The methadone molecule is structurally similar to the ________ molecule and is about as potent as that specific chemical:
a. codeine
b. sigma
c. morphine
d. heroin

Answer:

The answer is 4/D)4. Don't expect me to get scientific in this, I'm using brainly and coursehero after all. Sorry for being a year late, hopefully it took you a year to finish the test. . .

Explanation:

K12/Keystone

The actual diameter of the nuclei is 10.95 μm and the magnification is 739.

(a) To calculate the actual mean diameter of the nuclei in HEK 293T cells in µm,

10 mm / 7.4 μm = x mm / 8.1 μ = 10.95 mm

Therefore, the actual mean diameter of the nuclei in HEK 293T cells is 10.95 μm.

(b) We know from part (a) that the actual mean diameter of the nuclei is 10.95 μm, and we can estimate the mean diameter of the nuclei in the image to be 8.1 mm.

Magnification = (apparent size / actual size)

Thus, the apparent size is 8.1 mm, and the actual size is 10.95 μm. Converting the actual size to mm, we get:

10.95 μm = 0.01095 mm

Substituting these values into the formula, we get:

Magnification = (8.1 mm / 0.01095 mm) = 739

Therefore, the magnification of the image is 739 (rounded to the nearest integer).

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True. These mature cells in humans carry oxygen, have no nucleus, and lack cytoplasmic organelles.

The statement is true. The cells being described are red blood cells, also known as erythrocytes. Red blood cells are specialized cells in humans that play a vital role in transporting oxygen throughout the body. They lack a nucleus and most cytoplasmic organelles to make more space for the protein hemoglobin, which binds and carries oxygen. The absence of a nucleus allows for more efficient oxygen transport and flexibility of the cell's shape, enabling it to squeeze through narrow capillaries. Red blood cells are produced in the bone marrow and have a lifespan of about 120 days before being recycled by the body.

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Answer:

rare-earth element, any member of the group of chemical elements consisting of three elements in Group 3 (scandium [Sc], yttrium [Y], and lanthanum [La]) and the first extended row of elements below the main body of the periodic table (cerium [Ce] through lutetium [Lu]).

Answer:

A. 25 weeks

Explanation:

It's the shortest amount of time.

Hope this helps! :)

Answer:

25 weeks

Explanation:

25 minutes would probably be a short term goal. If it takes someone only 25 minutes to do, that would be a pretty short and easy goal. It COULD be 25 weeks.

Answer:

Measurements…maybe

Answer:

Now scientists can also analyze DNA to discover how closely organisms are related. Every living creature has DNA, which has a lot of inherited information about how the body builds itself. Scientists can compare the DNA of two organisms; the more similar the DNA, the more closely related the organisms.

Marisol has an intrauterine device. Marisol is unlikely to experience a serious complication from using this device. The correct answer is C.

According to the American College of Obstetricians and Gynecologists (ACOG), IUDs are one of the most effective and safe forms of birth control available. They are more effective than oral contraceptives, and they have fewer side effects.

IUDs are also very safe. The risk of serious complications from IUDs is very low. The most common side effects of IUDs are cramping and bleeding in the first few months after insertion. These side effects usually go away on their own.

IUDs are a good option for women who want a long-term, reversible form of birth control. They are also a good option for women who cannot or do not want to take oral contraceptives.

Therefore, the correct option is C, Marisol is unlikely to experience a serious complication from using this device.

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CLIMATE IS THE AVERAGE YEAR TO YEAR CONDITIONS OF WEATHER IN AN AREA.

Climate is generally defined as the weather condition that prevails in a particular region over a long period of time. Climate is usually measured by examining the pattern of variation in several climatic factors such as rainfall, temperature, relative humidity, wind, pressure, etc. While the weather of a place can change within a space of few hours, it takes years for a change in climatic condition to occur.  

In a nutshell, climate is the long-term pattern of weather in a certain location. Some scientists describe climate as the average weather for a specific place and time period, often over a 30-year period. It's essentially a typical weather pattern for a certain location.

