Which of the following nutrients is made by gut microbiota? A. Biotin B. Sodium C. Potassium D. Bile.

Answer:

Renewable resources: timber and wind

Explanation:

nonrenewable resources: coal and natural gas

Answer:

Flu vaccinations are fundamental as they reduce the risk of flu illness by over 50%.

Explanation:

Flu vaccinations reduce the risk of flu illness by over 50%. This makes this process extremely important and fundamental for all human beings as they not only protect the person who gets the vaccine, but it also contributes to the prevention of spreading to other people, especially children and older adults who possess a greater risk of developing flu complications.

The antibodies that are produced by the vaccine prevent the flu virus from attaching to a healthy cell. However, if a person has not been vaccinated, the virus will attack the healthy cells because there is an absence of antibodies that prevent this process.

The parasitic nematode worm is the least related to the other animals in the list, as it belongs to a different phylum and has a distinct body plan and evolutionary history.

Out of the given options, the parasitic nematode worm is the least related to the others evolutionarily. This is because nematodes are a completely different phylum (Nematoda) from the rest of the animals in the list, which all belong to the phylum Arthropoda. Nematodes are unsegmented, cylindrical worms with a tough cuticle, while arthropods have segmented bodies, jointed limbs, and exoskeletons.

Additionally, nematodes have a different body plan and developmental pathway compared to arthropods, and they are more closely related to other worm-like animals such as flatworms and roundworms. The remaining animals in the list are all arthropods, which means they share a more recent common ancestor and have more similarities in their evolutionary history.

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When an antibiotic is overused, some bacteria can survive, and their offspring carry the ability to resist that antibiotic and this is known as Multi-drug resistance(MDR) in bacteria.

Antimicrobial resistance to at least one antimicrobial drug in three or more antimicrobial categories is known as multiple drug resistance (MDR), multidrug resistance, or multi-resistance.

Multi-drug resistance in bacteria refers to the ability of some bacteria to survive when an antibiotic is abused or overused and pass that ability to their progeny.

Antimicrobial categories group antimicrobial substances according to the target organisms they are effective against.

Multiple antibiotic-resistant bacteria are the MDR forms that pose the greatest concern to public health; other types include MDR viruses and parasites (resistant to multiple antifungal, antiviral, and antiparasitic drugs of a wide chemical variety).

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Hershey and Chase concluded that c)DNA functions as the genetic material.

Hershey and Chase utilized bacteriophage to compare the protein and DNA, to find the genetic material. They labelled sulphur in the protein and phosphorus in DNA to understand which entity transfers through generations. The results were transfer of labelled Phosphorus thus indicating the DNA is a genetic material.

Out of the three components of central dogma, DNA, RNA and protein, DNA is the common genetic material. Some living organisms like virus also have virus as genetic material. Proteins are formed from DNA and RNA to carry out functions.

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Answer:

East to West

Explanation:

Hello. This question is incomplete. Also, you forgot to show the flowchart. The flowchart is attached below and the full question is:

The flowchart below shows the three generations of a cross between a pea plant that has yellow pods and a pea plant that has green pods. Green pods are the dominant trait. The flowchart is missing the labels that describe the traits.

In which squares should the phrase “Green pods” appear?

1.A and D  2.B and E  3.A,C and D  4.A,B,C,D and E

Answer:

3.A,C and D

Explanation:

As shown in the question above, the flowchart shows the crossing of a pea plant with dominant features (green pods - AA) and a pea plant with recessive features (yellow features - aa). The crossing between plants with AA and aa alleles generates a completely Aa population, which in this case, has the dominant characteristic, that is, it has green pods. This is because the "Aa" alleles are called heterozygous and develop the dominant characteristic.

As we can see in the flowchart, the crossing between the two pea plants generated an offspring that is identified by table C, as we know this offspring has green pods and in the flowchart it is represented by a grayish rectangle. Therefore, we can say that the other gray rectangles represent pea plants with green pods, which are rectangles A, C and D.

Answer:

your answer is option C: A, C, and D only

Explanation:Mark Brainliest pls, im trying to level up ❤️

Answer:

A frog and humans

Explanation:

A frog develops and changes during its lifecycle,also a human thy grow as they age.

The correct statement concerning the karyotype in the diagram is D. The individual has a normal karyotype.

A karyotype is a visual representation of an individual's chromosomes. In the given diagram, there are 23 pairs of chromosomes, which is the normal number for a human. The sex chromosomes are also present in pairs, with one X chromosome and one Y chromosome indicating a male individual. However, we cannot determine the sex of the individual based on the given diagram as the sex chromosomes are not labeled.

To determine if the individual has Down syndrome, we need to look for an extra copy of chromosome 21. However, there is no such anomaly visible in the diagram. Similarly, if the individual was missing a sex chromosome, we would see only one sex chromosome instead of a pair, but there are pairs of sex chromosomes present. Therefore, the only conclusion we can draw from the given diagram is that the individual has a normal karyotype.

In conclusion, the correct statement concerning the karyotype in the diagram is D. The individual has a normal karyotype.

