testosterone, a lipid-soluble signaling molecule, crosses the membranes of cells throughout the body but affects only target cells because __________.

Ebola does not spread through the air, meaning it's a lot harder to catch. While the seasonal flu is significantly less fatal but more infectious.

Both have  fever, sore throat, muscle and body aches, headaches, fatigue, vomiting and diarrhea.  This difference is that ebola does not spread through the air, making it a lot harder to catch.

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Embryonic stem cells are thought to have more therapeutic potential than adult or somatic stem cells because they have the ability to differentiate into any cell type in the body. This means that they can potentially be used to replace damaged or diseased cells in a variety of organs and tissues.

Embryonic stem cells are pluripotent, meaning they can become any cell in the body, while adult stem cells are usually multipotent, meaning they can only differentiate into a limited number of cell types. Additionally, embryonic stem cells are able to divide and grow indefinitely, while adult stem cells have a more limited capacity for self-renewal.

Overall, the unique properties of embryonic stem cells make them a promising avenue for research and potential therapies for a wide range of diseases and injuries. However, their use is also controversial due to ethical concerns surrounding their acquisition from human embryos.

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Answer:

he four bases that make up this code are adenine (A), thymine (T), guanine (G) and cytosine (C). Bases pair off together in a double helix structure, these pairs being A and T, and C and G. RNA doesn't contain thymine bases, replacing them with uracil bases (U), which pair to \( {adenine}^{1} \).

Answer:

Because one experiment could be a fail but if you try it again it could possibly work out

Explanation:

Plants with flowers and fruits belonging to the Anthophyta division have developed different structures capturing the feeding interest of different animals, from insects like bees to primates. Colored and big floral structures such as petals can call the attention of those species, but also the resources such as pollen, nectar, fruits, and seeds. We can name these structures then, being the 1 structure the ovule, and the 2 structure the ovary, where a female flower stores its ovules, the 3 structure being the style, and inside, the pollen tube, and the 4 structure the stigma, where the pollen reaches first the female structures. 5 and 6 are the male structures of the flower, the anther, and filament, respectively, and 7 and 8 are the sepals and the receptacle of the flower, being these structures for the protection of the upper floral forms.

Answer:

B.

Explanation:

The cell starts to duplicate itself, chromosomes and all, and ends up making two daughter cells

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Answer:

a. dichotomous key

Explanation:

i hope this helps :)

Answer:

cladogram

Explanation:

a cladogram is a branching diagram that shows the cladistic relationship between a number of species so I think thats right

Infant mortality rates in the United States have generally declined over the last 15 years.

Over the past 15 years, the United States has seen a general trend of decreasing infant mortality rates. Advances in medical technology, improved prenatal care, and increased awareness of infant health and safety have contributed to this positive trend.

However, it is important to note that disparities in healthcare access and socioeconomic factors can still impact infant mortality rates within certain communities. As for the current rate, specific data would be required to provide an accurate figure.

However, it is essential to monitor and evaluate ongoing efforts to reduce infant mortality rates and address any persistent challenges.  When comparing the current rate of infant mortality in the United States to that of other industrial countries, it is worth noting that the United States does not fare as well as some of its counterparts.

Several industrialized nations, such as those in Western Europe and Canada, have consistently lower infant mortality rates. Factors such as healthcare systems, social policies, and public health initiatives may contribute to the disparities observed between countries.

Infant mortality rates serve as crucial indicators of the overall health and well-being of a nation's population. Studying trends in infant mortality provides insights into the effectiveness of healthcare systems, access to quality prenatal care, and social determinants of health.

Understanding the variations between countries helps identify areas for improvement and supports the development of policies and interventions to reduce infant mortality. Further research in this field contributes to efforts aimed at ensuring healthier outcomes for infants and addressing disparities in healthcare.

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Explanation:

the answer will be sea star

Answer:

A Sea Star

Explanation:

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Answer:

Renal Veins carry filtered blood from the kidneys to the posterior vena cava. Renal Arteries carry unfiltered blood from the aorta to the kidneys. The arteries are obscured by the renal veins in this image; they are dorsal to the renal veins.

Answer:

id choose false because one can argue which are the best operas its opinion based and as for him being a child prodigy I personally say he wasn't one

The greatest option for biotechnology to prevent a decline in rice yield is to genetically modify rice crops that are resilient to environmental changes. Farmers could continue to grow rice in regions that would otherwise become unsuitable due to climate change by creating genetically engineered rice crops that can withstand increased temperatures, droughts, floods, and other adverse weather events.