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If nondisjunction, a process in which the homologous chromosomes fail to separate, occurs during meiosis I, the offspring will either have one too many or one too few numbers of chromosomes.

Chromosomes are thread- suchlike structures set up within the nexus of both beast and factory cells. Each chromosome is composed of protein as well as a single patch of deoxyribonucleic acid( DNA). DNA, which is passed down from parents to seed, contains the specific instructions that distinguish each living critter. The word chromosome is deduced from the Greek words for color( hue) and body( bodies)( soma). Chromosomes were given this name by scientists because they're cell structures or bodies that are heavily stained by some various colorings used in exploration. The chromosome's unique structure keeps DNA tightly wrapped around spool- suchlike proteins known as histones. DNA motes would be too long to fit inside cells if they weren't packaged in this manner.

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In a cladogram, the animals are placed in order from the least to most closely related. Starting from the least closely related organism, the cladogram could include an alligator, a cow, a human, and a chimpanzee, in that order.

The alligator, being the furthest away in the cladogram, is the least closely related organism. The cow, closely related to the alligator, but still separate enough to be its own organism, follows next in the cladogram.

A human, more closely related to the cow and the alligator, is the third organism in the list. Lastly, the closest related organism to the alligator, cow, and human is the chimpanzee, making it the final organism in the cladogram.

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Answer:

The balloon moves back to the sweater.

Explanation

For plato and edmentum

Answer:

Aa would be ur answer:)))

Fibroblasts are connective tissue cells that arise from monocytes.

However, these fibroblasts produces proteins that are used to maintain a structural framework for in the body tissues.

Connective tissue are tissues that protect and support other tissues and organs within the body system.

Connective tssues gives structural framework work for tissues and organs of the body.

Tissues refers to a group of similar cells which perform the same function.

Group of similar tissues come together to form organ.

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The sink into groundwater and flow into the waterways when landfills are not lined. TRUE

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Answer:

D. a decrease in the # of chromosomes

Explanation:

Meiosis, also called reduction division, division of a germ cell involving two fissions of the nucleus and giving rise to four gametes, or sex cells. According to Britannica and BiologyDictionary.

The signal released from the synaptic vesicles is a neurotransmitter, and the type of signal it represents is chemical, option (b) is correct.

Neurons communicate with each other through synapses, which are specialized junctions between the presynaptic neuron (sending neuron) and the postsynaptic neuron (receiving neuron). When an action potential reaches the end of the presynaptic neuron, it triggers the release of chemical signals called neurotransmitters from synaptic vesicles into the synaptic cleft, which is the small gap between the two neurons.

These neurotransmitters diffuse across the synaptic cleft and bind to specific receptors on the postsynaptic neuron's membrane. This binding process initiates a series of biochemical events in the postsynaptic neuron, leading to the generation of electrical signals and the transmission of information from the presynaptic neuron to the postsynaptic neuron, option (b) is correct.

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Answer:

Most bacteria are from 1 to 10 micrometers long. For every step down in scientific notation (100 to 10-1), an item gets 10 times smaller. 10-5 is 1,000 times (10 x 10 x 10) smaller than 10-2

Explanation:

Answer:

Most bacteria are from 1 to 10 micrometers long. For every step down in scientific notation (100 to 10-1), an item gets 10 times smaller. 10-5 is 1,000 times (10 x 10 x 10) smaller than 10-2

Explanation:

A scientist found a correlation between honeybees and a certain species of flowering plant. When the bee population increases, so does the flowering plant population. And when the flowering plant population decreases, so does the bee population.

The scientist could do a Investigate populations of the honeybee and plant species that live in areas where the other species is not present.

Population- A population is described as a collection of people who belong to the same species and cohabit a certain region. In order to survive throughout time, individuals of a population frequently rely on similar resources, are susceptible to the same environmental restrictions, and affect the availability of other members.

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Cows should not be confined in a holding pen for more than an hour before milking.

