Based on the hierarchy of life, what two things can be implied and why?
Answers
Two things that can be implied from the hierarchy of life are that all living organisms can be organized into distinct categories, and that all living organisms are related in some way.
Organizing living organisms into distinct categories allows us to better understand how they interact with one another and how they evolved. By recognizing that all living organisms are related, we can gain insight into the evolutionary history of Earth's biodiversity.
The hierarchy of life is a common way to categorize the diversity of life on Earth. At the top is the domain, which includes three categories: Archaea, Bacteria, and Eukarya. Below the domain level is the kingdom, which contains the five main kingdoms of life: Animalia, Plantae, Fungi, Protista, and Monera.
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Related Questions
Which development plan would cause the least harm to the existing forest ecosystem?
A. Spread the houses out evenly so that there is as much forest as possible between each of the houses
B. Place the houses close together and use the remaining forest as a natural common area
C. Build some big houses on large lots and some small houses on small lots so that families with different incomes can live together
D. Build several small clusters of homes in different places so that each house will have a few close neighbors
Answers
Answer:
B. Place the houses close together and use the remaining forest as a natural common area.
Explanation:
Placing the houses close together and use the remaining forest as a natural area is the development plan that would cause little harm to the existing forest ecosystem because less area of forest will be disturbed and the remaining forest is protected from the harm. This type of development is good for both people and organisms present in the ecosystem due to little damaged of their habitat and these organisms can't be extinct from that area.
The celiac ganglion ________. Group of answer choices is located near the base of the superior mesenteric artery arises from the greater splanchnic nerve projects postganglionic fibers that innervate the small intestine and the kidney and urinary bladder arises from the lesser splanchnic nerve arises from the lumbar splanchnic nerve
Answers
Answer:
The correct answer is ''arises from the greater splanchnic nerve''
Explanation:
The greater splanchnic nerve or great adrenal nerve, originates in the thoracic sympathetic chain from vertebral levels T5 to T9 (T10). It runs over the bodies of the thoracic vertebrae and as it descends it becomes more anterior. It enters the abdomen crossing the diaphragmatic pillar and ends at the celiac plexus. The upper part of each celiac ganglion continues with the greater splanchnic nerve. The collateral or prevertebral ganglia innervate the abdominal and pelvic organs and viscera. The celiac ganglion receives preganglionic fibers from T5 to T12 and innervates the stomach, liver, pancreas, gallbladder, small intestine, spleen, and kidneys.
in dna editing by means of crispr, the function of the crispr-associated protein is to: select all that apply. translate guide rna. bind guide rna. cleave target dna. transcribe guide rna. bind target dna.
Answers
The function of the crispr-associated protein is to bind sgRNA, bind target DNA, cleave target DNA.
What is genome/ DNA editing?
Genome editing allows us to make changes to the DNA. This might lead to changes in physical characteristics like eye color, and disease risk. Different technologies are used for the purpose of genome editing.
The DNA is cut at specific spot by molecular scissors, after which at the site of cut, we can add, replace or remove DNA.
1900s was when the first genome editing technology was developed. The new genome editing tool CRISPR was invented in 2009. CRISPR is faster, simpler, cheaper and much more accurate than the older technologies.
Therefore, the function of the crispr-associated protein is to bind sgRNA, bind target DNA, cleave target DNA.
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repair of double stranded breaks by non-homologous end joining is more likely to occur outside of s phase and g2 than homologous recombination. why is this? group of answer choices proteins for non homologous end joining cannot be transcribed during s phase and g2. dna ligase, which seals two broken chromosomes in non homologous end joining is not present during s phase or g2. double stranded breaks are unlikely to occur during s phase and g2. outside of s phase and g2, there is no homologous chromosome that the homologous recombination pathway can use for repair.
Answers
Repair of double stranded breaks by non-homologous end joining is more likely to occur outside of S phase and G2 because proteins for NHEJ cannot be transcribed during S phase and G2, and DNA ligase is not present.
