Based on the current understanding of this operon, which hypothesis would be useful for James to test? Addition of allolactose to the bacterial growth media should increase the speed at which the bacteria metabolize the sugar lactose. Removal of the RNA polymerase molecule should increase the amount of bacterial growth on the plate. Decreasing the amount of allolactose in the bacterial growth media should increase the rate of bacterial growth. Increasing the rate at which RNA polymerase acts will inhibit bacterial growth
Explanation:
I took the quiz
Answer:
A.
Explanation:
What are three ways in which genes are expressed through adaptations?
Answer:
this my answer and if u are in class 10 then you aslo ask me questions of it ok by Explanation: The journey from gene to protein is complex and tightly controlled within each cell. It consists of two major steps: transcription and translation. Together, transcription and translation are known as gene expression.I NEED AN ANSWER, THANKYOU!!!!
Answer:
B) 6
E) 1
F) 5
J) 9
H) 5
C) 4
A) 3
A pure substance containing only one kind of blank hurry
Answer:
elements
Explanation:
Describe what happens to carbohydrates in the human body between ingestion and assimilation in the liver.
Carbohydrates are broken down into glucose, absorbed by the small intestine, transported to the liver, and used for energy or stored as glycogen or fat depending on the body's needs.
Insulin is a hormone produced by the pancreas that regulates the amount of glucose in the bloodstream. If there is a high amount of glucose in the bloodstream, insulin will signal to the liver and muscle cells to absorb and store the excess glucose. If there is a low amount of glucose in the bloodstream, glucagon will signal the liver to break down the stored glycogen into glucose and release it into the bloodstream to be used for energy.
When carbohydrates are ingested, they are digested in the mouth and stomach. The carbohydrates are broken down into glucose. The glucose is absorbed by the small intestine. The glucose is then transported to the liver.
The glucose is used for energy and stored as glycogen in the liver and muscles for later use. If there is an excess of glucose, it will be stored as fat in the adipose tissue.
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What are organic molecules? What are organic foods? How does
organic food address the health risks discussed in chapter 8? Are
you, and how, utilizing organic foods?
Carbon atoms are bound to other carbon atoms in organic molecules, which also frequently contain other elements like hydrogen, oxygen, etc.
Carbon atoms bound to other carbon atoms make up organic molecules, which also frequently contain other elements like hydrogen, oxygen, nitrogen, etc. These are the elements making up all living things, like plants, animals, and bacteria which are thus essential to biological processes. Agricultural items that are grown and processed without utilizing synthetic chemicals, like synthetic fertilizers, pesticides, and herbicides, are referred to as organic foods. Natural fertilisers, crop rotation, biological pest management, and other ecologically beneficial techniques are prioritised in organic agricultural practises.
Natural insecticides, herbicides, and fertilisers are not used in the production of organic foods, which may lower the danger of ingesting chemical residues. It is important to remember, though, that some pesticides with organically derived ingredients are permitted in organic cultivation. A food that is organic could have more of a few nutrients, like vitamin C, iron, and magnesium. However, nutrient content discrepancies between foods cultivated organically and conventionally can vary depending on a number of variables, including crop type, farming methods, and soil quality.
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WHAT IS GLYCOLYSIS? EXPLAIN IN BRIEF WITH SUITABLE FIGURE.
Answer:
Glycolysis is the metabolic pathway (process) that converts one molecule of glucose into two molecules of pyruvate. In the process the pathway forms two molecules of ATP and one molecule of NADH from two molecules of ADP and phosphate and one molecule of NADH.
The importance of glycolysis is that it provides the cell with a small amount of readily accessible energy in the form of ATP and it provides the mitochondria with a source of pyruvate. There, the pyruvate can be completely oxidized to CO2 and H2O and form a large amount (~28 molecules) of ATP from ADP and phosphate. More importantly, it provides red blood cells with there only source of ATP (since they have no mitochondria).