A cow should spend as little time as possible when she is unable to eat or rest. Although it may seem obvious, it is harder said than done to complete the work. Cows shouldn't be kept in the holding enclosure for more than an hour at a time.  When compared to cows who spend only 3 hours a day in the holding pen, cows who spend 6 hours a day there produce 5 to 8 pounds less milk daily.  The easiest way to shorten this period is to rear fewer cows at once or to simply divide up the cows into smaller groups.  Getting cows through the parlour more quickly can also result in more turns each hour, which will eventually get the cows out of the holding pen more quickly.

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Answer: B

Explanation: When you are using a scale to get a weight of an object that is gathering scientific information because finding the weight of things is essential to find even more important things like density.

Answer:

C ) 60 degree

Explanation:

Answer:

C

Explanation:

The correct answer is D) it can support body growth. High-quality protein does provide 7 kcal/g of energy and contains all essential amino acids, but it does not provide the energy or nutrients necessary for body growth.

Protein is essential for the growth, maintenance, and repair of body tissues, and it is an important part of a healthy diet. High-quality proteins provide the essential amino acids needed for body growth and development, and they also help to build and repair body tissues.

Protein also provides energy, with approximately 7 kcal/g. Good sources of high-quality protein include lean meats, fish, eggs, dairy products, legumes, nuts, and seeds. Eating a variety of protein sources throughout the day can help to ensure adequate intake of all the essential amino acids.

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Answer:

I have put the question like this ;

Tiles

1. construct a hypothesis

2. communicate the results

3. test the hypothesis

4. make observations

5. analyze the results and

make a conclusion

6. ask questions

Pairs

A. Bread, when kept in the open for a

long time, shows the presence of mold.

B. What causes mold growth on bread?

C. Changes in temperature may affect

the growth of mold on bread.

D. Keep the bread in different locations,

changing the temperature at each location.

E. Increased temperature leads to the

growth of mold.

F. Make a presentation of the data, and

explain it to the class.

Explanation:

1- C ( this is an assumption; a hypothesis is always based on an assumption.

2- F ( this states to share the results with other classmates).

3- D (this is a description of an experiment you could conduct; you test a hypothesis (usually) by conducting an experiment.

4- A (this is something you could observe during the experiment, therefore it is an observation).

5- E (this sentence is a conclusion).

6- B (This is an actual question)

The diagnostic test that produces a three-dimensional image of the heart as blood flows through it is called a cardiac magnetic resonance imaging (MRI) with contrast.

It uses a powerful magnetic field and radio waves to produce detailed images of the heart's structure and function. Contrast dye is injected into the patient's bloodstream to highlight the blood vessels and blood flow within the heart.

The resulting images can be viewed in three dimensions, providing valuable information for diagnosing and treating heart conditions.

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Answer:

Average precipitation

Explanation:

The precipitation causes the distinguishing of tropical rain forest to northwestern coniferous forest

The GFP is not present in the white bacteria culture, so it is not required for the subsequent purification step.

Due to the fact that bacteria can naturally undergo a variety of mutations, a single colony inoculum is preferable. Some mutations, particularly phages, and transposons, are unstable, making it possible for some cells to lose characteristics that are crucial to the selection scheme and potentially making the analysis more difficult.

White colonies, on the other hand, are unable to metabolize X-Gal to produce the blue color because they do not produce functional -galactosidase after acquiring the plasmid that contains the inserted DNA and disrupts the lacZ gene. The recombinant bacteria can be found in these white colonies, which should be chosen.

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The de novo cholesterol synthesis begins with the production of acetyl CoA through the acetate or citrate.

Acetyl CoA is then transformed into the 3-hydroxy-3-methylglutaryl-CoA (HMG CoA), mevalonate, squalene, lanosterol, and cholesterol through cholesterol several enzymatic transformations.

What is Cholesterol is generated ?

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Answer:

i need help too

Explanation:

i need it today

Answer:

1. 23.5 degrees

2. 24 hours

3. 365 days

10. Earth's axis is tilted

Explanation: those are the only ones I know good luck :D!