transcription of inverted repeats produces an mrna with complementary segments. what type of secondary structure do they form through folding?

Answer: hi im brain bot

im not sure i know this one im stumped

Explanation:

The event occurs as nerve impulse reaches the synaptic knob, neurotransmitter molecules diffuse across the synaptic cleft. These molecules bind to receptors in the postsynaptic cell and voltage change occurs in the postsynaptic cell. A nerve impulse begins in the postsynaptic cell. The correct option is C.

The metabolic pathway by which a neuron interacts with a target cell across a synapse is known as synaptic transmission.

Chemical synaptic transmission is characterized by the release of a neurotransmitter from the presynaptic neuron and the binding of the neurotransmitter to specific post-synaptic receptors.

Synaptic transmission is the process by which a nerve impulse (action potential) travels from the presynaptic neuron to the post-synaptic neuron across the synaptic gap. An action potential is an electrical impulse that travels down the axon of a neuron.

As the nerve impulse arrives at the synaptic knob, neurotransmitter molecules diffuse across the synaptic cleft. These molecules bind to receptors in the postsynaptic cell, causing voltage changes in the cell. and finally nerve impulse begins in the postsynaptic cell.

Thus, the correct option is C.

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Your question seems incomplete, the probable complete question is attached below:

Answer:

C. glycolysis.

Explanation:

Hope this will help

Explanation: your answer is A

Answer:

The circulatory system will not function well, which will affect all other body systems. A.

Explanation:

I did the quiz. hope that helped :)

Answer:

A G C A C G T G C C T

Explanation:

Answer: They have streamlined bodies with poweful muscles

Explanation: them are some strong boys

Oil spill has detrimental effects on the environment.

During transportation of oil, the leakage of oil that occurs in the water bodies, specifically in the oceans and seas is referred to as oil spill.

This spilled oil floats on the surface of water. This oil has effects on aquatic animals as well as the birds that hover around the water bodies. For instance, if the feathers of the seabirds get oiled, the birds can die of hypothermia. Many fishes and planktons die because of the oil spilled.

The oil droplets present on the surface are degraded by the process of photooxidation that happens due to exposure to light and oxygen. This also results in the formation of free radicals that are harmful to the water body as well as to the organisms present in water.

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Horse tail (Equisetum) and Mucor  are not kept in the same kingdom as they belong to different kingdoms because they exhibit distinct characteristics and are classified based on their evolutionary history, cellular organization, and reproductive strategies.

Horse tails, also known as horsetails or Equisetum, are members of the plant kingdom, specifically the division Equisetophyta.

They are vascular plants that reproduce by spores.

Horse tails have a unique appearance, with jointed stems, whorls of tiny scale-like leaves, and reproductive cones at the tips of their stems.

They have a complex life cycle with alternation of generations, including both a sporophyte (dominant diploid phase) and a gametophyte (haploid phase).

Their cells have a rigid cell wall composed of cellulose, a characteristic feature of plant cells.

On the other hand, Mucor belongs to the kingdom Fungi.

Mucor is a genus of fungi within the phylum Zygomycota.

Fungi are eukaryotic organisms that lack chlorophyll and obtain nutrients through absorption.

They have a filamentous body structure called mycelium, composed of thread-like hyphae.

Mucor reproduces asexually through the production of spores, which are formed by the fusion of genetically distinct hyphae.

Fungi are heterotrophic, meaning they obtain their nutrients by breaking down organic matter in their environment.

The differentiation of horse tails (plants) and Mucor (fungi) into separate kingdoms is based on fundamental differences in their cellular organization, nutritional strategies, and reproductive mechanisms.

While both horse tails and Mucor are multicellular organisms, they belong to distinct lineages of life with diverse evolutionary histories, leading to their classification in separate kingdoms.

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Answer:

d)

Explanation:

The abnormality that will result in a male having some female characteristics is Klinefelter syndrome that is Option D is the correct answer. The Klinefelter syndrome, which has XXY genotype. This disease affects only the male

Chromosomal abnormalities are of different types; some are related to autosomes, and some are related to X and Y chromosomes. The down syndrome happens due to the trisomy in the 21st chromosome, which means instead of two chromosomes, there are three chromosomes.

In Patau syndrome, the trisomy is seen in the 13th pair of homologous chromosomes, and as a result, instead of two chromosomes, three are present. Klinefelter syndrome is associated with males who have an extra X chromosome. Infertility is observed as a result of this male display of female characteristics, such as behavioral changes. Turner syndrome is associated with females who have lost one X chromosome.

As a result, the correct answer is option D, which is Klinefelter syndrome, which is XXY.

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The correct option is discontinuous; continuous.

Let's understand this in detail:

1. The lagging strand of DNA is synthesized discontinuously while the leading strand is synthesized continuously. During DNA replication, the leading strand of DNA is synthesized continuously, whereas the lagging strand is synthesized discontinuously.

2. The synthesis of the leading strand is continuous since the DNA polymerase enzyme only needs to add nucleotides to the 3’ end of the growing DNA strand as the replication fork moves forward. The leading strand continuously grows in the same direction as the replication fork moves.