What type of transport removes materials form the cell, by fusing a Vacuole/Transport Vesicle with the plasma membrane?
Explanation:
Vesicle-mediated transport | Back to Top
Vesicles and vacuoles that fuse with the cell membrane may be utilized to release or transport chemicals out of the cell or to allow them to enter a cell. Exocytosis is the term applied when transport is out of the cell.
Answer:
I might be wrong but the only cells that transports stuff or to be more clear it transports they carry proteins and other material from the cell to another one it is called Endoplasmic Reticulum
Explanation:
The bacterial flagellum moves _______. Multiple Choice by rotation that is powered by ATP by rotation that is powered by the proton motive force in a wave-like fashion that is powered by ATP in a wave-like fashion that is powered by the proton motive force in a wave-like fashion that is powered by enzymes
Answer:by rotation that is powered by the motive force
Explanation:
I-cell disease is a particularly severe form of lysosomal storage disease. Multiple enzymes are lacking in the lysosome and the organelle becomes stuffed with nondegraded material and therefore generates a so-called inclusion body. I-cell disease is inherited; it is caused by a single gene defect in the N-acetylglucosamine phosphotransferase that is required for the formation of mannose 6-phosphate (M6P) residues on lysosomal enzymes in the cis-Golgi. This enzyme recognizes soluble lysosomal enzymes as a class and hence a defect in this protein affects the targeting of a large number of proteins. What other defect(s) would cause the same phenotype? (Select all correct answers may be more than one)
A) a defect in clathrin function
B) a defect in the mannose 6-phosphate receptor
C) a defect in the phosphodiesterase that removes the GlcNAc group that initially covers the phosphate group on mannose 6-phosphate.
D) a defect in KDEL receptor
Cellular organelles called lysosomes contain a range of enzymes that break down materials. These enzymes are guided to lysosomes by the protein N-acetylglucosamine-1-phosphotransferase (GNPT).
Hydrolytic enzymes are delivered to lysosomes via the mannose-6-phosphate (M6P) route. These hydrolases are initially marked with M6P by N-acetylglucosamine-1-phosphotransferase (GNPT), which catalyzes the diverting of them to lysosomes when it binds to receptors in the Golgi.
The transfer of hydrolytic enzymes to lysosomes occurs via the mannose-6-phosphate (M6P) route. These hydrolases are first tagged with M6P by N-acetylglucosamine-1-phosphotransferase (GNPT), which is then detected by receptors in the Golgi and directs them to lysosomes.
The uridine diphosphate-N-acetylglucosamine can bind in a deep cavity in the catalytic domain, and the nearby residues suggest a one-step transfer process. The GNPT gamma subunit's isolated structure suggests that it may attach to mannose-containing glycans in various configurations, indicating that it may be involved in guiding glycans into the right place.
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Why did the removal of wolves affect the entire Yellowstone ecosystem?
A. It changed the balance of many different interactions.
O B. The organisms in the ecosystem did not compete for resources.
C. Wolves were the only predators in the ecosystem.
D. The wolves were the only producers in the ecosystem.
HELP ME QUICKKK PLEASE
Answer:
A
Explanation:
Since Wolves were one of the main predators (not the ONLY one) prey started to over populate causing the vegetation population to decrease. Since the vegetation decreases so does the number of prey then as well as the number of predators.
The removal of wolves affecting the entire Yellowstone ecosystem is option "A" that is It changed the balance of many different interactions.
Here wolves act as a keystone species.
What are keystone species?A keystone species is an organism that enables represent an entire ecosystem.
Without its keystone species, the ecosystem would be dramatically distinct or stop existing altogether.
Keystone species have low functional tedium.
Thus, option "A" that is It changed the balance of many different interactions.
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Drag each term to the correct location on the table. Each term can be used more than once.
What are the inputs and outputs of cellular respiration and photosynthesis?
Answer:
Respiration is the reverse reaction of photosynthesis.
