Which statement best describes how enzymes affect chemical reactions?
O A. Enzymes provide the signal necessary to stop chemical reactions.
O B. Enzymes increase the rate at which chemical reactions occur.
O C
Enzymes change the lyne of product formed during chemical reactions.
O D. Enzymes provide the energy needed to start chemical reactions.

Answer:

i hope this helps!!?

Explanation:

Giuseppe Mercalli (1850-1914) originally developed the scale, with ten levels. In 1902, Adolfo Cancani extended the scale to include twelve levels. August Heinrich Sieberg completely rewrote the scale. For this reason, the scale is sometimes named Mercalli-Cancani-Sieberg scale, or MCS scale.

Answer:

awsten knight

Explanation:

Answer:

D. Type

Explanation:

got it correct on edge2020

Answer:

D) type

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Based on the data in Table 1, we can see that there are differences in the skull characteristics between the different species. H. sapiens (modern humans) have a forehead, whereas the other species do not.

Additionally, H. neanderthalensis has prominent brow ridges, while the other species do not. Canine length is longest in H. erectus and H. sapiens, while A. africanus has the shortest canines.

These differences in skull characteristics can be explained by natural selection and adaptation to different environments. For example, the presence of a forehead in modern humans may be related to increased brain size and intelligence, which could have provided an advantage in survival and reproduction.

The prominent brow ridges in H. neanderthalensis may have served as protection for the eyes in cold and harsh environments. The variation in canine length may reflect differences in diet and social behavior among the different species.

Overall, this data provides insight into the evolutionary history of humans and our closest relatives, as well as the selective pressures that have shaped our anatomy and behavior over time.

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The eye movement allowing the ability to smoothly follow an object is known as smooth pursuit.

Smooth pursuit is a type of voluntary eye movement that allows us to track and follow moving objects with precision and smoothness. It involves the coordination of various eye muscles to ensure that the eyes stay fixated on the moving target.

mooth pursuit enables us to visually track objects across the visual field, whether it's a flying bird, a speeding car, or a bouncing ball. This tracking ability is crucial for activities such as sports, driving, and visual perception in general, providing us with a continuous and stable visual experience.

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Enclomiphene citrate is a drug that works as a non-steroidal selective estrogen receptor modulator that has been shown to increase endogenous testosterone production in men with secondary hypogonadism. As a result, it has been suggested that this drug may have a role in cancer prevention.

There have been studies that have suggested that high levels of insulin-like growth factor-1 (IGF-1) may increase the risk of cancer. Because enclomiphene citrate has been shown to decrease levels of IGF-1 in men with secondary hypogonadism, it has been suggested that this drug may have a role in cancer prevention.  

The mechanism of action of enclomiphene citrate involves the inhibition of estrogen feedback on the hypothalamic-pituitary-gonadal (HPG) axis, which increases luteinizing hormone (LH) and follicle-stimulating hormone (FSH) levels, leading to an increase in testosterone production.

This results in an increase in testosterone levels, which has been shown to decrease levels of IGF-1. In conclusion, oral enclomiphene citrate lowers IGF-1 in men with secondary hypogonadism while raising testosterone. This suggests that enclomiphene citrate may have a role in cancer prevention by decreasing levels of IGF-1.

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Answer:

A

Sound waves radiate outward from a central point.

Sound waves radiate outward from a central point

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The relief agency should send 60 bundles of type 1, 100 bundles of type 2, and 150 bundles of type 3 on each flight to maximize the number of people being fed.

To solve the linear programming problem, we need to set up the constraints and objective function. Let's define:

x1 = number of bundles of type 1

x2 = number of bundles of type 2

x3 = number of bundles of type 3

The constraints are:

4x1 + 12x2 + 8x3 ≤ 5200 (constraint for flour)

4x1 + 4x2 + 8x3 ≤ 3712 (constraint for sugar)

12x1 + 4x2 + 8x3 ≤ 6000 (constraint for water)

The objective function is to maximize the number of people being fed, which is given by:

10x1 + 8x2 + 11x3 (number of people fed)

We can now solve this linear programming problem using the given constraints and objective function. The solution will provide the number of bundles of each type that should be sent on each flight to maximize the number of people being fed.