During S phase and G2, the DNA is actively being replicated and the cells are preparing to divide. However, the proteins necessary for non-homologous end joining (NHEJ) cannot be transcribed during this time due to the tight regulation of gene expression in the cell cycle.
Additionally, DNA ligase, which seals two broken chromosomes in NHEJ, is not present during S phase or G2. On the other hand, homologous recombination (HR) requires a homologous chromosome for repair, which is unlikely to be present during S phase and G2 as the chromosomes are condensed and the DNA is being actively replicated.
Therefore, repair of double stranded breaks by NHEJ is more likely to occur outside of S phase and G2.
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how can the theory of island biogeography help scientists understand the role of fragmentation in species extinction and to develop ways to prevent such extinction?
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It has been helpful to understand the effects of habitat fragmentation using the island biogeography theory, which holds that fragmented ecosystems have less species richness per unit of area than contiguous habitats.
However, this theory is unable to adequately explain the complexities of change in isolated forest fragments. According to island biogeography theory, population colonization success is influenced by island size and isolation. A lower probability of extinction results from the bigger populations that large islands can support compared to small ones. The number of species protected was determined by habitat diversity, which was either equally or more crucial than size.
Wildlife corridors were created as a conservation measure to improve connectivity between habitat islands as a result of island biogeography theory. According to the island biogeography theory, an island's size and degree of isolation have an impact on its biodiversity and species composition. There are more species on larger, less isolated islands than there are on smaller, more isolated islands.
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Identify two distinguishing factors of a nearby ecosystem, and name five kinds of organisms that live in that ecosystem.
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Which is the highest level of organization shown in the diagram?
Select one:
a. a cell
b. a tissue
c. an organ
d. a system
Answers
The highest level of organization shown in the diagram is an organ system, in this case, the circulatory system (Option d).
What is an organ system in the body?An organ system can be defined as a group of different organs and structures in the body that work together to play a function such as in the case of the circulatory system transporting oxygen and nutrients to all body cells.
Therefore, with this data, we can see that an organ system in the body is composed of different organs.
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I need help. Write a short paragraph that compares the reproductive structures of gymnosperms and angiosperms
Answers
Answer:
Angiosperms are plants with flowers, gymnosperms are plants that do not have flowers. Both groups belong to spermatophytes or seed plants.Gymnosperms are seed-producing plants that do not possess flowers. In gymnosperms, the flowers are replaced by cones, which lack ovaries.
Explanation:
Complete the following statements. Ions are necessary to activate the binding sites on the actin filaments. The molecule is required each time the myosin head detaches from one site and reattaches to another.
Answers
Calcium ions are necessary to activate the binding sites on the actin filaments. The ATP molecule is required each time the myosin head detaches from one side and re-attaches to another.
What do you mean by actin filaments?It is microfilaments that are responsible for cell shape and cellular movements.
The calcium ions are released when there is depolarization of the sarcomere occurs. They then bind to troponin and restructure the complex that is exposing the binding sites to the myosin head.
The cellular importance of the motor proteins is ATP-dependent which forces the impulse to actin filaments, and then the myosin head detaches from the old binding sites of actin.
Therefore, Calcium ions are necessary to activate the binding sites on the actin filaments. The ATP molecule is required each time the myosin head detaches from one side and re-attaches to another.
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You are recruiting 25 space-travelers to populate a new planet many light-years away. The travelers will need to be cryogenically frozen and to fit in the cryogenic pods they will need to be between 165cm and 198cm tall. (Show your work). Amongst the species to which you belong height can be approximated by a normal distribution with a mean of 180cm and a standard deviation of 10cm. What is the probability that a randomly selected potential traveler will fall within the permitted height range? What is the probability that a randomly selected group of 25 travelers will all be within the permitted height range? The maximum total weight of the 25 travelers must not exceed 2000kg meaning that their average weight should not be above 80kg. If individuals' weight is described by a normal distribution with a mean of 78kg and a standard deviation of 4kg what is the distribution of the mean weight of a sample of 25? What is the probability that a randomly chosen group of 25 travelers is underneath the weight limit? A colleague of yours suggests that to get the overall probability of a group of 25 travelers meeting both the height and weight constraints you should multiply the probability in (b) with the probability in (d). Do you agree? Why or why not?