Additionally, this strategy would decrease the need for pesticides and fertilizers, increase rice output and quality, and enhance the resilience and sustainability of rice agricultural systems. The advantages of genetically modified crops must be weighed against any possible hazards to human health, biodiversity, and the environment, though.

So, the correct option is D.

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Of all these combinations of gametes, dpy unct with dpy unc will produce a Dpy non-Unc phenotype.

The Dpy non-Unc phenotype is the result of a double recessive mutation, where the worm is homozygous for the dumpy (dpy) mutation and heterozygous for the uncoordinated (unc) mutation. Therefore, to produce the Dpy non-Unc phenotype, we need to cross two worms that are heterozygous for the unc mutation and homozygous recessive for the dpy mutation.

Out of the given combinations, the only one that fulfills these criteria is:

dpy unct with dpy unc

In this cross, the first parent has the genotype dpy/dpy unct/unc, and the second parent has the genotype dpy/dpy unc/unc. Their offspring will have the genotype dpy/dpy unct/unc or dpy/dpy unc/unc, with a 1:1 ratio. Half of the offspring will have the Dpy non-Unc phenotype, and the other half will be Dpy Unc.

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Answer:

hi

Explanation:

Issue a formal report. ...

Present case studies or stories of impact. ...

Develop press releases. ...

Create snapshots or postcards. ...

Incorporate visual aids. ...

Produce a promotional video.

Answer: Issue a formal report.

Present case studies or stories of impact.

Develop press releases.

Create snapshots or postcards.

Incorporate visual aids.

Produce a promotional video.

Explanation:

Answer:

see below

Explanation:

The relationship between a dominant allele and a recessive allele of the same gene is that the dominant allele will always be expressed if it is present. This means that if an organism has one or two copies of the dominant allele, it will always be expressed in the organism's phenotype. On the other hand, the recessive allele will only be expressed if the organism has two copies of the recessive allele. In this case, the dominant allele will be masked and the recessive allele will be expressed.

Answer:

I think Cell energy not sure but thats what it sounds like

The chemical known as Adenosine triphosphate is used by cells to grow and function.

The most abundant energy carrier molecule in cells is adenosine 5'-triphosphate, or ATP. This molecule is comprised of three phosphate groups, a nitrogen base (adenine), and a ribose sugar.

Adenosine triphosphate (ATP) is the cellular power source for use and collection. ATP is a nucleoside triphosphate with the structure of a nitrogenous base (adenine), a ribose sugar, and three serially bonded phosphate groups.

Thus, the chemical known as Adenosine triphosphate is used by cells to grow and function.

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The people diagnosed with multiple sclerosis have a common problem with myelin. That is option C.

Multiple sclerosis is defined as an autoimmune disease condition whereby the immune system of the body and it's cells attacks the normal body tissues including the nerve cells of the body.

The disorder leads to the wearing away of the protective layers of the nerve cells which is the myelin layer.

Therefore, the most likely problem the people with multiple sclerosis would share is the problem of the myelin layer of their nerve cell.

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Solar energy is energy that comes from the sun and is captured by solar cells. These cells transform the energy of photons of light into electrical energy. One mechanism is the energization of electrons, here the energy of the photons is transferred to the electrons, which can already be considered electric energy.

As for the hydroelectric energy, here the waterfalls or rivers flow driving a turbine, which will transform the movement into usable electric energy as it rotates.

Answer:

allele

Explanation:

The genetic variation of an entire species is often called genetic diversity. Genetic variations are the differences in DNA segments or genes between individuals and each variation of a gene is called an allele.

Answer:

An allele is a variation of a gene.

Answer:d

Explanation:

Answer:

true

Explanation:

the answer should be true.

option C, i.e. People require time to adjust to knowledge, as this individual should require some investment to adjust to the brilliant light. this is expressed in this part of the allegory by Henry David Thoreau

An individual freed from some cavern or type of jail, dull spot, maintaining feelings about the shadows In this case of allegory, Henry David Thoreau was an author and philosopher from the United States.He wrote the book Walden, which was inspired by transcendentalism. The book is obsessed with maintaining a simple existence in nature. To support this point, he included a sonnet by Thomas Carew titled The Pretensions of Poverty. It investigated those who believe that their poverty is impeding their intellectual and moral development. Thoreau even lived a simple life all by himself for two years at Walden Pond. This means he had the option of surviving without the assistance of others. image of info Your Personal Information is 100.

