Septic shock occurs when bacterial toxins trigger vasodilation and increase capillary permeability.
Vasodilation occurs during inflammatory processes thereby leading to an increase in blood flow. Septic shock cause the release of numerous vasodilatory chemicals thereby leading to lethal hypotension.
Septic shock is caused by changes in hemodynamic profile as a result of endothelial dysfunction with increased capillary permeability thereby leading to hypotension.
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a bacterium is infected with an experimentally constructed bacteriophage
The complete question is:
a bacterium is infected with an experimentally constructed bacteriophage composed of the T2 phage protein coat and T4 phage DNA. The new phages produced would have
A) T2 protein and T4 DNA
B) T2 protein and T2 DNA
C) a mixture of DNA and proteins of both phages.
D) T4 protein and T4 DNA
E) T4 protein and T2 DNA
A bacterium infected with an experimentally constructed bacteriophage will give new phages with the virus' DNA and the type of proteins that this DNA encodes.
A bacteriophage is a virus that attaches itself to a bacteria and uses it to replicate itself. Viruses have two main parts, a protein coat and their DNA inside it.
The experimentally constructed bacteriophage has one type of protein that makes the coat, the T2. This type of protein will allow the virus to attach and infect the bacteria. Once the virus attaches itself to the bacteria, it will introduce its DNA, T4 type, and use the bacteria elements to replicate it and create new phages.As a result, the new phages will have T4 DNA, and the proteins that the virus synthesizes will be the same type as the DNA.
In conclusion, The new phages produced would have D) T4 protein and T4 DNA.
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Which statement is true?(1 point)
Hair color and IQ are examples of Mendelian traits.
Mendelian traits follows a normal distribution.
Mendelian traits are controlled by multiple genes.
Mendelian traits cannot be shown on a bell curve.
Answer:
A. Hair color and IQ are examples of Mendelian traits.
Explanation:
Answer:
Mendelian traits cannot be shown on a bell curve.
Explanation:
What molecule is the source of information for transcription.
DNA is the molecule, which is the source of information for transcription.
• During the process of transcription, RNA polymerase is an enzyme, which is accountable for copying a sequence of DNA into a sequence of RNA.
• The RNA polymerase monitors the phenomenon of transcription.
• At the time of transcription, the information is stored within a molecule of DNA, which is further copied into a new molecule of messenger RNA.
Thus, the correct answer is DNA.
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Animals are helpless when their natural habitat is damaged by floodsor forest fires. What are the ways to prevent these from occurring sothat animals do not suffer?
Answer:
Obey local laws regarding open fires, including campfires, Keep all flammable objects away from fire, have firefighting tools nearby and handy, Carefully dispose of hot charcoal,
Drown all fires, Carefully extinguish smoking materials, do NOT use fireworks in heavily wooded areas, use in large, open areas with concrete flooring.
Explanation:
The use of biological processes to protect and repair the environment from negative human impacts is part of a growing area of biological applications called .
Bioremediation is that process which use the biological organisms to protect and repair the environment.
Bioremediation refers to the use of biological agents or processes in order to protect and repair the environment from negative human impacts. This phenomenon depends on stimulating the growth of specific type of microbes that utilize contaminants such as oil, solvents and pesticides as a sources of food and energy.
These microbes has the ability to use these harmful substances as a food and convert these contaminants into water as well as harmless gases like carbon dioxide so we can conclude that bioremediation is that process which use the biological organisms to protect and repair the environment.
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The work of such researchers as Broca, Fritsch, Hitzig, and Ferrier demonstrated localized brain function, which was somewhat similar to the predictions made by ________.
The work of Broca, Fritsch, Hitzig, and Ferrier demonstrated localized brain function, which was similar to predictions made by phrenologists. Phrenology is a pseudoscience.
Phrenology is a pseudoscience aimed at measuring bumps on the skull to predict personality traits.
Eduard Hitzig and Gustav Fritsch demonstrated that electrical stimulation of specific areas of the cerebral cortex could trigger movement.
Broca's area is an area located in the frontal part of the left brain hemisphere discovered by Paul Broca, who observed how this area has a fundamental function for the generation of speech in humans.
Finally, David Ferrier was a neurologist who discovered a series of motor fields within the cerebral cortex of monkeys.
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What is the difference between chromosomes, chromatin, and DNA?
