which of the following scientists can be identified as a taxonomist?
Answers
Answer: Taxonomy is the science of naming, describing and classifying organisms and includes all plants, animals and microorganisms of the world. Using morphological, behavioral, genetic and biochemical observations, taxonomists identify, describe and arrange species into classifications, including those that are new to science.
Related Questions
10) What do all the different types of wetlands have in
common?
Answers
Answer:
Wetlands typically have three general characteristics: soggy soils, water-loving plants and water. Scientists call these: hydric soils, hydrophytic vegetation, and wetland hydrology. Hydric soils are saturated with water much of the time so are low in oxygen.
Breathing in too much carbon monoxide will most likely result in the production of
A) less ATP
B) less glucose
C) more DNA
D) more protein
Answers
Answer: Breathing in too much carbon monoxide will most likely result in the production of :
Explanation:
Breathing in too much CO (Carbon Monoxide) will result in the person not able to breath as the lungs are failing to get O2 (Oxygen) to breath. In cells, the production ATP (Adenosine Triphosphate) will start to decrease, resulting in the person fainting.
Hope this helps.
What is an ion in your own words but be more detailed about what you say.
Answers
which of the following is a phytoplankton?question 14 options:foraminifersradiolariandinoflagellatescopepodnoctiluca
Answers
A phytoplankton is a microscopic plant-like organism that floats in water and provides the foundation of the aquatic food chain. Among the given options, the only organism that belongs to phytoplankton is the dinoflagellates.
Dinoflagellates are unicellular protists that have two flagella and can photosynthesize to produce their own food. They are the most common type of phytoplankton and can be found in both freshwater and marine environments. Noctiluca, on the other hand, is a type of plankton that belongs to the category of zooplankton. It is a dinoflagellate that is unique because it has the ability to consume other planktonic organisms. In addition, it has bioluminescent properties, meaning it can produce light at night. Therefore, the answer to the question is dinoflagellates.
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What do bears depend on for nutrition.
Answers
Answer:
Fish and meat are important sources of protein and fat, though most non-coastal bears rely on carrion (including winter-killed animals)
Explanation:
Some bears, become very effective predators on newborn elk, moose, deer or caribou. Others live in areas where salmon, su.ckers or other fish spawn for part of each year.
When bears emerge from their dens in the spring, food is in short supply. Although bears are hungry, most trees and shrubs won’t leaf for another month and only the grass at lower elevations has begun to green up.
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what would be the advantage of using a molecular model that shows the compounds involved during cellular respiration to compare the amounts of carbon released into the atmosphere?(1 point)
Answers
Molecular models assist us in seeing chemical compounds that we cannot see with our open eyes.
Molecular models are three-dimensional visual representations of molecules. Molecular models allow us to see exactly what a molecule looks like. We can have a better grasp of the various transitions in a molecule by using a molecular model.
The advantage of utilising a molecular model that depicts the components involved in cellular respiration to compare the quantity of carbon released into the atmosphere is that it provides a visual of the process that is not visible to the open eye.
It aids in understanding the foundations of physical and chemical interactions, which are difficult to compute using experimental approaches. It also aids in the development of new theories, models, procedures, and products.
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Using a molecular model that shows the composites involved during cellular respiration to compare the quantum of carbon cycle released into the atmosphere allows a visual of the process that isn't visible to the mortal eye.
It helps understand the fundamentals of physical and chemical relations, which are delicate to calculate using experimental procedures. It also helps develop new propositions, models, processes, and products.
Since the carbon cycle is a global miracle, it can not be viewed at once. Using a model helps scientists and scholars understand how carbon moves through and impacts the terrain.
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A fish farmer has a large pool used to grow a species of fish. The farmer decides to add a second species of fish to the pool. Both fish species feed on the same type of food, but the fish farmer does not increase the amount of food added to the pool, maintaining the same carrying capacity in the pool.
Which graph shows how the population of the two fish species will change?
Answers
Answer:
D
Explanation:
Explanation: The capacity of fish to the ratio of population change increased and showed a variable degree of measurements.
