Answer:
False. The driving for is the partial pressure gradient of O2 (PO2 difference), not the PCO2 gradient.
However, keep in mind that an increase in PCO2 can facilitate the unbinding of oxygen from hemoglobin. This is due to a decrease in pH associated with PCO2 increase. The H+ ions bind to hemoglobin and decrease it's affinity for oxygen, this is called the bohr effect. But the PCO2 is not the main driving force of oxygen unbinding.
Which name is most accurate, a cougar, a puma, a mountain lion, or a panther?
Actually, all of these are common names for this animal. So why is it best for
scientists to use the scientific name from the standardized taxonomic system when
discussing Puma concolor?
All scientists will be using one name for mountain lions is why it is best for scientists to use the scientific name from the taxonomic system.
What is Taxonomic system?This involves the process of naming, defining and classifying organisms based on shared characteristics.
Mountain lions having just one name helps to prevent confusion and is why it is best to use the scientific name from the taxonomic system.
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Answer:
All scientists will be using the same name no matter where they live is your answer.
Explanation:
It is because it is a universal language among scientist (binomial nomenclature) It is important that everyone calls animals the same name (in science) so they dont get confuesed and waste time when they could be making discoveries.
Laws of inheritance
Explain the difference between a theory and a
law.
DONE
Answer:
Although theories and laws explain various concepts in science, there is a definitive difference between theory and law. Theory explains why something happens whereas law describes what happens when certain conditions are present. This is the key difference between theory and law.
Explanation:
i hope i was helpful
Examine the food web below. Which organisms in the food web are primary consumers? Oak Tree Caterpillar Eagle Mountain Lion Aphid Sparrow For Dragonfly Trout Bear Minnow K Algae
Answer:
Caterpillar, Aphid, and Minnow
Explanation:
A primary consumer is an herbivore that feeds on plants
What is change over time?
A. adaptation
B. evolution
C. mimicry
D. fitness
Answer:
evolution
Explanation:
areas of cover that connect isolated habitat are called __
a. habitat connectors
b. patch links
c. tree belts
d. wildlife corridors
Answer:
d. wildlife corridors
Explanation:
Answer:
d. wildlife corridors
I will mark brainiest
Answer:
A
Explanation:
Not written in good English, and uses the comparative or superlative adjective wrongly.
Answer:
A.
The correction to A. is Georgia was the youngest of the choir. because it uses the word most which is not nessescary to put there unless we are saying something like this example, That is the most retorical question I've ever heard, Anna.
Select the correct answer.
A patient comes into a doctor's office because he has been experiencing diarrhea and vomiting for three days. Which of the following would indicate that antibiotics are an appropriate treatment for this patient?
A.
Diagnostic testing shows that the patient is infected with S. enteric bacteria.
B.
Diagnostic testing shows that the patient is running a fever of more than 101°F.
C.
The patient became ill after drinking water from a lake while he was camping.
D.
The patient has several family members that are exhibiting similar symptoms.
Answer:
A; Stool culture
Explanation:
Gastroenteritis is an inflammation that affects the small intestine and stomach. Although not related to the flu, it is sometimes called intestinal flu. It is caused by an infection that can be viral, fungal or bacterial, but the most frequent is that the causative agent is a virus. An inflammation is the body's reaction to tissue damage or infection. The affected area becomes red, hot, with an increased blood flow and is often painful.
The stool test is done to confirm the type of infection that is causing gastroenteritis. In the fecal sample, rapid tests for viruses, such as rotavirus or adenovirus, can be performed, as well as bacterial culture, which allows observation and evaluation under the microscope. In the fecal sample it is also possible to perform an immunological examination, which can reveal the eggs of parasites that may be causing the disease. For this reason, we can say that it is likely that the doctor shown in the question above will use the stool test to confirm the diagnosis.
Name three adaptations that helped plants survive on land, and describe how each of them helped.
Answer:
Plants have evolved several adaptations to life on land, including embryo retention, stomata, and vascular tissue
30. The Asian country Georgia had a 2008 birthrate
of 11 and a death rate of 10. What was the PGR
of Georgia in 2008?
A. 1 percent
C. 1.1 percent
B. 0.11 percent
D. 11 percent
Answer: 1 percent
Explanation: Natural decrease occurs when death rate is greater than birth rate. This means that more deaths occur in a population than babies are born so population numbers decline. For several important causes of death, rising incomes and a variety of social programs have accompanied significant reductions in mortality. Higher incomes make possible the use of expensive medical technology and are correlated with less smoking than lower incomes.