Explanation:
The inputs of cellular respiration are oxygen and glucose and the outputs of cellular respiration are energy in the form of ATP, water and carbondioxide while on the other hand, the inputs of photosynthesis are water and carbondioxide and the outputs of photosynthesis are glucose and oxygen. Glucose is stored in the body whereas some oxygen is used in the process of respiration while the rest is released in the atmosphere.
when binding of the inducer to the repressor causes a conformational change, which then prevents the repressor from binding to dna, the repressor is called a(n) protein.
When the binding of the inducer to the repressor causes a conformational change, which then prevents the repressor from binding to DNA, the repressor is called an allosteric protein.
A protein that has an effector that controls its activity by acting on a site that is physically apart from the protein's ligand-binding site is said to be allosteric.
A chemical that controls the expression of genes is an inducer. An inducer works in two different ways, namely:
Via turning off repressors. An inducer binds to the repressor, which causes the gene to be expressed. The repressor cannot bind to the operator because of the inducer's binding to the repressor.By tying up with activators. Absent an inducer, activators often bind activator DNA sequences weakly. The complex formed by the binding of the activator and inducer to the activation sequence activates the target gene. Transcription is halted by removing the inducer.Repressor proteins attach to the DNA strand and stop RNA polymerase from joining to the DNA and producing mRNA. Repressors are altered by the binding of inducers, which prevents them from binding to DNA.
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Dna double helices are soluble in water but insoluble in alcohol. How do these physical properties reflect the chemical structure of the dna molecule?.
The physical property of DNA is due to the chemical structure of DNA which contains charged phosphate groups and sugars.
DNA is the most common genetic material in living organisms.
The structure of DNA is composed of deoxyribonucleotides.
The nucleotide is made up of three parts- a nitrogenous base, a sugar, and a phosphate group.
Many of these nucleotides are joined using phosphodiester bonds to form the DNA helices.
DNA is a hydrophilic molecule which means water-loving. It is soluble in water and insoluble in alcohol due to the physical properties of the chemical constituents present within it.
Thus, the physical property of DNA is due to the chemical structure of DNA which contains charged phosphate groups and sugars.
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Outline four consequence of an outbreak of the COVID-19 disease within a population of your country (include environmental implications)
The global outbreak of coronavirus disease 2019 (COVID-19) is affecting every part of human lives, including the physical world.
What is the definition of a disease?disease, any harmful deviation from the normal structural or functional state of an organism, generally associated with certain signs and symptoms and differing in nature from physical injury. A diseased organism commonly exhibits signs or symptoms indicative of its abnormal state.
What diseases have no cure?Medical conditions such as diabetes, asthma, Alzheimer's and other forms of dementia, cannot be "cured," but they can be managed. In the past, medical treatment was all about treating the disease, but these days, many doctors have shifted their focus to the patient themselves, rather than just the disease.
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What are the smallest passageways in the lung with a ciliated epithelium?
A. Terminal bronchioles.
B. Respiratory bronchioles.
C. Segmental (tertiary) bronchi.
The smallest passageways in the lung with a ciliated epithelium are A. Terminal bronchioles.
The respiratory system consists of a branching network of airways that transport air to and from the lungs. The terminal bronchioles are the smallest airways within the conducting zone of the respiratory system. These bronchioles mark the end of the conducting zone and lead into the respiratory zone.
Terminal bronchioles are lined with a ciliated epithelium. The cilia are hair-like structures on the surface of the epithelial cells that beat in coordinated motions. The function of cilia is to help move mucus and trapped particles out of the airways, assisting in the clearance of foreign substances and maintaining the cleanliness of the respiratory system. Therefore option A is the correct option.
Beyond the terminal bronchioles, the respiratory bronchioles are present, which are part of the respiratory zone where gas exchange takes place. These respiratory bronchioles have a more delicate structure and are lined with alveoli, which are the site of oxygen and carbon dioxide exchange in the lungs.