A client is diagnosed with peptic ulcer due to h. pylori. the nurse would anticipate administering which agent in conjunction with an antibiotic?
Answers
The nurse would anticipate administering omeprazole in conjunction with an antibiotic for peptic ulcer due to H. Pylori infection.
Helicobacter pylori (H.pylori) is a gram-negative bacteria that is usually found in your stomach. It attacks the mucus lining of the stomach and causes damage. After the mucus lining is damaged enough, the HCl produced by the stomach enters the lining and causes sores or ulcers. This is referred to as H.pylori infection.
H. Pylori infection can lead to internal bleeding of the stomach that may be life-threatening. Other symptoms include nausea, vomiting, red, black stools, stomach pain, bloating, etc. Gastrointestinal endoscopy, CT scans, or upper Gastrointestinal Tests are usually done to diagnose the infection.
The treatment may include the use of medicines that kill the bacteria, reduces the HCl in the stomach, and prohibit HCl secretion. Antibiotics like amoxicillin, tetracycline, metronidazole, etc can be used to kill the bacteria. Omeprazole, esomeprazole, pantoprazole, etc can be used to reduce the amount of HCl. Cimetidine, Zantac 360, etc can be used to block histamine that triggers the stomach to release HCl.
The nurse when administering omeprazole with an antibiotic aims reduce the amount of HCl in the stomach as well as to kill the bacteria that causes the H. Pylori infection in the stomach.
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Which of the following is a task a forest engineer performs?
performing DNA testing on wood samples
determining costs of environmental preservation
enforcing policies on lumber harvesting and trade
pricing and selling harvested trees from clear cuts
Answers
Answer:
The answer is B (determining costs of environmental preservation)
Explanation:
Forest engineers plan/direct programs for forest harvesting, reforestation, prevention and control for forest fires, environmental protection, and insect and disease outbreaks.
Using this information, we can clearly cross of A, C, and D. Leaving us with B, which completely lines up with our information on the job.
one way to produce a vaccine is to heat a virus or bacteria and then inject the inactive pathogen as a vaccination. how would the heat inactivate a virus?
Answers
The heat inactivates a virus by denaturing proteins present in them.
An inactivated/killed vaccine is a type of vaccination that has been produced physically (heat, radiation, or chemicals) and chemically killed the culture of complete viruses or bacteria or fractions. The killed part will still have the ability to elicit an immune response.
To produce a vaccine using a virus, first, we have to culture the target virus. Then, we have to heat kill the virus to reduce its pathogenicity to infect the host cells and replicate. The application of heat denatures the protein present in the virus. So this denatured protein doesn't have pathogenicity but it will still elicit an immune response.
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Individuals with high blood pressure are at a higher risk for:OOOOstrokeaneurismheart attackAll of these choices are correct.
Answers
High blood pressure can place increased pressure on the walls of the blood vessels inside the brain, increasing your chances of developing an aneurysm. Also, it forces the heart to work harder to pump blood to the rest of the body. This causes the lower left heart chamber (left ventricle) to thicken. A thickened left ventricle increases the risk of heart attack, heart failure and sudden cardiac death. Moreover, blood vessels damaged by high blood pressure can narrow, rupture or leak. High blood pressure can also cause blood clots to form in the arteries leading to the brain, blocking blood flow and potentially causing a stroke.
So the correct answer is: All of thees choices are correct.
in haploid yeast with this dbm mutation, what is the length of the restriction fragment detected by the probe following noti digestion?
Answers
In order to determine the length of the restriction fragment detected by the probe following NotI digestion in haploid yeast with the dbm mutation, you would need to follow these steps:Identify the specific dbm mutation, Locate the NotI recognition sites, Calculate the restriction fragment length, Probe hybridization
1. Identify the specific dbm mutation: This involves knowing the exact location and nature of the mutation in the yeast genome. This information is essential in order to analyze the restriction fragment resulting from NotI digestion.
2. Locate the NotI recognition sites: NotI is a restriction enzyme that cleaves DNA at specific recognition sites. You will need to find the positions of these sites flanking the region of interest (where the dbm mutation is located) in the yeast genome.
