The nurse is taking a history on kumar, who informs her that he has an allergy to adhesive tape. when the nurse asks kumar to describe his reaction to the tape, he describes it as "blotchy and reddened." what type of allergic reaction is this?
which macromolecule makes up the majority of the cell membrane?
A.) nucleotide
B.) lipid
C.) protein
D.) carbohydrate
Answer:
B-Lipids
Explanation:
Galen's new baby is scrunching up her face, breathing irregularly, making little sounds, and moving her eyes rapidly back and forth under closed lids. galen asks you if this means the baby is waking up. from what you know about sleep cycles, your best answer would be _____.
Galen's new baby is likely in a phase of REM sleep, which is characterized by rapid eye movement, occasional body twitching and irregular breathing. This phase doesn't indicate the baby is waking up.
Explanation:Based on the behavior Galen's new baby shows - scrunching up her face, breathing irregularly, making little sounds, moving her eyes rapidly back and forth under closed lids - it appears that she is probably in an REM (Rapid Eye Movement) sleep phase, not waking up. This phase of sleep is characterized by such eye movement and occasional body twitches. Babies spend a lot of time in REM sleep, which is crucial for the extraordinary brain development happening in their early life.
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A client who has been having recurrent attacks of severe abdominal pain over the past few months informs the physician about a 25-pound weight loss in the past year. the nurse attributes which factor as the most likely cause of this weight loss?
What evidence would prevent scientists from classifying viruses as living organisms?
The evidence would prevent scientists from classifying viruses as living organisms that would need the scientists to see the organisms as per their phylogeny relationship.
What is the name of any living fossil ?
The name of a living fossil are the sedimentary rocks such as with the multiple impressions with it.
Viruses are not made out of cells such that they can't keep themselves in a stable state as they don't grow such that they can't make their own energy as even though they definitely replicate and adapt to their environment, viruses are more like androids than real living organisms.
Proteins help to diagnose the structures of the species via the type of structures that are present in the structure in order to view the types of structures that are present in it.
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The correct option is A (i) and (iii)
Viruses are the smallest among all microorganisms.
Lack of cellular structure
Viruses lack a cellular structure and the cellular machinery needed to make proteins by themselves.Inability to maintain homeostasisViruses do not maintain homeostasis.Inability to reproduce on their ownViruses can only reproduce after they have invaded the cells of another organism.Inability to use their own energyOutside of a host cell, viruses do not use any energy and only become active when they come into contact with a host cell.Once activated, they use the host cell's energy and tools to make more viruses.
Correct question is : Which of the following statement(s) is/are true about viruses?
i. Viruses are the smallest among the microorganisms
ii. Viruses can live freely
iii. Viruses use the host cell to reproduce
iv. Viruses do not have DNA or RNA
A. i and iii
B. ii and iv
C. i
D. iii and iv
PLEASE HELP ASAP!!!!
The image is an energy pyramid for a particular food chain.
The amount of energy received by the macaws will be ______.
1. 56,000 Cal
2. 560,000 Cal
3. 560 Cal
Macaws are captured and kept as pets. If the number of macaws decreases because of excess capture, the amount of energy received by the ocelots will be ______.
1. More than 5,600 Cal
2. Less than 5,600 Cal
3. Equal to 5,600 Cal
Which of the following is an example of a disease that is properly matched with one of its environmental risk factors?
Hypertension—parents' genes
Arteriosclerosis—family history
Hemophilia—poor nutrition
Anemia—iron-deficient diet,
Answer:
The answer is D
Explanation:
Explain the fluid-mosaic model of membranes. how are proteins found at membranes described? what types of side chains would be found in regions of proteins that interact with phospholipid tails?
Prokaryotes reproduce rapidly and this allows genetic variation to spread quickly through a population. what two processes can create variations in prokaryotic populations?
The opening between the right atrium and the right ventricle is controlled by the
List three things needed for microorganisms to grow and reproduce
For microorganism to grow and form a population, they require both chemical and physical requirements. The chemical requirements required are gas such as oxygen and also mineral elements. The elements that are required are nitrogen and phosphorous. The physical elements required include the temperature of the environment. According to temperature organism are classified into three groups. Psychrophilic microorganisms are found in the cold temperatures, mesophilic are the ones which are found in the moderate temperatures and the thermophilic are found in areas with high temperatures.
Microorganisms require nutrients, moisture, and an appropriate temperature range to grow and reproduce. These conditions facilitate the exchange of matter with the environment, which is vital for their life processes.
Explanation:To ensure their growth and reproduction, microorganisms require certain conditions to be met. Three crucial things they need are:
Nutrients: Microorganisms need food, just like all living organisms. These nutrients can come from various sources, depending on the type of microorganism.Moisture: Water is essential for the biochemical reactions necessary for microbial growth.Appropriate temperature: Each microorganism has an optimal temperature range that supports its growth and reproduction.By having access to these basic needs, microorganisms can exchange matter with the environment, which is critical for them to grow, reproduce, and maintain organization.
i need this asap!
For the location and geologic periods represented by these rock layers, the most drastic and sudden change in life forms occurred at the end of the _______ geologic period.
A.
Carboniferous
B.
Devonian
C.
Cambrian
D.
Silurian
According to the endosymbiotic hypothesis why did the large cell not destroy the small aerobic cell they engulfed
After the delivery of her child, the mother went to the _________ unit of the hospital.
What are chemical mechanisms that start a reaction
if you flip a penny 99 times and each time it came up heads then the chance of the penny coming up heads is ___
a.1%
b.50%
c.25%
d.100%
What are some factors of diseases that researchers look at in deciding whether or not a disease is appropriate for gene therapy?
Why can benedict's solution be used to distinguish between glucose and sucrose?
a.glucose is a carbohydrate, and sucrose is a protein.
b.benedict's solution will release carbon dioxide bubbles from sucrose, but it cannot release carbon dioxide from glucose.
c.glucose is a reducing sugar, and sucrose is not a reducing sugar.
d.benedict's solution turns orange in the presence of sucrose, but remains blue in the presence of glucose. submit for grading save and finish later?
The liquid portion of blood that comprises 55 of the blood's volume is called
How did the increased availability of atmospheric oxygen affect the evolution of the eukaryotic cell?
Which type of muscle tires quickly during exercise. smooth muscle breathing muscle skeletal muscle cardiac muscle?
In pea plants, tall (T) plants are dominant over short (t) plants. If a heterozygous (Tt) pea plant is crossed with a homozygous dominant (TT) pea plant, all of the resulting pea plants should be tall (TT or Tt). Each plant will receive a dominant allele from the homozygous dominant plant, while they could receive either a dominant or recessive allele from the heterozygous plant.
The fact that each plant gets only one allele from each parent plant is detailed in the law of _______.
A.
genetic inheritance
B.
multiple alleles
C.
independent assortment
D.
segregation
Answer: d. segregation
Explanation: i did it:)
The fact that each plant gets only one allele from each parent plant is detailed in the law of segregation. The correct option is D.
What is law of segregation?The law of segregation, also known as Mendel's first law, explains how pairs of alleles segregate during gamete formation in parents and recombine during fertilisation to form the genotype of offspring.
According to the law, two alleles for each gene segregate from each other during gamete formation, so that each gamete receives only one of two alleles.
This segregation ensures that each offspring inherits only one allele from each parent, and it serves as the foundation for the dominance and recessiveness principle, which states that one allele may mask expression of another.
The law of segregation explains how, in the given scenario, the offspring of a cross receive only one allele from each parent, resulting in all offspring being either Tt or TT and exhibiting the dominant phenotype of tallness.
Thus, the correct option is D.
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Studies conducted in England during the industrial revolution have shown that children born to poor families were on average shorter than those born to wealthy parents. The most likely explanation for the difference in height is difference in
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What prediction can you make about the impact of these threats on the resident populations versus the transient populations?
A) The resident populations are more likely affected by these threats because of their proximity to shore.
B) The resident populations and the transient populations are likely to be equally affected by these threats.
C) The transient populations are more likely affected by these threats because of their distance from shore.
D) Neither the resident populations nor the transient populations are likely to be affected by these threats in the future.
Answer: A) The resident populations are more likely affected by these threats because of their proximity to shore.
Explanation:
All of these threats are higher in coastal regions.