I
Answer:
A chromosome is a long DNA molecule with part or all of the genetic material of an organism. and I can't think of the other one sorry.
Explanation:
how can the h. pylori bacteria survive in the human stomach?
Answer:
To survive in the harsh, acidic environment of the stomach, H. pylori secretes an enzyme called urease, which converts the chemical urea to ammonia. The production of ammonia around H. pylori neutralizes the acidity of the stomach, making it more hospitable for the bacterium
Explanation:
Which type of interaction is described below? ________ interactions occur between individuals of two or more different species.
HELP ASAP
What evidence shows that biological molecules on earth form naturally?/What evidence shows that biological molecules on Earth form naturally?
THIS AIN'T BUILD A B-
Name the following:
The cell that covers a large area and is broad and flat in shape.
Answer:
skin is the answer please and brainlest pleaaasssseeee
Plants obtain energy from
a. soil
c. anabolism
d. fertilizer
b. sunlight
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Answer:
Sunlight
Explanation:
Plants rely on the energy in sunlight to produce the nutrients they need. But sometimes they absorb more energy than they can use, and that excess can damage critical proteins. To protect themselves, they convert the excess energy into heat and send it back out.
vai trò của nước đối với quang hợp là
Answer:
At a fundamental level, water provides electrons to replace those removed from chlorophyll in photosystem II. Also, water produces oxygen as well as reduces NADP to NADPH (required in the Calvin cycle) by liberating H+ ions.
Explanation:
Which statement explains why ammonites are a good example of an index fossil?
Answer:
Ammonites existed only in the oceans.
Explanation:
Index fossils serve as a relative dating marker for geologic time periods and the rocks formed at those times. The fossils are of species that lived for only a short while, though that could be millions of years, and were widespread on the Earth. Ammonites are good index fossils for several reasons. First, they are easily identified by their spiral shells.
The statement explains why ammonites are a good example of an index fossil
Ammonites existed only in the oceans.
What is an Index fossil?
Index fossil are plants and animals which have been preserved in rock
surfaces over a long period of time and are usually characteristic of a
particular geographical location.
Examples of Index fossils include:
Ammonites Brachiopods, Graptolites NanofossilsTrilobitesAmmonites are animal fossils which are characteristic of the marine
environment.
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Which objects would cause refraction of light? (Select all that apply.)
prisms
magnifying glasses
wooden boxes
eyeglasses
Answer:
prisms
eyeglasses
Explanation:
i new the answer
have a great day ;)
In regular alcohol consumers, lipids get accumulated in the liver and are stored as small droplets in liver cells and this condition is known as ________.
Answer:
Fatty Liver
Explanation:
NO LINKS. PLZZ HELP WILL MARK BRAINLIEST AND 55 POINTS!
Which nucleic acid moves the code for protein synthesis from the nucleus to the ribosomes?
A. dRNA
B. tRNA
C. rRNA
D. mRNA
Answer:
mRNA
Explanation:
enjoy mate
Answer:mRNA
Explanation: Just had this unit.
Body size in mice (length from nose to base of tail) is controlled in part by genetics. The following data shows the number of mice grouped by lengths:
Length Group Number of Mice
Very small (4-5 cm) 2
Small (5-7 cm) 6
Average (7-10 cm) 15
Large (10-12 cm) 7
Very large (12-13 cm) 1
Based on this data and your knowledge of inheritance patterns, identify the inheritance pattern that this trait follows in mice.
(1 point)
complete dominance
polygenic
incomplete dominance
pleiotropic
Answer:
polygenic!
Explanation:
Based on this data and your knowledge of inheritance patterns, identify the inheritance pattern that this trait follows in mice is polygenic.
What is Polygenic inheritance?Polygenic inheritance occurs when one character is controlled by two or more genes.
Often the genes are large in quantity but small in effect. Examples of human polygenic inheritance are height, skin colour, eye colour and weight.
Thus, option "B" is correct.
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What is the word for the skin having microscopic holes.
What are the three types of posttranscriptional processing?.
Answer:
5' capping, addition of the poly A tail, and splicing.
Explanation:
I got it right on the test!!!! I hope this helps.
Scientists can study the human genome using DNA fingerprinting.
DNA fingerprinting allows scientists to
B. break the hydrogen bonds in a gene to allow DNA to replicate itself.
c. determine the location of an abnormal gene on an individual's
chromosome.
