what are the two claims about living creatures made by the Theory of Biological Evolution?

Answer:

when rock underground suddenly breaks along a fault. This sudden release of energy causes the seismic waves that make the ground shake.

Explanation:

Answer:

\(\boxed{\tt B. \ Conversion\ of\ light \ energy \ to \ chemical \ energy}\)

Explanation:

This question asks us which process involves the chloroplast.

In plants, algae, and some bacteria, a process called photosynthesis occurs. This process takes place in the chloroplasts. In the process, the organism takes light energy from the sun, carbon dioxide, and water, and turns it into glucose and oxygen.

The glucose that is made becomes the food and energy for the organism. In another process, called cellular respiration, the sugar is turned into ATP, a kind of useable energy.  

The best answer choice is B. Conversion of light energy to chemical energy. The chloroplasts convert light energy to sugar, and the sugar becomes chemical energy.

Answer:

the major function of nucleic acids is the storage and expression of genetic information.

Answer:

A. fats , oil's , and waxes

Explanation:

Have a great day! ∩^·ω·^∩

Answer:

A. Out of the cell. They want to move from high to low concentration (DOWN the concentration gradient)

Explanation:

Although the cuticle provides important protection from excessive water loss, leaves cannot be impervious because they must also allow carbon dioxide in (to be used in photosynthesis), and oxygen out. These gases move into and out of the leaf through openings on the underside called stomata (Figure 3b).

Answer:

A. Out of the cell. They want to move from high to low concentration (DOWN the concentration gradient)

Explanation:

The option (A) is the correct answer. This statement is the required answer.

Answer:

lack of melanin

Explanation:

penguins penguins

Answer: A

This is the right answer because I said so #Believeinme

Male pattern baldness may have developed to improve the production of vitamin D because it expands the area of skin that is exposed to sunshine, according to a study. Thus, option A is correct.

Men do receive the major baldness gene from their mothers on the X, or feminine, chromosome.

A 2005 study from the German university of Bonn, which also contributed to the mother myth, backed up this claim. And it is accurate to say that the mother's side has a stronger hereditary influence.

Men don't get fully bald for 15 to 25 years on average. At any age, this process can start. By the age of 60, around two thirds of men are either bald or have a balding pattern. In conclusion, there is no specific age at which you should anticipate experiencing hair loss.

Therefore,  Prostate cancer, which disrupts reproduction and may cause early death, is prevented by this vitamin.

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Answer:

What are the requirements for in vitro synthesis of DNA under the direction of ... DNA replication is a central process in biochemistry and must be done with the ... Each of the four images below shows a strand of template DNA (dark blue) ... the parental double helix is unwound and separated into its two component strands.

Explanation:

1a. The technique that is frequently used to demonstrate carbohydrate in tissue sections is the periodic acid-Schiff (PAS) staining method. b. One tissue that could be used as a positive control for Part A is the liver, which is known to have high levels of glycogen (a type of carbohydrate).

c. The technique in Part A could also be used to demonstrate the presence of glycogen in cells.
2. The tissue should be oriented as follows:
- Gall bladder: longitudinally
- Vas deferens: cross-section
- Fallopian tube: cross-section
- Colon segment: transversely
- Femoral artery: cross-section
3. Match the technique to the elements they demonstrate:
a. Gomoris 1-Step Trichrome - III Collagen
b. Mallory PTAH - IV Cross striations, fibrin
c. Kinyouns Carbol Fuchsin - I AFB
d. Cresyl Echt Violet - V Helicobacter pylori
4. Complete the following statements:
a. Ripening of hematoxylin is a process of increasing its staining ability by aging or exposure to air and light.
b. Bouins is both a fixative and a mordant.
c. Xylene is under the class of clearing agents.
5. The microtome commonly used in the histology laboratory is the rotary microtome.

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Exposure to cigarette smoke causes the bronchioles to constrict or narrow, leading to an increase in airway resistance. This is because cigarette smoke contains various harmful chemicals that irritate and inflame the bronchioles, causing them to become swollen and produce excess mucus.

As a result, the air passages become narrower, making it harder for air to flow through the lungs. This increased airway resistance can make it difficult to breathe and can lead to chronic obstructive pulmonary disease (COPD), a group of lung diseases that includes chronic bronchitis and emphysema. Additionally, long-term exposure to cigarette smoke can also cause structural changes to the bronchioles, leading to irreversible airway obstruction.

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Sediment control items created from organic, natural coconut are called coir logs or coir wattles. Since vegetation's roots help to stabilize the soil, this is crucial for erosion control.

In order for dirt to be exposed the strong winds, heavy rains, and rushing water, it must be covered. Sometimes, human activities—particularly farming and clearing land—leave soil susceptible to erosion.