Segmental (tertiary) bronchi are larger airways that branch off from the main bronchi and supply air to specific segments or lobes of the lungs. They are located higher up in the airway hierarchy compared to the terminal bronchioles.
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The smallest passageways in the lung with a ciliated epithelium are the terminal bronchioles.
The respiratory system consists of various structures that help in the process of respiration. The lungs are the main organs responsible for the exchange of oxygen and carbon dioxide. The airways in the lungs are divided into different segments, each with its own characteristics.
The smallest passageways in the lung are known as bronchioles. These bronchioles are further divided into terminal bronchioles, respiratory bronchioles, and alveolar ducts. The lining of the bronchioles is composed of a ciliated epithelium, which helps in the movement of mucus and particles out of the lungs.
Among the given options, the correct answer is Terminal bronchioles. Terminal bronchioles are the smallest passageways in the lung with a ciliated epithelium.
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Which of the following is not an example of mechanical control of nonnative species?
a.
pulling
b.
inspections
c.
net barriers
d.
mowing
Answer:
it's A
Explanation:
Answer:
A. PULLING
Explanation:
Edg 2020
An increased cardiac output will provide more oxygen and more glucose to the working muscles.
Explain how this helps the athlete during exercise.
Answer:Let's dance
Put on your red shoes and dance the blues
Let's dance
To the song they're playin' on the radio
Let's sway
While color lights up your face
Let's sway
Sway through the crowd to an empty space
If you say run
I'll run with you
And if you say hide
We'll hide
Because my love for you
Would break my heart in two
If you should fall into my arms
And tremble like a flower
Let's dance
Let's dance
For fear your grace should fall
Let's dance
For fear tonight is all
Let's sway
You could look into my eyes
Let's sway
Under the moonlight, this serious moonlight
And if you say run
I'll run with you
And if you say hide
We'll hide
Because my love for you
Would break my heart in two
If you should fall into my arms
And tremble like a flower
Let's dance
Put on your red shoes and dance the blues
Let's sway
Under the moonlight, this serious moonlight
Let's dance
Let's dance
Let's dance, dance, dance
Explanation:
Pathogens, like disease causing viruses, can enter the body through the blood stream. Phagocytic white blood cells will respond by releasing enzymes and by ingesting the pathogens to destroy them. What transport process is used by these white blood cells to ingest the virus?
A) facilitated diffusion
B) sodium-potassium pump
C) exocytosis
D) endocytosis
Answer:
did u ever find out what the answer was??
Explanation:
The hormone that is produced in the anterior pituitary gland that triggers the development of ova in the ovary is
The hormone that is produced in the anterior pituitary gland that triggers the development of ova in the ovary is Follicle Stimulating Hormone (FSH).
FSH plays a vital role in the female reproductive system as it stimulates the growth and maturation of ovarian follicles, which house and nurture the ova. This hormone is released in response to signals from the hypothalamus and travels through the bloodstream to the ovaries where it stimulates the growth of follicles. FSH levels fluctuate throughout the menstrual cycle, with the highest levels being seen just before ovulation.
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the finding that mutations in synapse genes are associated with many genetic disorders that have a behavioral component suggests that
The discovery that numerous hereditary illnesses with a behavioral component are related with abnormalities in synapse genes suggests that malfunctioning synapses are associated with abnormal behavior
Synapse are crucial parts of neurons, enable information to move in concert across the nervous system to regulate bodily processes, memories, and emotions as well as to adapt behavior to environmental cues.
As a result, healthy brain physiology depends on optimum synaptic transmission, and even minor changes in synapse function can cause neurological problems. In fact, mounting research has shown that synapse disruption is an important factor in the development of many neurological illnesses.
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1) Which of the following is a piece of biochemical evidence for all for all species that supports the theory of evolution from a common ancestor?a) aerobic respirationb) storage of DNA in the nucleic) production of the same types of proteinsd) use of the same genetic code
One biochemical evidence that supports the theory of evolution that says that we all come from a common ancestor is the fact that all organisms use the same genetic code for the translation of proteins, for example, the codon AUG codes for the amino acid methionine in all organisms.
