Which group of components is common to the circulatory systems of most living animals?.

Answer:

time ) = 400 seconds

s ( speed ) = 7 km/s

d ( distance ) = unknown

Solution:

d = s × t

 = 7 km/s × 400 s

 = 2800 km

Answer:

Thermal energy is the energy that is contained and a part of heat.

Conduction is when heat or electricity moves through a solid object.  

Radiation is energy that comes from a source and travels through space at the speed of light.

Convection is the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity this causes a heat transfer.

Answer:

Explanation:

The method(s) of heat transfer involved in causing the change in temperature of the two cups are as follows:

Conduction: The heat energy flows from the warmer cup (Cup 2) to the colder cup (Cup 1) through direct contact between them.

Radiation: Both cups receive heat energy from the sun through radiation. The sun emits electromagnetic waves that travel through the air and transfer heat energy to the cups.

Convection: The air around the cups also absorbs heat energy from the cups and transfers it away through convection.

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The example of sensitization from the given alternatives is that 'A dog was hit by his previous owner, and now the dog cowers each time his new owner reaches out to pet him.'

Sensitization refers to the process in which an organism becomes more sensitive to stimuli, both good and bad. It happens when the body's nervous system becomes oversensitized to a particular stimulus that it begins to respond even to weaker or non-threatening stimuli.

The example given in the first option refers to a simple reflex action that occurs in response to the puff of air that is blown into the eyes during the eye examination. The third option is about sensory adaptation, which occurs when sensory receptors are exposed to stimuli for an extended period, resulting in a reduction in sensitivity. The fourth option refers to the fight or flight response that occurs as a result of a threatening stimulus, in which an individual's body prepares to confront or flee from danger.

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Answer:

Inertial confinement fusion

Explanation:

Answer:

B. inertial confinement fusion

Explanation:

Answer:

If all frogs were to die off, a valuable food source will go missing in the food chain of many animals around the world after that the number of animals that eat the frogs will die off, then the animals that eat them will go hungry, and their populations will be devastated as well.

Answer:Digestive and muscular systems would be working together to chew food and work it down to the stomach to be digested. The digestive system and circulatory circulatory system would be working together to break food down and move nutrients to cells. The nervous system decides what to eat and when to chew.

Explanation:

Answer: Solar-powered batteries ran out of energy

Explanation: Mission controllers at the agency's Jet Propulsion Laboratory (JPL) in Southern California were unable to contact the lander after two consecutive attempts, leading them to conclude the spacecraft's solar-powered batteries have run out of energy – a state engineers refer to as “dead bus.”

https://www.nasa.gov/press-release/nasa-retires-insight-mars-lander-mission-after-years-of-science

Answer:

Claire's diagnosis may show the absence or a very small amount of proteolytic enzymes in her small intestine.

Explanation:

Claire's diagnosis may explain the slow digestion of proteins due to the absence or decrease of proteolytic enzymes in the small intestine. That's because these enzymes must be present in the small intestine in amounts suitable for the protein digestion process to be rapid, as a digestion process, through enzymes must be. This is because enzymes are responsible for speeding up the metabolic processes, if there is a lack of enzymes, the metabolic processes become slower.

The presence of low concentration or absence of proteolytic enzymes causes low digestion in the small intestine.

The absence or low concentration of proteolytic enzymes in the small intestine is responsible for the slow digestion. Proteolytic enzymes also known as protease are enzymes that is responsible for the break down of protein so that's the reason that 1 mL of liquid from Claire's small intestine  digested protein slowly as compared to the presence of protease which can digest protein.

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Answer:

Dietary fiber, also known as roughage or bulk, is a type of carbohydrate that the body cannot digest. It is found in plant-based foods such as fruits, vegetables, legumes, nuts, and grains. Dietary fiber is important for digestive health, as it helps to keep the digestive system functioning properly. It also helps to reduce cholesterol levels, control blood sugar levels, and promote regular bowel movements. Examples of foods that are high in dietary fiber include apples, beans, broccoli, oats, and sweet potatoes.

Answer:

Dietary fibre is an essential component of a healthy diet. It could be easily traced in cereals, certain fruits and also vegetables. It is a kind of carbohydrate that has indigestible parts or plant compounds which pass relatively unchanged through the stomach and also the intestines.

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Auxin is plant hormone which is synthesized at the tip of the shoot. It helps the cell grow longer.

When a tendril comes in contact with a support, auxin stimulates faster growth of the cells on the opposite side that's why the tendril forms a coil around the support.When an organism turns all or part of it in response of an external stimulus towards certain direction it's called "tropism";

thus phototropism describes the organism's growth towards sunlight or light in general, and geotropism is described when the growth direction is related to the force of gravity (or towards the earth's center).

Therefore, Auxin is plant hormone which is synthesized at the tip of the shoot. It helps the cell grow longer.

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The characteristic that is not shared by both methanogens and bacteria is: some methanogens have cell walls composed of peptidoglycan. The correct option is (c).

While bacteria generally have cell walls made up of peptidoglycan, methanogens have unique cell walls that are composed of pseudomurein, a type of molecule similar to peptidoglycan but with distinct differences in structure and composition.

This unique cell wall composition is one of the features that distinguishes methanogens from other microorganisms.

Option (a) is true as some methanogens possess flagella for locomotion, similar to bacteria. Option (b) is also true as some methanogens can form chains of large cells similar to filamentous cyanobacteria. Option (d) is also true as methanogens demonstrate diverse cell shapes such as cocci, rods, and spirals that are typically seen in bacteria.