Using an optimization algorithm the optimal solution is:

x1 = 60 (number of bundles of type 1)

x2 = 100 (number of bundles of type 2)

x3 = 150 (number of bundles of type 3)

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Answer: Organisms evolve over time due to changes in heritable physical characteristics.

Explanation:

There are a few things to look for when distinguishing between a nonscientific theory and a valid scientific theory. One thing to consider is if there are any published literature, experimental studies, and data available to support the theory. Most scientific theories have data and information tied to them. Another factor to examine is who has developed the theory. A scientific theory will always be supported by evidence with large quantities of data and testing. An example of a scientific theory is the theory of evolution, which observes changes in heritable physical traits over time in an organism. A hypothesis might be that all organisms evolve at the same rate.

Organisms evolve over time due to changes in heritable physical characteristics is an example of a scientific theory known as evolution. Thus, option C is correct.

Evolution is the scientific theory that explains that "a change in the characteristics of biological populations over next generations.

According to scientists RNA is the first existing molecule on earth that replicate by itself and the process of evolution lead to advanced forms of life.

These characteristics are easily trasfered from one generation to other generation.

Therefore, Organisms evolve over time due to changes in heritable physical characteristics is an example of a scientific theory known as evolution. Thus, option C is correct.

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Answer:

B

Explanation:

competing with stronger organisms makes it difficult for the squirrel to be invasive

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If a nonnative species of squirrel is introduced into a forest, one of the things that can prevent it from reaching an invasive status is if the squirrel competes with stronger organisms for resources.

Competition is one of the factors that limit the growth of organisms' populations.

All other factors being equal, a combination of some of the following will make the squirrel attain an invasive status:

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Answer:

Fever is an elevated temperature of the human body that is substantially beyond the normal range. Normal body temperature fluctuates daily from about one degree below 98.6 degrees Fahrenheit to one degree above that number. Lower body temperatures usually occur before dawn; higher temperatures in the afternoon.

Body temperature also varies slightly depending on where on the human body it is measured. Rectal (internal) temperature tends normally to be higher than skin (surface) temperature. Oral and armpit temperatures can approximate actual body temperature and are more convenient to measure.

Stem cell therapy helped Lucy fight off the extra stop protein which allowed her to make more proteins and break down deoxyadenosine normally

Answer:

When you are in the laboratory and take a direct sniff of the chemicals you are using, you run the risk of damaging your mucous membranes or your lungs. When it is necessary to smell chemicals in the lab, the proper technique is to cup your hand above the container and waft the air toward your face.

Explanation:

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The chromosomes first condense and become visible, and then they line up along the center of the cell, known as the metaphase plate.

The process of mitosis, during which chromosomes line up in the middle of the cell and separate into two identical sets of chromosomes, called sister chromatids. This occurs during the process of cell division, which allows the cell to divide into two genetically identical daughter cells.

The spindle fibers, which are made up of microtubules, attach to the centromeres of the chromosomes and help to pull them apart, ensuring that each sister chromatid is separated evenly into one of the two daughter cells.

In this way, mitosis ensures that the genetic information of the parent cell is accurately passed on to the daughter cells, preserving the chromosome number and genetic information for future generations of cells.

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Answer:

The correct answer is - are found on microtubules in cilia and flagella and cause movement by grabbing and pulling at adjacent microtubule doublets.

Explanation:

Dynein feet or arm is made up of dyneins a family of cytoskeletal motor proteins that present on microtubules in flagella or cilia or both and drives the beating motion of cilia and flagella.

These form the rows of arms or feet inside and outside, associated with the doublet microtubules of motile cilia that produce microtubule sliding to move along. It gets its energy through ATP hydrolysis.

In a scenario where Krebs cycle was interrupted, there will be an inhibition of normal energy production in the organism.

This is also known as citric acid cycle and it is the series of chemical reactions which releases stored energy through the oxidation of acetyl-CoA which are derived from biomolecules such as carbohydrates, fats, etc.