This means D would be the right answer.
help asap 20 pts and branliest
Define the following adaptations and provide at least one example: Definition Example Camouflage Mimicry Warning Coloration
Answer:
Alright.
Explanation:
Camouflage!
'Camouflage is the use of any combination of materials, coloration, or illumination for concealment, either by making animals or objects hard to see or by disguising them as something else.'
(If it's not that then it's most likely Mimicry-)
Which nucleotide pairing(s) would be recognized by the MMR system during DNA replication?
I. dTMP and dCMP
II. dGMP and dAMP
III. dAMP and dTMP
A) I only
B) III only
C) I and II only
D) I, II, and III
The MMR (mismatch repair) system is responsible for correcting errors that may occur during DNA replication. It identifies mismatches between the two strands of DNA and corrects them by excising the incorrect base(s) and replacing them with the correct one(s).
The correct nucleotide pairing recognized by the MMR system during DNA replication are:
dTMP and dAMPdGMP and dCMPTherefore, option C (I and II only) is the correct answer. Option III (dAMP and dTMP) is incorrect because the correct pairing is dTMP and dAMP, as mentioned above. Option A (I only) and option D (I, II, and III) are also incorrect.
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Which structures in birds and mammals have a similar function?
a. Air sacs and diaphragm
b. Down feathers and underhair
c. Albumen and mammary gland
d. Crop and incisors
Answer:
Air sacs and diaphragm
Explanation:
9. You are an oceanographer taking measurements to predict whether this year will be an El Niño, a La Niña, or a normal year. (15 points)
A. What are three instruments you will use? (3 points)
B. What measurements will each of these instruments take? (6 points)
C. What measurements would you expect to collect during an El Niño year and a La Niña year? (6 points)
An El Nino scenario develops when east winds blow less strongly than usual and surface water in the equatorial Pacific warms up more than usual.
La Nina is the name for the adverse situation. The east winds are stronger and the ocean is cooler than typical during this ENSO phase. Every three to five years, el Ninos typically occur.
One example is data produced by radar altimetry, which is used to monitor the El Nino global climatological event. El Nino is a term used to describe a periodic weakening of the trade winds and warming of the equatorial Pacific Ocean's surface layers.
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An El Nino scenario develops when the equatorial Pacific Ocean's surface water warms up more than usual and east winds blow less strongly than usual.
The opposite situation is known as La Nina. During this ENSO phase, the water is cooler than usual and the east winds are stronger. Typically, el Ninos occur every three to five years.
One example is the data produced by radar altimetry, which is used to monitor the global climatological event known as El Nino. El Nino is a term used to describe a periodic weakening of the trade winds and warming of the surface layers of the eastern and central equatorial Pacific Ocean.
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what is the genetic of skin?
Answer:
Explanation:
I believe it is tyrosinase.
What is eco system ?
Answer:
a biological community of interacting organisms and their physical environment.
"the marine ecosystem of the northern Gulf
Explanation:
have a good day and mark brailyest 0lz! :D
PLEASE HELP ITS DUE SOON!!! Explain why it is not possible to predict the sex of one individual offspring
Which medicatio is derived from a natural source and may be prescribed for the treatment of osteoporosis?
Calcitonin medication is derived from a natural source and may be prescribed for the treatment of osteoporosis.
Calcitonin is a hormone that the thyroid naturally produces. Because it decreases the pace at which osteoclasts absorb bone, calcitonin causes moderate increases in bone mass when given to people with osteoporosis. The transient nature of calcitonin's effects on bone has limited its applicability as a hypercalcemia therapy.Osteoporosis makes bones weak and brittle, so fragile that even minor stressors like coughing or bending over can break them. Hip, wrist, and spine fractures brought on by osteoporosis are the most frequent. Bone is a living tissue that undergoes continuous deterioration and replacement.To learn more about Calcitonin.
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