In the presence of oxygen, an increase in the amount of ATP in a cell would be expected to inhibit phosphofructokinase.
Phosphofructokinase is a key regulatory enzyme in glycolysis, which is the metabolic pathway that converts glucose into pyruvate, generating ATP and NADH. The regulation of phosphofructokinase is crucial for maintaining energy balance within the cell.
ATP serves as an energy currency in the cell, and an increase in ATP levels signals that there is already an abundance of energy available. In this scenario, the cell does not need to produce more ATP through glycolysis.
Therefore, an increase in ATP concentration acts as a feedback mechanism to inhibit phosphofructokinase.
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A direct indication that the white blood cells of the body are functioning would be
The immune system of a person is capable of fighting with infectious microorganisms and can easily protect the body from infectious diseases. This condition indicates that the white blood cells are functioning properly.
Further Explanation:
The foreign particles can be either microbial pathogens or dust particles and pollens. Depending on the type of foreign body, the innate immune system functions. The physical barriers like skin, mucous membranes, and lungs help in preventing foreign particle entry. The pathogens are removed by the action of immune cells called white blood cells (monocytes, macrophages, dendritic cells, mast cells, and polymorphonuclear leukocytes). In a healthy individual, the total WBC (white blood cell) count ranges between 4,500 to 11,000/. When an infection is caused, or the person has some allergy, this count is increased.
The effective immune system is fighting with any microorganism or damage that can efficiently protect the body by releasing certain chemicals. The damaged host cells also release certain chemicals (vasoactive factors) like histamine, prostaglandins, and bradykinin. This causes the movement of the fluid in the extracellular spaces. All these factors cause an increase in blood flow and fluid retention (that cause edema). The increased vascular permeability helps the WBCs to reach that area easily.The neutrophils that are delivered to the inflammation site phagocytize microbes and kill it.
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Answer Details:
Grade: High School
Subjects: Biology
Chapter: Immunology
Keywords:
White blood cell, immune system, infection, neutrophils, lungs, foreign particle, damage, kill, phagocytize, histamine, prostaglandins.
In which phase of the cell cycle are cells most often found?
Which salivary gland, located ventral to the ear, produces nearly half of the total volume of saliva produced?
A 26-year-old client who abuses heroin states to the nurse, "i have been using more heroin lately. i told my provider about it and they said i need more and more heroin to feel the effect i want
Cleavage in minerals refers to ________.
Zac and nina are studying for a psychology test. zac states that heritability refers to the extent to which genes are responsible for an individual's level of a particular characteristic is genetic. nina disagrees, stating that heritability refers to the extent to which genes are responsible for variation among individuals in a particular characteristic. which student is correct
Nina is right. Heritability doesn't define how much of a character trait is genetic, it explains the extent to which genes cause variations in that specific trait among a population.
Explanation:In this scenario between Zac and Nina, Nina is the correct one. Heritability does not exclusively define how much of an individual's characteristic is due to their genes. Rather, heritability explains the variation or differences we see among individuals within a population. For example, if we were studying height among a group of people, heritability would refer to how much of the variation in height is due to genetic factors versus environmental factors.
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Which of these connections are used for camcorders, dvd players, and gaming consoles?
The FireWiire is connection used for camcorders, DVD players, and gaming consoles. The standard that defines the FireWire connection is IEEE 1394. IT is an interface standard for a serial bus for high-speed communications and isochronous real-time data transfer.
Final answer:
Camcorders, DVD players, and gaming consoles often use HDMI for modern devices, with Component Video, Composite Video, and S-Video being options for older devices.
Explanation:
The connections that are typically used for devices such as camcorders, DVD players, and gaming consoles include HDMI (High-Definition Multimedia Interface), Component Video (YPbPr), Composite Video (RCA), and S-Video. However, the most common connection used in modern devices is HDMI, which provides high-quality digital video and audio through a single cable. Older devices or those requiring analog input might use Component, Composite, or S-Video connections. It is important to select the correct type of cable to match the ports available on both the device and the display (TV or monitor) to ensure compatibility and the best possible quality of the media.