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The structures that are present in most capillaries but absent in those of the blood-brain barrier are called fenestrations or fenestrae.

Fenestrations are small pores or gaps in the endothelial cells that line the capillary walls. These openings allow for the passage of small molecules and fluids, facilitating the exchange of nutrients, gases, and waste products between the blood and surrounding tissues.

However, in the blood-brain barrier, the endothelial cells are tightly packed and lack fenestrations. In addition, these cells are surrounded by other structures, such as astrocytes, that further restrict the movement of substances in and out of the brain. This barrier is crucial for maintaining the proper chemical environment for the brain and protecting it from potentially harmful substances.

The absence of fenestrations in the blood-brain barrier limits the passage of large molecules and many drugs, making it difficult for therapeutics to reach the brain. This presents a significant challenge for the treatment of neurological disorders, as drug molecules must be designed to be small enough to pass through the barrier or delivered using specialized techniques.

Fenestrations are small pores or gaps in the endothelial cells of most capillaries that allow for the passage of small molecules and fluids. However, these structures are absent in the endothelial cells of the blood-brain barrier, which restricts the passage of substances and is essential for maintaining the proper chemical environment of the brain.

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The correct statements about selective media are:

Recombinants are the host cells that have been integrated with a gene of interest from an outside source. These recombinants may either clone the genetic material or produce the product from it in the form of proteins.

Mutation is any change in the normal genetic sequence of DNA. The mutation can be in a single nucleotide or at a stretch of various nucleotides. These are termed as point and frameshift mutations respectively.

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Answer:

I don't know the answer to this but I looked it up and found a brainly answer and i didn't want to steal their answer so I'm putting the link......I promise you it's not a scam or anything like that it's just a link to the brainly answer:)

Explanation: Just click the link and you will get your answer:)

https://brainly.com/question/15213157

Hope this helps:)...if not then sorry for wasting your time and may God bless you:)

Answer:

1. 2 chromatids, centromere, kinetochore

2. 56

3. It is a haploid gamete

4. Synthesis stage

5. Anaphase

6. G2

7.Cytokenesis

The mrna transcript produced from a transition mutation at nucleotide position 6 (relative to the template strand) would be either ACCGGAT or ACCGAGT.
A transition mutation at nucleotide position 6 would result in the replacement of one purine (A or G) with the other purine. Thus, the mRNA transcript produced would be the same as the original mRNA transcript, but with a different nucleotide at position 6.

For example, if the original mRNA transcript was ACCGAAT, then the mRNA transcript produced from the transition mutation at position 6 would be either ACCGGAT or ACCGAGT.

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Answer: iodine

Explanation: So, iodine has the lowest electronegativity. Fluorine has the highest electronegativity followed by chlorine, bromine and then with the least reactivity we have iodine,amongst the given options. Hence, option D is correct. Note: The noble gases i.e. group 18 elements have no electronegativity.

Answer:

Francium

Explanation:

Answer:

163 fabric needed to make 250 collars.

Explanation:

Given that,

Length = 1.5 m

Width =137 cm

Number of order = 250

Use fabric = 65%

We  need to calculate the actual length need to make a collar

Using given data

\(Actual\ length =Length\times use\ fabric\)

Put the value into the formula

\(Actual\ length =1.5\times\dfrac{65}{100}\)

\(Actual\ length=0.975\ m\)

We need to calculate the total length of fabric

Using formula for total length

\(total\ length=Actual\ length\times Number\ of\ collars\)

Put the value into the formula

\(total\ length=0.975\times250\)

\(total\ length=243.75\ m\)

We need to calculate the number of fabric

Using formula for number of fabric

\(Number\ of\ fabric=\dfrac{total length}{length}\)

Put the value into the formula

\(Number\ of\ fabric=\dfrac{243.75}{1.5}\)

\(Number\ of\ fabric=162.5\approx 163\)

Hence, 163 fabric needed to make 250 collars.

Answer:

375

Explanation:

trust

When calculating forces and torques in a physical system such as the human body, it is possible to deduce the best way to lift an object without injuring yourself.

There are several factors that are important to consider when lifting objects, including the weight of the object, the position of the object, and the angle of the lift. By calculating the forces and torques involved in lifting an object, it is possible to determine the optimal technique for lifting the object without injuring yourself.  For example, lifting a heavy object with the back muscles alone can cause strain and injury. However, by using the legs to provide the majority of the lifting force, the back can remain relatively straight and avoid injury. Additionally, lifting an object from a lower position, such as from the ground, can require more force and torque than lifting an object from a higher position. Thus, it is important to consider the position of the object before attempting to lift it.  Overall, by carefully analyzing the forces and torques involved in lifting objects, it is possible to determine the optimal technique for lifting an object without injuring yourself. This can help prevent injury and ensure that the task is completed safely and efficiently.

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Explanation:

The main artery of the lower limb is the femoral artery. It is a continuation of the external iliac artery (terminal branch of the abdominal aorta). The external iliac becomes the femoral artery when it crosses under the inguinal ligament and enters the femoral triangle.

