to a fracture of the anterior process of the calcaneus (heel bone) that has not healed properly over time. The term "chronic" indicates that a significant amount of time has passed since the initial fracture. In this case, the imaging may show a visible fracture line, irregular bone edges, and signs of bone remodeling or resorption around the fracture site.
Also ,the imaging findings may indicate the presence of an unfused accessory ossicle, which is an extra bone structure that does not normally fuse or unite with the rest of the calcaneus. This accessory ossicle may be located in the anterior process of the calcaneus. The imaging may show a separate bone fragment with surrounding cystic changes (fluid-filled areas) and edema (swelling) in the surrounding tissues.
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Place these types of bacteria in order of their susceptibility to chemical disinfection, from least susceptible to most susceptible.
Bacterial endospores.
Acid-fast bacteria.
Gram-negative bacteria.
Gram-positive bacteria.
The susceptibility of bacteria to chemical disinfection varies depending on their cell wall structure and composition. In general, Gram-positive bacteria are more susceptible to chemical disinfection compared to other types of bacteria. This is because Gram-positive bacteria have a relatively thick layer of peptidoglycan in their cell wall, which is more easily disrupted by chemical disinfectants.
Here's the order of susceptibility to chemical disinfection, from least susceptible to most susceptible:
1. Gram-negative bacteria - These bacteria have a thin layer of peptidoglycan and an outer membrane containing lipopolysaccharides, which provide resistance against some disinfectants.
2. Mycobacteria - They have a unique cell wall structure with a high lipid content, making them more resistant to disinfectants than typical Gram-positive and Gram-negative bacteria.
3. Gram-positive bacteria - Their thick layer of peptidoglycan in the cell wall makes them more susceptible to chemical disinfection.
In summary, Gram-positive bacteria are generally the most susceptible to chemical disinfection, followed by mycobacteria and then Gram-negative bacteria. However, it is important to note that the effectiveness of a specific chemical disinfectant may vary depending on the particular bacterial species and disinfectant being used.
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is a process that’s absent in cellular respiration in anaerobic organisms but present in aerobic organisms.
is a process that doesn’t require oxygen.
The Krebs cycle is a process that’s absent in cellular respiration in anaerobic organisms but present in aerobic organisms and doesn’t require a oxygen. Option C is correct.
The Krebs cycle, also known as the citric acid cycle or the tricarboxylic acid cycle, is a series of chemical reactions that occurs in the mitochondria of eukaryotic cells and the cytoplasm of prokaryotic cells. It is an important part of cellular respiration, which is the process by which cells generate energy (in the form of ATP) from glucose or other organic molecules.
The Krebs cycle requires oxygen as it uses oxygen as the final electron acceptor in the electron transport chain (ETC) during cellular respiration. Therefore, it is only present in aerobic organisms that can utilize oxygen for energy production. In anaerobic organisms that do not use oxygen for energy production, the Krebs cycle is absent.
Hence, C. is the correct option.
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--The given question is incomplete, the complete question is
"Is a process that’s absent in cellular respiration in anaerobic organisms but present in aerobic organisms. BLANK (drop down menu) is a process that doesn’t require oxygen. Options: A) The Calvin cycle B) Glycolysis C) The Krebs cycle."--
explain the gaseous exchange in lungs
Answer:
Gas exchange is the delivery of oxygen from the lungs to the bloodstream, and the elimination of carbon dioxide from the bloodstream to the lungs. It occurs in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli.
Hope it helped u if yes mark me BRAINLIEST!
Tysm!
Answer:
breathing allows the exchange between 2 gases: oxygen and carbon dioxide. Gas exchange occurs in millions of lung alveoli and the capillaries that surround them
Explanation:
A. Use a concept map to illustrate the role of
producers, consumers, and decomposers in the
transfer of energy through ecosystems.
Concept Map of role of producers, consumers and decomposers.
Producers
- Photosynthesis
- Capture energy from sunlight
- Provide energy to consumers
Consumers
- Feed on producers
- Transfer energy to decomposers
Decomposers
- Break down dead organisms
- Return energy to producers
What is the difference between a primary consumer and a secondary consumer? A primary consumer is an organism that obtains its energy by directly eating plants. Primary consumers are herbivores and are the first level in a food chain. They are also known as grazing animals, as they graze on grass and other plant life. Examples of primary consumers include rabbits, deer, sheep, and cows.Secondary consumers, on the other hand, are organisms that obtain their energy by eating primary consumers. Secondary consumers are carnivores and are the second level in a food chain. They feed on primary consumers, such as the rabbits, deer, sheep, and cows mentioned above. Examples of secondary consumers include hawks, wolves, snakes, and foxes.The main difference between primary and secondary consumers is that primary consumers obtain their energy directly from plants, while secondary consumers obtain their energy from eating primary consumers. Primary consumers are also known as herbivores, while secondary consumers are known as carnivores. Additionally, primary consumers are the first level in a food chain, while secondary consumers are the second level.To learn more about role of decomposers refer to:
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someone help me with this question.