3. During the synthesis of the lagging strand, DNA polymerase adds nucleotides to the 3' end of the Okazaki fragments, moving away from the replication fork, and then the fragments are joined together by the enzyme DNA ligase. This process of discontinuous replication results in the lagging strand being synthesized in short fragments called Okazaki fragments.

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Answer:

Dorsal lol, its contracts and pumps blood to the aortic arches.

Answer:

With no doubt ,

The cell is the building block of all living things.

Answer:

B. Fast rotation, slow revolution.

The two phrases that describe the motion of all the outer planets are fast rotation and slow revolution. Therefore,the correct option is B.

Outer planets, such as Jupiter, Saturn, Uranus, and Neptune, have relatively fast rotational speeds, meaning they spin on their axis more rapidly compared to the inner planets like Earth and Mars.

However, their revolution around the Sun is slower, as they are farther from the Sun and require more time to complete one orbit.

All outer planets have a slower revolution around the Sun compared to the inner planets. This is because their larger orbital paths result in longer orbital periods.

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The cell cycle which is faster than the normal and too many of abnormal cells are being produced rapidly

Breast cancer can be occur in women and rarely in the men. Symptoms of the breast cancer include the lump in the breast, the bloody discharge from the nipple and the changes in the shape or the texture of the nipple or in the breast. Its treatment depends on the stage of the cancer. It may consist of the chemotherapy, the radiation, hormone therapy and the surgery, breast cancer is very treatable if you spot it early. it Localized cancer (meaning it hasn't spread outside your breast) can usually be treated before it spreads. Once the cancer was begins to spread, the treatment becomes more complicated. It can also often control the disease for years and year

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The action that has a positive effect on air resources Is walking to work or school because it reduce pollution that might occur from exhaust fumes of car.

Air resources are materials or gasses or substances that are abundant in the air which replenish itself and don't diminish or is not exhausted which is useful to living things.

Therefore, The action that has a positive effect on air resources Is walking to work or school because it reduce pollution that might occur from exhaust fumes of car.

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The type of cell junction that will have the junction proteins made of cadherins and connect to intermediate filaments inside the cell is desmosomes.

Desmosomes are a type of cell junction that are found in tissues that are subject to mechanical stress, such as skin, heart muscle, and uterus. They are responsible for holding adjacent cells together and providing structural support. The junction proteins in desmosomes are called desmosomal cadherins, which are transmembrane proteins that extend from one cell to the next and form a strong adhesion between them. These cadherins connect to intermediate filaments inside the cell, which are a type of cytoskeletal protein that provide mechanical support to the cell. The interaction between desmosomal cadherins and intermediate filaments makes desmosomes one of the strongest cell-cell adhesion structures in the body.

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Answer:

Answer. Biotic factors are the living things in an ecosystem so they do not recycle. Abiotic factors are the different physical and chemical components available like temperature, air, water, minerals, rocks,and PH. Not ll of them are recycled.

The role of both factors within a nutrient cycle is very important  because nutrients cycling through biotic and abiotic systems constantly.

Plants, animals, microorganism and organic matter are the biotic locations of nutrients while on the other hand, the atmosphere, water, and soil represent the abiotic locations. Nutrients are constantly moving or cycling through biotic and abiotic systems.

So we can conclude that the role of both factors within a nutrient cycle is very important  because nutrients cycling through biotic and abiotic systems constantly.

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Answer:

Mutations are caused by environmental factors known as mutagens.

Explanation:

In the given scenario where glucose and hemoglobin are diffusing in water, and a small amount of each is present, we are required to determine the amount of time that passes before the glucose reaches 5.00 of the head of the hemoglobin and the differences in arrival times with the newlytical tooligos chromatography.To solve this, we will make use of the concept of chromatography. Chromatography is a technique used to separate different components present in a mixture. It is widely used in the field of biochemistry for the separation of different biomolecules, including proteins, nucleic acids, and amino acids.In this technique, the mixture is first applied to a stationary phase, which may be a solid or liquid phase, and then a mobile phase is passed through the stationary phase. The mobile phase carries the different components of the mixture through the stationary phase, and the components are separated based on their differential interaction with the stationary phase and the mobile phase.In the given scenario, we can use column chromatography to separate glucose and hemoglobin. A column packed with a stationary phase, such as a resin, is used, and a mobile phase, such as water or a buffer solution, is passed through the column. The glucose and hemoglobin will interact differently with the stationary phase and the mobile phase, leading to their separation.In column chromatography, the time taken for a molecule to travel through the column is called the retention time. The retention time is different for different molecules based on their interaction with the stationary phase and the mobile phase.To determine the amount of time it takes for glucose to reach 5.00 of the head of hemoglobin, we can measure the retention time of glucose and hemoglobin and use this information to calculate the time taken by glucose to reach a specific point in the column. We can use an analytical tool such as gas chromatography, liquid chromatography, or ion chromatography to measure the retention time of glucose and hemoglobin and then calculate the time taken by glucose to reach 5.00 of the head of hemoglobin.

