what is sts 325 bio-medical ethics (also called phi 325) like ? what types of assignments/work is given?

Answer:

c

Explanation:

viruses are nonliving, but they do have genetic material, cause disease, and i'm not sure about the membrane-bound organelles but they are definitely nonliving so the answer is c

Answer:

c bacteria are living organisms, while virus are considered non-living organisms.

Stabilizing selection, directional selection and disruptive selection are the three types of natural selection.

What are these types of selection?

Natural selection is the process wherein organisms get better adapted to their environments and tend to survive and produce more offsprings. It is basically a mechanism of evolution which favors those organisms that can better adapt to their environment.

Directional selection: this theory states that an extreme phenotype (a characteristic or trait) is favored over other phenotypes and this causes the allele frequency to shift in favor of the extreme phenotype over time. A particular trait, if favorable, will be expressed in the population at the most beneficial frequency.

Stabilizing selection: in this type, meaning a non-extreme trait is favored instead of one of the two extreme traits. Stabilizing selection is said to be the most common mechanism for natural selection, because most traits do not change drastically over time.

Disruptive selection: This selection is bimodal. It favors both of the extreme traits in a population.

So therefore, stabilizing selection, directional selection and disruptive selection are the three types of natural selection.

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Answer:

false

Explanation:

Answer:

yes

Explanation:

i did this and got it right.

The scientific question that these results might cause a scientist to ask is: Is there another way to calculate the frequencies of the alleles in this population?.

The given table presents the frequencies of the dominant (p) and recessive (q) alleles for flower color in three generations of pea plants. However, the frequencies in generation 2 and 3 are listed as "2000.7" and "2000.8," which seems to be a typographical error or an inconsistency in the data. This discrepancy might lead a scientist to question the accuracy of the values and seek alternative methods or calculations to determine the correct frequencies of the alleles in the population.

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The process that begins with the replication of DNA in the nucleus of a cell is cell division, which is present in option A, and in the cell division phase, the cell divides to form daughter cells.

Cell division is a process in which the cell first grows in the G1 phase of the cell cycle, then replicates DNA in the S phase, then enters the G2 phase, and finally enters the mitosis or cell division phase. The DNA replication starts in the S phase, and in this phase, the DNA divides to form two DNA strands, so that in the division phase, each daughter cell gets parental DNA.

Hence, the process that begins with the replication of DNA in the nucleus of a cell is cell division, which is present in option A, and in the cell division phase, the cell divides to form daughter cells.

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There are two main ways for species to make their way to remote islands (aside from any methods involving humans). The first method is by air in the form of flying or being blown by the wind, and the second method is by the sea while swimming or floating, sometimes with the aid of rafts of tangled vegetation.

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Answer:

climax community is the term for a boreal forest community of plants, animals, and fungi.

Explanation:

climax community also known as climatic climax community is a historic term for a boreal forest community of plants, animals, and fungi which, through the process of ecological succession in the development of vegetation in an area over time, have reached a steady state.

You are searching for a mutant cell that is defective in protein glycosylation. You would most likely find such a mutant by looking for cells with defective Golgi apparatus.

The Golgi apparatus can be described as an organelle present in the eukaryotic cells which function in the processing of proteins. The Golgi apparatus is involved in various post-translational functions such as packaging, transporting as well as modification of proteins. Without these post-translational modifications, a protein will not be able to move out of a cell.

Protein glycosylation is a type of post-translational modification that occurs in the Golgi apparatus. Hence, if there is a mutation that causes an error in protein glycosylation, then we know that the Golgi apparatus are the organelles that have been affected as a result of this mutation.

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The G0 phase is not a transition point where the cell cycle control system regulates progression through the cell.

This phase represents a state of rest where cells exit the cell cycle and enter a quiescent state. Unlike other stages of the cell cycle, G0 is not regulated by the cell cycle control system, and cells can remain in this phase for an indefinite period.

                                 The other transition points in the cell cycle, including the G1/S checkpoint, the G2/M checkpoint, and the metaphase checkpoint, are all regulated by the cell cycle control system to ensure proper progression through the cell cycle.
                                  The three main transition points in the cell cycle control system are the G1 checkpoint, the G2 checkpoint, and the M checkpoint (or the spindle checkpoint). These checkpoints ensure the proper progression and division of cells. "DETAIL ANS" is not related to the cell cycle control system or its checkpoints.

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Water supply to these plants in a desert is a limiting element, hence water lilies cannot flourish in desert sand.

A perennial aquatic plant with floating leaves known as a fragrant water lily is often found in water that is 3 to 6 feet deep. It grows in ditches, slow-moving streams, freshwater lakes, and ponds. It is pH-tolerant across a wide range. prefers muddy lake/pond bottoms to silty ones.

The growth of water lilies requires sunlight. While they can tolerate moderate shadow for a while, they still require sunlight for at least three hours each day. You should be careful to place them far from any pumps or leisure areas because moving water is harmful to their growth.

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Different kinds of receptors in the skin and organs are capable of recognizing both internal and exterior inputs. Neurons in the sensory system send this data to the brain.

Assembling sensory neurons create sensory nerves, which pass through the spinal cord to the brain.

The brain and spinal cord make up a person's central nervous system (CNS). When a receptor is activated, a signal travels through the neurons, or nerve cells, to the brain.

The effector receives nerve impulses from the brain, which the brain then uses to coordinate the reaction.

A sensory system is made up of neural networks, sensory neurons (including sensory receptor cells), and brain regions involved in sensory perception.

Therefore, brain coordinates the sensory responses to a stimulus.

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The Golgi apparatus processes and sorts proteins from the ER for transport to lysosomes, the plasma membrane, or secretion. Therefore, option (C) is correct.

Proteins obtained from the ER are further processed and sorted in the Golgi apparatus, or Golgi complex, where they are eventually transported to lysosomes, the plasma membrane, or secretion. As was already mentioned, the Golgi also produces sphingomyelin and glycolipids.

The flattened cisternae and related vesicles make up the Golgi apparatus. The Golgi apparatus' cis face is where proteins and lipids from the ER enter, and its trans face is where they leave.

The transport, sorting, and modification of both protein and lipid are the three main tasks performed by the Golgi apparatus, and these tasks are reflected in the protein makeup of the organelle.

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During repolarization, calcium channels close and voltage-gated potassium channels open  is the correct answer.

Repolarization is the change in membrane potential that occurs immediately following the depolarization phase of an action potential, which changes the membrane potential to a positive value, and restores it to a negative one. The membrane potential typically recovers to the resting membrane potential during the repolarization phase. Action potentials enter the falling phase as a result of the outflow of potassium (K+) ions. The K+ channel pore's selectivity filter allows the ions to flow through. The open calcium channels pass more calcium ions when the driving force for calcium entry increases during the repolarization of the AP, which causes an increase in calcium influx.

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The complete question is :

All of the following statements regarding the electrical activity of the heart conduction cell are false except?

A : A plateau is prolonged to ensure repolarization.

B : Depolarization of the nodal cells is due to fast voltage-gated calcium channels.

C : The first event is the result of slow voltage-gated sodium channel changing the resting membrane potential to -40 mV.

D : During repolarization, calcium channels close and voltage-gated potassium channels open.

Answer:

pls I can't see the questions well

Academic scientists are responsible for conducting fundamental research that can lead to new discoveries and technologies, while practitioner scientists apply this knowledge to solve practical problems and improve the quality of life for people around the world. By working together, academic and practitioner scientists can create a more sustainable and prosperous future for all.

Academic scientists are primarily engaged in research and the creation of new knowledge. They are typically employed in universities, research institutions, and government agencies and are responsible for conducting experiments, analyzing data, and publishing their findings in scientific journals. Academic scientists are driven by a desire to understand the natural world and make new discoveries, and their work often leads to breakthroughs that have significant impacts on society.

Practitioner scientists, on the other hand, are primarily engaged in applying scientific knowledge to solve practical problems in industry, government, and other sectors. They are typically employed in private companies, government agencies, and non-profit organizations and are responsible for developing new technologies, improving existing products and processes, and making recommendations to decision-makers. Practitioner scientists are driven by a desire to make a positive impact on society and bring their scientific expertise to bear on real-world problems.

Both sub-communities contribute to the creation of new knowledge and the development of solutions for society's problems in complementary ways. The academic community conducts rigorous research, generates new theories, and provides evidence-based insights that form the foundation for innovation and problem-solving. They contribute to the scientific literature, which practitioners can draw upon to inform their work.

The practitioner community, with their hands-on experience and practical expertise, applies scientific knowledge in real-world settings, testing, and refining concepts and translating research findings into actionable solutions. They provide feedback to the academic community by identifying gaps in knowledge and practical challenges that require further investigation.

Overall, the academic and practitioner sub-communities work collaboratively to advance scientific understanding, generate new knowledge, and develop effective solutions that address societal challenges. Their collaboration is essential for bridging the gap between theory and practice and ensuring that scientific research has meaningful and impactful applications in the real world.

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Answer:

C

Explanation:

Answer:

combining plant protein sources to achieve a better amino acid

Explanation:

Bringing it all together. Protein complementation is combining plant protein sources to achieve a better amino acid balance than either would have alone. Because of differences in amino acid make-up, when plant sources are combined, the strengths of one make up for the deficiencies in another

Social intelligence hypothesis - A female gorilla chooses to mate with a high-ranking male gorilla and A wolf maintains familial bonds with various members of its pack.

Ecological intelligence hypothesis - A vole begins eating bark instead of grasses when competition is high and An octopus uses an empty clam shell to sabotage an approaching crab.

According to the social intelligence hypothesis (SIH), species with dynamic connections and groups of more than one person would likewise develop higher levels of cognition. However, earlier studies that tested this hypothesis compared species across taxa using broad proxy measures of both sociality and cognition.

According to the ecological intelligence hypothesis, humans would show specialisations in foraging cognition as a result of the distinctive characteristics of their hunter-gatherer ecological niche, including high-quality foods, centralised foraging, and expensive processing behaviours.

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The evolution of cyanide defence in clover plants in a suburban garden can be explained by the selective pressure exerted by snail predation. Clover plants that are subject to snail predation have developed alleles that enable them to produce cyanide as a defence mechanism.

In a suburban garden, the presence of snails poses a threat to clover plants. Snails feed on these plants, which can significantly impact their survival and reproductive success. However, some clover plants in this environment have evolved a defence mechanism against snail predation. These plants possess alleles that allow them to produce cyanide, which acts as a deterrent to snails.

Over time, natural selection favours the survival and reproduction of clover plants with cyanide-producing alleles. When snails attempt to feed on these plants, the cyanide defence mechanism is triggered, deterring the snails from further predation. As a result, the clover plants with cyanide-producing alleles are more likely to survive and reproduce compared to plants without these alleles.

This selective pressure leads to an increase in the frequency of cyanide-producing alleles within the population of clover plants in the garden. Through successive generations, the evolution of the cyanide defence mechanism becomes more prevalent, as plants without this defence mechanism are more susceptible to snail predation.

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Answer:

When turning electrical energy into light energy.

Explanation:

When the filament heats up and becomes red-hot as a result of opposing and resisting electricity, it begins to glow and therefore turns electrical energy into light energy.

Answer:

Answer islimiting factor.

Explanation:

A limiting factor is anything that constrains a population's size and slows or stops it from growing.

Answer:

Fish farming or pisciculture involves commercial breeding of fish, usually for food, in fish tanks or artificial enclosures such as fish ponds.

Answer:

Fish is a greatest source of dietary animal protein.

Fishery comprises of the finned fish and shellfish such as prawns and molluscs.

Fish is obtained by two ways i.e., Capture Fishery and Cultural fishery.

Aflibercept is a vascular endothelial growth factor (VEGF) trap. The results of the study provide insights into the potential use of aflibercept in this specific population.

The study you mentioned, titled "A Multicenter, Phase 2 Study of Vascular Endothelial Growth Factor Trap (Aflibercept) in Platinum- and Erlotinib Resistant Adenocarcinoma of the Lung," was conducted by Leighl NB, Raez LE, Besse B, Rosen PJ, Barlesi F, Massarelli E, et al. It was published in the Journal of Thoracic Oncology, volume 5, issue 7, pages 1054-1059 in 2010. The study aimed to evaluate the efficacy of aflibercept in treating patients with platinum- and erlotinib-resistant adenocarcinoma of the lung. Aflibercept is a vascular endothelial growth factor (VEGF) trap. The results of the study provide insights into the potential use of aflibercept in this specific population.

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Answer:

Seaweed might start to grow out of control withough crabs eating it, octopuses on the other hand would struggle to find food and start to die off because they relie on crabs to be their food source.

Without crabs to consume it, seaweed would start to grow out of control; octopuses, on the other hand, might struggle to find food and begin to disappear because they depend on crabs as a food supply.

What is the role of seaweed and octopus in ecosystem?

Seaweeds are important components of marine ecosystems. They serve as the primary source of nutrients and energy for marine organisms.

Either directly when fronds are consumed or indirectly when decomposing sections break down into small particles that are ingested by filter-feeding species.

No other creature has a predatory function as significant as that played by octopuses in forming communities.

Therefore, the population of octopuses and seaweed in this ecosystem might be affected if a disease reduced the crab population​.

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The mammary gland undergoes significant changes during pregnancy and lactation to prepare for and support milk production. Here are some of the key changes that occur:

Proliferation of mammary gland cells: During pregnancy, hormonal signals stimulate the proliferation and development of mammary gland cells, including the epithelial cells that produce milk and the myoepithelial cells that help propel milk through the ducts.

Formation of alveoli: The mammary gland also undergoes structural changes to form alveoli, small sac-like structures where milk is produced and stored. Alveoli are surrounded by myoepithelial cells, which contract to help move milk through the ducts during breastfeeding.

Development of lactiferous ducts: The ducts that transport milk from the alveoli to the nipple also undergo significant growth and development during pregnancy, increasing in size and complexity.

Secretion of colostrum: In late pregnancy and immediately after birth, the mammary gland secretes a special type of milk called colostrum, which is rich in antibodies and other immune factors to help protect the newborn from infection.

Onset of lactation: After birth, the mammary gland transitions from producing colostrum to producing mature milk. The hormonal signals that stimulate milk production and release change, with prolactin playing a key role in milk production and oxytocin triggering the release of milk from the lactiferous sinuses during breastfeeding.

Maintenance of milk production: The mammary gland continues to produce and secrete milk as long as there is regular stimulation from breastfeeding or breast pumping. This process is known as lactation and can continue for months or even years, depending on the individual and the feeding practices.

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The Relationships Describe ways that you interact with each of Earth's four spheres every day I called an interaction.

The 4 spheres of Earth are closely interacting with each other. chicken's biosphere flies through the air (surroundings), and water (hydrosphere) flows thru the soil (lithosphere or geosphere). The spheres of the earth are carefully related to each other. An trade in a single sphere impacts a change in or greater spheres.

The geosphere, in flip, displays the sun strength again into the surroundings. The biosphere gets gases, warmth, and daylight from the Earth's 4 spheres. It gets water from the hydrosphere and a residing medium from the geosphere.

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The student should add an arrow from the product side of photosynthesis to the reactant side of cellular respiration.

Cellular respiration is the process by which large sugar molecule are broken down to release energy and carbon dioxide.

Photosynthesis is the process by which sugar molecules are made from carbon dioxide and water using the energy of sunlight.

Therefore, the student should add an arrow from the product side of photosynthesis to the reactant side of cellular respiration.

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The blade of a leaf is broken down into three main parts: the upper epidermis, the mesophyll (including palisade and spongy mesophyll), and the lower epidermis.

The blade of a leaf is broken down into three main parts: the upper epidermis, the mesophyll, and the lower epidermis.

1. Upper Epidermis: This is the outermost layer of the leaf that protects it from external factors and prevents water loss.

2. Mesophyll: This is the middle layer of the leaf, which is further divided into two layers: the palisade mesophyll and the spongy mesophyll. The palisade mesophyll contains the majority of the leaf's chloroplasts and is where most photosynthesis occurs. The spongy mesophyll contains air spaces that facilitate gas exchange between the leaf and the environment.

3. Lower Epidermis: This is the innermost layer of the leaf, which also helps protect the leaf and contains the stomata, which are tiny pores that allow for gas exchange and transpiration.

In summary, the blade of a leaf is broken down into three main parts: the upper epidermis, the mesophyll (including palisade and spongy mesophyll), and the lower epidermis.

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