If the site is unsuitable for construction and urban developments cross existing drainage systems, they may severely exacerbate soil erosion. The natural drainage of the environment is impeded by mining and exploration activities, which can result in streams becoming eroded and silted.

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The best explanation for why Kaya's lymphocyte levels were increasing is Kaya was not tissue-typed prior to her surgery, and her body is mounting an immune response. Therefore option 3 is correct.

Lymphocytes are a type of white blood cell that plays a crucial role in the immune response of the body. They are responsible for recognizing and targeting foreign substances, such as antigens, to protect the body against infections and diseases.

In Kaya's case, her lymphocyte levels increased both a week and a month after the transplant. This suggests that her immune system is responding to the presence of the transplanted organ.

The increased lymphocyte count indicates an ongoing immune reaction, which is typically characterized by the proliferation and activation of lymphocytes.

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The false statement about epigenetic modifications is:
c. Only non-DNA components of chromatin are modified with epigenetic markers.

Epigenetic modifications refer to changes in gene expression that do not involve changes to the underlying DNA sequence. These modifications can be inherited and can influence how genes are turned on or off in different cells or at different stages of development.

a. The tails of the nucleosome octamer components can be modified with methylation: This statement is true. Methylation of the tails of nucleosome octamer components, which are made up of histone proteins, can affect gene expression by either activating or repressing the associated genes.

b. The tails of the nucleosome octamer components can be modified with acetylation: This statement is also true. Acetylation of histone tails is another type of epigenetic modification that can influence gene expression. Acetylation generally leads to gene activation by relaxing the chromatin structure and allowing transcription factors to access the DNA.

d. Epigenetic modifications control whether a region is euchromatin or heterochromatin: This statement is true. Epigenetic modifications play a crucial role in determining whether a region of DNA is in a euchromatin state, which is more accessible for gene expression, or a heterochromatin state, which is more condensed and less accessible for gene expression.

In summary, the false statement is c. Only non-DNA components of chromatin are modified with epigenetic markers. Epigenetic modifications can occur on both DNA and non-DNA components of chromatin, such as histone proteins. These modifications can have significant impacts on gene expression and are essential for cellular development and function.

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Answer:

1.b 2.e?

Explanation:

Gene therapy cause controversy in society because of patient deaths and scientists are not reporting all side effects, while, human genetic engineering is considered a moral and ethical controversy. The correct options are c and e respectively.

Controversies are frequently thought to arise from a lack of confidence on the part of the disputants, as implied by Benford's law of controversy, which only addresses a lack of information.

Because of patient deaths, gene therapy is causing controversy in society, and scientists are not reporting all side effects. A contentious subject, opinion, or decision is one that people disagree with or oppose.

Human genetic engineering is a moral and ethical issue because some people believe that "tampering" with genetics is against their religion, while others believe it is simply inhumane and unfair to those being tested on and altered.

Thus, the correct options are c and e respectively.

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The release of hormones by the posterior pituitary is the result of a complex process that involves the hypothalamus, the pituitary gland, and various feedback mechanisms. The hypothalamus produces and releases hormones that stimulate or inhibit the release of hormones from the pituitary gland.

The posterior pituitary, which is an extension of the hypothalamus, stores and releases two hormones: oxytocin and vasopressin (also known as antidiuretic hormone). These hormones are released in response to various stimuli such as suckling, stress, and dehydration.

The release of hormones from the posterior pituitary is regulated by negative feedback mechanisms. When hormone levels in the blood reach a certain level, they signal the hypothalamus to stop or decrease the production and release of hormones. This ensures that hormone levels remain within a narrow range and prevents the overproduction or underproduction of hormones.

In summary, the release of hormones by the posterior pituitary is the result of a complex process that involves the hypothalamus, the pituitary gland, and various feedback mechanisms.

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Two structural features that can be used to separate a housefly and a millipede are winged vs. wingless and legs per body segment.

Houseflies and millipedes can be distinguished based on several key characteristics:

Body Structure: Houseflies have a compact body structure with a single pair of wings and six legs attached to the thorax. In contrast, millipedes have an elongated and segmented body with numerous pairs of legs. The number of legs in millipedes can vary, but they typically have more than six pairs.

Winged vs. Wingless: Houseflies possess fully developed wings, enabling them to fly, while millipedes lack wings and are incapable of flight. Instead, millipedes rely on their numerous legs for movement.

Habitat and Behavior: Houseflies are commonly found in diverse environments, including urban areas, where they are attracted to food sources. They are known for their ability to quickly move and hover in the air. On the other hand, millipedes are primarily found in damp environments such as forests or gardens, where they feed on decaying organic matter and vegetation.

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Vinclozolin exposure is a potentially larger issue than other environmental chemical exposures that do not cause epigenetic changes because, as an androgen receptor antagonist, it can disrupt the normal functioning of hormones like testosterone.