3. Calculate the restriction fragment length: Once you have the positions of the NotI recognition sites, subtract the position of the first site from the position of the second site to determine the length of the restriction fragment containing the dbm mutation.
4. Probe hybridization: The probe will specifically bind to the complementary sequence of the dbm mutation within the restriction fragment. The detection of this hybridization event will confirm the presence and length of the fragment containing the mutation.
In summary, to find the length of the restriction fragment detected by the probe following NotI digestion in haploid yeast with the dbm mutation, you need to identify the mutation, locate the NotI recognition sites, calculate the fragment length, and confirm with probe hybridization. However, without specific information about the yeast genome and the dbm mutation, it's not possible to provide a numerical length for the restriction fragment.
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How does the extraction of energy resources change their distributions?
Answers
Answer:
Most natural resources, including fossil fuels, are not distributed evenly around the Earth. Deposits of fossil fuels depend on the climate and organisms that lived in that region millions of years ago, and the geological processes that have since taken place.
Which of the following situations is most likely to occur when biodiversity is diminished? A. Natural sources of food for humans and other animals are gained. B. Another species will fill the same niche as a species that becomes extinct. C. Resilience in the face of change increases . D. Potential sources of future medicines are lost.
Answers
The situation that is most likely to occur when biodiversity is diminished is potential sources of future medicines are lost, option D is correct.
Biodiversity loss has significant implications for human health. Many plant and animal species contain natural compounds that have the potential to treat a range of illnesses and diseases. With the loss of biodiversity, these potential sources of medicine are lost, making it more challenging to discover new treatments for various ailments.
For example, the Madagascar periwinkle plant has been used to create cancer treatments, while the Pacific yew tree contains compounds used in chemotherapy drugs. Therefore, the loss of biodiversity not only affects ecosystems but also limits the ability to discover and develop new treatments for diseases, option D is correct.
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the population of japanese sika deer in central japan was determined each year from 2005 to 2014. the sika deer population underwent logistic growth starting at 26,000 deer in 2005 and stabilized at 58,000 deer between 2012 and 2014. based on these data, the rmax r max for this population was determined to be 0.57. central japan contains a variety of habitats, including forests and grasslands. sika deer benefit from the resources in grasslands more than forests; if deforestation occurred, producing more grasslands in the region, the carrying capacity for sika deer population would increase. what would the population size of sika deer be one year after the carrying capacity increased to 70,000 as a result of deforestation? assume rmax r max does not change. responses the population would grow to 70,000 deer in a year, because they would occupy the entire environmental niche. the population would grow to 70,000 deer in a year, because they would occupy the entire environmental niche. the population would grow to 91,060 deer in a year, but then they would die off from a lack of resources. the population would grow to 91,060 deer in a year, but then they would die off from a lack of resources. the population would grow to 63,667 deer in a year, and the growth rate would decrease the following year. the population would grow to 63,667 deer in a year, and the growth rate would decrease the following year. the population would remain at 58,000 deer, since it had already stabilized.
Answers
The population would grow to 63,667 deer in a year, and the growth rate would decrease the following year.
What is population?Population refers to the total number of people or organisms of a particular group or area. It is usually measured as the number of individuals within a given area. Population size is affected by factors such as births, deaths, immigration, and emigration. Population density is the measurement of the number of people per unit area. Population growth rates can be determined by comparing the current population size to the population size in a previous period.
This is because the carrying capacity has increased to 70,000 deer, which is higher than the current population size of 58,000. This would cause the growth rate to increase initially, allowing the population to reach 63,667 deer in a year. However, as the population approaches the new carrying capacity, the growth rate would decrease, leading to a decrease in the population size the following year.
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approximately how many Northern American Caucasians out of 1,000 will be carriers heterozygous for the cystic fibrosis
Answers
Approximately 42 out of 1,000 Northern American Caucasians will be carriers heterozygous for cystic fibrosis.