In the femoral triangle, the profunda femoris artery arises from the posterolateral aspect of the femoral artery. It travels posteriorly and distally, giving off three main branches:

Perforating branches – Consists of three or four arteries that perforate the adductor magnus, contributing to the supply of the muscles in the medial and posterior thigh.

Lateral femoral circumflex artery – Wraps round the anterior, lateral side of the femur, supplying some of the muscles on the lateral aspect of the thigh.

Medial femoral circumflex artery – Wraps round the posterior side of the femur, supplying its neck and head. In a fracture of the femoral neck this artery can easily be damaged, and avascular necrosis of the femur head can occur.

After exiting the femoral triangle, the femoral artery continues down the anterior aspect of the thigh, through a tunnel known as the adductor canal. During its descent, the artery supplies the anterior thigh muscles.

The adductor canal ends at an opening in the adductor magnus, called the adductor hiatus. The femoral artery moves through this opening, and enters the posterior compartment of the thigh, proximal to the knee.  The femoral artery is now known as the popliteal artery.

Answer:

Various species in one place

Anisogamy can influence sexual selection through the following ways: female fitness limited by fecundity, male fitness limited by access to female gametes, biased operational sex ratios, and sexual conflict.

Anisogamy refers to the difference in gamete sizes between males and females. This difference can lead to variations in reproductive success and the evolution of specific mating strategies. Female fitness can be limited by fecundity (the ability to produce offspring), while male fitness can be limited by access to female gametes. Biased operational sex ratios, where one sex is more abundant, can affect mating opportunities. Additionally, sexual conflict arises due to conflicting reproductive interests between males and females.

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The gas that the lab students are collecting is most likely oxygen. When plants are exposed to bright sunlight and warm temperatures, they undergo photosynthesis, which is a process that produces oxygen gas as a byproduct.

During photosynthesis, plants take in carbon dioxide from the air and use sunlight to convert it into energy-rich organic compounds like glucose. Oxygen gas is produced as a waste product of this process.

While the exact mechanism of photosynthesis is still not fully understood, we know that it is responsible for the production of oxygen gas in the Earth's atmosphere. Without photosynthesis, our planet would be uninhabitable for most forms of life.

The lab students are probably collecting the oxygen gas given off by the plant in order to study it more closely. By doing so, they can learn more about how plants produce oxygen and how this gas is essential for life on Earth.

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You must move the DNA to a clean container, such as a test tube or a small beaker, so that you can view the hazy, stringy mass of DNA at the conclusion of the procedure.

The DNA is the stringy, hazy mass. Alcohol makes DNA less soluble in water, thus when it is added to strawberry extract, it causes the DNA to precipitate out of the solution. As a result, the DNA congregates and manifests as a solid mass.

The cell and nucleus are split open during lysis, which causes the release of DNA. During this mechanically disruptive process, enzymes and detergents like Proteinase K breakdown the cellular proteins and liberate DNA.

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Explanation:

The double helix unwinds and each strand forms a template for a new strand. The paired bases release many types of proteins. The DNA is cut into pieces using polymerase enzymes.

Answer:

The double helix unwinds, and each side is a template for a new strand.

Explanation:

First box: Self-fertilization/self-pollination of F1 flowers

Second box: Determine F2 generation phenotypic ratios

ANSWER :

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The accurate statement about intrusive igneous rocks is: (C) It is made from magma that cools slowly.

Igneous rocks are also called the magnetic rocks. They are formed by the cooling down and crystallization of the magma. These are further of two types: intrusive and extrusive. Polished granite is made from igneous rocks that is very commonly used to make the kitchen counter-top.

Magma is the extremely hot molten lava present in the mantle layer of the Earth. This magma when goes deep inside the Earth's crust layer, it causes volcanic eruptions. The magma is formed due to the meting of rocks.

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Dark urine can be a sign that the urine is concentrated, meaning that there is a higher amount of solutes (such as urea, creatinine, and electrolytes) relative to water in the urine.

The kidneys are responsible for filtering the blood and regulating the composition of the urine. When there is a higher concentration of solutes in the blood, due to dehydration or other factors, the kidneys respond by reabsorbing more water from the urine back into the bloodstream to maintain a proper balance of solutes and water in the body. This results in a smaller volume of urine being produced, but with a higher concentration of solutes.

In terms of osmosis, water will move from an area of low solute concentration (such as the kidney tubules) to an area of high solute concentration (such as the bloodstream) to maintain an equal concentration of solutes on both sides of the membrane. So, in the case of concentrated urine, the kidneys are actively reabsorbing water from the urine by osmosis to maintain a proper balance of solutes in the body.

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Answer:

skeletal system, nervous system, and digestive system

Explanation:

our nervous system controls our every movement (walking) and skeletal because it makes up the frame work if not we would be total blobs of jello haha. anyways but then when your eating our digestive system when we swallow if goes through the whole phase of digestive system. and then it has to come out somehow so the digestive system at the end we go ahead and do our business.

hope this helps!

Answer:

TAAGCTTAGCCCCATGAT

Explanation:

A - T

T - A

C - G

G - C

Answer:

False

Explanation:

It overlaps with the lithosphere. Since some rocks produce water.

Answer:

False

Explanation: