Answer: yea it does
Explanation:
conjugation (prokaryotes) Conjugation is the process by which one bacterium transfers genetic material to another through direct contact. During conjugation, one bacterium serves as the donor of the genetic material, and the other serves as the recipient.
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Which specialized structure do nocturnal primates use to see better at night?
a tapetum lucidum
a grooming claw
a fused jaw
a tooth comb
Answer:
a. tapetum lucidum
Explanation:
This is a reflective layer behind their eyes that allow them to see much more than diurnal primates
Answer:
Tapetum Lucidum
Explanation:
took the quiz
List which cell has the listed characteristics
1 Extensions
2 Matrix
3 No nucleus
4 Striated
5 Used in the immune system.
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All of an organism's characteristics are phenotypic features that evolved (changed) over millions of years. An example of this is the modern-day horse's foot.
What does evolution mean?The word evolution makes reference to descendence with modification which is generally due to the process of natural selection and involves the differential reproduction and survival of the fittest more adapted organism for a given environment, and this process leads to the generation of new phenotypic traits.
Therefore, with this data, we can see that evolution can also be defined as descendence with modification in an organism.
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A bacterium called Salmonella can cause
food poisoning.which kingdom is it in?
Answer:
monera kingdom
Explanation:
Answer:
The kingdom is Monera Kingdom
Explanation:
42. the primary motor cortex is arranged such that neurons near one another send signals to areas of muscles that are close to each other. this arrangement illustrates the:
The notion of topographic organisation is illustrated by the primary motor cortex's configuration, which allows neurons that are close to one another to communicate with adjacent regions of the muscle tissue.
What is primary motor cortex?At the primary motor cortex, motor representation is neatly structured (inverted) along a fold in the cortex known as the central sulcus, running from the toe (at the top of the cerebral hemisphere) to mouth (at the bottom).
Particular cortical regions may, however, govern some body parts in a somewhat overlapping manner. Before the start of a movement, primary motor cortex neurons fire 5 to 100 ms in advance. These neurons are therefore engaged in relaying motor orders to the alpha motor neurons, which in turn cause the proper muscles to contract, rather than firing as a result of muscular activation.
Therefore, The notion of topographic organisation is illustrated by the primary motor cortex's configuration, which allows neurons that are close to one another to communicate with adjacent regions of the muscle tissue.
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what agent is needed for the reaction SO2-SO3
Answer:
In this step, the conversion of sulphur dioxide to sulphur trioxide is done by mixing SO2 with atmospheric oxygen to oxidise it to form SO3 in the presence of V2O5 as a catalyst.
Answer:
The answer is a catalyst, specifically vanadium(V) oxide, V2O5.
Explanation:
A catalyst is needed for the reaction SO2-SO3. A catalyst is a substance that speeds up a chemical reaction without being consumed by the reaction. The most common catalyst used for the SO2-SO3 reaction is vanadium(V) oxide, V2O5.
The reaction SO2-SO3 is a reversible reaction. This means that the products of the reaction can react back to form the reactants. The catalyst helps to shift the equilibrium of the reaction towards the products.
The reaction SO2-SO3 is an important industrial reaction. It is used to produce sulfuric acid, which is a major industrial chemical.
The slides in the experiment are all set to different heights. This is the ………………….. variable.
When females go through meiosis to create gametes it is very different than males. Explain what happens
during oogenesis, be sure to include polar bodies in your explanation.
Oogenesis results in the production of one functional egg and several polar bodies that are eventually discarded, ensuring the preservation of cytoplasmic resources in the egg for successful fertilization and early embryonic development.
During oogenesis, the process of producing female gametes or eggs, the primary difference compared to males is the uneven division of cytoplasm. In humans, oogenesis begins during fetal development and continues throughout a woman's reproductive life.
In the ovary, oogonia (diploid cells) undergo mitosis to increase their number. One of the resulting cells becomes the primary oocyte, which enters meiosis I but pauses in prophase I until puberty. Each month after puberty, one primary oocyte resumes meiosis I and divides asymmetrically. The division produces a secondary oocyte and a small polar body, which contains a minimal amount of cytoplasm. The secondary oocyte then enters meiosis II but pauses again in metaphase II.
If fertilization occurs, the secondary oocyte completes meiosis II, yielding a mature egg (ovum) and another polar body. The mature egg contains the bulk of the cytoplasm and organelles necessary for embryonic development. The polar bodies, though non-functional, ensure that the cytoplasm is concentrated in the egg and help preserve the genetic material.
Overall, oogenesis results in the production of one functional egg and several polar bodies that are eventually discarded, ensuring the preservation of cytoplasmic resources in the egg for successful fertilization and early embryonic development.
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What problem does this model of DNA solve
Answer:
c
Explanation:
Lesson 3.2 Review -- High School, Grade 9
1. How does solar energy and the greenhouse effect impact Earth's global climate system?
2. Describe the factors that result in different climates in different parts of the world.
3. Describe the different causes of climate change.
4. What are the factors that result in different climates in different parts of the world?
5. (Apply Scientific Reasoning) How might the speed of climate change affect the ability of life on Earth to adapt and survive?
6. For Biosphere to meet its goal, why was it necessary for it replicate a variety of climates?
The Solar energy and the greenhouse effect impact Earth's global climate system by increasing the temperature on the surface of the Earth. There are several factors such as green house effect and air pollution that result in different climates in different parts of the world.
What is green house effect?The greenhouse effect has been described as when gases in the earth's atmosphere has been trapped the heat from the sun that would otherwise escape into space. This concentration of the Solar energy has been trapped in the earth's lower atmosphere causes the temperature of the earth's surface to rise.
The greenhouse effect has been traps this heat energy in the earth's lower atmosphere. This could leads to increased temperatures on the surface of the earth and intense impacts on the global climate system.
Therefore, There are several factors such as green house effect and air pollution that result in different climates in different parts of the world.
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g The primary detrimental effect of the presence of large amounts of biodegradable organic materials in water is ________. The primary detrimental effect of the presence of large amounts of biodegradable organic materials in water is ________. it rises to the surface and absorbs wavelengths needed by aquatic plants it causes the water to become murky it decomposes endothermically causing the temperature of the water to decrease below the limits within which most aquatic organisms can live it causes oxygen depletion in the water it causes death of bottom dwelling organisms because it agglutinates and settles to the bottom, poisoning bottom dwelling organisms
Answer:
It causes oxygen depletion in the water
Explanation:
When the amounts of organic matter in the water are significant, the activity of aerobic bacteria and other decomposers increases.
Organic matter suffers decomposition in the presence of oxygen. Microorganisms degrade it while consuming dissolved oxygen in the process. Bacteria show fast and exponential growth, so the more organic matter, the more aerobic bacteria, and the less available oxygen in the water.
Organisms that usually inhabit these waters are affected by the lack of oxygen. Plants, algae, animals, and other invertebrates that need it to survive, find themselves limited in these environmental conditions. Eventually, they dye and contribute with more organic matter.
Little by little, sedimentation begins caused by the death of vegetables and animals, sinking in the bottom.
When oxygen disappears, anaerobic bacteria grow and act, producing fermentation.
How would transcription be affected if a gene that needed to be expressed was missing its promotor?
Answer:
it can't be used to make a protein in that cell.
Explanation:
If a gene is not transcribed in a cell, it can't be used to make a protein in that cell. If a gene does get transcribed, it is likely going to be used to make a protein (expressed). In general, the more a gene is transcribed, the more protein that will be made.
The transcription is affected as when the gene has not been transcribed the protein will not make. When a gene is transcribed, protein synthesis can happen.
What is gene transcription?Gene expression begins with transcription. To create an RNA molecule, the DNA sequence of a gene must be copied. RNA polymerases, which join nucleotides to create an RNA strand, carry out transcription (using a DNA strand as a template).
A gene cannot be used to produce a protein in a cell if it is not transcribed there. If a gene gets transcribed, it will probably be used to produce a protein (expressed). In general, more protein will be produced the more a gene is transcribed.
Therefore, the transcription is impacted since the protein cannot be produced if the gene is not transcribed. Protein synthesis can take place when a gene is transcribed.
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Based on the position of the Earth, moon, and Sun in the image above, which statement describes what will occur?
A. A neap tide will occur during a new moon or full moon because the gravitational attraction between the Sun and Moon on the water is the weakest.
B. A neap tide will occur during a 1st or 3rd quarter moon because the gravitational attraction between the Sun and Moon on the water is the strongest.
C. A spring tide will occur during a 1st or 3rd quarter moon because the gravitational attraction between the Sun and Moon on the water is the weakest.
D. A spring tide will occur during a new moon or full moon because the gravitational attraction between the Sun and Moon on the water is the strongest.
Based on the position of the Earth, moon, and Sun in the image above, a spring tide will occur during a new moon or full moon because the gravitational attraction between the Sun and Moon on the water is the strongest and is denoted as option D.
What is Spring tide?This is referred to as a phenomenon where the sun and the moon are in line with each other which results in the pulling of the ocean's surface in the same direction.
