Identify the terms described by selecting the correct word from the drop-down menu

Answer:

ok

Explanation:

yes

Answer:

i dont know

Explanation:

The total magnification will be 100 times when using the scanning objective in the compound light microscope if the ocular lens power of 10X.

A comparison of the size of the picture produced by a lens and the size of the object is what is meant by the term "magnification."

Magnification, or "m," for a lens, is the proportion of the image's height to the object's height.

The sum of the magnifications from the two lens systems is the overall magnification.

Thus, as a result, the 10X objective and 10X ocular lenses on the microscope would magnify the object by 10 x 10 or 100 times.

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The drug is called Signal transduction inhibitor.

Drugs called signal transduction inhibitors may prevent cancer cells from rapidly multiplying and invading other tissues. A substance in a cell that prevents signals from passing from one molecule to another.

Signal transduction inhibitors (STIs) like IMATINIB and ERLOTINIB bind to the ATP-binding site of tyrosine kinases—not the substrate-binding site—and can have an impact on many cell functions, including cell division and death. They can also kill cancer cells.

Drug discovery is increasingly focusing on protein kinases, enzymes that phosphorylate proteins and other organic molecules. The signal-transduction pathways that are crucial to a wide range of disorders, particularly cancer and inflammatory diseases can be disrupted by inhibiting these enzymes.

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Patient 3 blood contains A antigen and Rh antigen.

Antibody-antigen reactions are reactions which occur when matching antigens and antibodies are mixed together.

In blood, antigen-antibody reactions result In agglutination of blood.

In the image shown, when Patient 3 blood is mixed with anti-A and anti-Rh aggluitination occurs, but no agglutination occurs with anti-B.

Therefore, Patient 3 blood contains A antigen and Rh antigen.

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Answer: B Antigen

Explanation: Other answer is wrong lol

The correct nitrogen base pair is d. cytosine → guanine.

In DNA, there are four nitrogenous bases: adenine (A), thymine (T), cytosine (C), and guanine (G). These bases pair up in a specific manner known as complementary base pairing. Adenine always pairs with thymine, and cytosine always pairs with guanine.

Option a. adenine → guanine is incorrect because adenine does not pair with guanine. Adenine pairs with thymine.

Option b. thymine → cytosine is incorrect because thymine does not pair with cytosine. Thymine pairs with adenine.

Option c. deoxyribose → phosphate is incorrect because these are not nitrogenous bases. Deoxyribose is a sugar molecule, and phosphate is a component of the DNA backbone.

Option d. cytosine → guanine is the correct answer because cytosine indeed pairs with guanine in DNA.

Therefore, the correct nitrogen base pair is d. cytosine → guanine.

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Answer: B

Explanation:

Because Metal is a poor conductor of heat the inside of a plastic container is insulated and the ice cream will stay cooler longer

A  situation in which an area with a high diversity index is healthier than an area with a low diversity index is an ecological niche filled with tall trees that has high richness in nutrients and also evenness in growth while  another ecological niche filled with the same trees that has only few species that has low richness and and low evenness.

An asexual method of making new organisms is budding. A new organism is created in this procedure from a tiny fragment of the parent organism. A newly created bud separates to grow into a new organism. As it continues to develop, the freshly formed organism is still attached.

The benefits of sexual reproduction include the offspring's genetic diversity. The species has a survival advantage because of its ability to adapt to new surroundings. A illness has a lower likelihood of affecting the entire population.

The Canada lynx (Lynx canadensis), which feeds on snowshoe hare, is an illustration of a carnivorous specialist.

An organism has a wide niche if it has adapted to a wide variety of environmental conditions in order to survive. The creature can exist in a variety of diverse situations based on its extensive range of adaptations and survival abilities.

Examples of structural adaptations include an organism's physical traits, such the bill of a bird or the fur of a bear. The remainder consists of behavioral modifications. Behavioral adaptations are used by organisms to help them survive. Calls and migration are two examples of behavioral adaptations in birds.

Because natural selection is the process that leads to this, the adaptation is suitable for a certain niche. A species' nature gradually changes as a result of natural selection in order for it to fit into the niche. If a species becomes extraordinarily well adapted to its habitat and the environment does not change, it can survive for a very long time before going extinct.

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In some respects, the early stem primates in the Paleocene, such as the plesiadapiformes, resemble modern primates.

Plesiadapiformes are an extinct group of mammals that are considered to be early stem primates. While they are not direct ancestors of modern primates, they exhibit some characteristics that resemble those of modern primates. Plesiadapiformes share certain features with primates, such as grasping hands and feet, forward-facing eyes, and adaptations for arboreal (tree-dwelling) lifestyles. These features suggest an ability to navigate and manipulate in a three-dimensional environment, similar to what is seen in modern primates.

