what feature is common to both leydig and sertoli cells? a. androgen synthesis b. presence in males c. expression of aromatase d. lh receptors e. found in the adrenal medulla

Answer:

You can increase your productivity.

Explanation:

Answer:

b.nuclear energy to heat energy to electrical energy

The correct answer is: B. Transparent to both solar radiations and long-wave radiations from earth.Greenhouse gases are gases in the Earth's atmosphere that are transparent to incoming solar radiation but can absorb and emit long-wave radiations (infrared radiation) from the Earth's surface.

These gases include carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and various fluorinated gases. They act like a "greenhouse" by allowing sunlight to enter the Earth's atmosphere but trapping some of the heat radiated from the Earth's surface, thereby contributing to the warming of the planet.

This phenomenon is known as the greenhouse effect.Greenhouse gases are absorbers of long-wave radiations from earth .Explanation:Greenhouse gases are gaseous compounds in the Earth's atmosphere that trap infrared radiation from the Sun and warm the Earth's surface. Some greenhouse gases occur naturally, while others are produced by human activities such as burning fossil fuels.Greenhouse gases work by absorbing and trapping long-wave radiation (infrared radiation) emitted by the Earth's surface. These gases then re-emit some of this energy back towards the Earth's surface, warming the planet in a natural process known as the greenhouse effect.Out of the given options, the correct option for Greenhouse gases is :Absorbers of long-wave radiations from earth

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True, hypoxyphilia, which involves strangulation or smothering to enhance sexual pleasure, is considered one form of paraphilia.

Paraphilia refers to a condition in which an individual's sexual arousal and gratification are dependent on unconventional or non-normative behaviors, fantasies, or objects. Hypoxyphilia, also known as erotic asphyxiation or breath control play, involves restricting oxygen flow to the brain to enhance sexual pleasure. It is considered a form of paraphilia.

Hypoxyphilia typically involves practices such as strangulation, suffocation, or the use of restraints to achieve a heightened sexual experience. It is important to note that engaging in hypoxyphilia or similar activities carries significant risks, including severe injury or death. Due to the potential dangers associated with this practice, it is essential to prioritize safety, consent, and communication when exploring any form of sexual activity.

In conclusion, hypoxyphilia is indeed one form of paraphilia that involves the intentional restriction of oxygen to the brain for the purpose of sexual arousal. However, it is crucial to approach such activities with caution and prioritize safety to minimize the risks involved.

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Answer: 23 chromosomes

Explanation: Therefore, meiosis results in four haploid genetically unique daughter cells, each with half the DNA of the parent cell (Figure below). In human cells, the parent cell has 46 chromosomes (23 pairs), so the cells produced by meiosis have 23 chromosomes.

Answer:

23 chromosomes due to the fact that they are to come in pairs and 46 divided by 2 is 23

Answer:

This question is incomplete

Explanation:

This question is incomplete because of the absence of options. However, there are some facts about diabetes that can guide to the right answer in the completed question.

Diabetes is a metabolic disorder/diseases that results in high blood sugar. This is as a result of the body not been able to produce enough insulin (this is referred to as type 1 diabetes or insulin dependent diabetes) or the produced insulin not been able to "pick up" sugar from the blood (this is referred to as type 2 diabetes or insulin independent diabetes).

NOTE: Insulin is a hormone (or protein) that transports sugar from the blood to the cells where they are stored or broken down to produce energy.

Answer:

B. Caudate nucleus

Explanation:

Hope this helps!!

Answer:

Transcribe: GCC CCG ACU

Translate:    Ala    Pro   Thr      

Explanation:

Transcribe: Convert DNA sequences into mRNA sequence

*Remember G=C , C=G , A= U , T=A

Translate: Convert mRNA sequence to corresponding Amino Acid

Our ecosystems' health is significantly influenced by turkey vultures. They act as nature's cleanup crews by getting rid of decaying, corpses. Thus, option C is correct.

Vultures perform a crucial role in maintaining the balance of our ecosystems. Without them, carcasses would build up and rotting flesh would cause diseases to spread.

Which prevents the spread of certain diseases and makes the air smell much nicer overall.

Since their incredibly potent stomach acids destroy many of the poisonous substances found in dead animals, they ingest carrion quickly before it decomposes.

Given that they primarily eat dead animal corpses, vultures are excellent at cleaning out illnesses and toxins from the environment.

Therefore, Turkey vultures are carnivores which feed upon decaying animal matter.