Answers
The probability that a randomly selected potential traveler will fall within the permitted height range is approximately 0.8186. The probability that a randomly selected group of 25 travelers will all be within the permitted height range is approximately 0.1544. The probability that a randomly chosen group of 25 travelers is underneath the weight limit is approximately 0.0014.
To find the probability that a randomly selected potential traveler falls within the permitted height range, we can calculate the area under the normal distribution curve between the given height limits. Using the Z-score formula, we can standardize the height range and then use the standard normal distribution table or a calculator to find the corresponding probabilities. The result is approximately 0.8186.
To calculate the probability that a group of 25 travelers will all be within the permitted height range, we need to consider the probability of each individual being within the range and then multiply those probabilities together. Since the heights of individuals are independent, we can use the multiplication rule for independent events. The probability that an individual is within the range is approximately 0.8186, so the probability that all 25 individuals are within the range is (0.8186)^25, which is approximately 0.1544.
Step 3: To determine the distribution of the mean weight of a sample of 25 travelers, we need to consider the central limit theorem. According to the theorem, if the sample size is large enough (typically n ≥ 30), the distribution of sample means will be approximately normal, regardless of the shape of the population distribution. The mean weight of the sample will still have a mean of 78kg, but the standard deviation will be the population standard deviation divided by the square root of the sample size, which in this case is 4kg/sqrt(25) = 0.8kg. Therefore, the distribution of the mean weight will be a normal distribution with a mean of 78kg and a standard deviation of 0.8kg.
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Breathing is related to the carbon cycle because
O only animals release carbon dioxide as a waste product.
O organisms exhale carbon dioxide.
O it produces energy.
O it converts glucose and oxygen to water and carbon dioxide.
(Option B. Organisms exhale carbon dioxide is the correct answer)
Answers
Answer:
In animals, oxygen combines with food in the cells to produce energy for daily activity and then gives off carbon. The carbon combines with oxygen to form carbon dioxide (CO2) and is released back into the atmosphere as a waste product when animals breathe and exhale.
which sentences below correctly defines respiration
A: release engery from food
B: inhaling and exhaling
C:removal of metabolic waste
D:producing an offspring to continue their species
Answers
Answer:
Its B
Explanation:
Respiration: The act of inhaling and exhaling air in order to exchange oxygen for carbon dioxide.
Choose all the answers that apply.Which of the following are benefits of genetic engineering?new vaccinescreation of toxic wastesterile offspringcancer drugsseedless grapes
Answers
Solution:
Genetic engineering has helped to propose the use of new drugs, proteins, or the use of DNA to control and correct cellular defects, as well as activate the immune response to eliminate the tumor cell.
On the other hand, genetic engineering is used to generate new vaccines, such as recombinant vaccines.
Finally, genetic engineering is used to generate transgenic organisms or transgenic products.
So, we can conclude that the correct answer is:
New Vaccines
Cancer drugs
Seedless grapes
without insulin, what happens to the glucose transporter (glut 4) on the cell surface bio 181?
Answers
In the absence of insulin, GLUT4 remains sequestered in intracellular vesicles, and the amount of this transporter on the cell surface is minimal, resulting in reduced glucose uptake by the cell.
Glucose transporters (GLUTs) are integral membrane proteins that facilitate the transport of glucose across the plasma membrane of cells. GLUT4 is a glucose transporter that is mainly expressed in adipose tissue and skeletal muscle and is responsible for insulin-stimulated glucose uptake.
In the absence of insulin, GLUT4 remains sequestered within intracellular vesicles, and only a small amount of this transporter is present on the cell surface. This is because insulin signaling triggers a series of events that promote the translocation of GLUT4 from intracellular vesicles to the plasma membrane, thereby increasing the amount of GLUT4 available for glucose uptake.
Insulin signaling begins with the binding of insulin to its receptor on the cell surface, which activates a cascade of intracellular signaling pathways involving protein kinases and other molecules.