Hemoglobin is a metalloprotein in red blood cells that functions as a carrier of oxygen from the lungs throughout the body, in mammals and other animals. Hemoglobin also carries carbon dioxide back to the lungs to be exhaled out of the body. Normal hemoglobin levels in children are 9-14 grams/dL. Normal hemoglobin levels in adolescents are 10-15 grams/dL. Normal hemoglobin levels in adult men are 13-17 grams/dL. Normal hemoglobin levels in adult women 12-15 grams/dL.

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The RBCs of B blood have antigens of the B group. The correct option is "OB antigens". The statement "The islets of Langerhans produce glucagon" is true.

Red Blood Cells (RBCs) contain antigens, which are substances that can be recognized by the immune system. There are two main types of antigens that determine blood type: A and B. In addition to these antigens, blood can also contain Rh factor antigens (positive or negative). The RBCs of B blood contain antigens of the B group. These antigens trigger the production of antibodies against B antigens (anti-B antibodies) in people who have different blood types such as A or AB.

The islets of Langerhans produce insulin and glucagon. The islets of Langerhans are located in the pancreas, which produces hormones that regulate glucose levels in the blood. Insulin and glucagon are two of these hormones. They work together to regulate glucose levels by balancing each other out. In response to high blood sugar levels, the pancreas releases insulin, which signals the body's cells to absorb glucose. When blood sugar levels are low, the pancreas releases glucagon, which signals the liver to release stored glucose into the bloodstream. Thus, the islets of Langerhans play a crucial role in maintaining blood sugar levels.

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Answer:

Selective breeding! :D

Explanation:

Selective breeding is were humans choose the traits given to the animal.

Answer: True

Explanation:

This statement is true.

Wavelength is the distance between identical points (adjacent crests) in the adjacent cycles of a waveform signal propagated in space or along a wire. In wireless systems, this length is usually specified in meters (m), centimeters (cm) or millimeters (mm).

Moreover, the wavelength of light is defined as “The distance between the two successive crests or troughs of the light wave”. It is denoted by the Greek letter lambda (λ). Therefore, the distance between either one crest or trough of one wave and the next wave is known as wavelength.

Hence, the distance between one peak and the next in a series of waves, or the distance between one trough and the next. It's also one of the “yardsticks” used to measure radiation.

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Answer:

A

Explanation:

Cancer is a disease of the cell cycle because it is characterized by abnormal and uncontrolled cell growth. The cell cycle is the process by which cells divide and replicate themselves in order to grow and repair tissues in the body.

Normally, the cell cycle is regulated by a complex network of signaling pathways and checkpoints that ensure that cells divide in a controlled and orderly manner. However, in cancer cells, this process becomes deregulated, and cells can divide and grow in an uncontrolled manner.

A tumor is a mass of abnormal cells that have grown out of control. Tumors can be benign, which means they are not cancerous and do not spread to other parts of the body, or malignant, which means they are cancerous and can spread to other parts of the body.

Benign tumors are usually not life-threatening, but malignant tumors can be very aggressive and can lead to serious health complications if not treated.

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there are 32 yellow counters in the bag.

About 36% of the counters are red, so the proportion of red counters is: 0.36

The proportion of yellow counters in the original bag is therefore:

\(1 - 0.36 = 0.64\)

Next, Jamal adds 50 blue counters to the bag. Let's say that the original number of counters in the bag was x. After adding 50 blue counters, the total number of counters in the bag is x + 50.

As 25% of the counters in the bag are now blue. So the number of blue counters in the bag is:

\(0.25(x + 50)\)

Similarly,

Red counters: 0.36x (since the proportion of red counters is still the same)

Yellow counters: (0.64)x (since the proportion of yellow counters is still the same)

The total number of counters in the bag is the sum of the red, yellow, and blue counters:

\(x + 50 = 0.36x + 0.64x + 0.25(x + 50)\)

Simplifying this equation, we get:

\(x + 50 = 1x + 0.25x + 12.5\)

Combining like terms, we get:

\(0.75x = 37.5\)

Dividing both sides by 0.75, we get:

\(x = 50\)

So there were originally 50 counters in the bag. We can now find the number of yellow counters in the bag:

Yellow counters = \((0.64)x = (0.64)(50) = 32\)

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Answer:

37.01

Explanation:

multiply the value in miles per hour by the conversion factor '1.609344'. So, 23 miles per hour = 23 × 1.609344 = 37.014912 kilometers per hour.

Electrophoresis tool is used for PCR result analysis. thus option D is correct.

Electrophoresis has the ability to pass charged molecules  in an  electric field, it is the separation of proteins which  is usually accomplished using polyacrylamide gel electrophoresis  (PAGE).

In this process where the proteins are driven by an applied current through a gel based matrix.

these polyacrylamide gel is formed as a thin slab between two glass plates or as a  cylinder within a glass tube.

The primary objective of electrophoresis is to separate DNA molecules based on their size which  may be completed on a gene of interest prior to electrophoresis.

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Answer:

SNP analysis

Explanation:

Correct on my exam