In a situation whereby Kreb's cycle is interrupted then there will most likely be an inhibition of normal energy production and results in various types and range of metabolic disturbances due to insufficient energy being available to ceklls fir their optimal functioning.

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Answer:

410   500  450

Explanation:

Gravity does not affect the mass of an object, but it does affect the weight of an object on different planetary bodies.

The weight of an object is directly proportional to its mass and the strength of the gravitational field on that planet.

Gravity does not affect the mass of an object.

Mass is a measure of the amount of matter in an object and is a fundamental property of that object. It remains constant regardless of the gravitational force acting upon it.

However, weight, which is the force with which gravity pulls on an object, is affected by the gravitational field of a planetary body. The weight of an object on a planet or other celestial body depends on the mass of that object and the strength of the gravitational field on that planet.

The formula for calculating weight is:

Weight = mass x gravitational acceleration

where gravitational acceleration is the acceleration due to gravity on that planet.

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The development of similar adaptations of two unrelated species living in the same environment is an example of convergent evolution.

Adaptations are the changes that occur inside an organism to survive better in its surroundings. These adaptations can be in terms of its habit or in the physical appearances. Any adaptation takes some time to become permanent part of the lifestyle of the organism and these adaptations are inherited to the next generations as well.

Convergent evolution is the one where similar traits appear in distantly related organisms. This evolution happens only to survive better in the environment and also to utilize the resources in an efficient manner.

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Answer:

D. connected food chains

Explanation:

RNA polymerase binds to the DNA inside the transcription bubble as a segment of the DNA unwinds. An mRNA strand is created as RNA polymerase works along the DNA template strand.

The start of transcription is called initiation. It happens when the RNA polymerase enzyme interacts to the promoter, a section of a gene. In order for the enzyme to "read" the bases in one of the DNA strands, this tells the DNA to unwind. The enzyme is now prepared to create an mRNA strand with a complementary base sequence.

It follows that the fact that the beginning of DNA replication is a highly controlled process is not surprising. It starts when numerous copies of initiator proteins bind to precise locations in the replication origin, encircling the DNA.

A huge protein-DNA complex is formed when initiator proteins bind in many copies to specified places in the replication origin. This is when the replication process starts.

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neurological damage to Dorsolateral prefrontal cortex would impair a monkey's ability to complete the wisconsin card sorting task.

The University of California, San Francisco estimates that there are more than 600 different neurological conditions. Diseases known as neurological disorders impact the brain, as well as the central and autonomic nervous systems. The many forms of neurological disorders must first be distinguished in order to identify the signs and symptoms of neurological issues.

You might be curious in what causes a neurological disorder if you think that you or a loved one may be dealing with one of these problems. Such dysfunction might have a wide range of root causes. Numerous membranes that might be sensitive to stress and pressure shield the spinal cord and brain. Deep beneath the epidermis, the peripheral nerves are equally susceptible to harm. A single neuron or an entire neurological pathway may be impacted by neurological illnesses. Dysfunction can result from even a minor alteration in the structural route of a neuron. Thus, a variety of factors can lead to neurological illnesses, such as: factors associated

lifestyle ,Infections, Genetics ,causes associated to diet

, environment-related factors ,physically hurt.

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We can see here that a decrease in serotonin hormone is thought to be related to symptoms of depression.

A hormone is a chemical messenger that is created by a gland in one area of the body and then circulates throughout the body's bloodstream to influence cells in other areas of the body. Growth, development, metabolism, reproduction, and mood are just a few of the vital processes that hormones regulate in the body.

Serotonin is thought to assist modulate mood by regulating the activity of brain nerve cells. Low serotonin levels can cause mood changes like sorrow, hopelessness, and impatience. Moreover, serotonin affects pain, appetite, and sleep. Sleep, hunger, and discomfort issues are frequently present in depressed individuals.

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The correct Option is (a) 1, 3, and 4, which indicates that A always pairs with T, and G always pairs with C, and the amount of A is equal to T, and the amount of G is equal to C.