However, it is important to note that plesiadapiformes also have some differences from modern primates, such as dental and skeletal characteristics that distinguish them as a separate group. Nonetheless, their similarities in certain aspects provide insights into the evolutionary trends and adaptations that eventually led to the development of primates as we know them today.

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Answer:

Explanation:Yes, the DNA strands are antiparallel because of the way that the nucleotides are paired and linked together in a DNA molecule.

DNA is made up of two complementary strands of nucleotides, which are the building blocks of DNA. Each nucleotide is composed of a sugar molecule, a phosphate group, and a nitrogenous base. The sugar and phosphate groups are linked together to form the backbone of the DNA strand, while the nitrogenous bases pair up in the center of the molecule.

The nitrogenous bases in DNA include adenine (A), thymine (T), cytosine (C), and guanine (G). A always pairs with T, and C always pairs with G. These base pairs are held together by hydrogen bonds.

The antiparallel nature of DNA arises from the orientation of the sugar molecules in each strand. The sugar molecules in DNA are arranged in a specific way, with a phosphate group linked to the 5' carbon of one sugar and the 3' carbon of the next sugar. The orientation of the sugar molecules is said to be 5' to 3' in one strand and 3' to 5' in the other strand.

This orientation creates a polarity in the DNA molecule, with one end having a free 5' phosphate group and the other end having a free 3' hydroxyl group. This polarity allows for the specific pairing of the two DNA strands in a complementary fashion, with the A-T and C-G base pairs forming in the center of the molecule.

Therefore, the two strands run in opposite directions and are referred to as antiparallel. This arrangement is critical for the stability and functioning of DNA, as it allows for accurate replication and transcription of genetic information.

A blue roan is a coat colour that can be seen in a variety of horse breeds rather than a particular kind of horse breed.

The mane, tail, and legs of blue roan horses are black, and their coat colour is the consequence of the genetic fusion of the roan gene with the black base colour gene.

Thoroughbreds, Arabians, Quarter Horses, and other horse breeds can all produce blue roans. Crossbred horses, such as draught horse or pony crosses, can also have the blue roan colouring. Blue roan is undoubtedly a hue that may be found in Arabian horses. The Arabian breed can have a variety of various coat colours and patterns, including blue roan, however its most well-known colours are bay, chestnut, and grey. In fact, some fans prize blue roan Arabians for their remarkable look and uniqueness. Arabian horses with blue roans will have a dark grey coat with black tips, and the amount of roaning will vary from horse to horse.

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Answer:

It is physical, the gold is still gold and there has not been any chemical change. Melting, boiling, freezing, etc. are physical changes.

The component that is absolutely necessary for the purification of a protein is the affinity column chromatography.

Affinity column chromatography is a type of liquid chromatography that uses immobilized molecules or chemical groups to separate and purify molecules of interest from a complex mixture. This technique depends on the specificity of the binding of the molecules of interest to the immobilized molecule, which binds the protein of interest while other molecules pass through the column. An affinity column is filled with an adsorbent that has a unique ability to bind to a particular protein or group of proteins with high specificity. As a result, the protein or proteins of interest are bound to the adsorbent while other proteins and contaminants are washed through the column.

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Recombinant DNA, or rDNA, is vital because it lets scientists change and use DNA sequences to make new molecules that do specific things. Pill, agriculture, and environmental science are just a few of the biological and biotechnological fields this technology has revolutionized.

The production of recombinant hepatitis B vaccines is one application of rDNA technology. A serious viral infection known as hepatitis B can cause liver disease and cancer. The recombinant hepatitis B immunization is made by embedding the quality of the hepatitis B surface antigen into a bacterium or yeast cell. The surface antigen protein, which is used to make the vaccine, is then produced in large quantities by the cell.

In the past, vaccines were frequently produced by cultivating viruses in culture and then inactivating or attenuating them prior to use as vaccines. The vaccine may still contain residual viral activity due to this time-consuming procedure. Many important vaccines, including those for hepatitis B, HPV, and COVID-19, have been developed through the faster, safer, and more efficient use of rDNA technology in the production of recombinant vaccines.

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Answer:

There will be an extra chromosome in the offspring thereby leading to aneuploidy

Explanation:

Please see the attached file

Neurotransmitter synthesis requires the vitamin B-6 coenzyme. All of the given options like gamma-aminobutyric acid (GABA), norepinephrine and serotonin. The correct option to this question is B. All of these choices are accurate.

Neurotransmitters are chemical messengers in the nervous system that transmit signals between nerve cells.