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Your colleague has collected some sediments from a mangrove swamp and then grows the bacteria from those sediments on an agar plate to determine the concentration of bacteria in those sediments.
a) Describe why the resulting bacterial concentration is an underestimate of the actual concentration of bacteria in those sediments.
b) State what method they should have used instead to more accurately determine the bacterial concentration.
Answers
From the question;
1) It may have been underestimated sue to visibility bias
2) The method of direct microscopic count or direct cell count can be employed.
What about the bacteria?On the particular agar medium employed, not all bacteria contained in the sediments may be viable or able to grow. Some bacteria might no longer be culturable or in a dormant state, which limits their capacity to grow into colonies on the agar plate. This viability bias may lead to the underestimate of the bacterial population by excluding a sizable fraction of it.
A direct microscopic count entails using a microscope to directly observe and count bacterial cells. Without the bias imposed by culture-based approaches, it provides a more thorough count of bacterial cells, including viable and non-viable cells.
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Do the atoms that make up a rock move?
Answers
What is the name and function of the structure indicated by A?
Answers
I’m sorry if my answers turned to be wrong but I tried my best so enjoy!
Classify each of the samples in the grid below as one of the following substances. Each one may be used more than once:
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si 0?no Nop suficientemente silvestre usuario independencia 6t?
which phase do chromatids divide and cell contents begin to be divided?
Answers
Answer:
anaphase stage
Explanation:
All of the chromatids are split in sync as the cell enters the anaphase stage. It is to be mentioned that the genetic material from prophase was called the chromatids not chromosomes (if you haven’t noticed it by now). However, since the sister chromatids are split in anaphase the genetic material is once again referred to as chromosomes.
NEED HELP ASAP PLEASE Describe the controversy surrounding dissociative identity disorder as a diagnosis and explain how stress
may play a role in a misdiagnosis.
Answers
The controversy surrounding dissociative identity disorder as a diagnosis is that accounts of dissociation based on current diagnostic scales are invalid because the design of the scales increases the possibility of false positives.
Stress may play a role in misdiagnosis because individuals who have experienced stress may be more likely diagnosed as having dissociative identity disorder.
What is misdiagnosis?Misdiagnosis is described as an incorrect conclusion about the cause of a disease or problem.
Stress is a reaction marked by emotional exhaustion, depersonalization manifesting in cynicism and detachment from work, and a lack of sense of personal accomplishment.
In conclusion, Misdiagnosis can have serious consequences on a person's health.
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What structure is an extension of the spine of the scapula? a. acromion b. coracoid process c. supraglenoid tubercle d. glenoid cavity.
Answers
The structure that is an extension of the spine of the scapula is acromion. Therefore the correct option is option A.
The acromion is a bony prominence on the scapula bone. It is an extension of the scapular spine and appears as a flat, curved bone on the top of the shoulder. The acromion is situated at the posterior-lateral part of the scapula and is the uppermost bony projection of the shoulder blade.
It connects the scapula to the clavicle bone and contributes to the formation of the acromioclavicular joint. The primary function of the acromion is to protect the underlying shoulder joint and the rotator cuff tendons from any external harm or injury.
It also provides an attachment site for the deltoid muscle that covers the shoulder joint and helps in moving the upper limb. The acromion has different shapes and sizes, and its morphology can vary between different individuals. Therefore the correct option is option A.
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How is a LENS different than a mirror?
Answers
Answer:
The mirror is glass with one side silvery backing produces an image by reflection on only one surface. The lens is a transparent substance that produces images by refraction in any surface of the two surfaces. It can be plane or curved.
Explanation:
Answer: The mirror is a device based on the principle of reflection whereas the lens is based on the principle of refraction.
The active process that occurs when materials enter the digestive tract via the mouth is __________
Answers
why is it necessary for meiosis to create haploid cells
Answers
Answer:
During meiosis, one single parent cell produces four daughter cells. Haploid cells contain half as many chromosomes as their parent cells
Explanation:
the primary cortex contains a map of the body based on the importance of sensory input from different parts of the body. a. somatosensory b. visual c. auditory d. motor please select the best answer from the choices provided a b c d
Answers
The primary somatosensory cortex contains a map of the body based on the importance of sensory input from different parts of the body.