Mutations in which of the following genes lead to transformations in the identity of entire body parts?
A) morphogens
B) segmentation genes
C) egg-polarity genes
D) homeotic genes
E) inducers
Answer:
D) homeotic genes
Explanation:
Every organism has a unique body pattern. Although specialized body structures, such as arms and legs, may be similar in makeup (both are made of muscle and bone), their shapes and details are different. While an embryo grows, arms and legs develop differently due to the actions of homeotic genes, which specify how structures develop in different segments of the body. A mutation in these genes would lead to drastic changes in body morphology
You would use pediatric aed pads for which children?.
Answer:
Pediatric defibrillation pads differ from adult pads by adjusting the energy level that is put out by the AED. These pads should be used for children under 55 lbs (typically under 8 years old), while adult pads should be used for individuals over 55 lbs (older than 8 years old).
Explanation:
the analogy are are working on comparing viral and replication with the making a product in a factory. In what ways does the analogy not hold true?
The analogy does not hold true for the control of virus multiplying, in the viral replication with the making of product in a factory.
What is viral replication?The development of biological viruses throughout the infection process in the target host cells is known as viral replication. Before viruses replicate, they must first enter the cell. The virus keeps infecting new hosts by producing several copies of its DNA and packaging these copies.
Thus, the analogy does not hold true for the control of virus multiplying, in the viral replication with the making of product in a factory.
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healthy soil is able to provide all the nutrients that support plant growth and to do so year after year what biotic or a abiotic factor directly supplies these nutrients
Answer:
Expl A. Microorganisms that live in the soil or on plant roots
B. Water from rain or melted snow
Explanation: Soil is the base for plants to grow. A soil is termed as healthy soil which contains all the biotic and abiotic factors that are essential for the plant growth.
Biotic factors : Biotic factors include all the necessary living organisms that promote plant growth. Biotic factor mainly include bacteria , fungi , protozoa , algae etc.
Microorganisms made Symbiotic relationship with plant. They provide plant essential nutrients and plant provide them shelter.
Abiotic factors : Abiotic factors include non living factors such as air , water , sun light etc.
Water is most important abiotic factor for healthy soil. Water helps plant to transport essential nutrients present in soil through the plant. Water also gives plant stability in the soil.
Melted snow can also be used in place of water.anation:
Given the unit,identify the measurable property.
P= pressure exerted by the gas is atm, and V= total volume occupied by the gas is L.
What are measurable properties?Another characteristic of gas that can be measured is pressure. We are aware that the force a gas exerts on the container's walls per unit area in all directions is known as pressure. Additionally, any gas exerts pressure due to the kinetic energy of its molecules.
T= temperature of the gas is K
n= number of moles of the gas is mol
m³= The metric unit for measuring volume is the liter (L), and the cubic meter (m3)
pascal = newton per meter square.
Therefore, T stands for temperature, which is the unit used to express how hot something is. Degrees Fahrenheit (°F), degrees Celsius (°C), and Kelvin (K).
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What is the difference between an introduced and an invasive species?
a) An introduced species is new to the ecosystem; an invasive species has been there a long time.
b) An introduced species is brought in on purpose; an invasive species is brought in by accident.
c) An introduced species is not necessarily harmful to the environment; an invasive species has a negative effect.
d) An introduced species is added in by humans; an invasive species enters new ecosystems on its own.
An introduced species is added in by humans; an invasive species enters new ecosystems on its own.
What causes the red pigment to escape from beetroot cells?
Answer:
These pigments are a useful indicator of membrane fluidity as they are typically contained within the vacuole of intact beetroot cells. An increase in membrane fluidity will cause the pigment to leak out of the cell, and the amount of pigment can be measured simply by using a colorimeter.
Which of these disorders is when the pancreas does not produce enough insulin?.
The graph represents the population trends for insects and the climatic factors during each month in an ecosystem.
Which conclusion does this graph support?
A The number of insects was fewer in October when there was a drop in the relative humidity and rainfall.
B The number of insects was higher in February when there was a drop in the average temperature and rainfall.
C The number of insects was fewer in December when there was a rise in the average temperature and relative humidity.
D The number of insects was higher in March when there was a rise in the average temperature and relative humidity.