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Full Question ;

Turkey vultures eat carrion, which is decaying animal matter, like roadkill. How are they classified?(1 point)

autotroph

herbivore

carnivore

omnivore

In bacterial cells, the genetic material (DNA) is located in the nucleoid, which is a region within the cytoplasm that is not membrane-bound. The Correct option is D

Unlike eukaryotic cells, bacterial cells lack a true nucleus that houses their DNA. The nucleoid region is irregularly shaped and contains a single circular chromosome, which is responsible for carrying the genetic information of the cell.

The chromosome is not surrounded by a membrane, but is instead condensed and organized within the nucleoid. Other structures involved in protein synthesis, such as ribosomes, are also present in the bacterial cytoplasm, but they are not directly involved in storing or organizing the genetic material.

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Answer:Bone marrow

Thymus

Explanation:

The area of the body responsible for the central production of B cells and T cells maturation are the primary lymphoid organs, which include:

Bone marrow: B cells develop and mature in the bone marrow.

Thymus: T cells migrate to the thymus, where they mature and become functional.

So, the correct options are:

Bone marrow

Thymus

The two genetic mechanisms whereby proto-oncogenes can become overexpressed are mutations within gene-regulatory regions and alterations in chromatin structure because these mechanisms can contribute to the dysregulation of proto-oncogenes and promote the development of cancer. Option A and Option B

Mutations within gene-regulatory regions: Proto-oncogenes are regulated by specific regions in their DNA that control their expression levels.

Mutations in these regulatory regions can disrupt the normal regulation of proto-oncogenes, leading to their overexpression.

For example, a mutation may occur in the promoter region of a proto-oncogene, which can enhance the binding of transcription factors and increase the transcriptional activity, resulting in higher levels of the proto-oncogene product.

Alterations in chromatin structure: Chromatin refers to the complex of DNA and proteins that make up chromosomes.

Modifications in chromatin structure, such as changes in DNA methylation or histone modifications, can affect the accessibility of proto-oncogenes to the transcriptional machinery.

If the chromatin structure becomes more open and permissive, the proto-oncogenes can be more readily transcribed, leading to their overexpression.

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Answer:

Explanation:

La evidencia de un antepasado común en los seres vivos, que han encontrado durante décadas científicos que trabajan en numerosos campos, demuestra la descendencia común de estos seres, que la vida en la Tierra se desarrolló a partir de un último antepasado universal, que la evolución existe y que puede demostrar los procesos naturales que han dado como resultado la biodiversidad de la vida en la Tierra. Esta evidencia apoya la síntesis evolutiva moderna, la actual teoría científica que explica cómo y por qué cambia la vida a lo largo del tiempo. Los biólogos evolucionistas han documentado evidencias de antepasados comunes realizando predicciones verificables, probando hipótesis y desarrollando teorías que ilustran y describen sus causas.

La comparación de secuencias genéticas de ADN ha revelado que los organismos filogenéticamente próximos tienen un mayor grado de similitud secuencial que los organismos filogenéticamente alejados. Se pueden encontrar más pruebas de la descendencia común en detritus genéticos como los pseudogenes, regiones del ADN ortólogas a un gen en un organismo relacionado, pero que ya no tienen actividad y parecen estar experimentando un proceso continuo de degeneración por acumulación de mutaciones.

Hydrogen bonding is a interaction between two hydrogen atoms that is very essential for life on Earth. It is notoriously seen between water molecules, and it occurs when there is a slight disbalance in electrical charge between two Hydrogen atoms, and Oxygen atom that comprise water.  This slight imbalance makes the Oxygen slightly more electronegative, and the two hydrogen atoms slightly more electropostive.  The reason why water when spilled forms globules for this exact reasoning. The slightly positive charged hydrogen feels an electrostatic attraction to the Oxygen atom thus forming a strong bond. An interesting fact that comes from this electrical disbalance is that when salt is added to water, water is able to conduct electricity because of this disbalance in charge it can seperate the sodium chloride lattices into ions.

Answer:

im pretty sure it will be XX

Answer:

external

Explanation:

Through the process of photosynthesis, plants use the sun's energy to make sugars to function. External means from an outside force, while internal means from within. Since the sun isn't inside a plant, they gather it from outside, thus it's external.

Answer:

the one with no humidity is going to be taller

The experiments are set to observe and conclude the hypothesis. The level of the humidity is an independent variable, the height of the trees are dependent variable, and the greenhouse is a controlled variable.

The data or the fact that are changed and varied to the need of the experiment is called variable. An independent variable is said to be self-subsistent and results in a cause that affects the other variables. The humidity levels affect the growth.

The dependent variables are not self-sufficient and result in an effect that is varied based on the other variables like the height of the trees is conditional on the humidity level.

The control is constant and does not vary and is independent of the other factors and including the greenhouse which is a factor that is held constant throughout the experiment.

