The answer B. The integrity of the structure of proteins and enzymes is essential to their function. High temperatures cause the breaking of the weak hydrogen bonds between functional groups and motifs of protein. Even higher temperatures disrupt disulfide bond in proteins. This loss of structure of proteins and enzymes disrupts the active sites conformation hence the protein or enzyme ceases to catalyse biochemical reactions.
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
Molecules such as polypeptides are too large to travel through transport proteins and must enter or leave cells through ____________ transport.
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.
Explain how our respiratory and circulatory systems relate to cellular respiration and ATP.
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?
Which best describes the role of a negative feedback loop?
The answer is A i know you got this already it's 2019 now.
In what ways are animals treated differently in sustainable agriculutre
The firm connective tissue in joints that covers the contacting surfaces of bones is called
which macromolecule makes up the majority of the cell membrane?
A.) nucleotide
B.) lipid
C.) protein
D.) carbohydrate
Answer:
B-Lipids
Explanation:
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.
How did the increased availability of atmospheric oxygen affect the evolution of the eukaryotic cell?
A mummy is discovered whose stone tomb includes cloth, food, and other organic remains. what dating method would most likely be used to date the tomb?
a. electron spin resonance
b. biostratigraphy
c. dendrochronology
d. carbon 14
What component of membrane contains a hydrophobic region and acts as the primary barrier to most foreign substances?
Phospholipids are the component of membrane contains a hydrophobic region and acts as the primary barrier to most foreign substances.
What is hydrophobic region?A typical monomeric globular protein has a single, sizable, interconnected hydrophobic region that makes up around 60% of the solvent-accessible surface area. This region is generated from the faces of apolar atoms. The distribution of acyl chains and sterols in the hydrophobic area affects membrane stiffness and fluidity.
The primary constituents of the bilayer of phospholipids that composes the plasma membrane. Because they are amphipathic, or have both hydrophilic and hydrophobic areas, they are well suited for this function.
Thus, phospholipids are the component of membrane contains a hydrophobic region and acts as the primary barrier to most foreign substances.
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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.
A feature unique to human teeth and found generally in hominini teeth is:
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:
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
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?
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?
Remembering how to ride your bike is an example of a __________memory.
Having the ability o remember how to ride a bike is an example of a long term memory. This is procedural memory; knowing how to do something, having the skills and the formation of simple associations. These skills are able to be recalled at any time.
Answer: Procedural
Procedural memory helps people understand how stuff works. It is primarily involves in knowing new motor skills like learning how to ride a bike or play a piano. The brain begin building and assigning interneuron pathways for cerebellum and basal ganglia to outflow muscle information to the legs or hands developing motor coordination.
Moreover, procedural memory is part of the long-term memory that is responsible for storing information on how to perform certain procedures.
The liquid portion of blood that comprises 55 of the blood's volume is called
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.
Prokaryotes reproduce rapidly and this allows genetic variation to spread quickly through a population. what two processes can create variations in prokaryotic populations?
Bacteria are excellent candidates for genetic engineering because?
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
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
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
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
A primigravid client, age 20, has just completed a difficult, forceps-assisted delivery of twins. her labor was unusually long and required oxytocin augmentation. the nurse who's caring for her should stay alert for:
The actin and myosin filaments in a muscle contract with enough force to produce a contraction. They don't hold each other still while pulling inward.
Myosin heads on myosin filaments interact with actin filaments during muscle contraction.
Actin filaments are pulled inward by the myosin heads, which are then released and reattached farther down the filament in a cycle. The sliding filament mechanism is the name given to this phenomenon.
Myosin heads join actin filaments in cross-bridges as a result of ATP hydrolysis.
Thus, The actin and myosin filaments in a muscle contract with enough force to produce a contraction. They don't hold each other still while pulling inward.
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