As contaminants usually reach the ocean through rivers or because of coastal cities, the highest degree of pollution is there. All chemicals will accumulate in this region first, before they disperse into the offshore region. This is also caused by the fact that the coastal waters have a lower volume and surface area than the offshore which results in a higher degree of contamination.
Vessels are very similar to contaminants, as the number of vessels is highest in coastal waters, where ports are also placed. Vessels spread over large areas in offshore waters will gather in coastal waters as they enter the port. Recreational vessels not suited for open ocean are also numerous here.
Prey availability also is lower in coastal regions due to human activities such as pollution and fishing (which decreases the prey population), as well as vessels (which may scare the prey away or deteriorate their habitat).
Answer:
A Resident populations are more likely affected by these threats because of their proximity to shore
Explanation:
just took the test and got it right
Which of the following statements is true about the function of DNA in the body?
a.
DNA transfers cell products.
b.
DNA confers structure on the cell.
c.
DNA makes enzymes work more efficiently.
d.
DNA stores the information needed to make protein.,
DNA stores genetic information to make proteins in the body.
True statement about the function of DNA in the body: d. DNA stores the information needed to make protein.
DNA serves as the blueprint for cell structure and physiology, containing genetic information required for protein synthesis. This information is crucial for building structural proteins, enzymes, and all cellular components.
DNA's primary function is to store genetic information and direct the synthesis of proteins necessary for cell growth, reproduction, and cellular functions.
Which sentence best describes the bioremediation of pollutants?
(A) Bacteria are used to decompose an oil spill.
(B) Detergents are added to water to break down oil.
(C) An oil spill is ignited and allowed to burn.
(D) An oil spill is vacuumed off the surface of the water.
Answer:
The correct answer is option A, Bacteria are used to decompose an oil spill
Explanation:
Bioremediation is a process which occurs either naturally or is mechanically introduced to consume/breakdown the environmental pollutants to reduce the concentration of hazardous waste at a contaminated site. It is usually done in a non-sterile environment in such a way that the microorganisms which are introduced in it get adapted to the local ecosystem.
Some common application of bioremediation technology involves on- or off-site treatment at surface or in situ treatment.
1. Which of the two types of erosion occurs due to the activities of man?
A. Geologic erosion
B. Accelerated erosion
2. Erosion can be caused by: ( choose three )
[ ] solar radiation
[ ] water
[ ] alpine/ snow avalanches
[ ] glaciers
[ ] wind
3. what type of best management practices would/should be used in places where ground is sloped? Chose all that apply
[ ] terraces
[ ] crop rotation
[ ] windbreaks
[ ] gas waterways
[ ] contour
4. The “Dust Bowl” event of the 1930s occurred in what Region of the United States?
5. The mass soil erosion that occurred during the Dust Bowl event was caused by several contributing factors. Choose all that influenced this strategy
[ ] decades of settling and farming had left tilled soil bare to the wind
[ ] severe drought was affecting the entire region
[ ] wild herds or buffalo over grazed the plains
[ ] native grasses had been removed for farming
6. True or false: scientists believe that over grazing and inappropriate farming economies can make the air above the ground drier and warmer— and therefore less likely to generate rain clouds, thus influencing drought in a region.
A. True
B. False
1) Accelerated Erosion
2) B, C, D
3) Terraces, Contour Cultivation
4) Great Plains Region
5) A, B, D (C is wrong, I chose that one and missed)
6) True (This doesn't mean that C is right in the above answer, it is still wrong. Learned that the hard way)
I just took this test and found the correct answers
Which best describes the role of a negative feedback loop?
The answer is A i know you got this already it's 2019 now.
what are the most common uses of fish in the world? select all that apply.
source of diet protein for human
bones are ground up and mixed into certain plasters
food supplement for livestock,pets, and hatcheries
extracted oils are used to produce glue,lubricants, and ink
select all that apply.
Answer:
source of diet protein for humans
food supplement for livestock, pets, and hatcheries
extracted oils are used to produce glue, lubricants, and ink
Explanation:
Answer:
Explanation:
source of diet protein for humans
food supplement for livestock, pets, and hatcheries
extracted oils are used to produce glue, lubricants, and ink
The role of active cytotoxic t cells is to attack __________. the role of active cytotoxic t cells is to attack __________. extracellular viruses and bacteria body cells that have been infected circulating proteins complement proteins circulating antibodies