Therefore, the correct answer is (c) some methanogens have cell walls composed of peptidoglycan.

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One cell, which performs all of the processes required by the organism, makes up a unicellular organism.

The correct option is (a) performs all of the function

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A few variables impact block (R) in the bloodstream. The main part is the vessel sweep (r), to such an extent that R α 1/r4; in this manner when the span is divided, the block increments by a variable of 16.

Presently, how much bloodstream from one finish of a vein to one more is impacted by the circulatory strain, and by the obstruction, which comes from the actual vessels. Vasoconstriction, where the vessels contract, diminishes blood stream, and vasodilation, where the veins extend, increments the bloodstream.

The general volumes of supply routes and veins, considered as rates of complete blood volume, comprise a sum of around 72% (10). Supply routes comprise 12% and veins 60% of the complete vascular limit. (Somewhere else venous volume is said to comprise 70% (14).

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the correct options are:
- Dendritic cell trafficking would be impaired.
- T cells would not be able to enter lymph nodes.

If mice deficient in lymphotoxin-beta (LTb-/-) have no high endothelial venules (HEV) and are immunized via the footpad with a virus, the following outcomes would be expected:
- Dendritic cell trafficking would be impaired: High endothelial venules (HEV) play a crucial role in facilitating the entry of dendritic cells into lymph nodes. In the absence of HEV, dendritic cell trafficking would be impaired.
- No activation of neutrophils: Neutrophils are not primarily dependent on HEV for their activation or recruitment to lymph nodes. Therefore, their activation would not be affected in LTb-/- mice lacking HEV.
- T cells would not be able to enter lymph nodes: HEV provide the specialized entry points for T cells to migrate from the bloodstream into lymph nodes. In the absence of HEV, T cells would be unable to enter the lymph nodes, impairing the immune response.
- B cells would exit through the afferent lymphatics: Without HEV, B cells may not efficiently enter lymph nodes. However, B cells can exit lymph nodes through the afferent lymphatics, bypassing the need for HEV.



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Answer:

Roots. Roots are simple tissues that are derived from the stem of the plant.

Xylem. The xylem is tissue that transports water throughout the plant.

Phloem. The phloem is the plant's food transportation system.

:)

Three major characteristics of vascular plants are, roots are simple tissues that are derived from the stem of the plant, Xylem is the tissue that transports water throughout the plant, and phloem is the plant's food transportation system.

The vascular plants are also called tracheophytes. These are all land plants that have special lignified tissues that conduct water and minerals.

The major characteristics of vascular plants are specialized tissues for consuming minerals and water.

Thus, the stem of the plant derived roots, are basic tissues that carry nutrients throughout the plant. Xylem is the tissue that carries water throughout the plant. Phloem is the tissue that carries water throughout the plant.

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An organic disorder whose symptoms tend to develop gradually and worsen over time is dementia.That is option D.

An organic disorder is a mental disturbance that can affect the brain cells as well as causes hormonal abnormalities.

Examples of organic disorders are:

Dementia is an organic disorder that causes an impaired ability to remember, think, or make decisions that interferes with doing everyday activities. This is a long term organic disorder unlike delirium which is short term.

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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:

Mid Atlantic Ridge theory

Explanation:

I learned about this a last term.

Answer:

It is Continental Drift Teory (pretty much it is too late for me to answer)

Explanation:

I found this on microsoft and on quizllet. It is acutually correct! Hope this helps to anyone that is viewing this!!

It destroys harmful substances or worn-out cell parts is a cell organelle lysosome. it is present in the eukaryotic cell and helps the cell protect itself from the virus or other harmful molecules.

The lysosome that is present in the cell has maintained an acidic environment because of the active transport of hydrogen from the cytoplasm to the lysosome. Due to its acidic nature, it can degrade the harmful pathogens in the cells and also degrade worn out cells, such as old mitochondria, and in this way, the lysosome protects the cell.

Hence, lysosomes destroy harmful substances or worn-out cell parts.

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Mitochondrial genes are solely passed down from the mother, as opposed to nuclear genes, that are acquired from both parents. Males will not carry that on, but females will carry it on to all of their offspring, and so on, if there is a variation in such a mitochondrial gene, it is carried from a mother to all of the offspring.

Mitochondrial genes- The circular chromosome known as mitochondrial DNA may be discovered within the cellular organelles known as mitochondria. The mitochondria, which are found in the cytoplasm, are where the cell produces energy and performs other metabolic tasks. Children receive mitochondria from their mother, and as a result, mitochondrial DNA.

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Answer:

the endpoint not pH scale is 14

The measure of how much water can be stored in geological materials is referred to as porosity. The correct option is C.

A geological material is a natural material extracted from the Earth in the form of rock or sediment, such as rocks, clays, sands, limestone, and other industrial minerals.

The percentage of void space in a rock is defined as porosity. It is defined as the ratio of the void or pore space volume to the total volume.

Thus, the correct option is C.

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Excessive secretion by the parathyroid glands causes the bones to become brittle.

The parathyroid glands, located near the thyroid gland in the neck, are responsible for producing and secreting parathyroid hormone (PTH). PTH plays a critical role in regulating calcium and phosphate levels in the body.

When there is an overproduction of PTH, a condition called hyperparathyroidism, it can lead to excessive resorption of calcium from the bones, resulting in decreased bone density and increased risk of fractures.

This process weakens the bones and makes them more susceptible to brittleness and breakage.

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Answer:

Pollution

Explanation:

If the human population surpasses Earth's global capacity, there will be degradation of land, air, and water with increased pollution.