you are testing a new blood glucose monitor. every sample that you take gets a reading of 80. which of the following terms best describes the monitors readings?
Answer:
the monitor is reliable but there is not enough info. to comment on validity
Explanation:
The monitor is consistent - which is reliability, but you can't be sure the results it is returning are correct based on the question, so validity can't be determined.
whats 200 to the power of ten
Answer:
1.024e+23
Explanation:
which of these is a pure substance that cannot be broken down by a chemical reaction?
Answer: Element
Explanation: An element is a pure substance that cannot be separated into simpler substances by chemical or physical means.
Each element has unique physical and chemical properties.
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Is water abiotic or biotic?
Answer:Abiotic
Explanation:
There are two categories of these factors: abiotic and biotic. Abiotic factors are the non-living parts of the environment that can often have a major influence on living organisms. Abiotic factors include water, sunlight, oxygen, soil and temperature.
A new fossil called Darwinius was discovered in Germany. It lived around 47 mya. It had a small brain, short snout, and postorbital bar. Its diet probably included a lot of fruit and leaves. It did not have a dental comb. It had nails instead of claws and was probably an arboreal quadruped. Researchers disagree about whether the fossil is more similar to living haplorhines (the group that includes tarsiers, Old and New World monkeys, apes, hominins) or more similar to strepsirrhines (lemurs, lorises)
Required:
a. Describe two features that the fossil shares in common with living haplorhines.
b. Describe two features that the fossil shares in common with living strepsirrhines.
Explanations:
Darwinius is also known as Ida. some scientists have grouped it to be a member of the adapiforms. it's remains were unearthed in Germany. it is regarded as a female because it's skeleton lacks baculum.
Instead of claws darwinius have nails. they could be classified as transitional fossils due to its links with living strepsirrhines and also living haplorhines
similarities with haplorhines:
1. they share similar body structure and tail, also their nails are similar
2. there feeding is almost the same in terms of diet they are carnivores.
similarities with strepsirrhines:
1. they are both mammals
2. they have close body structure and also almost same tail
What’s the correct order?
How many essential amino acids must be obtained from food?
a)8
b)20
c)12
d)26
Answer:
I believe the answer is c)12
Answer:
8 or 9
Explanation:
5. What happens to the force between the two spheres of the same
mass when the distance the mass Spheres is halved?
Answer:
The force of gravity on each object increases with the square of the inverse distance as they fall together, and hence so does the acceleration. For example, if the distance is halved, the force and acceleration are quadrupled.
Explanation:
What type of organic compounds store the most energy per molecule?
lipids
O carbohydrates
O proteins
O nucleic acids
O Lipid Acids
Answer:Lipid Acids
Explanation:
What are three reasons that organisms interact?
Answer:
mating, competition for food resources, defense, and assertion of dominance.
Explanation:
The three reasons that organisms interact are
For the purpose of matingCompetition for food resourcesDefenseThe above mentioned reasons are responsible for interaction of organisms.
What are the reasons for interaction of organisms?There are several reasons for interaction of organism and the most important reason is for survival.
Organisms also interact for the process of reproduction due to which they reproduce their own young ones.
Organisms also interact for the purpose of food and other essential requirements to survive.
Organisms are capable of growth,differentiation,reproduction,maintenance and response to stimuli.
Therefore,The three reasons that organisms interact are
For the purpose of matingCompetition for food resourcesDefenseThe above mentioned reasons are responsible for interaction of organisms.
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Are hexane and cyclohexane isomers? Why or why not?
Answer:
No, they are not isomers
Explanation:
"The molecular formula of cyclohexane is C6H12 while of hexane, it is C6H14. The isomers are those molecules which have same molecular formula. Hence on this bases, the above two are not isomers"
Cellular (aerobic) respiration takes place in the presence of and with the use of a certain element.
Which element is it?
carbon dioxide
water
sunlight
oxygen
Answer:
It's oxygen
Explanation:
The oxidation of glucose takes place which simply means burning in oxygen. So...
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Filled-in symbols in the pedigree that follows designate individuals suffering from deafness.a. (2 points) Study the pedigree and explain how deafness is being inherited.b. (2 points) What is the genotype of the individuals in generation V
Answer:
According to the pedigree, It is clear that the F1 generation is not affected but their offspring are affected in F2, which explains that the deafness presented with the pedigree is recessive. It should be an Autosomal recessive inheritance as it is found in both male and female offsprings.
As it is found that the parents are affected in 5th gen and 6th generation but their offspring are not affected which means there must be more than one genes controlled this disorder
B. In 5th generations mentioned above offspring is unaffected but parents are affected, to find the genotype of the individual let assume there are two genes responsible for it A and B, and mutation in any one of them can result in deafness.
So in IV generation Individuals 5 and 6 have genotypeAAbb and aaBB; both are deaf.
gametes:- Ab & aB.
So, the genotype of all offsprings will be AaBb means all are normal.
Deafness is an autosomal recessive disorder as the first generation is unaffected and the genotype of the fifth generation is AaBb.
What are pedigree and genotype?Pedigree is a chart representation of the phenotype of specific genes of the organism and its inheritance from the ancestral family. The pedigree can be used for the analysis of the heritable disease and illness in the family root.
The deafness illness in the pedigree is recessive as the first generation of the pedigree remains unaffected but the later generation is affected and is diseased.
From the chart, deafness can be said to be an autosomal recessive disorder as some generations are unaffected and in some the disease is present. More than one gene is controlling the disease as the fifth and sixth generations are affected but not their offspring.
The parent of the fifth generation are affected but their progenies are normal to know the genotype let's assume the genes A and B to be responsible for the disease and the mutation in any one of the alleles will result in deafness.
Hence, the genotype of the parents 5 and 6 in the fourth generation will be AAbb and aaBB as both of them diseased or deaf, the offsprings produced from their cross will be AaBb that is all the offspring of the fifth generation will be normal and unaffected.
Therefore, the genotype of the fifth generation in the pedigree is AaBb.
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Can somebody help me match them
why are humans not an invasive species
Answer:
Originally Answered: Are humans considered an invasive species? No, because the term is generally applied only to species that were introduced to an ecosystem and cause harm. Humans were not introduced to any ecosystem. Instead, humans underwent what is called a 'natural range expansion.
Explanation:
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Hello!
They are not an invasive species because the term is generally applied only to species that were introduced to an ecosystem and cause harm. Humans were not introduced to any ecosystem. Instead, humans underwent what is called a 'natural range expansion.
3. Which of the following statements explains the importance of carbon in cells? (Choose all that apply
carbon is a waste products for a cell.
i just took the test
The statement that explains the importance of carbon in our cells is that carbon affects the function of the cell. So the correct option is A.
What is the importance of carbon?
The most common chemical element present on our Earth is carbon. It has the symbol C and an atomic number of 6. The carbon atom is a member of the fourteenth group present on the periodic table.
The word carbon is derived from the Latin word 'carbo', which means coal. Carbon is also the 15th most abundant element that is present in the crust of the Earth. On the earth, carbon is the fourth most abundant element ranked after hydrogen, helium, and oxygen.
Carbon atoms, when bonded together in different ways, are called as allotropes of carbon. Diamond, graphite, and amorphous carbon are the three allotropes of carbon.
They have different properties. Graphite is one of the softest known substances while diamond is the hardest known substance.
Therefore the correct option is A.
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Paleomagnetism is..
A. The equipment tied to boats to measure their depths
B. The rock that solidifies from mid ocean ridges
C. The evidence that fossils across continents matched
D. The study of the magnetic qualities of ancient rocks
Answer:
C. The evidence that fossils across continents matched
Explanation:
Large areas on the leaves of some plants lack chlorophyll and are therefore not green in color. How does this most likely affect photosynthesis? Not enough sunlight is captured in these areas of the leaves. Carbon dioxide cannot enter these areas of the leaves. Too much glucose builds up in these areas of the leaves. Oxygen cannot be released in these areas of the leaves.
(Not enough sunlight is captured in these areas of the leaves)
The plants are of green color due to the pigment chlorophyll. the chlorophyll plays a crucial role in photosynthesis, the process of preparing food.
The correct answer is:
Option A. Not enough sunlight is captured in these areas of the leaves.
The functioning of chlorophyll can be explained as:
Chlorophyll is the green color pigment present in the chloroplast of the leaves. The pigment is involved in the capturing of sunlight and imparting green colors to the plants. The plants lacking chlorophyll will not be able to perform photosynthesis. The process of preparing food in the presence of sunlight, chlorophyll, and carbon dioxide. The products of photosynthesis are oxygen and sugar molecules.
Thus, the correct answer is Option A.
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Which surface erosion event does the most short-term damage?
Answer:
splash erosion.
Explanation:
Which of the following kinds of questions cannot be answered within the limits of science?
Fill in the word that completes each sentence.
Food contains a sugar called
which is broken down in a process called cellular
This process uses
to break down food molecules and provide energy for cells.
Intro
Done
Answer:
The correct answer is - glucose, respiration and oxygen in order.
Explanation:
The food we eat contains various nutrients mainly, carbohydrates, protein, and fat. The carbohydrate that is we eat has glucose as the primary product and also the substrate in the process known as cellular respiration.
Cellular respiration is a process in which glucose molecules are broken down in order to provide energy in the form of ATP with the help of oxygen. It is called aerobic respiration as it required oxygen for the complete oxidation of the substrate.
Answer:
Glucose respiration oxygen
Explanation:
Enzymes decrease the activation energy needed for a reaction.
True
False
Answer:
true false
Explanation:
Answer:
True
Explanation:
I dont really have one. But it's true.
1
2
3
4
5
Definition: This system receives and transmits information and responses. It depends upon electrical
impulses created by the movement of charged particles.
Example: The brain is part of this system.
Term:
Subm
Organization of Living S
7.L.3.B.1) Multicellular Or
L3B.2) Human Body
Hint
Answer:
System that receives and transmits information and responses, in addition to work with electrical impulses is the Nervous system.
Explanation:
The nervous system (NS) is responsible for the control of all the organs and functions of the body. The neuron is the functional unit of this system, allowing the transmission of information through nerve impulses, generated by the difference in potential of its cell membrane.
NS is divided into:
Central nervous system (CNS) —where the brain, spinal cord and other structures are located— in charge of receiving, processing and sending information. Peripheral Nervous System (PNS), a network of nerve fibers in charge of receiving the stimuli and conducting the information to and from the CNS.The integration of both NSC and NSP allows an organism to fulfill all its functions, both voluntarily and involuntarily.
what's the name of the mosquito that causes malaria? I just wanna be sure
Which of the following plant structures allows plants to take in the carbon used in photosynthesis?
Which of the following plant structures allows plants to take in the carbon used in photosynthesis?
roots
vascular bundles or veins
stomata
cuticle
chloroplasts
Answer:
Stomata
Explanation:
Photosynthesis is a unique phenomenon in certain organisms like plants. It is the process whereby they produce their food, in form of an organic compound called GLUCOSE. To synthesize this sugar, plants need a carbon source.
Plants utilize carbon dioxide (CO2), which is an inorganic carbon compound as CARBON SOURCE to synthesize glucose molecule in the process of photosynthesis. This carbon dioxide (carbon) is taken in by the plants via their STOMATA, which is a pore or opening present on their leaves.
The STOMATA opens and closes in order for gaseous exchange to occur i.e. take in CO2 (carbon dioxide), expel O2 (oxygen).
Answer:
stomata
Explanation:
edge for intro to Ag
QUESTION 1
1 pol
Which of these is an example of quantitative data?
A scientist test for the presence of starch using an iodine test that changes color if starch is present but does
not indicate how much starch is present.
O A scientist asks human subjects taking a new medication how much better they feel on a scale of 1-5.
Scientists record how a liquid smells to them at the end of an experiment.
A scientist measures the change height in plants that were watered with different levels of nitrogen
Answer:
A scientist test measures the change height in plants that were watered with different levels of nitrogen is an example of quantitative data
Which of the following parts of a plant is (are) not digestible by humans?
Explanation:
Your body is unable to digest cellulose and, as a result, it passes through your digestive tract unchanged and is eliminated in bowel movements. Bran, legumes, nuts, root vegetables and apples are particularly high in cellulose and hemi-cellulose
Think about death rates and birth rates in a population. How will
the two compare in a shrinking population?
SELECT AN ANSWER
The birth rate will be larger.
Both will be equal to one another.
Neither has an affect on the population.
The death rate will be larger.
Answer:
it will compare that neither has an affect on the population and it will also compare that both will be equal to one another.Hope this helps let me know if its wrong or not have a good day.
Explanation:
It will compare that neither has an affect on the population and it will also compare that both will be equal to one another.
What is population?The term "population" refers to all citizens who are either permanently residing in a country or who are just passing through. This indicator reveals how many people typically reside in a certain area.
Growth rates are the population changes that occur each year as a result of births, deaths, and net migration.
The total population also includes national military forces deployed overseas, merchant mariners at sea, diplomatic staff based abroad, civilian foreign nationals residing in the nation, and internally displaced people residing in the nation. Demographic tools like population predictions are frequently used.
Therefore, It will compare that neither has an affect on the population and it will also compare that both will be equal to one another.
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How is energy stored in the ATP molecule?
O in the chemical bonds holding the nitrogen base together
O in the chemical bond holding the sugar to the nitrogen base
in the chemical bonds holding the sugar molecule together
O In the chemical bonds holding the phosphate groups together
Which of the following relationships is incorrect
Chloroplast is not a site of lipid synthesis, it is the site of performing photosynthesis Therefore, option A is correct.
What are chloroplasts and their functions?An organelle found in the cells of plants and some algae called a chloroplast is where photosynthesis, the process by which solar energy is transformed into chemical energy for growth, takes place.
All green tissues in plants and algae contain chloroplasts in their cells. In photosynthetic tissues that don't appear green, such as the brown blades of gigantic kelp or the red leaves of some plants, chloroplasts are also present.
Thus, the cell wall provides support and protection to the cell, rough ER is the site of protein synthesis, the nucleus holds genetic material, and the chloroplast is the site of photosynthesis. Therefore, option A is correct.
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