This causes high tides known as spring tides and is therefore the reason why option D was chosen.
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How is the nitrogen cycle important to humans?
A.It produces free nitrogen that humans can breathe.
B.It converts nitrogen into a form that humans can obtain by eating other organisms.
C. It produces nitrogen compounds that humans can breathe.
D. It converts nitrogen into a form that humans can obtain by absorbing it through their skin.
The nitrogen cycle is important to humans in the following way: it converts nitrogen into a form that humans can obtain by eating other organisms (option B).
What is the nitrogen cycle?Nitrogen cycle is the natural circulation of nitrogen in a series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms, including nitrogen fixation and decomposition.
During the nitrogen cycle, atmospheric nitrogen is converted to nitrogen oxides by lightning and deposited in the soil by rain, where it is assimilated by plants and either eaten by animals (and returned as faeces) or decomposed back to elemental nitrogen by bacteria.
The usable form of nitrogen that is assimilated by plants becomes accessible to humans when they consume the plants, hence, depicting the importance of the nitrogen cycle.
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13. Which of the following is not a feature of flat bones?
Select one:
a. Curved but wide an thin
Ob. Compact bone
Oc. Epiphyseal plate
Od. Bone marrow
e. Spongy bone
evious page
tion 5 of 50
An investigation is an example of
An investigation is an example of research.
What is research?Research is the process of gathering and analyzing information in order to answer a question or solve a problem. Investigations are a type of research that is typically conducted to gather evidence about a crime or other incident. Investigators may gather evidence through interviews, document reviews, and physical examinations. They may also use scientific techniques, such as DNA testing or fingerprint analysis.
The goal of an investigation is to gather enough evidence to determine what happened and who is responsible. This information can then be used to bring charges against the perpetrator or to take other necessary steps.
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What gases are represented by label b and how do these gas levels relate to the evolution of photosynthetic organisms
Answer:Our planet's atmosphere has changed quite a bit over time.
Explanation:
The planet is generally thought of as having three distinct atmospheres over the course of its lifetime.
History of Earth and Bio Homework:
I think the answer is a...but I'm not sure. Help with this homework plsss!
Answers are:
a. As the temperature of the water changes, lipids can create protobionts around organic molecules.
b. Because of its capacity for self-replication, RNA may code for and create lipid layers.
c. Around hydrothermal vents, pyruvate reactions can produce lipid molecules that form vesicles.
d. dna's increased stability allows it to build a lipid bilayer
Earth's past and its bio RNA may build and code for lipid layers due to its ability to self-replicate.
Why is RNA regarded as the first biomolecule to self-replicate?self-replicating RNA. According to the RNA universe hypothesis, the first RNA molecule capable of self-replication was what brought life to Earth. According to the RNA world hypothesis, the first RNA molecule capable of self-replication on Earth was a straightforward RNA molecule.
Why was DNA chosen as the genetic code for biological life rather than RNA?The double helix of DNA supplanted RNA as a more stable molecule for storing the information as the accumulation of extra protein catalysts allowed for the evolution of more effective and sophisticated organisms, suggesting that DNA was likely an afterthought.
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The occipital lobe in your left hemisphere receives information from:
a. The left side
b. The right side
c. The right eye
d. The left eye
The occipital lobe in the left hemisphere of the brain receives visual information from the
b. right side of the visual field of both eyes.
This phenomenon is known as contralateral processing, where the left hemisphere receives information from the right side of the body and vice versa. The right visual field is processed by the left occipital lobe, while the left visual field is processed by the right occipital lobe. This is because visual information from each eye is transmitted to both hemispheres of the brain, with each hemisphere processing information from the opposite visual field. The occipital lobe is responsible for processing visual information, such as recognizing shapes, colors, and objects, and creating a coherent visual perception of the environment. Therefore, the left occipital lobe plays a crucial role in the processing of visual information from the right visual field.
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true or false if you click on the name of a structure you identified incorrectly or correctly you will be taken to the module in APR where you can review this structure
Answer:
True.
Explanation:
When you are given a given structure and you ick on it to know if its correct or wrong you will be taken to a module on APR where u can review this structure and see clearly if it's right or wrong. That is how the website as be programmed. Once you click on it, u are automatically directed to APR to review and clarify your answers.
Internal and external information is brought to the brain in the process of
Answer: Consciousness
Heterotrophs receive nutrients by I
B) creating food from the environment.
C) breaking down dead matter.
Both B) and C)
A) consuming other organisms.