Answer:
B
Explanation:
I would say B is the only one this supports. A is incorrect because there is not a drop in relative humidity in October. C is incorrect because there is not a rise in humidity. D is incorrect because the number of insects isn't higher in March, it's lower.
Venn diagrams are used for comparing and contrasting topics. The overlapping sections show characteristics that the topics have in common, and the sections that are unique to each topic show the characteristics that apply to only that topic. This Venn diagram is comparing longitudinal waves and transverse waves.
Where is the error in this Venn diagram?
“Parallel” and “Perpendicular” are switched.
The spring descriptions of motion are switched.
Particles travel along the wave in longitudinal waves.
Particles move long distances in transverse waves.
Answer:
The commonality between the two waves is that they; “Carry energy” and “Follow a pattern”.
A wave is defined as a disturbance along a medium that transfers energy. Mechanical waves require a material medium for propagation while electromagnetic waves do not require a material medium fro propagation.
At the center of the Venn diagram, there ought to be something that is common to both of the types of waves and that is the fact that they both “Carry energy” and “Follow a pattern”.
Hence, what is common is that all the waves carry energy.
Explanation:
Answer d
Explanation:
Which of the choices below is not an essential role of salts in the body?.
Which action would best help a person prepare for a hurricane?
A. Dressing warmly
B. Making an evacuation plan
C. Stocking up on reading materials
D. Making a healthy meal plan
Answer:
B. Making an evacuation plan
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Which of the following questions can be answered by science?
1. Why is land use more important than water use?
II. Why do human activities affect land?
III. What factors influence food likes and dislikes?
The first question can be answered by science due to its logical features and characteristics of the question.
Why is land use more important than water use?The above question is answered through science because this is a logical question and we know that science answers questions logically and experimentation.
So we can conclude that the first question can be answered by science.
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The openings of the two ureters and the urethra form the boundaries of a smooth area called the __________ on the floor of the urinary bladder.
Answer:
The answer is: Trigone.
A large portion of precipitation in the rainforest occurs as a result of _______. a. perspiration b. respiration c. oxidation d. transpiration
Answer:
D
Explanation:
What are generated during the Krebs cycle?
A)pyruvate molecules
B)glucose molecules
C)electrons
D)electron carriers
Answer:
Pyruvate molecules should be the answer
How can evidence of evolution be determined from a fossil record.
Answer:
Fossils provide solid evidence that organisms from the past are not the same as those found today; fossils show a progression of evolution. Scientists determine the age of fossils and categorize them all over the world to determine when the organisms lived relative to each other.
Explanation:
Which of the following are true of fair trade?
1. Workers earn a fair wage
II. Workplace conditions are good
III. All production cost is paid for
IV. A trade deficit is created
A. I, II, III
B. II, III, IV
C. I only
Evidence of which structure or characteristic would be most surprising to find among fossils of the ediacaran fauna?.
Answer:
The formation of anterior and posterior (head and tail) ends promoted a phenomenon called cephalization.
Explanation:
Environmental Impact Assessment #1
5
Considering the country's resources and its goals (for example, to minimize CO2 production), which of the following would be the most
environmentally sound energy choice for them as they build new power plants for more electricity generation?
O Anthracite coal, because they already know how to operate a plant that runs on it and they can buy coal from their neighbors.
O Hydroelectric, because it produces no CO2 and they have many rivers of their own that they could dam.
Wood, because
they have lots of forests which are potentially renewable and people could make money by cutting wood and selling it to the
power company.
Natural gas, because it produces less CO2 than any other fuel and they could purchase it from neighboring countries,
The country's resources and goals depend on the nature of electricity generation, CO2 emission, solar production, development of dams, etc.
What do you mean by Resources?Resources may be defined as useful or valuable possession or the quality of a country that are consumed as stocks.
Considering the country's resources and its goals, the most environmentally sound energy choice for them as they build new power plants for more electricity generation is that it produces no CO2 and they have many rivers of their own that they could dam.
Therefore, it is well described above.
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In a relaxed skeletal muscle, actin is not chemically bound to.
Answer:
MYOSIN
Explanation:
are a superfamily of motor proteins best known for their roles in muscle contraction and in a wide range of other motility processes in eukaryotes. They are ATP-dependent and responsible for actin-based motility. The first myosin to be discovered was in 1864 by Wilhelm Kühne.