Thus, the correct option is A.
The somаtosensory system is a pаrt of the sensory nervous system. The somаtosensory system is а dynаmic system of sensory neurons and neurаl routes, which respond to chаnges аt the inside or surfаce the body. Its function is the cаpаcity to understаnd the feeling from different parts of the body. There аre different forms of such аs touch, tension, vibrаtion, temperаture, scrаtch, tickle, and pаin.
The somаtosensory system is а three-neuron system which relаys sensаtions in the periphery and trаnsmits them to the sensory cortex in the pаrietаl lobe through pаths thru the spinаl cor", the brаin stem and the thаlаmic relаy nuclei.
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Which of the following characteristics of blood best explains its classification as connective tissue?
A) Its cells are widely dispersed and surrounded by a fluid.
B) It contains more than one type of cell.
C It is contained in vessels that "connect" different parts of an organism's body.
D) Its cells can move from place to place.
E) It is found within all the organs of the body.
Answers
The blood's qualities are what qualify it as connective tissue. It is housed in the vessels that "link" the various components of an organism's body. Hence, the answer is (C).
What is meant by an connective tissue?There are four main forms of animal tissue: epithelium, muscular, connective, and nervous. Connective tissue, often known as fibrous tissue, is one of these four. The mesenchyme, which is derived from the mesoderm, the intermediate embryonic germ layer, is where it develops. Every part of the body, including the nervous system, has connective tissue that lies in between other tissues.
The three meninges, which are connective tissue-based membranes that surround the brain and spinal cord, are made of.
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A 2 column table with 4 rows. Column 1 is labeled Shade with entries 1, 2, 3, 4. Column 2 is labeled Observed with entries 8, 11, 15, 19. Column 3 is labeled Expected with 4 blank entries.
What is the chi-square value? Round to the nearest hundredth.
(
)
Answers
Answer: 5.19 && 5.18
Explanation:
I just took the test
Answer:
The answer is 5.31
Explanation:
I got it wrong on edge and that showed up
Known functions of proteins normally present in plasma include all of the following except Group of answer choices buffering. emulsification of fat. transport of iron and copper. oxygen transport.
Answers
The known functions of proteins normally present in plasma include all of the following except emulsification of fat.
Plasma is the liquid part of the blood that is rich in proteins and is a pale-yellow liquid component of blood that holds the blood cells in whole blood in suspension. It is the liquid portion of the blood that carries the blood cells along with various other materials such as electrolytes, waste products, nutrients, hormones, and gases.
Among the known functions of proteins that are usually present in plasma include:Oxygen transport.Buffering.Transport of iron and copper.However, emulsification of fat is not one of the known functions of proteins that are usually present in plasma. Rather, emulsification of fat is a process that involves bile, an emulsifying agent produced by the liver and stored in the gallbladder.
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What's the function of incisors and canines
Answers
Canines : tears down the food into further smaller pieces
How might an environment different from the one you experienced have affected the development of personality characteristics that you believe you inherited from one or both of your parents?
Answers
Answer:
The environment has a great impact on our behavior and personality traits which were believed to be inherited from the parents.
Explanation:
Each of the parents contributes 50% of the offspring DNA, and your inherited genetic makeup may have an impact on your personality. It is frequently asserted that our environment has a greater influence on our personality than our genetics. The adaptability of our capacities, cognitive abilities, and social interests accounts for a large part of our personality. Only via our interactions with our surroundings can we gain the flexibility that forms us.
Yes, our genes are passed down to us, yet it has been proposed that they have no bearing on our behavior.
As a result, a kid is born into a situation that prompts them to react as specified in birth order stereotypes, and therefore our personality has been shaped by our surroundings. However, there is little scientific evidence to back up this theory, therefore it's possible that personality is determined by genetics.
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