Both A) and C)
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Peter and Rosemary Grant spent years on the Galápagos Islands studying changes in __________ populations
Peter and Rosemary Grant spent years on the Galápagos Islands studying changes in finch populations.
Peter and Rosemary Grant spent years on the Galápagos Islands studying changes in finch populations. Their research focused on observing and analyzing the variations in the populations of finches, which are a group of closely related bird species found in the Galápagos archipelago.The Grants' study was inspired by Charles Darwin's observations of finch diversity during his visit to the Galápagos Islands, which played a significant role in developing his theory of natural selection. The Grants aimed to investigate how natural selection and environmental factors influenced the evolution of finches and their adaptation to different habitats within the islands.Through meticulous fieldwork, the Grants collected data on various traits of finches, such as beak size and shape, body size, and plumage coloration. They observed how these characteristics changed over time in response to factors like food availability, competition, and climatic variations.By studying the finch populations, the Grants were able to provide empirical evidence supporting Darwin's theory of natural selection and gain insights into the mechanisms driving evolutionary changes in response to environmental pressures. Their research significantly contributed to our understanding of evolution and the role of natural selection in shaping species diversity.For more such question on Galápagos Islands
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What is the analogous variant for mad cow disease in humans?
Answer:
A human version of mad cow disease called variant Creutzfeldt-Jakob disease (vCJD) is believed to be caused by eating beef products contaminated with central nervous system tissue, such as brain and spinal cord, from cattle infected with mad cow disease.
Explanation:
Answer:
Explanation:
Creutzfeldt-Jakob disease (CJD) is a variant for mad cow disease in human. Unfortunately there is no cure and everyone who had contracted the disease all died. There is not even a test to confirm it. It can only be confirmed by a brain biopsy or an exam of brain tissue AFTER death.
The use of non-local resources is associated with certain economic and environmental consequences.
Please select the best answer from the choices provided
ОТ
OF
Next
Submit
Save and Exit
Mark this and return
Answer:
The correct answer is - T.
Explanation:
The given statement is a true statement. Non-local resources are those resources that are not present or found in a particular region and have to bring in these regions.
Bringing these resources affects some environmental and economical risks. Importing such resources affect local business and local producers as they get very less profit. These resources could harm the local environment as well.
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List and describe at least 3 of the major factors and processes needed for the origin of life on Earth.
Draw and label a diagram to illustrate the principle of regulating arterioles through intrinsic vs extrinsic regulation
- Describe how chemical and physical changes determine COD (ex. metabolic changes that lead to active hyperemia, vasoactive mediators, temperature and myogenic stretch response )
Regulating Arterioles:
Arterioles are small blood vessels that regulate blood flow to different organs and tissues. They have the ability to constrict or dilate in response to changes in metabolic demand, blood pressure, and other factors. This regulation can occur through two mechanisms: intrinsic and extrinsic.What is the intrinsic vs extrinsic regulation about?Intrinsic regulation involves the arteriole itself responding to local changes in the surrounding tissue. The main factor controlling intrinsic regulation is the metabolic demand of the tissue. As tissues become more active and require more oxygen and nutrients, they release metabolic byproducts such as carbon dioxide, adenosine, and potassium ions.
Extrinsic regulation involves the nervous and endocrine systems controlling arteriolar diameter through the release of vasoactive mediators. These mediators can either cause vasoconstriction or vasodilation, depending on the physiological need. For example, the sympathetic nervous system releases norepinephrine to constrict arterioles in response to low blood pressure or stress.
Chemical and Physical Changes:
Chemical and physical changes can also determine the regulation of arterioles. In response to metabolic demand, tissues release metabolic byproducts that cause vasodilation. Vasoactive mediators such as nitric oxide and prostacyclin also promote vasodilation. Conversely, vasoconstriction can be caused by factors such as endothelin-1 and thromboxane A2.Therefore, the Physical factors such as temperature and myogenic stretch response can also affect arteriolar diameter. Cold temperatures cause vasoconstriction, while warm temperatures cause vasodilation. Myogenic stretch response is the ability of arterioles to respond to changes in blood pressure by constricting or dilating to maintain a constant flow. When blood pressure increases, the arteriole constricts to prevent an excessive flow, and when blood pressure decreases, the arteriole dilates to maintain flow.
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Type the correct answer in the box. Spell all words correctly.
What is a close relationship between two organisms that live together called?
The close relationship between two organisms that live together is called
Reset
Next
Answer:
symbiosis.
Explanation:
The term that you are referring to is symbiosis. (a symbiotic relationship)
Symbiosis is a proximate and often long-term interaction between two or more different biological species.
Which of Earth's spheres cycle carbon relatively quickly?