Vinclozolin is a fungicide that is used on various crops such as grapes, fruits, and vegetables. While it is effective in controlling fungal diseases, it also has an unintended effect on the human body. Vinclozolin acts as an androgen receptor antagonist, which means that it prevents testosterone from binding to the receptor. This can lead to a variety of negative health effects, including developmental abnormalities, reproductive problems, and even cancer.

What makes vinclozolin exposure potentially more concerning than other environmental chemical exposures is its ability to cause epigenetic changes. Epigenetics refers to changes in gene expression that occur without any alteration to the DNA sequence. These changes can be passed down through generations and can have significant impacts on health outcomes.

Studies have shown that vinclozolin exposure can cause epigenetic changes in animals, specifically in their sperm cells. These changes can lead to decreased fertility, abnormal development of reproductive organs, and even increased susceptibility to disease.

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Answer:

mitochondria

Explanation:

Answer:

The mitochondria

Explanation:

Fungi typically reproduce sexually when environmental conditions are poor. Sexual reproduction is frequently observed in fungus in response to poor environmental circumstances.

There are two sorts of mating. When two forms of mating are present in the same mycelium, it is referred to be homothallic, or self-fertile. To reproduce sexually, heterothallic mycelia require two distinct yet compatible mycelia.

However, historical accumulations of fungal spores are an important component of palynological records that are otherwise dominated by spores produced by seedless plants and pollen from seed plants.

Changes in the proportions of different types of fungal spores can reveal important details about the biological communities and climatic conditions that supported these fungi.

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Answer:

False

Explanation:

Can you same the same thing about organisms and aquatic animals, not every single living thing has an heart to survive.

Answer:

I think it is a pure substance, not 100% though.

Answer: it is pure substance

Explanation:

Answer:

Disease and Famine

Explanation:

If there is a disease that affects a type of plant, having other types of crops to rely on could save one from starvation. Also, only planting one crop in an area can change the pH and nitrogen levels in negative ways, so that eventually no plants can grow there. Not to mention the obvious balanced diet needed for a healthy body.

Answer:

sex- linked inheritance

Hope this helps :) !!!

The type of inheritance that involves genes found on the non-autosomal chromosomes is known as sex-linked inheritance. Sex-linked inheritance is also known as sex-linked genetic disorder, sex-linked traits, or X-linked traits.The sex chromosomes determine the gender of an individual.

These are non-autosomal chromosomes. In mammals, the male has one X and one Y chromosome, while the female has two X chromosomes. Some genetic diseases and traits are linked to the X chromosome. This implies that if the genes are carried on the X chromosome, it will have a greater impact on males than females because males only have one X chromosome whereas females have two. Therefore, the condition of an X-linked trait is more prevalent in males than females due to their single X chromosome.

The example of an X-linked trait is hemophilia, a genetic condition in which blood clotting is disrupted. Hemophilia is a recessive X-linked trait, which means that only individuals with two altered genes (homozygous recessive) will exhibit hemophilia. Females are carriers of hemophilia, and they can pass the disease to their male children. However, females may also show symptoms of hemophilia in severe cases, even though this is rare. Overall, the long answer is that X-linked inheritance involves genes found on the non-autosomal chromosomes.

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Answer:

All viruses have either DNA or RNA

Viruses also have a protein coat which protects the DNA or RNA.

Viruses cannot multiply outside a host cell

Viruses are unable to create their own energy

Viruses are not made of cells and they lack many of the cellular organelles found in other living organisms.

Explanation:

does this help you???

For their food supply, humans are reliant on biomass.

Option b is correct

Biomass is organic material that is renewable and comes from both plants and animals.

For their food supply, humans are reliant on biomass. Biomass is the organic material created by living things as part of their natural life cycles. When one organism is consumed by another in a food chain to get food and energy, the biomass is passed from one organism to the next. Since humans are hetrotrophic organisms, they are reliant on plants and animals for both their food and energy needs. Food is a type of biomass that is passed from living thing to living thing along the food chain.

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Answer: thalamus

n one, a neuron works with a sensory receptor, a cell, or cell process that is ... In most cases, the correct stimulus impinging on a sensory receptor will drive .the brain can carry two signals at once, ... "We found that there are periods of time when a given neuron responds to one stimulus ... Our brains are capable of processing multiple stimuli at once -- such as ... "Our working memory system is quite limited

Explanation:

Different combinations of stimuli and sense organs like taste and smell, hear and touch is processed by more than one brain region whereas in activated nerve cells, signal is not processed in the brain at all.

Hence, combination of taste and smell, hear and touch is processed by more than one brain region and in activated nerve cells, signal is not processed in the brain at all.

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