This is based on the Hardy-Weinberg principle, which states that the frequency of alleles in a population will remain constant over generations unless there is mutation, migration, selection, or genetic drift.
In the case of cystic fibrosis, the frequency of the recessive allele is about 0.09, so the frequency of heterozygotes (carriers) is 2 * 0.09 * 0.91 = 0.42.
It is important to note that the Hardy-Weinberg principle is an ideal, and the actual frequency of carriers in a population may vary due to factors such as mutation, migration, selection, and genetic drift.
However, the Hardy-Weinberg principle provides a good starting point for estimating the frequency of carriers in a population.
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To be an effective therapy, an antisense gene that is incorporated into a genome that contains the target gene must be:_________
Answers
Complementary Sequence to its corresponding mRNA and the mRNA
Antisense RNAs are utilized for gene regulation and specifically target mRNA molecules that are used for protein synthesis.
What is the function of Antisense Gene ?Antisense RNAs play the crucial role in regulating gene expression at multiple levels, such as at replication, transcription, and translation.
In addition, artificial antisense RNAs can effectively regulate the expression of related genes in host cells.Antisense gene therapy is a gene silencing technique similar to RNA interference, but uses a slightly different mechanism. The therapy is called a gene silencing technique because, instead of repairing the gene, it aims to “silence” the gene's effect.Learn more about Antisense Gene here:
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Which of the following statements is TRUE?A. Transcription and translation are continuous processes in eukaryotes but not prokaryotesB. Transcription and translation are continuous processes in prokaryotes but not eukaryotesC. All of the processes occur in the same site in the cell for prokaryotes and eukaryotesD. mRNA is processed before translation in prokaryotes but not eukaryotesE. Transcription and translation are continuous processes in both eukaryotes and prokaryotes
Answers
Transcription and translation are processes that happens in both prokaryotes and eukaryotes, but in eukaryotic cells they take place in different sites than in prokaryotic cells. Therefore, C is incorrect.
In eukaryotic cells, the mRNA is extensively processed before it is ready to be translated, not in prokaryotic cells. Therefore, D is incorrect as well.
In eukaryotic cells, transcription and translation are separate processes, transcription takes place in the nucleus and translation takes place in the cytoplasm. In prokaryotic cells, transcription and translation both takes place in the cytoplasm, being a continuous process. Therefore, A is incorrect, E is wrong too and the correct answer is B. Transcription and translation are continuous processes in prokaryotes but not eukaryotes.
Which division of the nervous system is active when you cough?
A. the somatic nervous system
B. the somatic and autonomic nervous systems
C. the autonomic nervous system
D. This action is not controlled by his nervous system.
Answers
The somatic and autonomic nervous systems are the divisions of the nervous system which are active when we cough. Thus, the correct option is B.
What are the somatic and autonomic nervous system?The somatic nervous system of the brain consists of nerves which go out to the skin and the muscles and is involved in the conscious activities of the organism. The autonomic nervous system consists of nerves which connect the Central nervous system to the visceral organs such as the heart, the stomach, and the small and large intestines.
The brainstem or spinal cord is the structure, which is also responsible for controlling circulatory system and respiratory system and all the reflexes of the face and throat, such as coughing, sneezing, gagging, and blinking of eye.
Therefore, the correct option is B.
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arrange the steps of gluconeogenesis in order, from pyruvate to glucose
Answers
Gluconeogenesis is the process through which piruvate is converted into glucose. The order is 1. Carboxylation of pyruvate , 4. phosphorylation of 3-phosphoglycerate , 2. hydrolysis of fructose 1,6-bisphosphate, 5. isomerization of fructose 6-phosphate., 3. hydrolysis of glucose 6-phosphate.
What is gluconeogenesis?
Gluconeogenesis is the glucose synthesis from piruvate molecules. Any metabolite capable of being converted into piruvate can be a glucose precursor.
Gluconeogenesis steps are as follows,
1) First occurs the convertion of piruvate to phosphoenolpiruvate.
2) Phosphoenolpiruvate turns into glyceraldehyde 3-phosphate.
3) The next step is to convert Glyceraldehyde 3-phosphate into fructose 1,6-bisphosphate.
4) Then occurs the conversion of fructose 1,6-bisphosphate into fructose 6-phosphate
5) Finally, conversion of glucose 6-phosphate into glucose
The correct order is,
1. Carboxylation of pyruvate
4. phosphorylation of 3-phosphoglycerate
2. hydrolysis of fructose 1,6-bisphosphate
5. isomerization of fructose 6-phosphate.
3. hydrolysis of glucose 6-phosphate
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Complete question
Crrange the steps of gluconeogenesis in order, from pyruvate to glucose
carboxylation of pyruvatehydrolysis of fructose 1,6-biphosphatehydrolysis of glucose 6-phosphatephosphorylation of 3-phosphoglycerateisomerization of fructose-6-phosphateA population culture begins with 15 strands of bacteria and then doubles every 4 hours. This can be modeled as 15(2)^((t)/(4)), where t is time in hours. How many strands of bacteria are present at 12
Answers
At 12 hours, there are 120 strands of bacteria present.
The population of bacteria can be modeled using the equation P(t) = \(15(2)^(t/4)\), where P(t) represents the number of strands of bacteria at time t in hours.
To find the number of strands of bacteria at 12 hours, we substitute t = 12 into the equation:
P(12) = \(15(2)^(12/4)\)
P(12) = \(15(2)^3\)
P(12) = 15(8)
P(12) = 120
Therefore, at 12 hours, there are 120 strands of bacteria present.
It's important to note that the given population model assumes exponential growth, where the number of strands doubles every 4 hours. Starting with an initial population of 15 strands, the exponent in the equation (t/4) represents the number of doubling periods that have occurred. Each doubling period corresponds to 4 hours of time.
In this case, at 12 hours, three doubling periods have occurred (12/4 = 3). Starting with the initial 15 strands, each doubling period doubles the population, resulting in a final count of 15 * \(2^3\) = 120 strands of bacteria at 12 hours.
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Which of the following is an example of a non contact force
Answers
Answer:
Gravity, Electrostatic force, Magnetic force
Explanation:
A non-contact force is a force that is applied to an object by another object without contact. Gravity, electrostatic force, and magnetic force all don't need two objects to be touching in order for them to work.
On the other hand, an example of a contact force is friction, because it can only occur if two objects are touching. If you want to tell the difference between a contact and non-contact force, just ask yourself if it can occur if the two objects are not touching. If it can occur while two objects aren't touching, it is non-contact, and if it can't, it is contact.
All the options given describe a force that involves contact except for the force exerted by magnets. Thus, the correct option is C.
Magnetic force is the force exerted by magnets. It can be described as the effect exerted on a charged particle due to the magnetic field of the other particle.
It is a consequence of the electromagnetic force, which is caused due to the movement of electrically charged particles.
Two objects that are oppositely charged will have a magnetic force of attraction, whereas two objects that have the same charge will have a magnetic force of repulsion.
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Your question is incomplete. The full question probably might be:
Which of the following is an example of a non-contact force?
(a) The force exerted by us to lift a bucket
(b) push a stationary car
(c) The force exerted by magnets
(d) Force due to friction
HELP QUICK WHOEVER ANSEWRS FIRST GET 100 POINTS AND BRAINLYEST
04.03 Cell Structure and Functions Guided Notes
Objectives:
In the lesson, you will:
know the function of major organelles in plant and animal cells
compare and contrast the structure and function of major organelles of plant and animal cells
relate structure to function for the components of plants and animal cells
Big Ideas:
Key Questions and Terms
Notes
What are the two main types of cells? What is the difference between these cells?
Use the video to describe the function of each of the following cell structures:
Cytoplasm:
Nucleus:
Mitochondria:
Endoplasmic reticulum:
Ribosomes:
Golgi apparatus:
Vesicles:
Lysosomes:
Cell membrane:
What are organelles?
How are the functions of organelles in animal cells and those in plant cells similar and different?
Draw and label an animal cell.
Draw and label a plant cell.
Answers
Answer:
What are the two main types of cells?
- Prokaryotic
- Eukaryotic
What is the difference between these cells?
- Prokaryotic (no nucleus)
- Eukaryotic (contains a nucleus)
Draw and label an animal cell.
Pic included below
Draw and label a plant cell.
Pic included below
Explanation:
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Transit Time Distributions and Ventilation Pathways Using CFCs and Lagrangian Backtracking in the South Atlantic of an Eddying Ocean Model
Answers
The study titled "Transit Time Distributions and Ventilation Pathways Using CFCs and Lagrangian Backtracking in the South Atlantic of an Eddying Ocean Model" focuses on analyzing transit time distributions and ventilation pathways in the South Atlantic region using CFCs (chlorofluorocarbons) and Lagrangian backtracking.
Transit time distribution refers to the distribution of the time it takes for water masses to travel from one location to another in the ocean. It provides insights into the circulation patterns and pathways of ocean currents. Ventilation pathways, on the other hand, refer to the routes through which different water masses exchange properties such as temperature, salinity, and chemical composition.
CFCs are chemical compounds that were widely used as refrigerants and aerosol propellants. They have been extensively used as tracers to study ocean circulation because they have been released into the atmosphere and subsequently dissolved into the ocean. By analyzing the concentration of CFCs in the water, researchers can track the movement of water masses and determine their transit time.
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Originally prescribed in the late 1950s as a morning sickness pill, scientists soon realized that the drug thalidomide was causing babies to be born with a condition called phocomelia, involving the malformation of limbs during fetal development. Within 5 years of its introduction, the drug was pulled from the market because of the evidence that it was a(n) _____.
Answers
Answer:
the drug was pulled from the market because of the evidence that it was a(n) teratogen
Explanation:
Teratogens are drug or other agents that cause physical or functional bnormalities in fetuses that are exposed to such agents. A typical example is alcohol. The degree of the abnormality on the fetus depends on a number of factors which are:
the type of agentthe developmental stage of the fetusthe duration of exposurethe concentration of teratogenic agent being exposed toWhat characteristic makes marine mammals different from other marine animals?
Answers
Answer:
They must meet the characteristics of all mammals — they breathe air through lungs, are warm-blooded, have hair, and produce milk to nurse their young — while also living most or all of their lives in or very near the ocean.
Explanation:
Answer: They breathe air through their lungs.
Explanation:
Which of the following species of fish have cartilaginous skeletons?
Answers
what significance does the temperature zone have on commercial fishing
Answers
Answer:
Step by step explanation
The characteristic that allows muscles to pull on bones and organs to create movement is called ______.
Answers
Muscle contractions extend from the muscle fibers through the connective tissue, pulling on the bones and causing skeletal movement. The pull exerted by a muscle is called tension, and the force produced by that tension varies.
Muscle contraction can be described by two variables: length and tension. A muscle contraction is said to be isometric if the muscle tension changes but the muscle length remains the same. In contrast, a muscle contraction is isotonic if the muscle tension remains the same throughout the contraction. Skeletal muscles are attached to bones by ligamentous tendons, such as in the legs, arms, and face. Skeletal muscle is called striated muscle because it is made up of fibers that show horizontal stripes when viewed under a microscope.
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Which of these components are found in the DNAs of all living organisms? Group of answer choices Estrogen & Testosterone Hemoglobin & Lymphocytes Cytosine & Guanine Cellulose & Chlorophyll
Answers
Answer:
Cytosine & Guanine
Explanation:
Living organisms contain in their cell a biomolecule responsible for the storage and transmission of genetic information called NUCLEIC ACID. DNA is one of the two nucleic acids found in living cells. However, the DNA molecule is a polymer made up of monomeric units called NUCLEOTIDES.
Nucleotides of a DNA are made up of three components namely: 5-carbon sugar (deoxyribose), phosphate group, and a nitrogenous base (Adenine, Guanine, Cytosine and Thymine). Hence, based on the question, Cytosine & Guanine are the components (nitrogenous base) found in the DNA of all living organism.