According to Chargaff's Rule, DNA genomes exhibit a base pairing rule where adenine (A) always pairs with thymine (T) and guanine (G) always pairs with cytosine (C). This rule further shows that the amount of A in a DNA strand is equal to the amount of T, and the amount of G is equal to the amount of C.

The correct answer to this question is (a) 1, 3, and 4. Chargaff's Rule helps in understanding the base composition of DNA. It states that A always pairs with T and G always pairs with C. Hence, the amount of A in a DNA strand will always be equal to the amount of T and the amount of G will always be equal to the amount of C. This rule is important in DNA research as it helps in understanding the structure and function of DNA.

Chargaff's Rule is an important rule in DNA research as it helps in understanding the base composition of DNA. The correct answer to the question is (a) 1, 3, and 4, which indicates that A always pairs with T, and G always pairs with C, and the amount of A is equal to T, and the amount of G is equal to C.

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The anterior fontanel is found at the junction between the squamous suture and the coronal suture in the human skull, option A is correct.

Fontanels are soft spots that are present in the skull of infants. They allow for flexibility during childbirth and facilitate the growth and development of the skull as the baby's brain grows. The anterior fontanel is the largest fontanel and is typically diamond-shaped.

It is located at the top front of the skull, slightly towards the front. The posterior fontanel, on the other hand, is found at the back of the skull, at the junction of the lambdoid and sagittal sutures. The sphenoidal, lambdoid, and mastoid fontanels are not specifically associated with the junction between the squamous suture and the coronal suture, option A is correct.

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The correct question is:

Which of the following fontanels is found at the junctions between the squamous suture and the coronal suture?

A) anterior

B) posterior

C) sphenoidal

D) lambdoid

E) mastoid

According to one anti-enhancement argument, genetic enhancements are seen as a serious moral concern because they are considered "unnatural."

The argument suggests that altering human nature through genetic enhancements goes against the natural order of things and disrupts the inherent essence of what it means to be human.

Advocates of this argument contend that human nature is defined by a combination of genetic inheritance and environmental factors, and any intentional alteration of the genetic code undermines this delicate balance.

They argue that human beings should accept themselves as they are, embracing their inherent strengths and weaknesses, rather than seeking to artificially enhance certain traits or abilities.

This concern stems from the belief that genetic enhancements may lead to a future society where individuals are no longer equal, with disparities in physical and cognitive capabilities becoming more pronounced.

It is argued that this would create an unfair advantage for those who can afford or access genetic enhancements, perpetuating societal inequalities.

However, it is important to note that these arguments are not universally accepted, and there are alternative viewpoints that support the ethical use of genetic enhancements to improve the human condition. Therefore, the correct answer is Unnatural.

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Answer:

rate of growth

Explanation:

Answer:

number of nuclei

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Answer:

Homeostasis

Explanation:

Homeostasis is the process which maintains the temperature level of our body.

Answer: The fate of zygote in real life is dependent upon the type of chromosome inherited.

Explanation:

The Punnett square can be defined as the square diagrammatic  representation of the traits of the individual. It is used to predict the genotypes of a particular trait.

The zygote is a precursor of new life. The zygote is produced by the fusion of the male and female gametes. The zygote if inherits a X chromosome from mother and a Y chromosome from the father will be developed as male child in real life and X chromosome from mother and X chromosome from father will be develop as a female child.

The zygote is a diploid structure formed by the fusion of two haploid reproductive cells. The chromosome inherited from the parent cell will determine the fate of the zygote.

The Punnett Square was developed to predict the phenotypic and genotypic ratios.

The zygote's fate can be predicted using the Punnett square as:

1. The zygote is a diploid structure, which undergoes repetitive division to give rise to new offspring.

2. The zygote from a female inherits the X chromosome, while it inherits the Y chromosome from the male will be a male zygote.

3. Similarly, the zygote inherited both the X chromosomes from male and female, which will give rise to female offspring.

Find the attachment below for the zygote predicted ratio.

Thus, the type of chromosome inherited will determine the fate of the zygote as male or female.

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