Vitamin B-6 coenzyme is required for the synthesis of neurotransmitters. The options given in your question include Gamma-aminobutyric acid (GABA), Norepinephrine, and Serotonin, which are all classified as neurotransmitters.

GABA is an inhibitory neurotransmitter, while Norepinephrine and Serotonin are excitatory neurotransmitters involved in various functions like mood regulation, attention, and alertness.
All the choices (Gamma-aminobutyric acid, Norepinephrine, and Serotonin) are classified as neurotransmitters and require the Vitamin B-6 coenzyme for their synthesis.

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Answer:

I'd say A. Hummingbirds do not like the color white because they visit other colored flowers more often.

Explanation:

Based on the given information, Sam is experiencing precocious puberty. Precocious puberty is the early onset of puberty, usually before the age of 8 in girls and before the age of 9 in boys.

In Sam's case, the brain injury has caused an overproduction of testosterone, which has led to the early development of secondary sexual characteristics such as pubic hair growth and a change in his voice. It is important for Sam to receive medical attention and treatment to manage the effects of precocious puberty.

Sam is experiencing precocious puberty, which is the early onset of puberty before the typical age range. In his case, the overproduction of testosterone due to the brain injury has led to the development of pubic hair and voice changes.

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Answer:

D. A and B

Explanation:

Rusting occurs when a metal is exposed to both oxygen and water/moisture.

Answer:

Genetic engineering, also called genetic modification or genetic manipulation, is the modification and manipulation of an organism's genes using technology. It is a set of technologies used to change the genetic makeup of cells, including the transfer of genes within and across species boundaries to produce improved or novel organisms. New DNA is obtained by either isolating and copying the genetic material of interest using recombinant DNA methods or by artificially synthesising the DNA. A construct is usually created and used to insert this DNA into the host organism. The first recombinant DNA molecule was made by Paul Berg in 1972 by combining DNA from the monkey virus SV40 with the lambda virus. As well as inserting genes, the process can be used to remove, or "knock out", genes. The new DNA can be inserted randomly, or targeted to a specific part of the genome.

Genetic engineering is used by scientists to enhance or modify the characteristics of an individual organism.

Explanation:

Please mark me brainleist :)

Topics: is a heading in an outlined argument or exposition.

1. Biology Foundations

A subtopic that is part of a broader or more general topic.

2. Cells - (Week 1-4)

3.Energy and Transport- (week 4-8)

4. Cellular respiration (week 8-17)

5. Classical Genetics (week 18- 24)

6. Molecular Genetics (week 25- 29)

7. Human Body Systems (week 30- 34)

8. Ecology (week 35 - 36)

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Answer: Helium i think

Explanation:

In the food web of orca, great white shark, leopard seal, fish, squid, copepod, diatoms, and krill, the organism that has the most energy available is the diatoms. This is because diatoms are photosynthetic organisms that produce organic compounds from carbon dioxide and sunlight through photosynthesis.

The diatoms are primary producers, they produce organic molecules that store energy, and are used by primary consumers (herbivores) as a source of energy to fuel cellular respiration.

They are the base of the marine food chain and support all life in the ocean. Diatoms have the most energy available, followed by the krill, copepod, and fish, respectively, which are eaten by higher-level consumers like leopard seals, squid, great white sharks, and orcas.

Therefore, in the given food web, diatoms have the most energy available.

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A some antibiotics are produced by fungi

Answer:

the answer is A because anti biotic are not produced by fungi

Answer:

The term that describes the relationship in which one organism lives inside the other one is endosymbiosis.

Explanation:

Answer: planting native plants in a vacant lot

Explanation: you would rebuild the ecosystem that is native to the area

The action that would be taken by an individual person that is most likely to have a positive impact on an ecosystem may include planting native plants in a vacant lot. Thus, the correct option for this question is B.

An ecosystem may be defined as a place or an area that possesses members of different species togetherly and interact with one another for the purpose of food, space, shelter, and mating partner.

The growth of native plants will facilitate the stability of an ecosystem. This is because these plants grow more and reproduce naturally in order to exist in the ecosystem for a long period of time. While planting exotic shrubs in a community park, pine trees, and single economically valuable crops do not favor much in the stability of the ecosystem.

Therefore, the correct option for this question is B.

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Enamel is indeed the hardest substance in the human body. It is present in teeth of humans. It covers every tooth and provides the hard layer.

Tooth Enamel is hard glossy substance that is comprised of calcium and phosphate mineral crystals which in return makes our teeth more stronger. Teeth enamel care is extremely important to maintain the oral health of teeth.

Tooth Enamel is one of the major tissue that make up tooth in humans. It covers the top layer of the teeth known as Crown. Calcium hardens the tooth enamel. Enamel contains 96% of the minerals. The color of Enamel varies from light yellow to white.

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