What are chemical mechanisms that start a reaction
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
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.
A 19-year-old primigravida at 38 weeks' gestation, in active labor for the past 8 hours, is admitted to the hospital accompanied by her mother. on admission, the client's cervix is 5 cm dilated, her blood pressure is 120/84 mm hg, and she is breathing rapidly, feeling dizzy and light-headed. the nurse determines that the client is most likely experiencing effects of which factor?
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
According to the endosymbiotic hypothesis why did the large cell not destroy the small aerobic cell they engulfed
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.
The fibrous connective tissue that makes up the outside covering of the diaphysis is the
Answer: fibrous periosteum
The diaphysis is the main shaft of a long bone which is made up of cortical bone which contains bone marrow and fats. It is covered by a fibrous connective tissue called the fibrous periosteum. The cells in this layer are densely packed and contain blood vessels, nerve endings and lymphatic.
The liquid portion of blood that comprises 55 of the blood's volume is called
Researchers have identified a neurotransmitter called _____ that works like thc, the active ingredient in marijuana. excessive use of marijuana has been shown to reduce the production of this neurotransmitter.
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%
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?
Molecules such as polypeptides are too large to travel through transport proteins and must enter or leave cells through ____________ transport.
Prokaryotes reproduce rapidly and this allows genetic variation to spread quickly through a population. what two processes can create variations in prokaryotic populations?
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:
PLEASE HELP ME ILL MARK YOU BRAINLIEST AND GIVE YOU POINTS
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
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
In what ways are animals treated differently in sustainable agriculutre
Which best describes the role of a negative feedback loop?
The answer is A i know you got this already it's 2019 now.
Which type of muscle tires quickly during exercise. smooth muscle breathing muscle skeletal muscle cardiac muscle?
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?
Where are drainage pads most often needed during post mortem care?
Drainage pads are required during post mortem care to manage bodily fluids in areas affected by gravity or trauma, such as the mouth, nose, or any incisions. They are particularly important in forensic cases with trauma evidence to maintain the integrity of the remains for potential legal proceedings or further examinations.
Drainage pads are most often needed during post mortem care in areas where bodily fluids are likely to leak due to the effects of gravity after death. These areas can include the mouth, nose, ears, and any incisions made during an autopsy or resulting from trauma. Particularly in cases where there is evidence of trauma before or around the time of death, such as injuries from sharp objects or gunshot wounds, the care of these wounds requires attention to prevent leakage.
For instance, cuts to the bone made by sharp implements, which often follow a straight line as seen in various forensic studies, indicate a need for careful management during post mortem procedures. Similarly, the attending person might need to dress wounds or clean areas affected by complications such as gangrene. The containment of fluids and the preservation of the remains are critical, especially if the case may proceed to legal investigations or require further medical examinations, hence the importance of a correct and professional approach to post mortem care.
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.
Learn more about REM Sleep here:https://brainly.com/question/9185936
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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
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
A feature unique to human teeth and found generally in hominini teeth is:
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
What is the acceleration of a 45 kg mass pushed with 15 N of force? What is the acceleration if the force changes to 25 N? What if the mass changes to 70 kg?
Answer:
A= 0.33m/s
A=0.56m/s
A=0.21m/s
A= 0.35m/s
Explanation:
To calculate acceleration, you will use the formulae,
Force=mass ×acceleration.
F=MA.
If the force is 15N, Mass is 45g , acceleration ?
15=45 × a
15=45a.
Divide through by 45 to get a
a=15/45
Acceleration is 0.33m/s
B) acceleration if forces changes to 25N.
F=MA
F= 25, M= 45 a=?
25=45 × a
25= 45a
Divide through by 45 to get a.
a= 25/45
Acceleration is 0.56m/s
C) Acceleration if mass changes to 70N.
F= MA
15= 70 × a.
15= 70a
Divide through by 70
15/70= a
Acceleration is 0.21m/s
If the Force is 25N, Mass is 70kg, acceleration will be.
F=MA
25=70 × a
25=70a
Acceleration= 25/70
Acceleration is 0.35m/s
How did the increased availability of atmospheric oxygen affect the evolution of the eukaryotic cell?