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The complete question is :

Which observation about human behavior is expressed in this part of the allegory?

O People should not be freed from prison.

O People change after they are imprisoned.

O People require time to adjust to knowledge.

O People need freedom to observe nature.

Answer:

Tt, Tt, tt, tt.

Phenotype: two tall and two dwarfs

Explanation:

The F1 generation will be the crossing of True tall and true dwarf plants to give all tall plants. Kindly note that the genotype for true tall plants is represented by TT, and the genotype for true dwarf plants is represented by tt. The crossing of the two true tall and true short gives Tt, Tt, Tt, Tt; in which the phenotype = all the plants are tall.

If the F1 generation is crossed with the true dwarf plants that is; Tt with tt. It gives us:

T t                          t t.

Tt, Tt, tt, tt. So, the phenotype is two tall and two dwarfs and the genotype is 2 of Tt and 2 of tt.

PCR testing is the best method for fetal DNA typing due to its specificity, sensitivity, speed, and ability to detect specific genes. However, it requires specialized equipment and trained personnel.

PCR (polymerase chain reaction) testing is considered the best method for fetal DNA typing for several reasons, but not all the options listed in the question are accurate.

Firstly, PCR testing is highly specific and sensitive, which makes it a reliable method for detecting fetal DNA in maternal blood.

This is important because traditional methods for fetal DNA typing, such as amniocentesis and chorionic villus sampling, are invasive and carry risks for the mother and fetus.

PCR testing, on the other hand, requires only a small sample of maternal blood and can detect fetal DNA with a high degree of accuracy.

Secondly, PCR testing is relatively fast, with results typically obtained within a few days. This allows for early detection of fetal genetic abnormalities or other conditions, which can be critical for treatment decisions and parental planning.Thirdly, PCR testing is a highly standardized and automated process, making it relatively inexpensive and widely available.

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Answer:

fruiting body is called cap

The mycelium is the fruiting body found above ground in fungi.

The pileus is the technical name for the cap, or cap-like part, of a basidiocarp or ascocarp (fungal fruiting body) that supports a spore-bearing surface, the hymenium.

A hypha is a long, branching, filamentous structure of a fungus, oomycete, or actinobacterium. In most fungi, hyphae are the main mode of vegetative growth, and are collectively called a mycelium.

A mycelium is a network of fungal threads or hyphae. Mycelia often grow underground but can also thrive in other places such as rotting tree trunks. A single spore can develop into a mycelium. The fruiting bodies of fungi, such as mushrooms, can sprout from a mycelium.

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Answer:

The dog, Canis familiaris, is a direct descendent of the gray wolf, Canis lupus: In other words, dogs as we know them are domesticated wolves. ... Not only their behavior changed; domestic dogs are different in form from wolves, mainly smaller and with shorter muzzles and smaller teeth.

Explanation:

hope this helps

Dogs were most likely domesticated by chance when wolves began following ancient hunter-gatherers to eat their garbage. The theory goes that docile wolves were given extra food scraps to help them survive and pass on their genes.

The gradual change in the genetic composition of the organism that led to the generation of new characters in the next generations is called evolution.

Dogs may have become domesticated because the forefathers had too much meat to eat. During the ice age, hunters and gatherers may have shared their surplus with wolves, who became their pets.

All dogs are descended from wolves, according to their ancestors. Gray wolves and dogs diverged about 15,000 to 40,000 years ago from an extinct wolf species.

Thus, it can be concluded that many changes occurred during the evolution of dogs from wolves.

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Answer: c

Explanation:

The ovarian cycle lasts approximately 28 days and consists of three phases, which include the following:

To begin comprehending the ovarian cycle, some fundamental definitions are helpful. First, male and female gametes are reproductive cells. Male gametes are known as sperm and female gametes are known as oocytes, or juvenile eggs. All of the oocytes a female will ever produce are present at birth. An oocyte turns into a developed ovum, or egg, during the course of oogenesis, which starts before a female is conceived yet doesn't complete until after pubescence. The union of an ovum and sperm cell is the beginning of reproduction.

The meaning of ovarian cycle is the development and development of an oocyte in anticipation of treatment and multiplication. The ovarian cycle, which begins during puberty and continues until menopause, is governed by a number of hormones. However long the female isn't pregnant, the cycle rehashes at regular intervals.

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Answer:

the water supply is not contaminated

Answer: Yes I believe that it is A. The water supply is not contaminated.