are smallpox still around

The trend that is evident is: Initially, there seems to be support for Mel's hypothesis, but the gold data is not consistent with the predicted trend.

Option C is correct.

The data for zinc, nickel, copper, and silver shows that as the density increases, the melting point tends to increase.

From the data we can see , the data for gold does not follow this trend, as its density is lower than silver but its melting point is higher.

Therefore, while there is some initial support for Mel's hypothesis, the inconsistency with gold indicates  that the relationship between density and melting point is not solely determined by density.

learn more about density at:

https://brainly.com/question/1354972

#SPJ1

The main skeletal features used to construct a cladogram include the presence or absence of specific bones/structures, bone shape/structure, dental characteristics, skeletal adaptations, and skull morphology.

Cladograms are phylogenetic trees that illustrate the evolutionary relationships between different organisms. When constructing a cladogram, various skeletal features can be used as characters to determine the branching patterns and common ancestry among organisms. Here are some main skeletal features used in cladistic analysis:

Presence or absence of specific bones or structures: The presence or absence of certain skeletal elements, such as wings or limbs, can provide insights into evolutionary relationships.

Bone shape and structure: Comparing the shapes, sizes, and structures of bones can help identify shared characteristics and infer common ancestry.

Dental characteristics: The structure and arrangement of teeth, including the type and number of teeth, can provide information about evolutionary relationships and dietary adaptations.

Skeletal adaptations: Features like the presence of a notochord, presence of a bony skeleton, or modifications for specialized locomotion (e.g., wings, fins, limbs) can be used to infer evolutionary relationships.

Skull morphology: Examination of the skull, including the shape of the cranium, presence and structure of specific cranial bones, and jaw structure, can help determine evolutionary relationships and functional adaptations.

By analyzing these skeletal features and comparing them across different organisms, cladistic analysis aims to identify shared derived characteristics (synapomorphies) that indicate common ancestry and to construct a branching pattern that represents the evolutionary relationships between the organisms being studied.

The question was incomplete. find the full content below:

What are the main skeletal features that can be used to construct a cladogram?

Know more about Skull morphology here:

https://brainly.com/question/1463216

#SPJ8

Answer:

Disease

Explanation:

bc it would have a hard time with Disease

Answer:

Adjust these ideas into your own words

Explanation:

Cancerous growth: Uncontrolled cell division can lead to the formation of a mass of abnormal cells called a tumor. The tumor can continue to grow and invade nearby tissues, leading to cancer. Cancer cells grow and divide without proper regulation, and they can also evade the immune system and resist cell death signals.

Cellular stress: Cells have a limited capacity to grow and divide, and if they do so excessively, they may experience stress due to an overload of cellular processes. For example, the cell may need to produce more energy, replicate its DNA, and synthesize proteins to support the growing cell population. If the cell cannot cope with this stress, it may undergo cell death or senescence, a state where the cell stops dividing but remains metabolically active.

Organ dysfunction: If abnormal cells continue to replicate and grow, they may form masses that can impair the function of organs. For example, a tumor in the brain can put pressure on surrounding tissues and interfere with cognitive function. Similarly, a tumor in the lungs can block air passages and impair breathing.

Mutation accumulation: As cells continue to replicate without proper regulation, mutations in their DNA can accumulate, increasing the risk of cancer development. The accumulation of mutations can result from errors in DNA replication, exposure to environmental toxins, or defects in DNA repair mechanisms. Over time, these mutations can affect critical genes that regulate cell growth and division, leading to uncontrolled cell proliferation.

Cell death: In some cases, uncontrolled cell division may result in cell death due to excessive stress or a lack of essential nutrients. For example, if the cell population grows faster than the available nutrients, cells may compete for limited resources, leading to nutrient deprivation and cell death. Similarly, if the cell population exceeds the capacity of the surrounding tissue to support it, cells may undergo programmed cell death, or apoptosis, to prevent damage to nearby tissues.

Answer:

Tay-Sachs disease (TSD) is a genetic disorder that normally kills children when they are young. If both parents are carriers of the disease, their offspring have a 0.25 chance of contracting it.

Explanation:

Answer:

I believe it's the first option

Answer:

Positive

Explanation:

Protons have a positive charge

Neutrons have no charge

Electrons have a negative charge

There more protons than electrons so the overall charge is positive

From the diagram, circuit a and b are series circuit while c is parallel. Option C

The components in a parallel circuit are linked together so that the electric current can go along several different routes. The power source is directly connected to each component, forming parallel branches. While the current in a parallel circuit can vary, the voltage between each component is constant.