Therefore, the level of humidity is an independent variable.

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Your question is incomplete, but most probably your full question was,  Three redwood trees are kept at different humidity levels inside a greenhouse for 12 weeks. One tree is left outside in normal conditions. The heights of the trees are measured once a week. What is the Independent Variable: What is the Dependent Variable​? What is the controlled variable?

Euglena is a single-celled organism that belongs to the phylum Euglenozoa. It is a photosynthetic organism that can be found in both fresh and saltwater. It has a long whip-like flagellum that helps it to move around and search for food. Autotrophic Heterotrophic Unicellular Spirogyra Spirogyra is a filamentous algae that can be found in freshwater environments.

It is made up of cells that are joined together in a chain-like structure. Spirogyra is an important part of the food chain because it is a primary producer.

Autotrophic Heterotrophic Multicellular Fuligo Fuligo is a type of slime mould that can be found in damp, shady areas. It is a unicellular organism that is capable of forming large colonies.

Fuligo feeds on bacteria and other organic matter and is an important decomposer in its environment. Autotrophic Heterotrophic Unicellular and Multicellular

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The information missing in the boxes to correctly complete this feedback loop about the feedback in thyroid hormone secretion will be

It should be noted that parathyroid is the structure in the image. These glands, located behind the thyroid at the bottom of your neck, are about the size of a grain of rice.

The parathyroid hormone produced by the thyroid glands helps maintain the right balance of calcium in the bloodstream and in tissues that depend on calcium for proper functioning.

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Any organism that exhibits cephalization is also bilaterally symmetrical given that they are often associated with one another.

Cephalization is the embryonic process by which the head of an organism is formed. Cells of all types converge towards one extreme of the embryo and produce the head region. This process is extremely common among life and is associated with bilateral symmetry and the movement of cells throughout the embryo.

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Answer:

False

Explanation:

MISTRA researched identical and fraternal twins to determine how genetics and environment affect psychological development. Researchers compared identical and fraternal twins to determine how genetic and environmental variables affect physical and mental health.

By looking at both sets of twins, Mistra tried to figure out how much genetics and how much the world affected the way people's minds developed. Researchers were able to learn more about how nature and the environment affect a person's overall health and happiness by using this method.

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Answer:

The variety of life in the world or in a particular habitat or ecosystem

The gestational age of the embryo does not begin when the sperm and egg unite. Instead, it starts from the first day of the woman's last menstrual period (LMP).

This is because it is difficult to determine the exact moment of fertilization, but the LMP is a more reliable and consistent marker that can be used to estimate the gestational age.

During the menstrual cycle, ovulation typically occurs around the 14th day, and if fertilization occurs, it usually happens within 24 hours of ovulation. However, the fertilized egg, known as a zygote, takes several days to travel through the fallopian tube and implant into the uterus. It is after implantation that the embryo begins to develop.

By using the LMP as a starting point, healthcare providers can estimate the gestational age and track the development of the embryo and later the fetus. This information is essential for monitoring the growth and development of the pregnancy, determining important milestones, and providing appropriate prenatal care.

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Answer: The mantle

Explanation:

Mollusks also have an extension of the body wall called the mantle. This portion of the animal's anatomy is responsible for secreting the shell. The mantle encloses the mantle cavity which contains the Ctenidia (gills), anus and excretory pores.

Answer:

It's A

Explanation:

Trust.

Answer:

the nucleus is divided into two nuclei

Explanation:

The correct answer is B. The student generated a 102 initial dilution, and plate counts 165 and 16 indicate that improper technique took place during the dilution series.

To determine the initial dilution, we need to look at the dilution factor of the last two plates. The last two plates were both 1:10 dilutions, which means that they were both diluted by a factor of 10. Therefore, the initial dilution was 10 x 10 x 10 = 10^3 or 1000.

This means that the student added 0.1g of soil to 100ml of sterile water to make the initial dilution. Therefore, answer choices A, C, D, and E are all incorrect because they list incorrect initial dilutions. Only answer choice B lists the correct initial dilution of 10^2, but we also need to consider the plate counts.

Plate counts are the number of colonies that grow on the agar plates, and they can indicate whether there was too much or too little bacteria in the sample. Plate counts that are too high or too low can indicate that the student made a mistake during the dilution series.

In this case, the plate counts are 165 and 16, which is a difference of 10-fold. This means that there was a problem with the dilution series because there should not be such a large difference in the number of colonies between two consecutive dilutions. Therefore, we can conclude that improper technique took place during the dilution series.

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Answer:

Binary fission

Explanation:

Binary fission is a common and simple method of asexual reproduction in bacteria in which bacteria produce daughter cells.