In flatworms, the ____ is/are used to gather food.
a. ​nephridia
b. ​contractile vacuoles
c. ​malpighian tubules
d. ​flame cells
e. ​pharynx
Select the correct answer.
What hormonal change occurs after fertilization that causes the endometrial lining to remain intact so that the fertilized egg can successfully implant in it?
A. The pituitary gland secretes oxytocin, which maintains the endometrial lining.
B. The pituitary gland secretes follicle stimulating hormone, which acts on the follicles and stimulates them to produce progesterone.
C. The hypothalamus secretes gonadotropin releasing hormone, which maintains the endometrial lining.
D. The developing embryo secretes human chorionic gonadotropin, which prevents the corpus luteum from disintegrating.
E. The developing embryo takes over the production of progesterone after the breakdown of the corpus luteum to maintain the endometrial lining.
Answer:
B. The pituitary gland secretes follicle stimulating hormone, which acts on the follicles and stimulates them to produce progesterone.
Explanation:
Which of these is the best model of a prokaryotic cell?
A mutation has occurred that has made uvrd non-functional. what result will this have on damaged dna?
How would frigid antarctic water affect the ice fish's need for oxygen?
The ________ theory describes the origin of the planets as having been formed by accretion of small particles into progressively larger and larger bodies.
Answer:
big bang
Explanation:
Explain how both bottom-up and top-down processing are involved in the "crystal running on the beach" example.
A deficiency disease that illustrates the effect of integumentary system function on the structure of the skeletal system is
A deficiency disease that illustrates the effect of integumentary system function on the structure of the skeletal system is
Rickets is the disease that illustrates the effect of integumentary system function on the structure of the skeletal system.It usually occur due to the lack of Vitamin D or calciumIt can be caused by a genetic defect or another health condition.What is rickets?It is the softening and weakening of bones in children due to the deficiency of Vitamin D.It affect the bone development in children.It cause bone pain, poor growth and soft weak bones that can lead to bone deformities.
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Which of the following organelles is found in both plant and animal cells?
a.cell wall
b.chloroplast
c.central vacuole
d. mitochondrium
Which muscle bends the lower arm toward the upper arm?
Answer:
the smooth muscle
Explanation:
what kind of crystal is halite crystal (rock salt)?
The tube that connects the mouth and stomach is the esophagus
a. True
b. False
An injury to which marked region would hamper the sleep-wake cycle?
Answer:
Hypothalimus... Starting at the top as 1, then going counterclockwise being 2, it would be that next one. Number 2. The two in back are 3 and 4. So, #2 is hypthalimus
Explanation:
Folds exhibit which type of deformation? folds exhibit which type of deformation? elastic ductile tensional brittle
Is key lime pie considered a lipid?
No, key lime pie is not considered a lipid.
Explanation:No, key lime pie is not considered a lipid. Lipids are a class of water-insoluble compounds that include oils, fats, and waxes. They are made up of triglycerides, which consist of glycerol combined with three fatty acid molecules. Key lime pie is a dessert made with key lime juice, sweetened condensed milk, and an egg-based custard, which are not classified as lipids.
In what ways do enzymes control the cell cycle?
Some materials can move across the cell membrane against a concentration gradient by what
What might cause a virus in the lysogenic cycle to suddenly enter the lytic cycle?
Answer:
The correct answer would be the "stressful conditions of the host cell."
In the lysogenic cycle, the viral genome gets attached and integrated into host cell chromosomes and the virus becomes dormant and is termed as a prophage.
However, environmental stress to the host cell such as exposure to a toxic substance, starvation et cetera may cause the prophage to be excised which then enters the lytic cycle.
Which is an example of acquisition of natural passive immunity?
Why is the catalytic activity of enzymes essential to ensure and regulate cellular metabolism?
The current rapid loss of species is considered by many scientists to be another mass extinction. what may be causing this increase in extinction rate, beyond background extinction?
What kind of tissue is the precursor of long bones in the fetal skeleton?
The stomach select one:
a. secretes lipases that complete fat digestion.
b. serves as a temporary storage site
c. manufactures bile.
d. contents are highly alkaline.