A. prevent a gene from matching complementary bases onto a strand of
RNA.
Answer:
your answer is C.
Explanation:
DNA fingerprinting allows researchers to determine the location of an abnormal gene in a person's chromosomes.
What are the steps in DNA fingerprinting?DNA fingerprinting is a laboratory technique used to determine the likely identity of a person based on the nucleotide sequences of certain regions of a person's DNA that are unique to individuals.
DNA fingerprinting was used early in legal disputes, particularly in solving crimes and establishing paternity. It is also used to detect inherited genetic diseases and can be used to identify genetic matches between tissue donors and recipients.
In DNA fingerprinting, researchers collect DNA samples from various sources, such as hair from crime scenes and blood from victims and suspects. They then narrow down scattered sections of repetitive DNA in these samples.
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What are the nerve roots that are shaped like a horse's tail and that extend down from the end of the spinal cord?
Answer:
a. Cauda equina
Explanation: is correct
When does osteogenesis begin?
Answer:
a. When a fetus is 13-15 weeks old
Explanation: is correct
Bacteria such as e. coli and salmonella produce invasins that bind host cells, thus causing the cells to:
Answer:
kill cells and tissues outright
Explanation:
Sometimes bacteria multiply so rapidly they crowd out host tissues and disrupt normal function. Sometimes they kill cells and tissues outright. Sometimes they make toxins that can paralyze, destroy cells' metabolic machinery, or precipitate a massive immune reaction that is itself toxic
Acrroding to http://needtoknow.nas.edu/id/infection/how-pathogens-make-us-sick/
Where in the cell would you expect to find the greatest activity of the pyruvate dehydrogenase complex?
Answer:
Mithochondria
Explanation:
In eukaryotes, the pyruvate dehydrogenase complex, like the enzymes for citric acid cycle and oxidation of fatty acids, is located in the mitochondrion, where is associated with the surface of the inner membrane facing the matrix.
In the cell, mitochondria are the place where it expects to find the greatest activity of the pyruvate dehydrogenase complex.
What is the pyruvate dehydrogenase complex?The three-enzyme complex known as the pyruvate dehydrogenase complex (PDC) is responsible for pyruvate carbonylation, which converts pyruvate to acetyl-CoA.
This complex connects the glycolysis metabolic pathway to the citric acid cycle by allowing acetyl-CoA to be used to perform cellular respiration.
The enzyme pyruvate dehydrogenase catalyzes the reaction between pyruvate and a lipoamide, which yields acetylated dihydrolipoamide and carbon dioxide. The process requires the coenzyme thiamine pyrophosphate.
Therefore, the site where you find the greatest activity of the pyruvate dehydrogenase complex is mitochondria.
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What kind of fish is on the brink of commercial extinction?
Question 3 options:
Alaska Wild Salmon
The Pacific Cod
North Atlantic Salmon
South Atlantic Swordfish
what are known to swim near dolphins for protection?
Question 5 options:
cod
tuna
salmon
sharks
Answer:
The legendary humpback Mahseer, one of the worlds most iconic freshwater fish, is on the brink of extinction according to scientists from Bournemouth University in the UK
Explanation:
hope this helps I don't know Its correct answer
Which of the following is the observed result of human exposure to a toxin?
I. Increased miscarriages
II. Gender imbalances
III. Increase in incidents of cancer
I, II, and III
II and III
I and III
I only
Answer:
| and |||
Explanation:
Gender Imbalances have nothing to do with exposure to toxin.
how are unicellular and multicellular organisms alike
Answer:
that they exhibit all the functions of life
Explanation:
the number of phenotypes in a population is determined by
Answer:
The number of phenotypes produced for a given trait depends on how many genes control the trait.
Explanation:
Based on heredity, the number of phenotypes in a population is determined by the number of alleles for that triat as well as the nature of the alleles.
What is a phenotype?A phenotype is a physical expression of a gene.
The phenotype of an organism is influenced by the inherited alleles for that gene that an organism has.
Alleles are alternate forms of a gene.
Alleles may either be;
dominant,recessive, incompletely dominant or co-dominant.The phenotype of that organism will thus depend on the nature of the alleles of that gene or trait.
Therefore, the number of phenotypes in a population is determined by the number of alleles for that triat as well as the nature of the alleles.
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What does the nucleus do.