I need the answers and a simple explanation, please :)
3. The main difference between saturated and unsaturated fatty acids is
(a) the amount of energy found in the fatty acid.
(b) saturated fatty acids are liquids.
(c) unsaturated fatty acids can be packed together very tightly.
(d) the number of hydrogen atoms bonded to the carbon atoms.
4. The function of proteins can include
(a) helping cells keep their shape.
(b) helping to destroy foreign substances.
(c) speeding up biochemical reactions.
(d) all of the above
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5. The characteristics of DNA includes which of the following?
(a) DNA is made of nucleotides consisting of a sugar, a phosphate group, and a carbon base
(b) DNA is made of a single polynucleotide chain, which winds into a double helix.
(c) DNA is how inherited characteristics are passed from one generation to the next.
(d) all of the above
6. Which category of organic compound is the major component of cell membranes?
(a) carbohydrate
(b) lipid
(c) protein
(d) nucleic acid
7. The cell wall of plants is made out of
(a) starch.
(b) glycogen
(c) cellulose
(d) chitin
Answer:
3. (a) the amount of energy found in the fatty acid.
4. (d) all of the above
5. (c) DNA is how inherited characteristics are passed from one generation to the next.
6. (b) lipid
7. (c) cellulose
Explanation:
3. Saturated fats have more energy due to the double bonds that are found in the molecules.
4. Different proteins have various and roles within the cell.
5. Each nucleotide, in turn, is made up of a nitrogenous base (not carbon base), a pentose sugar, and a phosphate. DNA is a double chain.
6. Biological membranes consist of a continuous double layer of lipid molecules in which membrane proteins are embedded.
7. The cell wall is composed of a network of cellulose microfibrils and cross-linking glycans embedded in a highly cross-linked matrix of pectin polysaccharides.
g3p is the product of the calvin cycle and the first reactant in many metabolic reactions in a plant cell leading to the production of which other molecules?
g3p is the product of the Calvin cycle and the first reactant in many metabolic reactions in a plant cell leading to the production of other molecules including 3PG, BPG, and G3P are similar 3-carbon molecules.
In contrast to the five G3Ps that must be recycled to regenerate the RuBP acceptor, one G3P molecule exits the cycle and is used to produce glucose. A complex chain of reactions is involved in regeneration, and ATP is needed. G3P, which is typically regarded as the primary end-product of photosynthesis, can be utilized as an immediate food nutrient, combined with other substances to create monosaccharide sugars, like glucose, which can be transported to other cells or packaged for storage as insoluble polysaccharides, like starch.
The Calvin cycle's end product, G3P, is a source of other molecules that plants require. One of the organic molecules produced by G3P metabolism is glucose phosphate, as you will see. Several plant cell metabolic pathways start with G3P as the first reactant.
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HELP PLEASE
just ignore the chinese word :)
which hormones derived from amino acids are poorly soluble in water, similar to steroid hormones?
Steroid hormones derived from amino acids are poorly soluble in water, similar to steroid hormones.
A class of hormones known as steroid hormones is produced from cholesterol and function in the body as chemical messengers. Numerous physiological functions, including the growth and operation of the reproductive system, are regulated by steroid hormones.
The cyclical chemical compounds known as steroid hormones, which are composed of rings of carbon atoms, are crucial for a variety of physiological processes, including growth, growth, energy metabolism, homeostasis, and reproduction.
A steroid hormonal is a steroid that has hormone-like properties. Sex hormones such as androgens, estrogens, and progesterones, corticosteroids such as glucocorticoids and mineralocorticoids, and anabolic steroids are all examples of steroid hormones.
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Thyroid hormones derived from amino acids are poorly soluble in water, similar to steroid hormones
Thyroid hormones and steroid hormones are generally lipid soluble hormones. They can't dissolve in water. Steroid hormones are produced from cholesterol and function in the body as chemical messengers. They control various physiological functions, including the growth and operation of the reproductive system.
Steroid hormones includes S.e.x hormones such as androgens, estrogens, and progesterone, corticosteroids such as glucocorticoids and mineralocorticoids, and anabolic steroids are all examples of steroid hormones.
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Environmental factors typically activate genes in a cell by causing the cell to --
A.produce identical daughter cells through mitosis
B.form haploid gamete cells through meiosis
C.fuse with another cell to increase the size of its genome
D.transcribe specific DNA segments to mRNA for translation
Environmental factors typically activate genes in a cell by causing the cell to transcribe specific DNA segments to mRNA for translation.
This interaction is an example of environmental factors affecting genetic expression. In these situations, the environment causes specific segments of DNA to be expressed, meaning they are transcribed to mRNA and subsequently used to form proteins.
Meanwhile, other parts of the genome remain or are forced to be silent. This can be a result of mutations or simple biochemical reactions between the environment and the genome.
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Answer:
Transcribe DNA to RNA