The components of a series circuit are connected one after the other to create a single path for the passage of electricity. While the voltage across each component can change, the current flowing through each component is constant.

Learn more about circuit:https://brainly.com/question/23622384

#SPJ1

Answer:

Hormone production and release are primarily controlled by negative feedback. In negative feedback systems, a stimulus elicits the release of a substance; once the substance reaches a certain level, it sends a signal that stops further release of the substance. In this way, the concentration of hormones in blood is maintained within a narrow range. For example, the anterior pituitary signals the thyroid to release thyroid hormones. Increasing levels of these hormones in the blood then give feedback to the hypothalamus and anterior pituitary to inhibit further signaling to the thyroid gland, as illustrated in Figure 18.14. There are three mechanisms by which endocrine glands are stimulated to synthesize and release hormones: humoral stimuli, hormonal stimuli, and neural stimuli.

Explanation:

Hyperthyroidism is a condition in which the thyroid gland is overactive. Hypothyroidism is a condition in which the thyroid gland is underactive. Which of the conditions are the following two patients most likely to have?

Patient A has symptoms including weight gain, cold sensitivity, low heart rate and fatigue.

Patient B has symptoms including weight loss, profuse sweating, increased heart rate and difficulty sleeping.Humoral Stimuli

The term “humoral” is derived from the term “humor,” which refers to bodily fluids such as blood. A humoral stimulus refers to the control of hormone release in response to changes in extracellular fluids such as blood or the ion concentration in the blood. For example, a rise in blood glucose levels triggers the pancreatic release of insulin. Insulin causes blood glucose levels to drop, which signals the pancreas to stop producing insulin in a negative feedback loop.

Hormonal stimuli refers to the release of a hormone in response to another hormone. A number of endocrine glands release hormones when stimulated by hormones released by other endocrine glands. For example, the hypothalamus produces hormones that stimulate the anterior portion of the pituitary gland. The anterior pituitary in turn releases hormones that regulate hormone production by other endocrine glands. The anterior pituitary releases the thyroid-stimulating hormone, which then stimulates the thyroid gland to produce the hormones T3 and T4. As blood concentrations of T3 and T4 rise, they inhibit both the pituitary and the hypothalamus in a negative feedback loop.

The statement that describes the role of hormones in the body is Enzymes reduce the activation energies of biological reactions.

Hormones are chemicals that are secreted by the two glands, endocrine and exocrine glands.

Endocrine glands secrete hormone directly into the bloodstream, and exocrine glands are secrete hormones into ducts.

The options are attached here:

Thus, the correct option is D.Enzymes reduce the activation energies of biological reactions.

Learn more about hormones

https://brainly.com/question/13020697

#SPJ2

Answer:

The type of coats they have.

Explanation:

There are the ones with thick coats, others with thin coats and ones with medium type of coats.

I hope it helps you! Have a great day!

Layla~

Answer:

Scientific Theory

Explanation:

The statement "the characteristics of living things change over time" refers to the concept of biological evolution, which is widely accepted as a scientific theory in the field of biology. In scientific terms, a theory is a well-substantiated explanation of a natural phenomenon that is supported by extensive evidence, experimentation, and scientific consensus. The theory of evolution, proposed by Charles Darwin and further developed over time, provides a comprehensive explanation for the diversity and change in the characteristics of living organisms. It is supported by a vast body of evidence from various scientific disciplines, including genetics, paleontology, comparative anatomy, and molecular biology.

In contrast, scientific laws describe observable patterns or regularities in nature that are often expressed as mathematical equations or principles. Laws, such as Newton's laws of motion or the laws of thermodynamics, describe specific relationships or behaviors in the physical world.

Therefore, the statement about the characteristics of living things changing over time aligns with the theory of evolution, rather than being described by a scientific law.

Hope this helps!

Evidence from studies of brain lesions and neuroimaging techniques supports the concept of localized functions in specific brain structures during the execution of behavior and mental processes.

For more questions on neuroimaging

https://brainly.com/question/29642909

#SPJ8

Answer:

51 BONES

Explanation:

Hope it can help you lovelots

Tibetan plateau residents have a more stronger type of hemoglobin in their blood, allowing them to make use of the oxygen open at high altitudes. This means they can survive in low-oxygen environments. Andeans have bigger heart parts that enable more blood flow to the lungs to take up oxygen and a gene that aids in the digestion of starches, which are found in their diets.

Answer: The cycle of day and night on Earth is caused by the rotation of the Earth on its axis. As the Earth rotates, different parts of the planet are exposed to the Sun's light, causing daylight in some areas and darkness in others.

The percentage of the children that the couple would have is;

Albino tasters - 50%

Non albino, Non tasters - 50%

We know that the genotype has to do with the arrangement of the genes in the organism. The kind of genes that can be found in the organism would depend on the kind of parents that the organism has since the genes are inherited.

In this case, the kind of children that the couple would have would have a lot to do with the genetic make up of the couple that are married as it] relates to their children.

Learn more about genotype:https://brainly.com/question/12116830

#SPJ1

The direct function of an action potential traveling down a skeletal muscle fiber is to allow for the myosin heads to cycle.

The correct answer is option B.

An action potential is an electrical signal that propagates along the membrane of a muscle fiber, triggering a series of events known as excitation-contraction coupling, which leads to muscle contraction. This process involves the interaction between the action potential, calcium ions, and the proteins within the muscle fiber.

When an action potential reaches the skeletal muscle fiber, it travels along the T-tubules, which are invaginations of the cell membrane that penetrate deep into the muscle fiber. These T-tubules are in close proximity to the sarcoplasmic reticulum (SR), a specialized network of tubules that stores calcium ions.

As the action potential reaches the T-tubules, it causes voltage-gated calcium channels on the SR to open. This allows calcium ions to flow out of the SR and into the muscle fiber's cytoplasm. The sudden increase in calcium concentration triggers the interaction between actin and myosin, the two proteins responsible for muscle contraction.

Calcium binds to the regulatory protein called troponin, which causes tropomyosin (not tropomyosin itself) to undergo a conformational change. This conformational change exposes the binding sites on actin, allowing the myosin heads to bind to actin and form cross-bridges.

Once the myosin heads are bound to actin, they undergo a series of cyclical interactions known as the cross-bridge cycle. This cycle involves the myosin heads pulling on the actin filaments, causing them to slide past each other and resulting in muscle contraction.

In summary, the primary function of an action potential traveling down a skeletal muscle fiber is to initiate the release of calcium ions from the sarcoplasmic reticulum. The presence of calcium allows for the interaction between actin and myosin, enabling the myosin heads to cycle and generate the force necessary for muscle contraction.

For more such information on: skeletal muscle

https://brainly.com/question/12252128

#SPJ8

Answer:

oil

Explanation:

Since oil is a type of fats but in our body we call it lipid

Answer:

radiation is the transfer of heat by E.M radiation through indirect contact ex. the sun is transferring heat while

conduction is the transfer of heat through direct contact ex. eggs cooking on a frying pan

Explanation:

hope this helps!

Answer:

employees tend to return to smoking when the incentive ends

Explanation:

because employees love to smoke on breaks and they are addicted to smoking.

Answer:A is the answer

Explanation:Hope you get it right

Answer:

Explanation:

Wht the budget it is hrd right

Answer:

It turns plain water into hydrogen peroxide, not sure about the bonding procedure.

Explanation:

Answer:

The four unusual properties of water that are in direct result of hydrogen bonding are:

1) high boiling point and freezing point. There hydrogen bond in water makes it very slow to boil and freeze.

2) has the highest surface tension among all the liquid.

3) high heat of vaporization. Has a heat of vaporization of 41 kJ/mol.

4) strong intermolecular forces makes water have low vapor pressure, low viscocity, and highly cohesive.

Answer/Explanation:

The water soluble fertilizer that was added created a hypertonic environment. Concentration of solute is higher around the plant cells thereby leading to the movement of water molecule away from the cells of the rose bush. This is why the rise bush began to wilt as the leaves turn yellow.

Solution:

Give the plants a reasonable amount of water to cause the solution to be isotonic. When the amount of fertilizer and water is relatively balanced, the plants would be able to utilize the fertilizer, feed well and grow well.

Answer:

the example of prokaryotic organism is bacteria

Answer:

Bacteria

Explanation:

Mushrooms and algaes are eucaryotic, but bacteria is a procaryotic organism.